JP2022065275A - Power transaction system, power transaction method and power transaction program - Google Patents

Abstract

To provide a power transaction system, a power transaction method and a power transaction program capable of improving accuracy of power supply and demand balance in P2P transaction where a power supply is specified.SOLUTION: A power transaction system 10 that supports power transaction between a power purchaser who wants to purchase power and a power seller who wants to sell power, comprises: power generation bid group registration means 111 for registering a power generation bid group composed of one or more power generation points under the jurisdiction of a seller in a bid database 23a; power generation bid group search means 112 for searching for a power generation bid group registered in the bid database 23a; and power generation bid information transmission means 113 for transmitting the search result by the power generation bid group search means 112 to a power purchaser terminal BT of the power purchaser.SELECTED DRAWING: Figure 1

Description

The present invention relates to an electric power trading system, an electric power trading method, and an electric power trading program that support electric power trading between a power purchaser who wants to purchase electric power and a power seller who wants to sell electric power.

From April 1, 2016, the entry into the electricity retail business was completely liberalized, and electric power, which was previously only able to contract with the electric power company (former general electric power company) decided in the region, has newly entered. It is now possible to freely select and contract an electric power company, including new electric power.

Therefore, there is known an electric power trading system in which an electric power purchaser can purchase electric power from an optimal electric power seller in order to reduce the electric power procurement cost (for example, Non-Patent Document 1).

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The above-mentioned electric power trading system is a system used by electric power buyers, and cannot be used by electric power sellers who want to sell electricity at the highest possible price.
In recent years, due to heightened environmental awareness, there has been an increasing demand for RE100 (100% of the energy required for business operations is covered by renewable energy), but in the above-mentioned power trading system, power buyers sell power. Even if I could select the person, I could not identify the power source.
Therefore, in the conventional electric power trading system, it is not possible to realize electric power trading with a high degree of freedom for electric power traders such as electric power buyers and electric power sellers, and there is room for further improvement.

Therefore, the present invention solves the problems of the prior art as described above, that is, the object of the present invention is an electric power trading system and an electric power trading method that realizes electric power trading with a high degree of freedom for electric power traders. And to provide an electricity trading program.

The invention according to claim 1 is an electric power trading system that supports an electric power transaction between a power purchaser who wants to purchase electric power and a power seller who wants to sell electric power, and is under the jurisdiction of the electric power seller. A power generation bid group registration means for registering a power generation bid group composed of one or more power generation points in a bid database, a power generation bid group search means for searching the power generation bid group registered in the bid database, and the power generation bid. The above-mentioned problem is solved by providing the power generation bid information transmission means for transmitting the search result by the group search means to the power purchaser terminal of the power purchaser.

The invention according to claim 2 is, in addition to the configuration of the electric power trading system according to claim 1, a power sale bidding plan of the power generation bidding group during the power sale period input from the power seller terminal of the power seller. The power generation bid information transmission means transmits the power sale bid plan to the power purchaser terminal of the power purchaser as a search result by the power generation bid group search means. This further solves the above-mentioned problems.

The invention according to claim 3 has the above-mentioned problem because, in addition to the configuration of the electric power trading system according to claim 2, the electric power sale bidding plan includes information for specifying the electric power source of the power generation bidding group. Is a further solution.

In the invention according to claim 4, in addition to the configuration of the electric power trading system according to claim 2 or 3, the information of the electric power selling bid of the electric power buyer for the electric power selling bidding plan of the electric power seller is used. A means of transmitting power-selling bid information to be transmitted to the power-selling terminal,
The above-mentioned problem is further solved by further providing a power purchase contract registration means for contracting and registering one power selling bid selected based on the operation of the power seller in the bidding database.

The invention according to claim 5 is an electric power trading system that supports an electric power transaction between a power purchaser who wants to purchase electric power and a power seller who wants to sell electric power, and is under the jurisdiction of the electric power purchaser. A demand bid group registration means for registering a demand bid group composed of one or more supply points in a bid database, a demand bid group search means for searching the demand bid group registered in the bid database, and the demand bid. The above-mentioned problem is solved by providing the demand bid information transmission means for transmitting the search result by the group search means to the power seller terminal of the power seller.

In the invention according to claim 6, in addition to the configuration of the electric power trading system according to claim 5, the electric power purchase bid plan of the demand bidding group during the electric power purchase period input from the electric power purchaser terminal of the electric power purchaser. Further provided with a means for creating a power purchase bid plan, the demand bid information transmitting means transmits the power purchase bid plan to the power seller terminal of the power seller as a search result by the demand bid group search means. This further solves the above-mentioned problems.

The invention according to claim 7 is, in addition to the configuration of the electric power trading system according to claim 5, an electric power actual consumption acquisition means for acquiring the actual electric power consumption of the supply point up to a predetermined time, and the supply point. Further provided with a power demand forecast amount calculation means for calculating the power demand forecast amount for each unit time of the supply point after a predetermined time based on the power actual consumption amount, the power purchase bid plan is the demand bid group. The above-mentioned problem is further solved by including the demand bidding group power demand forecast amount which is the sum of the power consumption forecast amount for each unit time of each of the supply points constituting the above.

In the invention according to claim 8, in addition to the configuration of the electric power trading system according to claim 6 or 7, the information of the electric power purchase bid of the electric power seller for the electric power purchase bidding plan is used by the electric power purchaser. Further, it is provided with a power purchase bid information transmission means displayed on the power purchaser terminal and a power sale contract registration means for registering one power purchase bid selected based on the operation of the power purchaser in the bid database. This further solves the above-mentioned problems.

The invention according to claim 9 is a power trading system including a power generation bid group setting means, a power generation bid group search means, and a power generation bid display means. A step of registering a power generation bidding group consisting of one or more power generation points under the jurisdiction of the power seller in the power generation bidding group, which is a power generation trading method for supporting a power generation transaction with a person. And, the step of the power generation bid group search means to search the power generation bid group registered in the bid database, and the step of the power generation bid display means to search the search result by the search step are the power purchaser of the power purchaser. By providing a step of transmitting to the terminal, the above-mentioned problem is solved.

The invention according to claim 10 is an electric power trading system including a demand bid group setting means, a demand bid group search means, and a demand bid display means. A step of registering a demand bidding group consisting of one or more supply points under the jurisdiction of the power purchaser in the bidding database, which is a power trading method for supporting power trading with a person. And the step that the demand bid group search means searches for the demand bid group registered in the bid database, and the demand bid display means uses the search result by the demand bid group search means to sell the power of the power seller. By providing a step of transmitting to the user terminal, the above-mentioned problem is solved.

The invention according to claim 11 is an electric power trading program that supports an electric power transaction between a power purchaser who wants to purchase electric power and a power seller who wants to sell electric power, and is claimed 9 or 10. By executing each step of the electric power trading method described in the above by the processing apparatus, the above-mentioned problems are solved.

Here, the "power purchaser" in the present invention is a person who has jurisdiction over one or more electricity supply points specified by the supply point identification number, and is assigned a supply point identification number (electricity). (Consumers, etc. who are the main contractors of various contracts) and those who are not assigned a supply point specific number (a retail electricity company that supplies electricity to consumers, an agent (agency for the conclusion of retail supply contracts) Person), etc.).
Further, the "power seller" in the present invention is a person who has jurisdiction over one or more power generation points of electricity specified by the power receiving point identification number, and possesses a power generation facility in which the power receiving point identification number is set. (Power generation companies under the Electricity Business Law such as electric power companies and gas companies, power generation equipment owners who own power generation equipment and wish to sell the power generated by the power generation equipment), and the power receiving point identification number Those who do not own the set power generation equipment but have concluded a contract (power generation adjustment supply contract) with the power transmission and distribution company that is responsible for power generation adjustment (power generation adjustment supply contract) (retail electric power company, it is effective to bundle the power demand of consumers It means an aggregator, etc. that provides energy management services to.
Further, the "jurisdiction" in the present invention includes not only the meaning of "ownership" but also the meaning of "management by contract".

According to the power generation trading system of the invention according to claim 1, a power generation bid group registration means for registering a power generation bid group composed of one or more power generation points under the jurisdiction of the seller in the bid database and registration in this bid database. By providing a power generation bid group search means for searching a power generation bid group and a power generation bid information transmission means for transmitting the search result by the power generation bid group search means to the power purchaser terminal of the power purchaser. Since the power purchaser can freely select the power generation bid group that has jurisdiction over a specific power generation point and can procure power from the power generation bid group selected by the power purchaser himself, the power purchaser offers the cheapest selling price. It is possible to realize power generation with a high degree of freedom for the purchaser, such as procuring power from a group.

According to the power generation trading system of the invention according to claim 2, in addition to the effect of the power trading system of the invention according to claim 1, a power generation bidding group during the power sale period input from the power seller terminal of the power seller. The power generation bid information transmission means transmits the power sale bid plan to the power purchaser terminal of the power purchaser as a search result by the power generation bid group search means. As a result, the power purchaser can select the power generation bid group after carefully examining the power generation bid group based on the power sale bid plan, so that the matching accuracy between the power purchaser and the power seller can be improved.

According to the electric power trading system of the invention according to claim 3, in addition to the effect of the electric power trading system of the invention according to claim 2, the electric power sale bidding plan includes information specifying the electric power source of the power generation bidding group. This allows the power purchaser to select a power generation bidding group that has jurisdiction over a specific power source, so that the power purchaser can easily realize power procurement such that the energy required for business operation is 100% renewable energy. be able to.

According to the electric power trading system of the invention according to claim 4, in addition to the effect of the electric power trading system of the invention according to claim 2 or 3, in addition to the information of the electric power selling bid of the power purchaser for the electric power selling bidding plan. It is further equipped with a power selling bid information transmitting means for transmitting to the power selling terminal of the power seller and a power buying contract registration means for contracting and registering one power selling bid selected based on the operation of the power seller in the bid database. As a result, the power purchaser can select the power seller to purchase the power after confirming the bid conditions, so that the matching accuracy between the power purchaser and the power seller can be further improved.

According to the electric power trading system of the invention according to claim 5, a demand bidding group registration means for registering a demand bidding group composed of one or more supply points under the jurisdiction of the purchaser in the bidding database and registration in the bidding database. By providing a demand bid group search means for searching a demand bid group and a demand bid information transmission means for transmitting the search result by the demand bid group search means to the power seller terminal of the power seller. Since the power seller can freely select the demand bid group that has jurisdiction over a specific supply point and can purchase electricity from the demand bid group selected by the power seller himself, the power seller offers the highest bid price. It is possible to realize power procurement with a high degree of freedom for the seller, such as procuring a group.

According to the power trading system of the invention according to claim 6, in addition to the effect of the power trading system of the invention according to claim 5, the demand bidding group in the power purchase period input from the power purchaser terminal of the power purchaser. The power purchase bid plan creation means for creating the power purchase bid plan is further provided, and the demand bid information transmission means transmits the power purchase bid plan to the power seller terminal of the power seller as a search result by the demand bid group search means. As a result, the power seller can select the demand bid group after carefully examining the demand bid group based on the power purchase bid plan, so that the matching accuracy between the power purchaser and the power seller can be improved.

According to the electric power trading system of the invention according to claim 7, in addition to the effect of the electric power trading system of the invention according to claim 6, the actual electric power consumption for acquiring the actual electric power consumption at the supply point up to a predetermined time is acquired. Further equipped with a means and a power demand forecast amount calculation means for calculating the power demand forecast amount for each unit time of the supply point after a predetermined time based on the actual power consumption amount of the supply point, the power purchase bid plan is a demand bid. By including the demand bid group power demand forecast amount, which is the sum of the unit time power consumption forecasts of each supply point that constitutes the group, the power consumption forecast amount of each supply point belonging to the demand bid group is totaled. Since the predicted amount of electric power demand of the demand bid group is transmitted by the demand bid information transmission means, the electric power seller can confirm the magnitude of the time change of the electric power consumption of the electric power purchaser and realize the electric power sale.

According to the power trading system of the invention according to claim 8, in addition to the effect of the power trading system of the invention according to claim 6 or 7, the power purchase bid information of the power seller for the power purchase bid plan is purchased. It is further equipped with a means for transmitting power purchase bid information displayed on the power purchaser terminal of the electric power person and a means for registering a power sale contract for contract registration of one power purchase bid selected based on the operation of the power purchaser in the bid database. As a result, the power purchaser can select the power seller who purchases the power after confirming the bid conditions, so that the matching accuracy between the power purchaser and the power seller can be further improved.

According to the power generation trading method of the invention according to claim 9, the power generation bid group setting means registers a power generation bid group composed of one or more power generation points under the jurisdiction of the power seller in the bid database, and the power generation bid group. The search means includes a step of searching for a power generation bid group registered in the bid database, and a step of the power generation bid display means sending the search result by the power generation bid group search means to the power purchaser terminal of the power purchaser. As a result, the power purchaser can freely select the power generation bidding group that has jurisdiction over a specific power generation point, and can procure power from the power generation bidding group selected by the power purchaser himself. It is possible to realize power generation with a high degree of freedom for the purchaser, such as procuring power from the presented power generation bidding group.

According to the electric power trading method of the invention according to claim 10, the demand bidding group setting means registers a demand bidding group composed of one or more supply points under the jurisdiction of the purchaser in the bidding database, and the demand bidding group. The search means includes a step of searching for a demand bid group registered in the bid database, and a step of the demand bid display means sending the search result by the demand bid group search means to the seller terminal of the seller. As a result, the power seller can freely select the demand bidding group that has jurisdiction over a specific supply point, and the power seller can purchase power from the demand bidding group selected by the power seller himself, so that the power seller presents the highest bid price. It is possible to realize power procurement with a high degree of freedom for the power seller, such as procuring a demand bidding group.

According to the power trading program of the invention according to claim 11, the power purchaser has jurisdiction over a specific power generation point by executing each step of the power trading method according to claim 9 or 10 by the processing device. Since the power generation bidding group can be freely selected and the power can be procured from the power generation bidding group selected by the power purchaser himself, the power purchaser can procure the power from the power generation bidding group that offers the cheapest selling price. It is possible to realize electricity procurement with a high degree of freedom for the person.
Alternatively, the power seller offers the highest bid price because the power seller can freely select the demand bidding group that has jurisdiction over a specific supply point and can purchase power from the demand bidding group selected by the power seller himself. It is possible to realize power procurement with a high degree of freedom for the power seller, such as procuring a demand bidding group.

FIG. 3 is a network configuration diagram to which an electric power trading system according to an embodiment of the present invention is connected. The system configuration diagram of the electric power trading system shown in FIG. The device configuration diagram of the processing device. The flowchart which shows the prediction procedure of the electric power demand amount of a supply point by the electric power trading system which is an embodiment of this invention. The flowchart which shows the prediction procedure of the power generation amount of the power generation point by the power transaction system which is an Example of this invention. The flowchart which shows the electric power purchase procedure by the electric power purchaser using the electric power transaction system which is an embodiment of this invention. The flowchart which shows the registration procedure of the power generation bidding group by the electric power trading system which is an embodiment of this invention. The figure which shows an example of the power generation bidding group setting screen displayed on the power seller terminal when registering a power generation bidding group. The figure which shows an example of the power generation bid group setting screen displayed on the power seller terminal at the time of registration of a power generation bid group. The flowchart which shows the search procedure of the power generation bidding group by the electric power trading system which is an embodiment of this invention. The figure which shows an example of the power generation bid group search screen displayed on the power seller terminal when searching the power generation bid group. The flowchart which shows the contract procedure by the electric power trading system which is an Example of this invention. The figure which shows an example of the power sale bid display screen displayed on the power seller terminal when searching the power generation bid group. The flowchart which shows the electric power sales procedure by the electric power seller using the electric power transaction system which is an embodiment of this invention. The flowchart which shows the registration procedure of the demand bidding group by the electric power transaction system which is an Example of this invention. The figure which shows an example of the demand bid group setting screen displayed on the power purchaser terminal when registering a demand bid group. The figure which shows an example of the demand bid group setting screen displayed on the power purchaser terminal when registering a demand bid group. The flowchart which shows the search procedure of the demand bidding group by the electric power transaction system which is an embodiment of this invention. The figure which shows an example of the demand bid group search screen displayed on a power purchaser terminal when searching for a demand bid group. The flowchart which shows the contract procedure by the electric power trading system which is an Example of this invention. The figure which shows an example of the power purchase bid display screen displayed on the power purchaser terminal when searching the demand bid group.

The power generation trading system of the present invention is a power generation bid group registration means for registering a power generation bid group composed of one or more power generation points under the jurisdiction of a power seller in a bid database, and a power generation bid group registered in this bid database. By providing a power generation bid group search means for searching for power generation bid information and a power generation bid information transmission means for transmitting the search result by this power generation bid group search means to the power purchaser terminal of the power purchaser, the power generation bidder can also search for. A demand bid group registration means for registering a demand bid group consisting of one or more supply points under the jurisdiction in the bid database, a demand bid group search means for searching the demand bid group registered in this bid database, and this demand. If it is provided with a demand bid information transmission means for transmitting the search result by the bid group search means to the power seller terminal of the power seller, the power transaction with a high degree of freedom for the power trader can be realized. The specific embodiment may be any.

Further, in the power generation trading method of the present invention, the power generation bid group setting means registers a power generation bid group composed of one or more power generation points under the jurisdiction of the seller in the bid database, and the power generation bid group search means bids. By providing a step of searching for a power generation bid group registered in the database and a step of transmitting the search result by the power generation bid group search means to the power purchaser terminal of the power purchaser, the power generation bid display means is provided. In addition, the demand bid group setting means registers a demand bid group consisting of one or more supply points under the jurisdiction of the power purchaser in the bid database, and the demand bid group search means registers the demand bid in the bid database. By providing a step of searching for a group and a step of transmitting the search result by the demand bid group search means to the power seller terminal of the power seller, the power generation with a high degree of freedom for the power trader is provided. Any specific embodiment may be used as long as it realizes the transaction.

Further, in the power generation trading program of the present invention, the power generation bid group setting means registers a power generation bid group composed of one or more power generation points under the jurisdiction of the seller in the bid database, and the power generation bid group search means bids. The processing device executes a step of searching for a power generation bid group registered in the database and a step of transmitting the search result by the power generation bid group search means to the power purchaser terminal of the power purchaser. Also, the demand bid group setting means registers the demand bid group consisting of one or more supply points under the jurisdiction of the power purchaser in the bid database, and the demand bid group search means is registered in the bid database. The processing device executes a step of searching for a demand bid group and a step of transmitting the search result by the demand bid group search means to the power seller terminal of the power seller, so that the power trader is free to do so. Any specific embodiment may be used as long as it realizes a high degree of power generation.

For example, the power purchaser terminal and the power seller terminal may be any mobile phone, smartphone, tablet, personal computer, or the like as long as they have a communication function.

Hereinafter, an electric power trading system, an electric power trading method, and an electric power trading program, which are examples of the present invention, will be described with reference to FIGS. 1 to 18.

<1. Overview of the network to which the power trading system is connected>
First, an outline of a network to which the electric power trading system 10 according to the embodiment of the present invention is connected will be described with reference to FIG.
FIG. 1 is a network configuration diagram to which an electric power trading system according to an embodiment of the present invention is connected.

As shown in FIG. 1, the electric power trading system 10 according to the embodiment of the present invention is connected to the network NW.
The network NW may be, for example, the Internet, an intranet that can be accessed only by a specific user, or a network in which these are combined.

The network NW includes the meteorological database DB referred to by the electric power trading system 10 and the electric power trading in the wholesale electric power trading market operated by other electric power trading system ES (specifically, JEPX (Japan Electric Power Exchange). System) etc. are connected.
In addition, a power transmission and distribution business operator that maintains a balance of power demand is also connected to this network NW.
A transmission and distribution business operator is a business operator that lays and maintains a transmission and distribution network and monitors the usage status of the transmission and distribution network (transmission and distribution destination, transmission and distribution amount, etc.).

Further, a power purchaser terminal BT owned by a power purchaser who wants to purchase electric power and a power seller terminal ST owned by a power seller who wants to sell electric power are also connected to this network NW.

The consumer has one or more electricity supply points specified by the supply point identification number, is the contracting entity of various electric power contracts, and has a power purchaser terminal BT.
At each of the customer's supply points, a forward flow meter FSM that digitally measures electric power and is connected to the network NW is installed.
This forward power flow meter FSM grasps the amount of electric power used in each predetermined cycle and transmits it to a power transmission and distribution business operator via a network NW, and includes, for example, a forward power flow smart meter.
The cycle in which the forward tide meter FSM grasps the amount of electric power used is, for example, a demand control cycle (a 30-minute cycle is common in Japan), but the cycle is not particularly limited.
Further, each supply point may be equipped with a power management system including a HEMS integrated with or separately from the forward flow measuring meter FSM.

The power generation company has one or more power generation points of electricity specified by the power receiving point identification number, and has a power seller terminal ST.
This power generation company owns power generation facilities (generators installed in thermal power plants, wind power plants, nuclear power plants, solar power plants, etc.) and controls and monitors each power generation facility. Is a person.
At each of the power generation points of the power generation company, a reverse power flow meter RSM connected to the network NW is installed while digitally measuring the electric power.
This reverse power flow measuring meter RSM grasps the amount of power generation for each predetermined cycle and transmits it to the power transmission and distribution business operator via the network NW, and includes, for example, a reverse power flow smart meter and the like.
The cycle in which the reverse power flow meter RSM grasps the amount of power generation or the like is, for example, a demand control cycle, but the cycle is not particularly limited.

In addition, this network NW is engaged in the business of retail electric power companies that supply electricity to consumers, aggregators that bundle the electricity demand of consumers and effectively provide energy management services, and mediation of the conclusion of retail supply contracts. An agent is connected.
A retail electric power company possesses at least one of a power purchaser terminal BT and a power seller terminal ST because it can be a power purchaser who wants to purchase electric power or a power seller who wants to sell electric power. ing.
Since the aggregator corresponds to a power seller who wants to sell electric power, he / she has a power seller terminal ST.
The agent has a power purchaser terminal BT because it corresponds to a power purchaser who wants to purchase electric power.

<2. Overview of electricity trading system>
Next, an outline of the electric power trading system 10 will be described with reference to FIGS. 1 to 3.
FIG. 2 is a system configuration diagram of the electric power trading system shown in FIG. 1, and FIG. 3 is a device configuration diagram of a processing device.

As shown in FIGS. 1 and 2, the electric power trading system 10 is a long-term bilateral trading subsystem 100 that supports electric power trading between a power purchaser who wants to purchase electric power and a power seller who wants to sell electric power. The short-term supply-demand adjustment system 200 that adjusts the power supply-supply balance between supply points on the day before the power supply date and the day of the power supply date to minimize the imbalance amount in the planned value simultaneous equal amount system, and the long-term bilateral trading subsystem 100. And a common subsystem 300 that carries out processing common to the short-term supply and demand adjustment system 200.

<2.1. Long-term bilateral trading subsystem ＞
As shown in FIGS. 1 and 2, the long-term bilateral transaction subsystem 100 includes a power purchase transaction component 110 for conducting a power transaction mainly by a power purchaser and a power sale transaction component for conducting a power transaction mainly by a power seller. It has 120 and.

As shown in FIG. 2, the power purchase transaction component 110 includes a power generation bid group registration means 111, a power generation bid group search means 112, a power generation bid information transmission means 113, a power sale bid plan creation means 114, and a power sale bid. It has an information transmission means 115 and a power purchase contract registration means 116.

The power generation bidding group registration means 111 registers a power generation bidding group (for example, GA1 shown in FIG. 1) composed of one or more power generation points under the jurisdiction of the seller in the bidding database 23a (see FIG. 3) described later.
The power generation bidding group search means 112 searches for a power generation bidding group registered in the bidding database 23a.
The power generation bid information transmission means 113 transmits the power sale bid plan to the power purchaser terminal BT of the power purchaser as a search result by the power generation bid group search means 112.
The power selling bid plan creating means 114 creates a power selling bid plan for the power generation bidding group during the power selling period input from the power selling terminal ST of the power seller.
The power selling bid information transmitting means 115 transmits the information of the power selling bid of the power purchaser to the power selling bid plan by the power seller to the power seller terminal ST of the power seller.
The power purchase contract registration means 116 contracts and registers one power sale bid selected based on the operation of the power seller in the bid database 23a.

As shown in FIG. 2, the power sale transaction component 120 includes a demand bid group registration means 121, a demand bid group search means 122, a demand bid information transmission means 123, a power purchase bid plan creation means 124, and a power purchase bid. It has an information transmitting means 125 and a power selling contract registration means 126.

The demand bidding group registration means 121 registers a demand bidding group (for example, GX1 shown in FIG. 1) composed of one or more supply points under the jurisdiction of the power purchaser in the bidding database 23a.
The demand bid group search means 122 searches for a demand bid group registered in the bid database 23a.
The demand bid information transmission means 123 transmits the power purchase bid plan to the power seller terminal ST of the power seller as a search result by the demand bid group search means 122.
The power purchase bid plan creation means 124 creates a power purchase bid plan for the demand bidding group during the power purchase period input from the power purchaser terminal BT of the power purchaser.
The power purchase bid information transmitting means 125 transmits the information of the power purchase bid of the power seller to the power purchase bid plan by the power purchaser to the power purchaser terminal BT of the power purchaser.
The power sale contract registration means 126 contracts and registers one power purchase bid selected based on the operation of the power purchaser in the bid database 23a.

<2.2. Common subsystem>
As shown in FIG. 2, the common subsystem 300 includes at least an actual power consumption amount acquisition unit 310, a power demand forecast amount calculation unit 320, a power generation amount acquisition unit 330, and a power generation forecast amount calculation unit 340. ..

The actual power consumption acquisition means 310 acquires the actual power consumption at a predetermined supply point up to a predetermined time.
The electric power demand forecast amount calculating means 320 calculates the electric power demand forecast amount of the supply point after a predetermined time based on the electric power actual consumption amount of the supply point acquired by the electric power actual consumption amount acquisition means 310.
The power generation amount acquisition means 330 acquires the power generation amount at a predetermined power generation point up to a predetermined time.
The power generation prediction amount calculation means 340 calculates the power generation prediction amount of the power generation point after a predetermined time based on the power generation amount of the power generation point acquired by the power generation amount acquisition means 330.

<2.3. Processing equipment>
The electric power trading system 10 configured as described above is composed of at least one processing device 20.
The processing device 20 has a communication unit 21 connected to the network NW, an input / output unit 22 such as a man-machine interface that inputs information from the outside or outputs information to the outside, and a communication unit 21 from the network NW. It is input from the storage unit 23 that stores the acquired data, the input from the input / output unit 22, the power trading program, etc., and the data and the input / output unit 22 obtained from the network NW by the power trading program stored in the storage unit 23. It is provided with a processing unit 24 for processing the information and the like.
The storage unit 23 has a bidding database 23a for storing the progress of electric power transactions between the power purchaser and the power seller.
The processing device 20 configured in this way constitutes each component and each means of each subsystem of the electric power trading system 10.

<3. Electricity trading method>
Next, a power trading method by the power trading program stored in the power trading system 10 shown in FIGS. 1 and 2 and the processing device 20 shown in FIG. 3 will be described with reference to FIGS. 4A to 18.

<3.1. Acquisition of actual power consumption and power generation, and forecast of power demand and power generation>
First, based on FIGS. 4A and 4B, acquisition of actual power consumption at a supply point by the common subsystem 300 of the power trading system 10 and prediction of power demand, and power generation by the common subsystem 300 of the power trading system 10 The acquisition of the power generation amount at the point and the prediction of the power generation amount will be explained.
FIG. 4A is a flowchart showing a procedure for predicting the amount of power demand at a supply point by the power trading system according to the embodiment of the present invention, and FIG. 4B shows the prediction of the amount of power generated at the power generation point by the power trading system according to the embodiment of the present invention. It is a flowchart which shows the procedure.

<3.1.1. Acquisition of actual power consumption at supply points and calculation of power demand forecast>
First, the acquisition of the actual power consumption at the supply point and the calculation of the power demand forecast amount will be described with reference to FIG. 4A.

The acquisition of the actual power consumption at the supply point by the power trading system 10 is performed by the actual power consumption acquisition means 310 of the common subsystem 300.
The prediction of the electric power demand amount at the supply point (calculation of the electric power demand forecast amount) by the electric power trading system 10 is performed by the electric power demand forecast amount calculation means 320 of the common subsystem 300.

It should be noted that the acquisition of the actual power consumption by the actual power consumption acquisition means 310 and the prediction of the power demand amount by the power demand forecast amount calculation means 320 may be performed at any timing.
Further, the supply points from which the actual power consumption acquisition means 310 acquires the actual power consumption may be all supply points or some supply points.
Similarly, the supply points for which the electric power demand forecast amount calculation means 320 predicts the electric power demand amount may be all supply points or some supply points.

The actual power consumption acquisition means 310 of the power trading system 10 has a power consumption amount every 30 minutes at a predetermined (for example, all) supply points for the past minutes (for example, for the past one year from a predetermined start time) [ kWh] is acquired from the forward power flow meter FSM provided at each supply point via the power transmission and distribution business operator (step S10).
In the case of the first year when the forward power flow measuring meter FSM is installed, the actual power consumption acquisition means 310 obtains the actual power consumption every 30 minutes from the power transmission and distribution business operator.
Further, when the supply point itself is new, or when the actual power consumption of the supply point cannot be acquired, the actual power consumption acquisition means 310 estimates the actual power consumption by the existing power consumption model.

Next, the electric power demand forecast amount calculating means 320 of the electric power trading system 10 acquires the environmental data of each supply point and stores it in the storage unit 23 of the processing device 20 (step S11).
The "environmental data of the supply point" here means the weather data (temperature, humidity, pressure, solar radiation amount, rainfall amount) for the past year of each supply point acquired from the weather database DB by the power demand forecast amount calculation means 320. Etc.), weather forecast data for 84 hours at each supply point, or calendar data recording holidays and holidays.

Next, the electric power demand forecast amount calculating means 320 of the electric power trading system 10 acquires the actual electric power consumption for the past based on the actual electric power consumption for the past acquired in step S10 and the environmental data acquired in step S11. A power demand forecast amount [kWh] every 30 minutes for a predetermined period (for example, one year) at each supply point is calculated and stored in the storage unit 23 of the processing device 20 (step S12).

<3.1.2. Acquisition of power generation amount at power generation point and prediction of power generation amount>
Subsequently, the acquisition of the power generation amount at the power generation point and the calculation of the power generation predicted amount will be described with reference to FIG. 4B.

The acquisition of the power generation amount at the power generation point by the power transaction system 10 is performed by the power generation amount acquisition means 330 of the common subsystem 300.
The prediction of the power generation amount at the power generation point (calculation of the power generation prediction amount) by the power transaction system 10 is performed by the power generation prediction amount calculation means 340 of the common subsystem 300.

The acquisition of the power generation amount by the power generation amount acquisition means 330 and the prediction of the power generation amount by the power generation prediction amount calculation means 340 may be performed at any timing.
Further, the power generation points at which the power generation amount acquisition means 330 acquires the power generation amount may be all power generation points or some power generation points.
Similarly, the power generation points for which the power generation prediction amount calculation means 340 predicts the power generation amount may be all power generation points or some power generation points.

The power generation amount acquisition means 330 of the power trading system 10 obtains the power generation amount [kWh] every 30 minutes at a predetermined (for example, all) power generation points for the past (for example, for the past one year from a predetermined start date). It is acquired from the reverse power flow meter RSM provided at the power generation point via the power transmission and distribution business operator and stored in the storage unit 23 of the processing device 20 (step S20).
In the case of the first year when the reverse power flow measuring meter RSM is installed, the power generation amount acquisition means 330 obtains the power generation amount every 30 minutes from the power transmission and distribution business operator.
If the power generation point itself is new, or if the power generation amount at the power generation point cannot be acquired, the power generation amount acquisition means 330 estimates the power generation amount using the existing power generation model.

Next, the power generation prediction amount calculation means 340 of the electric power trading system 10 acquires the environmental data of each power generation point and stores it in the storage unit 23 of the processing device 20 (step S21).
The "environmental data of the power generation point" here means the weather data (temperature, humidity, pressure, solar radiation amount, rainfall amount, etc.) for the past year of each power generation point acquired from the weather database DB by the power generation forecast amount calculation means 340. ), Weather forecast data for 84 hours at each power generation point, or calendar data recording holidays and holidays.

Next, the power generation prediction amount calculation means 340 of the power trading system 10 is at each power generation point where the past power generation amount is acquired based on the past power generation amount acquired in step S20 and the environmental data acquired in step S21. The predicted power generation amount [kWh] every 30 minutes for a predetermined period (for example, one year) is calculated and stored in the storage unit 23 of the processing device 20 (step S22).

<3.2. Power purchase by the purchaser ＞
Subsequently, the procedure for purchasing electric power by the power purchaser will be described with reference to FIGS. 5 to 11.

First, an outline of the power purchase procedure by the power purchaser will be described with reference to FIG.
FIG. 5 is a flowchart showing a procedure for purchasing electric power by a power purchaser using the electric power trading system according to the embodiment of the present invention.

When the power purchaser selects a power generation bidding group to purchase power, as shown in FIG. 5, the power seller first registers the power generation bidding group in advance (step S100), and then the power purchaser. Searches for a power generation bidding group (step S120) and bids for power selling against the power selling bidding plan (step S140).
After that, the power seller confirms the power sale bid and performs the contract processing (step S160).
Hereinafter, each step will be described in detail.

<3.2.1. Registration of power generation bidding group>
First, the registration of the power generation bidding group by the power seller in step S100 will be described with reference to FIGS. 6 to 7B.
FIG. 6 is a flowchart showing a procedure for registering a power generation bidding group by the power trading system according to the embodiment of the present invention, and FIGS. 7A and 7B are power generation bids displayed on the power seller terminal when the power generation bidding group is registered. It is a figure which shows an example of a group setting screen.

When the power seller registers the power generation bid group, the power seller accesses the power trading system 10 by the power seller terminal ST and calls the power generation bid group setting screen data (step S101).
Upon receiving the call of the power generation bid group setting screen data, the power trading system 10 transmits the power generation bid group setting screen data to the power seller terminal ST (step S102).
As a result, the power seller terminal ST displays the power generation bidding group setting screen 30 as shown in FIGS. 7A and 7B (step S103).

Here, the power generation bidding group setting screen 30 will be described.
The power generation bid group setting screen 30 includes a power generation bid group information input area 31, a power generation point search condition input area 32, a power generation bid group registration area 33, a power generation amount simulation area 34, and a power sale desired unit price input area 35. , The power sale bid plan display area 36, the power sale bid plan registration button 37, and the return button 38.

The power generation bid group information input area 31 is composed of a bid area selection tab 31a, a power sale period input field 31b, and a power generation bid group name input field 31c.
In the power generation bid group information input area 31, the bid area is specified (selection of the bid area selection tab 31a), the power sale period is set (input in the power sale period input field 31b), and the power generation bid group name is input (). Input to the power generation bid group name input field 31c) is mandatory.

The bid area selection tab 31a is a drop-down list that displays bid area candidates (in Japan, a supply area that divides the country into 10), and one bid from the bid area displayed on the bid area selection tab 31a. The area can be freely selected.
The electric power sale period input field 31b is a field for inputting a target period for electric power sale (electric power sale period).
The power generation bid group name input field 31c is a field for inputting the name of the power generation bid group to be registered (preferably to which information specifying the power source is added).

The power generation point search condition input area 32 includes a search condition input field 32a, a search button 32b, and a clear button 32c.
The search condition input field 32a is a field for inputting a keyword for searching a predetermined power generation point from a pre-registered power generation point.
The search button 32b is a button for transmitting an instruction to search for a power generation point to the electric power transaction system 10 based on the keyword input in the search condition input field 32a.
The clear button 32c is a button for deleting the keyword input in the search condition input field 32a.

The power generation bid group registration area 33 is composed of a power generation point display field 33a, a power generation bid group display field 33b, an add button 33c, and a delete button 33d.
The power generation point display column 33a is a column in which the name of the power generation point, which is one of the information of the power generation point transmitted from the electric power transaction system 10, is displayed one by one in one line, and each line can be freely selected. There is.
The power generation bid group display column 33b is a column in which the names of the power generation points constituting the candidates of the power generation bid group are displayed one by one in one line, and each line can be freely selected.
The add button 33c is a button for adding the power generation point selected in the power generation point display field 33a to the power generation bid group display field 33b.
The delete button 33d is a button for deleting the power generation point selected in the power generation bid group display field 33b from the power generation bid group display field 33b.

The power generation amount simulation area 34 is composed of a power generation amount simulation button 34a and a power generation amount simulation column 34b.
The power generation amount display button 34a is a button for transmitting a command to the power transaction system 10 to add up the power generation predicted amounts of the power generation points displayed in the power generation bid group display column 33b.
The power generation amount display column 34b is a column in which the power generation predicted amount of the entire power generation point (power generation bid group candidate) displayed in the power generation bid group display field 33b transmitted from the power trading system 10 is displayed. , The transition of the power generation amount for a predetermined time (for example, every 30 minutes) for a predetermined period (for example, one day) corresponding to a predetermined condition (the day with the largest amount of power generation in one day) is displayed.

The power sale desired unit price input area 35 is composed of a power sale desired unit price input field 35a and a power sale bid plan display button 35b.
The power selling desired unit price input field 35a is a field for inputting the power selling desired unit price to be registered in the power selling bidding plan.
The power selling bid plan display button 35b causes the power selling bid plan creating means 114 of the power trading system 10 to create a power selling bid plan for the power generation bidding group candidate, and causes the power selling terminal ST to send the power selling bid plan. Is a button for transmitting to the power trading system 10.

In the power selling bid plan display area 36, the power selling bid plan of the power generation bidding group candidate received from the power trading system 10 is displayed.
Specifically, as a power generation bid plan, information for specifying the power source of the power generation bid group candidate (whether or not it is renewable energy, etc.), the total electric energy as the power generation bid group candidate [MWh], and the power generation bid group candidate. Average power consumption [kWh / day], annual maximum power as a power generation bid group candidate [kW], desired unit price for selling power as a power generation bid group candidate [yen / kWh], total price (total power as a power generation bid group candidate) Amount x desired unit price for selling power as a candidate for a power generation bidding group) [yen] etc. are included.

The power sale bid plan registration button 37 registers the power generation bid group candidate displayed in the power generation bid group display field 33b as a power generation bid group in the bid database 23a, and also registers the contents input in the power generation bid group information input area 31 and sells. The electricity selling bid plan displayed in the electricity bidding plan display area 36 is also a button for transmitting an instruction to be registered in the bidding database 23a associated with the information of the power generation points constituting the power generation bidding group to the electricity trading system 10.
The return button 38 is a button for transitioning from the power generation bidding group setting screen 30 to another screen (for example, an initial screen).

Returning to FIG. 6, the registration of the power generation bidding group by the power seller will be further described.
The power seller inputs the information of the power generation bid group to be registered in the power generation bid group information input area 31 by the power seller terminal ST.

Next, the power seller inputs a keyword for searching a power generation point that is a candidate for the power generation bidding group registered in the power transaction system 10 by the power seller terminal ST in the search condition input field 32a.
Then, when the search button 32b is pressed by operating the power seller terminal ST, the power seller terminal ST transmits the search condition of the power generation point input in the power generation point search condition input area 32 to the power trading system 10. (Step S104).

The electric power transaction system 10 that has received the search condition for the power generation point searches for a power generation point that matches the received search condition (step S105).
Then, the electric power transaction system 10 transmits the search result (information on the power generation point corresponding to the received search condition) to the power seller terminal ST (step S106).

The power seller terminal ST that has received the search result from the power transaction system 10 displays the power generation point that matches the received search condition in the power generation point display field 33a of the power generation bid group registration area 33 (step S107).

Next, the power seller selects a power generation point for which a power generation bid group is to be formed from the power generation points displayed in the power generation point display field 33a of the power generation bid group registration area 33 by the power seller terminal ST, and presses the add button 33c. ..
As a result, the candidates for the power generation bid group are displayed in the power generation bid group display column 33b (step S108).

Next, it is determined whether or not the power seller terminal ST has received the command for simulating the electric energy (step S109).
When the power generation amount simulation button 34a is pressed by operating the power seller terminal ST, it is assumed that the power seller terminal ST has received the command to simulate the power amount, and the command to simulate the power amount and the power generation bidding group. Information on the power generation point that is a candidate for the above is transmitted to the electric power trading system 10, and the process proceeds to step S110.
When the power generation amount simulation button 34a is not pressed, the power seller inputs the power sale desired unit price in the power sale desired unit price input field 35a of the power sale desired unit price input area 35 by the power seller terminal ST, and steps. Proceed to S113.

In step S110, the power trading system 10 that has received the command to simulate the power amount simulates the power generation amount of the candidate of the power generation bidding group based on the power generation predicted amount of each power generation point calculated by the power generation predicted amount calculating means 340. To create.
Then, the electric power transaction system 10 transmits the simulated result to the power seller terminal ST (step S111).
The power seller terminal ST that has received the simulated result of the power generation amount of the power generation bidding group displays the simulated result in the power generation amount simulation column 34b (step S112).
Then, the power seller inputs the power sale desired unit price in the power sale desired unit price input field 35a of the power sale desired unit price input area 35 by the power seller terminal ST.

When the power sale bid plan display button 35b is pressed by operating the power seller terminal ST, the power seller terminal ST displays the information input in the power generation bid group information input area 31 and the power generation bid group display field 33b. Information on the power generation point that is a candidate for the displayed power generation bidding group and the power selling bid plan creation information such as the power selling desired unit price input in the power selling desired unit price input field 35a are transmitted to the power trading system 10 ( Step S113).

Next, the power selling bid plan creating means 114 of the power trading system 10 creates a power selling bid plan for a candidate of the power generation bidding group from the power selling bid plan creation information received from the power seller terminal ST (step S114). The power sale bid plan is transmitted to the power seller terminal ST (step S115).

The power seller terminal ST that has received the power selling bid plan from the power trading system 10 displays the power selling bid plan in the power selling bid plan display area 36 (step S116).
When the power selling bid plan registration button 37 is pressed by operating the power selling terminal ST, the power selling terminal ST transmits an instruction to register the power selling bid plan in the bidding database 23a to the power trading system 10 ( Step S117).
The power generation bidding group registration means 111 of the power trading system 10 that has received the registration instruction of the power selling bid plan uses the power selling bidding plan transmitted to the power seller terminal ST as the power selling bidding plan of the power generation bidding group in the bidding database 23a. Register (step S118).

<3.2.2. Searching for power generation bidding groups and bidding for selling power>
Next, the search for the power generation bidding group by the power purchaser in step S120 and the power sale bid in step S140 will be described with reference to FIGS. 8 and 9.
FIG. 8 is a flowchart showing a procedure for searching a power generation bid group by the power trading system according to an embodiment of the present invention, and FIG. 9 is a power generation bid group search screen displayed on a power seller terminal when searching for a power generation bid group. It is a figure which shows an example.

When the power purchaser searches for the power generation bid group, the power purchaser accesses the power transaction system 10 by the power purchaser terminal BT and calls the power generation bid group search screen data (step S121).
The electric power trading system 10 that has received the call of the power generation bid group search screen data transmits the power generation bid group search screen data to the power purchaser terminal BT (step S122).
As a result, the power purchaser terminal BT displays the power generation bidding group search screen 40 as shown in FIG. 9 (step S123).

Here, the power generation bidding group search screen 40 will be described.
The power generation bid group search screen 40 is composed of a power generation bid group search condition input area 41, a power generation bid group display area 42, a power generation forecast amount display area 43, a power sale bid plan display area 44, and a bid button 45. ing.

The power generation bid group search condition input area 41 includes a bid area selection tab 41a, a total price input field 41b, an annual maximum output input field 41c, a power sale period input field 41d, a total power amount input field 41e, and a search button. It is composed of 41f and a clear button 41g.
In the power generation bidding group search condition input area 41, it is essential to specify the bidding area (selection of the bidding area selection tab 41a).

The bid area selection tab 41a is a drop-down list that displays bid area candidates (supply areas in Japan), and one bid area can be freely selected from the bid areas displayed on the bid area selection tab 41a. ing.
The total price input field 41b is a field for inputting a range of total prices set by the power generation bidding group.
The annual maximum output input field 41c is a field for inputting the range of the annual maximum output of the power generation bidding group.
The electric power sale period input field 41d is a field for inputting the target period for the electric power sale of the electric power seller.
The total electric energy input field 41e is a field for inputting the range of the total electric energy of the power generation bidding group.
The search button 41f is a button for transmitting an instruction to search for a power generation bidding group to the electric power trading system 10 based on the information input or selected in the total electric energy input field 41e from the bidding area selection tab 41a.
The clear button 41g is a button for deleting information input or selected in the total electric energy input field 41e from the bid area selection tab 41a.

In the power generation bidding group display area 42, information on the power generation bidding group transmitted from the power trading system 10 is displayed one group per line.
In the power generation bid group display area 42, the bid status and the power sale bid plan of each power generation bid group are displayed.
Further, each line of the power generation bidding group display area 42 is freely selectable.

The power generation forecast amount display area 43 is a column in which the power generation forecast amount of the entire power generation point is displayed as the power generation bid group selected in the power generation bid group display area 42, and specifically, a predetermined period corresponding to a predetermined condition. The transition of the amount of power generation for a predetermined time (for example, every 30 minutes) for a predetermined time (for example, one day) is displayed.

In the power selling bid plan display area 44, the power selling bid plan of the power generation bidding group selected in the power generation bidding group display area 42 is displayed.

The bidding button 45 transmits an instruction to bid for the power generation bidding group selected in the power generation bidding group display area 42 to the power trading system 10.

Returning to FIG. 8, the search for the power generation bidding group by the power purchaser will be further described.
The power purchaser inputs a search condition for searching for a power generation bid group to be procured in the power generation bid group search condition input area 41 by the power purchaser terminal BT.

Next, when the search button 41f is pressed by operating the power purchaser terminal BT, the power purchaser terminal BT sets the search condition of the power generation bid group input in the power generation bid group search condition input area 41 to the power trading system 10. (Step S124).

The power generation bid group search means 112 of the power transaction system 10 that has received the search condition of the power generation bid group searches for a power generation bid group that matches the received search condition (step S125).
Then, the power generation bid information transmission means 113 of the power trading system 10 transmits the search result (power generation bid information such as the power sale bid plan of the power generation bid group that matches the search condition) to the power purchaser terminal BT (step S126).

The power purchaser terminal BT that has received the search result from the power transaction system 10 displays the information of the power generation bid group in the power generation bid group display area 42 (step S127).

Next, the power purchaser selects a power generation bid group to be bid from the power generation bid group displayed in the power generation bid group display area 42 by the power purchaser terminal BT (step S128).
When the power purchaser selects the power generation bidding group to be bid on by the power purchaser terminal BT, the power purchaser terminal BT sends the power generation forecast amount of the selected power generation bidding group and the call command of the power sale bid plan to the power trading system 10. (Step S129).

Upon receiving the command to call the power generation bid group and the power sale bid plan selected by the power purchaser, the power trading system 10 sets the power generation bid group's power forecast amount and the power sale bid plan to the power purchaser terminal BT. (Step S130).

The power purchaser terminal BT that has received the power generation bid group's power forecast amount and the power sale bid plan displays the power generation forecast amount of the power generation bid group in the power generation forecast amount display area 43, and displays the power sale bid plan on the power sale bid plan. It is displayed in the area 44 (step S131).

When the bid button 45 is pressed by operating the power purchaser terminal BT, the power trading system 10 indicates that the bid is made to the power sale bid plan of the power generation bid group selected in the power generation bid group display area 42 (bid instruction). Is transmitted to (step S141).
Then, the electric power transaction system 10 that has received the bidding instruction registers in the bidding database 23a that the bidding has been entered in the power generation bidding group selected in the power generation bidding group display area 42 (that there was a bidding for selling electricity) (step). S142).

<3.2.3. Contract processing>
Next, the contract processing in step S160 will be described with reference to FIGS. 10 and 11.
FIG. 10 is a flowchart showing a contract procedure by the electric power trading system according to the embodiment of the present invention, and FIG. 11 shows an example of a power selling bid display screen displayed on the power seller terminal when searching for a power generation bidding group. It is a figure.

When the power seller confirms the bid for the power sale bid plan (power sale bid), the power seller accesses the power transaction system 10 by the power seller terminal ST and calls the power sale bid confirmation screen data (step S161). ).
Upon receiving the call for the power sale bid confirmation screen data, the power transaction system 10 transmits the power sale bid confirmation screen data to the power seller terminal ST (step S162).
As a result, the power seller terminal ST displays the power sale bid confirmation screen 50 as shown in FIG. 11 (step S163).

Here, the power sale bid confirmation screen 50 will be described.
The power sale bid confirmation screen 50 is composed of a power sale bid search condition input area 51, a power sale bid display area 52, and a contract button 53.

The power sale bid search condition input area 51 includes a power generation bid group name input field 51a, a supply area selection field 51b, a power sale period input field 51c, a bidder name input field 51d, and a power sale bid search button 51e. It is composed of a clear button 51f.

The power generation bid group name input field 51a is a field for inputting a keyword when searching for a registered power generation bid group.
The supply area selection column 51b is a column for selecting a supply area, and a plurality of supply areas can be freely selected.
The electric power sale period input field 51c is a field for inputting the electric power sale period set by the power generation bidding group.
The bidder name input field 51d is a field for inputting a keyword when searching for a bidder (power purchaser).
The power sale bid search button 51e is a button for transmitting an instruction to search for a power sale bid to the power trading system 10 based on the information input or selected from the power generation bid group name input field 51a to the bidder name input field 51d. ..
The clear button 51f is a button for deleting information input or selected from the power generation bid group name input field 51a to the bidder name input field 51d.

In the power selling bid display area 52, the power selling bid information transmitted from the power selling bid information transmitting means 115 of the electric power trading system 10 is displayed one by one per line.
In each line of the power sale bid display area 52, a power generation bid group name, a power source, a bidder, a power sale bid plan, and the like are displayed.
Further, each line of the power sale bid display area 52 is freely selectable.

The contract button 53 transmits the information of the power selling bid selected in the power selling bid display area 52 to the electric power trading system 10.

Returning to FIG. 10, the contract processing will be further described.
The power seller inputs search conditions for searching for a power selling bid that is convenient for the power seller in the power selling bid search condition input area 51 by the power selling terminal ST.
Then, when the power selling bid search button 51e is pressed by operating the power selling terminal ST, the power selling terminal ST sets the search condition of the power selling bid input in the power selling bid search condition input area 51 into the power trading system. It is transmitted to 10 (step S164).

The electric power transaction system 10 that has received the search condition for the power sale bid searches for the power sale bid for the power sale bid plan that matches the received search condition (step S165).
Then, the power selling bid information transmitting means 115 of the electric power transaction system 10 transmits the search result (information on the selling bid for the power selling bidding plan that matches the search condition) to the power selling terminal ST (step S166).

The power seller terminal ST that has received the search result from the power transaction system 10 displays the power sale bid that matches the search condition in the power sale bid display area 52 (step S167).

The power seller confirms the power generation bid displayed in the power sale bid display area 52 of the power sale bid confirmation screen 50 by the power seller terminal ST, selects the most favorable power sale bid, and presses the contract button 53. push.
When the contract button 53 is pressed by operating the power seller terminal ST, one power selling bid selected in the power selling bid display area 52 is transmitted to the power trading system 10 as a contract target (step S168).

Then, the power purchase contract registration means 116 of the electric power trading system 10 that has received the information of the power sale bid to be contracted registers one power sale bid in the bid database 23a (step S169).
This completes the long-term bilateral transaction between the seller and the buyer.

<3.2.4. Summary>
The power generation trading system 10 of the present embodiment configured in this way includes a power generation bidding group registration means 111 for registering a power generation bidding group composed of one or more power generation points under the jurisdiction of the power seller in the bidding database 23a, and the power generation bidding group registration means 111. The power generation bid group search means 112 for searching the power generation bid group registered in the bid database 23a, and the power generation bid information transmission means for transmitting the search result by the power generation bid group search means 112 to the power purchaser terminal BT of the power purchaser. By providing 113, the power purchaser can freely select the power generation bidding group that has jurisdiction over a specific power generation point, and the power purchaser can procure power from the power generation bidding group selected by the power purchaser himself. Can realize a high degree of freedom in power generation for power buyers, such as procuring power from a power generation bidding group that offers the cheapest selling price.

Further, the power selling bid plan creating means 114 for creating the power selling bid plan of the power generation bidding group during the power selling period input from the power selling seller terminal ST of the power seller is further provided, the power generation bid information transmitting means is 113, and the power generation is performed. By transmitting the power sale bid plan to the power purchaser terminal BT of the power purchaser as a search result by the bid group search means 112, the power purchaser carefully examines the power generation bid group based on the power sale bid plan and then bids for power generation. Since the group can be selected, the matching accuracy between the power buyer and the power seller can be improved.

Furthermore, since the power sale bidding plan includes information that identifies the power source of the power generation bidding group, the power purchaser can select the power generation bidding group that has jurisdiction over the specific power source, so that the power purchaser can operate the business. It is possible to easily realize electric power procurement such that the energy required for electricity is 100% renewable energy.

Further, the power selling bid information transmitting means 115 for transmitting the information of the power selling bid of the power buyer for the power selling bid plan to the power seller terminal ST of the power seller, and one selected based on the operation of the power seller. By further providing the power purchase contract registration means 116 for registering the power sale bid in the bid database 23a, the power purchaser can select the power seller to purchase the power after confirming the bid conditions. , The matching accuracy between the power buyer and the power seller can be further improved.

<3.3. Electricity sales by electricity sellers>
Subsequently, the procedure for selling electric power by the seller will be described with reference to FIGS. 12 to 18.

First, an outline of the electric power sales procedure by the power seller will be described with reference to FIG. 12.
FIG. 12 is a flowchart showing a power sales procedure by a power seller using the power trading system according to the embodiment of the present invention.

When the power seller selects a demand bidding group and sells electric power, as shown in FIG. 12, the power purchaser first registers the demand bidding group in advance (step S200), and then the power seller. Searches for a demand bidding group (step S220) and makes a bid for a power purchase bid plan (step S240).
After that, the power purchaser confirms the power purchase bid and performs the contract processing (step S260).
Hereinafter, each step will be described in detail.

<3.3.1. Registration of demand bidding group>
First, the registration of the demand bidding group by the power purchaser in step S200 will be described with reference to FIGS. 13 to 14B.
FIG. 13 is a flowchart showing a procedure for registering a demand bidding group by the electric power trading system according to the embodiment of the present invention, and FIGS. 14A and 14B are demand bids displayed on the power purchaser terminal when the demand bidding group is registered. It is a figure which shows an example of a group setting screen.

When the power purchaser registers the demand bid group, the power purchaser accesses the power transaction system 10 by the power purchaser terminal BT and calls the demand bid group setting screen data (step S201).
The electric power transaction system 10 that has received the call of the demand bid group setting screen data transmits the demand bid group setting screen data to the power purchaser terminal BT (step S202).
As a result, the power purchaser terminal BT displays the demand bidding group setting screen 60 as shown in FIGS. 14A and 14B (step S203).

Here, the demand bidding group setting screen 60 will be described.
The demand bid group setting screen 60 includes a demand bid group information input area 61, a supply point search condition input area 62, a demand bid group registration area 63, a demand amount simulation area 64, and a power purchase desired unit price input area 95. , The power purchase bid plan display area 66, the power purchase bid plan registration button 67, and the return button 68.

The demand bid group information input area 61 is composed of a bid area selection tab 61a and a demand bid group name input field 61b.
In the demand bid group information input area 61, it is essential to specify the bid area (select the bid area selection tab 61a) and input the demand bid group name (input to the demand bid group name input field 61b). There is.

The bid area selection tab 61a is a drop-down list that displays bid area candidates (supply areas in Japan), and one bid area can be freely selected from the bid areas displayed on the bid area selection tab 61a. ing.
The demand bid group name input field 61b is a field for inputting the name of the demand bid group to be registered from now on.

The supply point search condition input area 62 includes a search condition input field 62a, a search button 62b, and a clear button 62c.
The search condition input field 62a is a field for inputting a keyword for searching a predetermined supply point from the supply points registered in advance.
The search button 62b is a button for transmitting an instruction to search for a supply point to the electric power transaction system 10 based on the information input in the search condition input field 62a.
The clear button 62c is a button for deleting the information input in the search condition input field 62a.

The demand bid group registration area 63 is composed of a supply point display column 63a, a demand bid group display column 63b, an add button 63c, and a delete button 63d.
The supply point display column 63a is a column in which the name of the supply point, which is one of the supply point information transmitted from the electric power transaction system 10, is displayed one supply point per line, and each line can be freely selected. There is.
The demand bid group display column 63b is a column in which the names of the supply points constituting the candidates of the demand bid group are displayed one by one in one line, and each line can be freely selected.
The add button 63c is a button for adding the supply point selected in the supply point display field 63a to the supply bid group display field 33b.
The delete button 63d is a button for deleting the supply point selected in the supply bid group display field 63b from the supply bid group display field 63b.

The demand amount simulation display area 64 is composed of a demand amount simulation button 64a and a demand amount simulation column 64b.
The demand amount simulation button 64a is a button for transmitting a command to the electric power trading system 10 to add up the electric power demand forecast amount of the supply point displayed in the demand bid group display column 63b.
The demand amount simulation column 64b is a column in which the electric power demand forecast amount of the entire supply point (demand bid group candidate) displayed in the demand bid group display column 63b transmitted from the electric power trading system 10 is displayed, and is specific. Displays the transition of the power demand forecast amount for a predetermined time (for example, every 30 minutes) for a predetermined period (for example, one year).

The power purchase desired unit price input area 65 includes a power purchase desired unit price input field 65a and a power purchase bid plan display button 65b.
The power purchase desired unit price input field 65a is a field for inputting the power purchase desired unit price to be registered in the power purchase bid plan.
The power purchase bid plan display button 65b causes the power purchase bid plan creation means 124 of the power trading system 10 to create a power purchase bid plan for the demand bid group candidate, and causes the power purchaser terminal BT to send the power purchase bid plan. Is a button for transmitting to the power trading system 10.

In the power purchase bid plan display area 66, the power purchase bid plan of the demand bid group candidate received from the power transaction system 10 is displayed.
Specifically, as a power purchase bid plan, the total electric energy as a demand bid group candidate [MWh], the average electric energy used as a demand bid group candidate [kWh / day], and the annual maximum electric energy as a demand bid group candidate [kW]. ], Desired unit price for power purchase as a candidate for a demand bid group [yen / kWh], Total price (total electric energy as a candidate for a demand bid group x desired unit price for power purchase as a candidate for a demand bid group) [yen], Candidate for a demand bid group Demand bid group Contains information that identifies the estimated amount of electricity demand.
The "demand bid group candidate power demand forecast amount" referred to here is a value obtained by adding up the power consumption forecast amount for each unit time of each supply point constituting the demand bid group, and is a demand bid group. It is a transition of the power consumption forecast amount for each unit time (for example, 30 minutes) as a candidate.

The power purchase bid plan registration button 67 registers the demand bid group candidate displayed in the demand bid group display field 63b as a demand bid group in the bid database 23a, and the contents input in the demand bid group information input area 61 and the purchase. The power purchase bid plan displayed in the power bid plan display area 66 is also a button for transmitting an instruction to be registered in the bid database 23a associated with the information of the power generation points constituting the demand bid group to the power trading system 10.
The return button 68 is a button for transitioning from the demand bidding group setting screen 60 to another screen (for example, an initial screen).

Returning to FIG. 13, the registration of the demand bidding group by the power purchaser will be further described.
The power purchaser inputs the information of the demand bid group to be registered in the demand bid group information input area 61 by the power purchaser terminal BT.

Next, the power purchaser inputs information for searching a supply point that is a candidate for the demand bidding group registered in the power transaction system 10 by the power purchaser terminal BT in the search condition input field 62a.
Then, when the search button 62b is pressed by operating the power purchaser terminal BT, the power purchaser terminal BT transmits the search condition of the supply point input in the supply point search condition input area 62 to the electric power trading system 10. (Step S204).

The electric power transaction system 10 that has received the search condition of the supply point searches for a supply point that matches the received search condition (step S205).
Then, the electric power transaction system 10 transmits the search result (information on the supply point corresponding to the received search condition) to the power purchaser terminal BT (step S206).

The power purchaser terminal BT that has received the search result from the electric power transaction system 10 displays the supply point that matches the received search condition in the supply point display field 63a of the demand bidding group registration area 63 (step S207).

Next, the power purchaser selects a supply point for which a demand bid group is to be formed from the supply points displayed in the supply point display field 63a of the demand bid group registration area 63 by the power purchaser terminal BT, and presses the add button 63c. ..
As a result, the candidates for the demand bidding group are displayed in the demand bidding group display field 63b (step S208).

Next, it is determined whether or not the power purchaser terminal BT has accepted the command for simulating the demand amount (step S209).
When the average demand amount display button 64a is pressed by operating the power purchaser terminal BT, it is assumed that the power purchaser terminal BT has received the command to simulate the demand amount, and the instruction to simulate the demand amount and the demand bidding group. Information on the supply point that is a candidate for is transmitted to the electric power trading system 10, and the process proceeds to step S210.
When the demand amount simulation button 64a is not pressed, the power purchaser inputs the power purchase desired unit price in the power purchase desired unit price input field 65a of the power purchase desired unit price input area 65 by the power purchaser terminal BT, and steps. Proceed to S213.

In step S210, the electric power trading system 10 that has received the instruction to simulate the demand amount is the demand amount of the candidate of the demand bidding group based on the electric power demand forecast amount of each supply point calculated by the electric power demand forecast amount calculation means 320. Create a simulation of.
Then, the electric power transaction system 10 transmits the simulated result to the power purchaser terminal BT (step S211).
The power purchaser terminal BT that has received the simulated result of the average power generation amount of the demand bidding group displays the simulated result in the demand amount simulation column 64b (step S212).
Then, the power purchaser inputs the power purchase desired unit price in the power purchase desired unit price input field 65a of the power purchase desired unit price input area 65 by the power purchaser terminal BT.

When the power purchase bid plan display button 65b is pressed by operating the power purchaser terminal BT, the power purchaser terminal BT displays the information input in the demand bid group information input area 61 and the demand bid group display field 63b. Information on the displayed supply points that are candidates for the demand bidding group and information on creating a power purchase bid plan such as the power purchase desired unit price input in the power purchase desired unit price input field 65a are transmitted to the power trading system 10 ( Step S213).

Next, the power purchase bid plan creation means 124 of the power trading system 10 creates a power purchase bid plan for a candidate of the demand bidding group from the power purchase bid plan creation information received from the power purchaser terminal BT (step S214). The power purchase bid plan is transmitted to the power purchaser terminal BT (step S215).

The power purchaser terminal BT that has received the power purchase bid plan from the power transaction system 10 displays the power purchase bid plan in the power purchase bid plan display area 66 (step S216).
When the power purchase bid plan registration button 67 is pressed by operating the power purchaser terminal BT, the power purchaser terminal BT transmits an instruction to register the power purchase bid plan in the bid database 23a to the power trading system 10 ( Step S217).
The demand bidding group registration means 121 of the power trading system 10 that has received the registration instruction of the power purchase bid plan uses the power purchase bid plan transmitted to the power purchaser terminal BT as the power purchase bid plan of the power generation bid group in the bid database 23a. Register (step S218).

<3.3.2. Search for demand bidding groups and bids for power purchases>
Next, the search for the demand bidding group by the power seller in step S220 and the power purchase bid in step S240 will be described with reference to FIGS. 15 and 16.
FIG. 15 is a flowchart showing a search procedure of a demand bidding group by the electric power trading system according to an embodiment of the present invention, and FIG. 16 is a demand bidding group search screen displayed on a power purchaser terminal when searching for a demand bidding group. It is a figure which shows an example.

When the power seller searches for the demand bid group, the power seller accesses the power transaction system 10 by the power seller terminal ST and calls the demand bid group search screen data (step S221).
The electric power transaction system 10 that has received the call of the demand bid group search screen data transmits the search screen data to the demand bid group power seller terminal ST (step S222).
As a result, the power seller terminal ST displays the demand bidding group search screen 70 as shown in FIG. 16 (step S223).

Here, the demand bidding group search screen 70 will be described.
The demand bid group search screen 70 is composed of a demand bid group search condition input area 71, a demand bid group display area 72, a demand forecast amount display area 73, a power purchase bid plan display area 74, and a bid button 75. ing.

The demand bid group search condition input area 71 is composed of a bid area selection tab 71a, a total price input field 71b, an annual maximum output input field 71c, a total electric energy input field 71d, a search button 71e, and a clear button 71f. It is configured.
In the demand bidding group search condition input area 71, it is essential to specify the bidding area (selection of the bidding area selection tab 71a).

The bid area selection tab 71a is a drop-down list that displays bid area candidates (supply areas in Japan), and one bid area can be freely selected from the bid areas displayed on the bid area selection tab 71a. ing. The total price input field 71b is a field for inputting a range of total prices set by the demand bidding group.
The annual maximum output input field 71c is a field for inputting the range of the annual maximum demand amount of the demand bidding group.
The total electric energy input field 71d is a field for inputting the range of the total demand amount of the demand bidding group.
The search button 71e is a button for transmitting an instruction to search the demand bidding group to the electric power trading system 10 based on the information input or selected in the total electric energy input field 71d from the bidding area selection tab 71a.
The clear button 71f is a button for deleting information input or selected in the total electric energy input field 71d from the bid market selection tab 71a.

In the demand bidding group display area 72, the information of the demand bidding group transmitted from the electric power trading system 10 is displayed one group per line.
In the demand bid group display area 72, the bid status and the power purchase bid plan of each demand bid group are displayed.
Further, each row of the demand bid group display area 72 is freely selectable.

The demand forecast amount display area 73 is a column in which the power demand forecast amount of the entire supply point is displayed as the demand bid group selected in the demand bid group display area 72, and specifically, a predetermined condition corresponding to a predetermined condition is satisfied. The transition of the power demand forecast amount for a predetermined time (for example, every 30 minutes) of the period (for example, one day) is displayed.

In the power purchase bid plan display area 74, the power purchase bid plan of the demand bid group selected in the demand bid group display area 72 is displayed.

The bidding button 75 transmits an instruction to bid for the demand bidding group selected in the demand bidding group display area 72 to the electric power trading system 10.

Returning to FIG. 15, the search for the demand bidding group by the power seller will be further described.
The power seller inputs a search condition for searching the demand bid group for which power is to be procured in the demand bid group search condition input area 71 by the power seller terminal ST.

Next, when the search button 71f is pressed by operating the power seller terminal ST, the power seller terminal ST sets the search condition of the demand bid group input in the demand bid group search condition input area 71 to the power trading system 10. (Step S224).

The demand bid group search means 122 of the electric power transaction system 10 that has received the search condition of the demand bid group searches for a demand bid group that matches the received search condition (step S225).
Then, the demand bid information transmission means 123 of the electric power trading system 10 transmits the search result (information such as the power purchase bid plan of the demand bid group that matches the search condition) to the power seller terminal ST (step S226).

The power seller terminal ST that has received the search result from the electric power transaction system 10 displays the information of the demand bidding group in the demand bidding group display area 72 (step S227).

Next, the power seller selects a demand bid group to be bid from the demand bid groups displayed in the demand bid group display area 72 by the power seller terminal ST (step S228).
When the power seller selects the demand bidding group to be bid by the power seller terminal ST, the power seller terminal ST sends the demand forecast amount of the selected demand bidding group and the call command of the power purchase bid plan to the power trading system 10. (Step S229).

Upon receiving the instruction to call the demand forecast amount and the power purchase bid plan of the demand bid group selected by the power seller, the power trading system 10 sets the demand forecast amount and the power purchase bid plan of the demand bid group to the power seller terminal ST. (Step S230).

The power seller terminal ST that has received the demand forecast amount and the power purchase bid plan of the demand bid group displays the demand forecast amount of the demand bid group in the demand forecast amount display area 73, and displays the power purchase bid plan in the power purchase bid plan display. It is displayed in the area 74 (step S231).

When the bid button 75 is pressed by operating the power seller terminal ST, the power trading system 10 indicates that the bid is bid for the power purchase bid plan of the demand bid group selected in the demand bid group display area 72 (bid instruction). Is transmitted to (step S241).
Then, the electric power trading system 10 that has received the bid instruction registers in the bid database 23a that the bid has been entered in the demand bid group selected in the demand bid group display area 72 (there is a bid bid) (step). S242).

<3.3.3. Contract processing>
Next, the contract processing in step S260 will be described with reference to FIGS. 17 and 18.
FIG. 10 is a flowchart showing a contract procedure by the electric power trading system according to the embodiment of the present invention, and FIG. 18 shows an example of a power purchase bid display screen displayed on the power purchaser terminal when searching for a demand bidding group. It is a figure.

When the power purchaser confirms the bid for the power purchase bid plan (power purchase bid), the power purchaser accesses the power transaction system 10 by the power purchaser terminal BT and calls the power purchase bid confirmation screen data (step S261). ).
Upon receiving the call for the power purchase bid confirmation screen data, the power transaction system 10 transmits the power purchase bid confirmation screen data to the power purchaser terminal BT (step S262).
As a result, the power purchaser terminal BT displays the power purchase bid confirmation screen 80 as shown in FIG. 18 (step S263).

Here, the power purchase bid confirmation screen 80 will be described.
The power purchase bid confirmation screen 80 is composed of a power purchase bid search condition input area 81, a power purchase bid display area 82, and a contract button 83.

The power purchase bid search condition input area 81 is composed of a demand bid group name input field 81a, a bidder name input field 81b, a power purchase bid search button 81c, and a clear button 81d.

The demand bid group name input field 81a is a field for inputting a keyword when searching for a registered demand bid group.
The bidder name input field 81b is a field for inputting a keyword when searching for a bidder (power seller).
The power purchase bid search button 81c is a button for transmitting an instruction to search for a power purchase bid to the electric power trading system 10 based on the information input in the demand bid group name input field 81a and the bidder name input field 81b.
The clear button 81d is a button for deleting the information selected in the demand bid group name input field 81a and the bidder name input field 81b.

In the power purchase bid display area 82, the power purchase bid information transmitted from the power purchase bid information transmitting means 125 of the electric power trading system 10 is displayed one by one per line.
In each line of the power purchase bid display area 82, a demand bid group name, bidders, power purchase bid plans, and the like are displayed.
Further, each line of the power purchase bid display area 82 can be freely selected.

The contract button 83 transmits information on the power purchase bid selected in the power purchase bid display area 82 to the power trading system 10.

Returning to FIG. 17, the contract processing will be further described.
The power purchaser inputs a search condition for searching for a power purchase bid that is convenient for the power purchaser in the power generation bid search condition input area 81 by the power purchaser terminal BT.
Then, when the power purchase bid search button 81c is pressed by operating the power purchaser terminal BT, the power purchaser terminal BT sets the search condition of the power sale bid input in the power generation bid search condition input area 81 to the power trading system 10. (Step S264).

The electric power transaction system 10 that has received the search condition for the power purchase bid searches for a power purchase bid for the power purchase bid plan that matches the received search condition (step S265).
Then, the power purchase bid information transmission means 125 of the electric power transaction system 10 transmits the search result (information on the power purchase bid for the power purchase bid plan that matches the search condition) to the power purchaser terminal BT (step S266).

The power purchaser terminal BT that has received the search result from the power transaction system 10 displays the power purchase bid that matches the search condition in the power purchase bid display field 82 (step S267).

The power purchaser confirms the power purchase bid displayed in the power purchase bid display field 82 of the power purchase bid confirmation screen 80 by the power purchaser terminal BT, selects the most favorable power purchase bid, and selects the contract button 83. Press.
When the contract button 83 is pressed by operating the power purchaser terminal BT, one power purchase bid selected in the power purchase bid display field 82 is transmitted to the power transaction system 10 as a contract target (step S268).

Then, the power selling contract registration means 216 of the electric power trading system 10 that has received the information of the power purchase bid to be contracted registers one power purchase bid in the bid database 23a (step S269).
This completes the long-term bilateral transaction between the power buyer and the power seller.

<3.2.4. Summary>
The electric power trading system 10 of the present embodiment configured in this way includes a demand bidding group registration means 121 for registering a demand bidding group composed of one or more supply points under the jurisdiction of the purchaser in the bidding database 23a, and the demand bidding group registration means 121. The demand bid group search means 122 for searching the demand bid group registered in the bid database 23a, and the demand bid information transmission means for transmitting the search result by the demand bid group search means 122 to the power seller terminal ST of the power seller. By providing 123, the power seller can freely select the demand bidding group that has jurisdiction over a specific supply point, and the power seller can purchase power from the demand bidding group selected by the power seller himself. Can realize a high degree of freedom in power procurement for power sellers, such as procuring a demand bidding group that offers the highest bid price.

Further, the power purchase bid plan creation means 124 for creating the power purchase bid plan of the demand bid group in the power purchase period input from the power purchaser terminal BT of the power purchaser is further provided, and the demand bid information transmission means 123 is in demand. By transmitting the power purchase bid plan to the power seller terminal ST of the power seller as a search result by the bid group search means 122, the power seller carefully examines the demand bid group based on the power purchase bid plan and then makes a demand bid. Since the group can be selected, the matching accuracy between the power buyer and the power seller can be improved.

Further, the actual power consumption acquisition means 310 for acquiring the actual power consumption of the supply point up to the predetermined time, and the power demand forecast amount for each unit time of the supply point after the predetermined time based on the actual power consumption of the supply point. The power purchase bid plan created by the power purchase bid plan creation means 124 further includes the power demand forecast amount calculation means 320 for calculating the power consumption forecast amount for each unit time of each supply point belonging to the demand bid group. The demand bid group power demand forecast amount, which is the sum of the power consumption forecast amount for each unit time of each supply point belonging to the demand bid group, is transmitted by the demand bid information transmission means by including the power demand forecast amount of the demand bid group. Therefore, the power seller can confirm the magnitude of the time change of the power consumption of the power purchaser and realize the power sale.

Further, the power purchase bid information transmitting means 125 that displays the power purchase bid information of the power seller for the power purchase bid plan on the power purchaser terminal BT of the power purchaser, and one purchase selected based on the operation of the power purchaser. By further providing the power selling contract registration means 126 for registering the power bill in the bid database, the power purchaser can select the power seller to purchase the power after confirming the bid conditions. It is possible to further improve the matching accuracy between the electric power person and the electric power seller.

<4. Modification example>
Although the examples of the present invention have been described above, the present invention is not limited to the above.

For example, one power purchaser may purchase power from a plurality of power sellers using the power trading system of this embodiment.
Similarly, one electric power seller may sell electric power to a plurality of electric power buyers by using the electric power trading system of this embodiment.

For example, in this embodiment, the other electric power trading system is a JEPX electric power trading system, but the other electric power trading system is an electric power trading system other than JEPX if it is an electric power trading system for physical and forward trading of electric power. It may be a system.

For example, the electric power trading system 10 may be composed of a plurality of processing devices 20.
Specifically, the storage unit and the processing unit may be configured as separate processing devices.

For example, in the present embodiment, the processing performed by the electric power trading system 10 may be performed by the power seller terminal ST or the power purchaser terminal BT.

For example, in this embodiment, the "environmental data" may be meteorological data, forecast data, or calendar data stored in the meteorological database DB, but the situation around the power generation point for which the predicted power generation amount is to be calculated. The data is not limited to this as long as it is data related to the situation around the supply point for which the forecast amount of power demand is to be calculated.

For example, in this embodiment, various information is stored in the storage unit 23 of the processing device 20, but these information are not limited to storage in the storage unit 23, and are stored in, for example, a blockchain database. You may.

10 ・ ・ ・ Electricity transaction system 100 ・ ・ ・ Long-term bilateral transaction subsystem 110 ・ ・ ・ Power purchase transaction component 111 ・ ・ ・ Power generation bid group registration means 112 ・ ・ ・ Power generation bid group search means 113 ・ ・ ・ Power generation bid information transmission Means 114 ・ ・ ・ Power sale bid plan creation means 115 ・ ・ ・ Power sale bid information transmission means 116 ・ ・ ・ Power purchase contract registration means 120 ・ ・ ・ Power sale transaction component 121 ・ ・ ・ Demand bid group registration means 122 ・ ・・ Demand bid group search means 123 ・ ・ ・ Demand bid information transmission means 124 ・ ・ ・ Power purchase bid plan creation means 125 ・ ・ ・ Power purchase bid information transmission means 126 ・ ・ ・ Power purchase contract registration means 200 ・ ・ ・ Short-term supply and demand Adjustment subsystem 300 ・ ・ ・ Common subsystem 310 ・ ・ ・ Actual power consumption acquisition means 320 ・ ・ ・ Power demand forecast amount calculation means 330 ・ ・ ・ Power generation amount acquisition means 340 ・ ・ ・ Power generation forecast amount calculation means

20 ・ ・ ・ Processing device 21 ・ ・ ・ Communication unit 22 ・ ・ ・ Input unit 23 ・ ・ ・ Storage unit 23a ・ ・ ・ Bid database 24 ・ ・ ・ Processing unit

DB ・ ・ ・ Meteorological database NW ・ ・ ・ Network FSM ・ ・ ・ Forward power flow measurement meter RSM ・ ・ ・ Reverse power flow measurement meter ES ・ ・ ・ Other power trading system BT ・ ・ ・ Power purchaser terminal ST ・ ・ ・ Power sale Person terminal

The present invention relates to an electric power trading system, an electric power trading method, and an electric power trading program that support electric power trading between a power purchaser who wants to purchase electric power and a power seller who wants to sell electric power.

From April 1, 2016, the entry into the electricity retail business was completely liberalized, and electric power, which was previously only able to contract with the electric power company (former general electric power company) decided in the region, has newly entered. It is now possible to freely select and contract an electric power company, including new electric power.

Therefore, there is known an electric power trading system in which an electric power purchaser can purchase electric power from an optimal electric power seller in order to reduce the electric power procurement cost (for example, Non-Patent Document 1).

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The above-mentioned electric power trading system is a system used by electric power buyers, and cannot be used by electric power sellers who want to sell electricity at the highest possible price.
In addition, the power purchaser could freely select the power generation bidding group that has jurisdiction over a specific power generation point, and could not procure power from the power generation bidding group selected by the power purchaser himself.
Therefore, in the conventional electric power trading system, it is not possible to realize electric power trading with a high degree of freedom for electric power traders such as electric power buyers and electric power sellers, and there is room for further improvement.

Therefore, the present invention solves the problems of the prior art as described above, that is, the object of the present invention is an electric power trading system and an electric power trading method that realizes electric power trading with a high degree of freedom for electric power traders. And to provide an electricity trading program.

The invention according to claim 1 includes a processing device, a bid database, a power purchaser terminal of a power purchaser who wants to purchase power, and a power seller terminal of a power seller who wants to sell power. A power trading system that supports a power transaction between a person and the power seller, wherein the processing device contains at least information on a power generation bidding group composed of two or more power generation points under the jurisdiction of the power seller. Information of the power generation bid group composed of the power generation bid group registration means registered in the bid database and one or more power generation points registered in the bid database is transmitted from the power purchaser terminal of the power purchaser. By providing a power generation bid group search means for searching based on the search conditions and a power generation bid information transmission means for transmitting the search result by the power generation bid group search means to the power purchaser terminal of the power purchaser. It solves the above-mentioned problems.

In the invention according to claim 2, in addition to the configuration of the electric power trading system according to claim 1, the power generation bidding group in the electric power sale period in which the processing apparatus is input from the electric power seller terminal of the electric power seller. The power generation bid information transmission means of the processing device further comprises a power sale bid plan creation means for creating the power sale bid plan of the power generation bid group, and the power generation bid information transmission means of the power generation bid group is used as a search result by the power generation bid group search means. By transmitting to the power purchaser terminal, the above-mentioned problems are further solved.

The invention according to claim 3 has the above-mentioned problem because, in addition to the configuration of the electric power trading system according to claim 2, the electric power sale bidding plan includes information for specifying the electric power source of the power generation bidding group. Is a further solution.

In the invention according to claim 4, in addition to the configuration of the electric power trading system according to claim 2 or 3, the processing apparatus provides information on the electricity selling bid of the electricity purchaser with respect to the electricity selling bidding plan. A means for transmitting power-selling bid information to be transmitted to the power-selling terminal of the power-selling person, and a means for registering a power-buying contract for contract registration of one of the power-selling bids selected based on the operation of the power-selling person in the bidding database. By further providing the above-mentioned problems, the above-mentioned problems can be further solved.

The invention according to claim 5 includes a processing device, a bidding database, a power purchaser terminal of a power purchaser who wants to purchase power, and a power seller terminal of a power seller who wants to sell power. A power trading system that supports power trading between a person and the power seller, wherein the processing device contains at least information on a demand bidding group composed of two or more supply points under the jurisdiction of the power purchaser. Information on the demand bid group composed of the demand bid group registration means registered in the bid database and one or more supply points registered in the bid database is transmitted from the power seller terminal of the power seller. By providing a demand bid group search means for searching based on the search conditions and a demand bid information transmission means for transmitting the search result by the demand bid group search means to the power seller terminal of the power seller. It solves the above-mentioned problems.

In the invention according to claim 6, in addition to the configuration of the electric power trading system according to claim 5, the demand bidding group in the electric power purchase period in which the processing device is input from the electric power purchaser terminal of the electric power purchaser. The power purchase bid plan creation means for creating the power purchase bid plan is further provided, and the demand bid information transmission means of the processing device uses the power purchase bid plan as a search result by the demand bid group search means of the power seller. By transmitting to the power seller terminal, the above-mentioned problems are further solved.

In the invention according to claim 7, in addition to the configuration of the electric power trading system according to claim 5, the electric power actual consumption acquisition means for the processing apparatus to acquire the actual electric power consumption at the supply point up to a predetermined time. Further, the power purchase bid plan is further provided with a power demand forecast amount calculation means for calculating the power demand forecast amount for each unit time of the supply point after a predetermined time based on the power actual consumption amount of the supply point. The above-mentioned problem is further solved by including the demand bid group power demand forecast amount which is the sum of the power consumption forecast amount for each unit time of each supply point constituting the demand bid group.

In the invention according to claim 8, in addition to the configuration of the electric power trading system according to claim 6 or 7, the processing apparatus provides information on the power purchase bid of the power seller for the power purchase bid plan. A means for transmitting power purchase bid information displayed on the power purchaser terminal of the power purchaser, and a power selling contract registration means for contracting and registering one of the power purchase bids selected based on the operation of the power purchaser in the bid database. By further providing the above-mentioned problems, the above-mentioned problems can be further solved.

The invention according to claim 9 comprises a processing device having a power generation bid group setting means, a power generation bid group search means, and a power generation bid display means, a bid database, a power purchaser terminal of a power purchaser who wishes to purchase power, and power generation. It is a power generation method for supporting a power transaction between the power purchaser and the power seller by a power trading system provided with a power seller terminal of the power seller who wishes to sell, and is a power generation method of the processing device. A step in which the bid group setting means registers at least information of a power generation bid group composed of two or more power generation points under the jurisdiction of the power seller in the bid database, and a power generation bid group search means of the processing device is the bid database. A step of searching the information of the power generation bidding group composed of one or more power generation points registered in the power generation based on the search condition transmitted from the power purchaser terminal of the power purchaser, and the power generation of the processing device. The bid display means solves the above-mentioned problem by including a step of transmitting the search result by the power generation bid group search means to the power purchaser terminal of the power purchaser.

The invention according to claim 10 relates to a processing device having a demand bid group setting means, a demand bid group search means, and a demand bid display means, a bid database, a power purchaser terminal of a power purchaser who wishes to purchase power, and power. It is a power trading method that supports a power transaction between the power purchaser and the power seller by a power trading system provided with a power seller terminal of the power seller who wishes to sell, and is a demand for the processing device. The bid group setting means registers at least the information of the demand bid group composed of two or more supply points under the jurisdiction of the power purchaser in the bid database, and the demand bid group search means of the processing device is the bid database. A step of searching the information of the demand bidding group composed of one or more of the supply points registered in the above based on the search condition transmitted from the power seller terminal of the power seller, and the demand of the processing device. The bid display means solves the above-mentioned problem by including a step of transmitting the search result by the demand bid group search means to the power seller terminal of the power seller.

The invention according to claim 11 is an electric power trading program that supports an electric power transaction between a power purchaser who wants to purchase electric power and a power seller who wants to sell electric power, and is claimed 9 or 10. The above-mentioned problem is solved by causing the processing apparatus to execute each step of the electric power trading method described in the above.

Here, the "power purchaser" in the present invention is a person who has jurisdiction over one or more electricity supply points specified by the supply point identification number, and is assigned a supply point identification number (electricity). (Consumers, etc. who are the main contractors of various contracts) and those who are not assigned a supply point specific number (a retail electricity company that supplies electricity to consumers, an agent (agency for the conclusion of retail supply contracts) Person), etc.).
Further, the "power seller" in the present invention is a person who has jurisdiction over one or more power generation points of electricity specified by the power receiving point identification number, and possesses a power generation facility in which the power receiving point identification number is set. (Power generation companies under the Electricity Business Law such as electric power companies and gas companies, power generation equipment owners who own power generation equipment and wish to sell the power generated by the power generation equipment), and the power receiving point identification number Those who do not own the set power generation equipment but have concluded a contract (power generation adjustment supply contract) with the power transmission and distribution company that is responsible for power generation adjustment (power generation adjustment supply contract) (retail electric power company, it is effective to bundle the power demand of consumers It means an aggregator, etc. that provides energy management services to.
Further, the "jurisdiction" in the present invention includes not only the meaning of "ownership" but also the meaning of "management by contract".

According to the power generation trading system of the invention according to claim 1, the power generation bidding group registration means in which the processing device registers at least the information of the power generation bidding group composed of two or more power generation points under the jurisdiction of the power seller in the bidding database. And a power generation bid group search means that searches for information on a power generation bid group consisting of one or more power generation points registered in this bid database based on the search conditions sent from the power purchaser terminal of the power purchaser. By providing a power generation bid information transmission means for transmitting the search result by this power generation bid group search means to the power purchaser terminal of the power purchaser, the power purchaser can set a power generation bid group having jurisdiction over a specific power generation point. Since the power can be freely selected and the power can be procured from the power generation bidding group selected by the power purchaser, the power purchaser has the freedom to procure the power from the power generation bidding group that offers the cheapest selling price. It is possible to realize high power generation.

According to the power trading system of the invention according to claim 2, in addition to the effect of the power trading system of the invention according to claim 1, the processing apparatus has a power sale period input from the power seller terminal of the power seller. Further equipped with a means for creating a power-selling bid plan for creating a power-selling bid plan for a power generation bid group in By sending to the power purchaser terminal, the power purchaser can select the power generation bid group after carefully examining the power generation bid group based on the power sale bid plan, so that the matching accuracy between the power purchaser and the power seller can be selected. Can be improved.

According to the electric power trading system of the invention according to claim 3, in addition to the effect of the electric power trading system of the invention according to claim 2, the electric power sale bidding plan includes information specifying the electric power source of the power generation bidding group. This allows the power purchaser to select a power generation bidding group that has jurisdiction over a specific power source, so that the power purchaser can easily realize power procurement such that the energy required for business operation is 100% renewable energy. be able to.

According to the electric power trading system of the invention according to claim 4, in addition to the effect of the electric power trading system of the invention according to claim 2 or 3, the processing apparatus sells the electric power of the power purchaser to the electric power selling bidding plan. A power-selling bid information transmitting means for transmitting bid information to the power-selling terminal of the power-selling person, and a power-buying contract registration means for contract-registering one power-selling bid selected based on the operation of the power-selling person in the bid database. By further providing, the power purchaser can select the power seller who purchases the power after confirming the bid conditions, so that the matching accuracy between the power purchaser and the power seller can be further improved. Can be done.

According to the power trading system of the invention according to claim 5, the demand bidding group registration means in which the processing device registers at least the information of the demand bidding group composed of two or more supply points under the jurisdiction of the power purchaser in the bidding database. And a demand bidding group search means for searching information of a demand bidding group consisting of one or more supply points registered in this bidding database based on the search conditions transmitted from the power seller terminal of the power seller. By providing a demand bid information transmission means for transmitting the search result by this demand bid group search means to the power seller terminal of the power seller, the power seller can set the demand bid group having jurisdiction over a specific supply point. Since the power can be freely selected and electricity can be purchased from the demand bidding group selected by the power seller, the power seller has a high degree of freedom, such as procuring the demand bidding group that offers the highest bid price. It is possible to realize power procurement.

According to the power trading system of the invention according to claim 6, in addition to the effect of the power trading system of the invention according to claim 5, the processing apparatus has a power purchase period input from the power purchaser terminal of the power purchaser. Further equipped with a means for creating a power purchase bid plan for creating a power purchase bid plan for a demand bid group in the above, the demand bid information transmission means of the processing device sells the power purchase bid plan as a search result by the demand bid group search means. By sending to the power seller terminal, the power seller can select the demand bid group after carefully examining the demand bid group based on the power purchase bid plan, so that the matching accuracy between the power purchaser and the power seller can be selected. Can be improved.

According to the electric power trading system of the invention of claim 7, in addition to the effect of the electric power trading system of the invention of claim 6, the electric power of the processing apparatus to acquire the actual electric power consumption of the supply point by a predetermined time. A power purchase bid plan is further equipped with a means for acquiring actual power consumption and a means for calculating power demand forecast amount for each unit time of the power supply point after a predetermined time based on the actual power consumption at the supply point. However, by including the demand bid group power demand forecast amount, which is the sum of the unit time power consumption forecast amounts of each supply point constituting the demand bid group, the power consumption of each supply point belonging to the demand bid group per unit time. Since the demand bid group power demand forecast amount, which is the sum of the forecast amounts, is transmitted by the demand bid information transmission means, the power seller can confirm the magnitude of the time change of the power consumption of the power purchaser and realize the power sale. can.

According to the electric power trading system of the invention according to claim 8, in addition to the effect of the electric power trading system of the invention according to claim 6 or 7, the processing apparatus purchases electric power of the seller for the electric power purchase bidding plan. A power-buying bid information transmission means for displaying bid information on the power-buyer terminal of the power-buying person, and a power-selling contract registration means for contract-registering one power-buying bid selected based on the operation of the power-buying person in the bid database. By further providing, the power purchaser can select the power seller who purchases the power after confirming the bid conditions, so that the matching accuracy between the power purchaser and the power seller can be further improved. can.

According to the power generation trading method of the invention according to claim 9, the power generation bid group setting means of the processing device registers at least the information of the power generation bid group composed of two or more power generation points under the jurisdiction of the power seller in the bid database. Based on the search conditions sent from the power purchaser terminal of the power purchaser, the information of the power generation bid group consisting of the step and the power generation bid group search means of the processing device consisting of one or more power generation points registered in the bid database. The power generation bid display means of the processing device includes a step of transmitting the search result by the power generation bid group search means to the power purchaser terminal of the power purchaser, so that the power purchaser can generate a specific power generation. Since the power generation bid group that has jurisdiction over the point can be freely selected and the power generation bid group selected by the power purchaser can procure power, the power purchaser should procure power from the power generation bid group that offers the cheapest selling price. In addition, it is possible to realize power generation with a high degree of freedom for the power purchaser.

According to the power trading method of the invention according to claim 10, the demand bidding group setting means of the processing device registers at least the information of the demand bidding group composed of two or more supply points under the jurisdiction of the power purchaser in the bidding database. Based on the search condition sent from the seller terminal of the seller, the information of the demand bid group consisting of the step and the demand bid group search means of the processing device is registered in the bid database and consists of one or more supply points. The power seller has a specific supply because the demand bid display means of the processing device includes a step of transmitting the search result by the demand bid group search means to the power seller terminal of the power seller. Since the demand bidding group that has jurisdiction over the point can be freely selected and electricity can be purchased from the demand bidding group selected by the power seller, the power seller procures the demand bidding group that offers the highest bid price. It is possible to realize power procurement with a high degree of freedom for the seller.

According to the power trading program of the invention according to claim 11, the power purchaser has jurisdiction over a specific power generation point by causing the processing apparatus to execute each step of the power trading method according to claim 9 or 10. Since the power generation bidding group can be freely selected and the power can be procured from the power generation bidding group selected by the power purchaser himself, the power purchaser can procure the power from the power generation bidding group that offers the cheapest selling price. It is possible to realize electricity procurement with a high degree of freedom for the person.
Alternatively, the power seller offers the highest bid price because the power seller can freely select the demand bid group that has jurisdiction over a specific supply point and can purchase power from the demand bid group selected by the power seller himself. It is possible to realize power procurement with a high degree of freedom for the power seller, such as procuring a demand bidding group.

FIG. 3 is a network configuration diagram to which an electric power trading system according to an embodiment of the present invention is connected. The system configuration diagram of the electric power trading system shown in FIG. The device configuration diagram of the processing device. The flowchart which shows the prediction procedure of the electric power demand amount of a supply point by the electric power trading system which is an embodiment of this invention. The flowchart which shows the prediction procedure of the power generation amount of the power generation point by the power transaction system which is an Example of this invention. The flowchart which shows the electric power purchase procedure by the electric power purchaser using the electric power transaction system which is an embodiment of this invention. The flowchart which shows the registration procedure of the power generation bidding group by the electric power trading system which is an embodiment of this invention. The figure which shows an example of the power generation bidding group setting screen displayed on the power seller terminal when registering a power generation bidding group. The figure which shows an example of the power generation bid group setting screen displayed on the power seller terminal at the time of registration of a power generation bid group. The flowchart which shows the search procedure of the power generation bidding group by the electric power trading system which is an embodiment of this invention. The figure which shows an example of the power generation bid group search screen displayed on the power seller terminal when searching the power generation bid group. The flowchart which shows the contract procedure by the electric power trading system which is an Example of this invention. The figure which shows an example of the power sale bid display screen displayed on the power seller terminal when searching the power generation bid group. The flowchart which shows the electric power sales procedure by the electric power seller using the electric power transaction system which is an embodiment of this invention. The flowchart which shows the registration procedure of the demand bidding group by the electric power transaction system which is an Example of this invention. The figure which shows an example of the demand bid group setting screen displayed on the power purchaser terminal when registering a demand bid group. The figure which shows an example of the demand bid group setting screen displayed on the power purchaser terminal when registering a demand bid group. The flowchart which shows the search procedure of the demand bidding group by the electric power transaction system which is an embodiment of this invention. The figure which shows an example of the demand bid group search screen displayed on a power purchaser terminal when searching for a demand bid group. The flowchart which shows the contract procedure by the electric power trading system which is an Example of this invention. The figure which shows an example of the power purchase bid display screen displayed on the power purchaser terminal when searching the demand bid group.

In the power trading system of the present invention, the processing device registers at least the information of the power generation bidding group consisting of two or more power generation points under the jurisdiction of the seller in the bidding database, and the power generation bidding group registration means and the bidding database. A power generation bid group search method for searching information of a power generation bid group consisting of one or more registered power generation points based on a search condition transmitted from a power purchaser terminal of a power purchaser, and this power generation bid group search. By providing a power generation bid information transmission means for transmitting the search result by the means to the power purchaser terminal of the power purchaser, and the processing device is composed of two or more supply points under the jurisdiction of the power purchaser. The power seller terminal of the power seller can store the information of the demand bid group consisting of at least the demand bid group registration means for registering the information of the demand bid group in the bid database and one or more supply points registered in this bid database. It is provided with a demand bid group search means for searching based on the search conditions sent from, and a demand bid information transmission means for transmitting the search results by this demand bid group search means to the power seller terminal of the power seller. As long as it realizes power generation with a high degree of freedom for the power generation trader, the specific embodiment thereof may be any.

Further, in the power generation trading method of the present invention, the power generation bid group setting means of the processing device registers at least the information of the power generation bid group composed of two or more power generation points under the jurisdiction of the power seller in the bid database, and the process. The power generation bid group search means of the device searches for information of a power generation bid group composed of one or more power generation points registered in the bid database based on the search conditions transmitted from the power purchaser terminal of the power purchaser. By providing a step and a step in which the power generation bid display means of the processing device transmits the search result by the power generation bid group search means to the power purchaser terminal of the power purchaser, the demand bid group setting means of the processing device is also provided. At least the step of registering the information of the demand bidding group consisting of two or more supply points under the jurisdiction of the power purchaser in the bidding database, and one or more of the demand bidding group search means of the processing device registered in the bidding database. The step of searching the information of the demand bid group composed of the supply points of the power generation based on the search condition transmitted from the power seller terminal of the power seller, and the demand bid display means of the processing device are searched by the demand bid group search means. Any specific embodiment is provided as long as it provides a step of transmitting the result to the power seller terminal of the power seller to realize power generation with a high degree of freedom for the power trader. It doesn't matter.

Further, in the power generation trading program of the present invention, the power generation bid group setting means of the processing device registers at least the information of the power generation bid group composed of two or more power generation points under the jurisdiction of the power seller in the bid database, and the process. The power generation bid group search means of the device searches for information of a power generation bid group composed of one or more power generation points registered in the bid database based on the search conditions transmitted from the power purchaser terminal of the power purchaser. By causing the processing device to execute a step and a step in which the power generation bid display means of the processing device transmits the search result by the power generation bid group search means to the power purchaser terminal of the power purchaser, the demand bidding group of the processing device is also performed. The setting means is registered in the bid database at least the step of registering the information of the demand bid group composed of two or more supply points under the jurisdiction of the power purchaser in the bid database, and the demand bid group search means of the processing device is registered in the bid database. The step of searching the information of the demand bid group composed of one or more supply points based on the search condition transmitted from the power seller terminal of the power seller, and the demand bid display means of the processing device are the demand bid group search means. If the processing device is made to execute the step of transmitting the search result by the power generator to the power seller terminal of the power seller to realize the power generation with a high degree of freedom for the power trader, a specific embodiment thereof. Can be anything.

For example, the power purchaser terminal and the power seller terminal may be any mobile phone, smartphone, tablet, personal computer, or the like as long as they have a communication function.

Hereinafter, an electric power trading system, an electric power trading method, and an electric power trading program, which are examples of the present invention, will be described with reference to FIGS. 1 to 18.

<1. Overview of the network to which the power trading system is connected>
First, an outline of a network to which the electric power trading system 10 according to the embodiment of the present invention is connected will be described with reference to FIG.
FIG. 1 is a network configuration diagram to which an electric power trading system according to an embodiment of the present invention is connected.

As shown in FIG. 1, the electric power trading system 10 according to the embodiment of the present invention is connected to the network NW.
The network NW may be, for example, the Internet, an intranet that can be accessed only by a specific user, or a network in which these are combined.

The network NW includes the meteorological database DB referred to by the electric power trading system 10 and the electric power trading in the wholesale electric power trading market operated by other electric power trading system ES (specifically, JEPX (Japan Electric Power Exchange). System) etc. are connected.
In addition, a power transmission and distribution business operator that maintains a balance of power demand is also connected to this network NW.
A transmission and distribution business operator is a business operator that lays and maintains a transmission and distribution network and monitors the usage status of the transmission and distribution network (transmission and distribution destination, transmission and distribution amount, etc.).

Further, a power purchaser terminal BT owned by a power purchaser who wants to purchase electric power and a power seller terminal ST owned by a power seller who wants to sell electric power are also connected to this network NW.

The consumer has one or more electricity supply points specified by the supply point identification number, is the contracting entity of various electric power contracts, and has a power purchaser terminal BT.
At each of the customer's supply points, a forward flow meter FSM that digitally measures electric power and is connected to the network NW is installed.
This forward power flow meter FSM grasps the amount of electric power used in each predetermined cycle and transmits it to a power transmission and distribution business operator via a network NW, and includes, for example, a forward power flow smart meter.
The cycle in which the forward tide meter FSM grasps the amount of electric power used is, for example, a demand control cycle (a 30-minute cycle is common in Japan), but the cycle is not particularly limited.
Further, each supply point may be equipped with a power management system including a HEMS integrated with or separately from the forward flow measuring meter FSM.

The power generation company has one or more power generation points of electricity specified by the power receiving point identification number, and has a power seller terminal ST.
This power generation company owns power generation facilities (generators installed in thermal power plants, wind power plants, nuclear power plants, solar power plants, etc.) and controls and monitors each power generation facility. Is a person.
At each of the power generation points of the power generation company, a reverse power flow meter RSM connected to the network NW is installed while digitally measuring the electric power.
This reverse power flow measuring meter RSM grasps the amount of power generation for each predetermined cycle and transmits it to the power transmission and distribution business operator via the network NW, and includes, for example, a reverse power flow smart meter and the like.
The cycle in which the reverse power flow meter RSM grasps the amount of power generation or the like is, for example, a demand control cycle, but the cycle is not particularly limited.

In addition, this network NW is engaged in the business of retail electric power companies that supply electricity to consumers, aggregators that bundle the electricity demand of consumers and effectively provide energy management services, and mediation of the conclusion of retail supply contracts. An agent is connected.
A retail electric power company possesses at least one of a power purchaser terminal BT and a power seller terminal ST because it can be a power purchaser who wants to purchase electric power or a power seller who wants to sell electric power. ing.
Since the aggregator corresponds to a power seller who wants to sell electric power, he / she has a power seller terminal ST.
The agent has a power purchaser terminal BT because it corresponds to a power purchaser who wants to purchase electric power.

<2. Overview of electricity trading system>
Next, an outline of the electric power trading system 10 will be described with reference to FIGS. 1 to 3.
FIG. 2 is a system configuration diagram of the electric power trading system shown in FIG. 1, and FIG. 3 is a device configuration diagram of a processing device.

As shown in FIGS. 1 and 2, the electric power trading system 10 is a long-term bilateral trading subsystem 100 that supports electric power trading between a power purchaser who wants to purchase electric power and a power seller who wants to sell electric power. The short-term supply-demand adjustment system 200 that adjusts the power supply-supply balance between supply points on the day before the power supply date and the day of the power supply date to minimize the imbalance amount in the planned value simultaneous equal amount system, and the long-term bilateral trading subsystem 100. And a common subsystem 300 that carries out processing common to the short-term supply and demand adjustment system 200.

<2.1. Long-term bilateral trading subsystem ＞
As shown in FIGS. 1 and 2, the long-term bilateral transaction subsystem 100 includes a power purchase transaction component 110 for conducting a power transaction mainly by a power purchaser and a power sale transaction component for conducting a power transaction mainly by a power seller. It has 120 and.

As shown in FIG. 2, the power purchase transaction component 110 includes a power generation bid group registration means 111, a power generation bid group search means 112, a power generation bid information transmission means 113, a power sale bid plan creation means 114, and a power sale bid. It has an information transmission means 115 and a power purchase contract registration means 116.

The power generation bidding group registration means 111 registers a power generation bidding group (for example, GA1 shown in FIG. 1) composed of one or more power generation points under the jurisdiction of the seller in the bidding database 23a (see FIG. 3) described later.
The power generation bidding group search means 112 searches for a power generation bidding group registered in the bidding database 23a.
The power generation bid information transmission means 113 transmits the power sale bid plan to the power purchaser terminal BT of the power purchaser as a search result by the power generation bid group search means 112.
The power selling bid plan creating means 114 creates a power selling bid plan for the power generation bidding group during the power selling period input from the power selling terminal ST of the power seller.
The power selling bid information transmitting means 115 transmits the information of the power selling bid of the power purchaser to the power selling bid plan by the power seller to the power seller terminal ST of the power seller.
The power purchase contract registration means 116 contracts and registers one power sale bid selected based on the operation of the power seller in the bid database 23a.

As shown in FIG. 2, the power sale transaction component 120 includes a demand bid group registration means 121, a demand bid group search means 122, a demand bid information transmission means 123, a power purchase bid plan creation means 124, and a power purchase bid. It has an information transmitting means 125 and a power selling contract registration means 126.

The demand bidding group registration means 121 registers a demand bidding group (for example, GX1 shown in FIG. 1) composed of one or more supply points under the jurisdiction of the power purchaser in the bidding database 23a.
The demand bid group search means 122 searches for a demand bid group registered in the bid database 23a.
The demand bid information transmission means 123 transmits the power purchase bid plan to the power seller terminal ST of the power seller as a search result by the demand bid group search means 122.
The power purchase bid plan creation means 124 creates a power purchase bid plan for the demand bidding group during the power purchase period input from the power purchaser terminal BT of the power purchaser.
The power purchase bid information transmitting means 125 transmits the information of the power purchase bid of the power seller to the power purchase bid plan by the power purchaser to the power purchaser terminal BT of the power purchaser.
The power sale contract registration means 126 contracts and registers one power purchase bid selected based on the operation of the power purchaser in the bid database 23a.

<2.2. Common subsystem>
As shown in FIG. 2, the common subsystem 300 includes at least an actual power consumption amount acquisition unit 310, a power demand forecast amount calculation unit 320, a power generation amount acquisition unit 330, and a power generation forecast amount calculation unit 340. ..

The actual power consumption acquisition means 310 acquires the actual power consumption at a predetermined supply point up to a predetermined time.
The electric power demand forecast amount calculating means 320 calculates the electric power demand forecast amount of the supply point after a predetermined time based on the electric power actual consumption amount of the supply point acquired by the electric power actual consumption amount acquisition means 310.
The power generation amount acquisition means 330 acquires the power generation amount at a predetermined power generation point up to a predetermined time.
The power generation prediction amount calculation means 340 calculates the power generation prediction amount of the power generation point after a predetermined time based on the power generation amount of the power generation point acquired by the power generation amount acquisition means 330.

<2.3. Processing equipment>
The electric power trading system 10 configured as described above is composed of at least one processing device 20.
The processing device 20 has a communication unit 21 connected to the network NW, an input / output unit 22 such as a man-machine interface that inputs information from the outside or outputs information to the outside, and a communication unit 21 from the network NW. It is input from the storage unit 23 that stores the acquired data, the input from the input / output unit 22, the power trading program, etc., and the data and the input / output unit 22 obtained from the network NW by the power trading program stored in the storage unit 23. It is provided with a processing unit 24 for processing the information and the like.
The storage unit 23 has a bidding database 23a for storing the progress of electric power transactions between the power purchaser and the power seller.
The processing device 20 configured in this way constitutes each component and each means of each subsystem of the electric power trading system 10.

<3. Electricity trading method>
Next, a power trading method by the power trading program stored in the power trading system 10 shown in FIGS. 1 and 2 and the processing device 20 shown in FIG. 3 will be described with reference to FIGS. 4A to 18.

<3.1. Acquisition of actual power consumption and power generation, and forecast of power demand and power generation>
First, based on FIGS. 4A and 4B, acquisition of actual power consumption at a supply point by the common subsystem 300 of the power trading system 10 and prediction of power demand, and power generation by the common subsystem 300 of the power trading system 10 The acquisition of the power generation amount at the point and the prediction of the power generation amount will be explained.
FIG. 4A is a flowchart showing a procedure for predicting the amount of power demand at a supply point by the power trading system according to the embodiment of the present invention, and FIG. 4B shows the prediction of the amount of power generated at the power generation point by the power trading system according to the embodiment of the present invention. It is a flowchart which shows the procedure.

<3.1.1. Acquisition of actual power consumption at supply points and calculation of power demand forecast>
First, the acquisition of the actual power consumption at the supply point and the calculation of the power demand forecast amount will be described with reference to FIG. 4A.

The acquisition of the actual power consumption at the supply point by the power trading system 10 is performed by the actual power consumption acquisition means 310 of the common subsystem 300.
The prediction of the electric power demand amount at the supply point (calculation of the electric power demand forecast amount) by the electric power trading system 10 is performed by the electric power demand forecast amount calculation means 320 of the common subsystem 300.

It should be noted that the acquisition of the actual power consumption by the actual power consumption acquisition means 310 and the prediction of the power demand amount by the power demand forecast amount calculation means 320 may be performed at any timing.
Further, the supply points from which the actual power consumption acquisition means 310 acquires the actual power consumption may be all supply points or some supply points.
Similarly, the supply points for which the electric power demand forecast amount calculation means 320 predicts the electric power demand amount may be all supply points or some supply points.

The actual power consumption acquisition means 310 of the power trading system 10 has a power consumption amount every 30 minutes at a predetermined (for example, all) supply points for the past minutes (for example, for the past one year from a predetermined start time) [ kWh] is acquired from the forward power flow meter FSM provided at each supply point via the power transmission and distribution business operator (step S10).
In the case of the first year when the forward power flow measuring meter FSM is installed, the actual power consumption acquisition means 310 obtains the actual power consumption every 30 minutes from the power transmission and distribution business operator.
Further, when the supply point itself is new, or when the actual power consumption of the supply point cannot be acquired, the actual power consumption acquisition means 310 estimates the actual power consumption by the existing power consumption model.

Next, the electric power demand forecast amount calculating means 320 of the electric power trading system 10 acquires the environmental data of each supply point and stores it in the storage unit 23 of the processing device 20 (step S11).
The "environmental data of the supply point" here means the weather data (temperature, humidity, pressure, solar radiation amount, rainfall amount) for the past year of each supply point acquired from the weather database DB by the power demand forecast amount calculation means 320. Etc.), weather forecast data for 84 hours at each supply point, or calendar data recording holidays and holidays.

Next, the electric power demand forecast amount calculating means 320 of the electric power trading system 10 acquires the actual electric power consumption for the past based on the actual electric power consumption for the past acquired in step S10 and the environmental data acquired in step S11. A power demand forecast amount [kWh] every 30 minutes for a predetermined period (for example, one year) at each supply point is calculated and stored in the storage unit 23 of the processing device 20 (step S12).

<3.1.2. Acquisition of power generation amount at power generation point and prediction of power generation amount>
Subsequently, the acquisition of the power generation amount at the power generation point and the calculation of the power generation predicted amount will be described with reference to FIG. 4B.

The acquisition of the power generation amount at the power generation point by the power transaction system 10 is performed by the power generation amount acquisition means 330 of the common subsystem 300.
The prediction of the power generation amount at the power generation point (calculation of the power generation prediction amount) by the power transaction system 10 is performed by the power generation prediction amount calculation means 340 of the common subsystem 300.

The acquisition of the power generation amount by the power generation amount acquisition means 330 and the prediction of the power generation amount by the power generation prediction amount calculation means 340 may be performed at any timing.
Further, the power generation points at which the power generation amount acquisition means 330 acquires the power generation amount may be all power generation points or some power generation points.
Similarly, the power generation points for which the power generation prediction amount calculation means 340 predicts the power generation amount may be all power generation points or some power generation points.

The power generation amount acquisition means 330 of the power trading system 10 obtains the power generation amount [kWh] every 30 minutes at a predetermined (for example, all) power generation points for the past (for example, for the past one year from a predetermined start date). It is acquired from the reverse power flow meter RSM provided at the power generation point via the power transmission and distribution business operator and stored in the storage unit 23 of the processing device 20 (step S20).
In the case of the first year when the reverse power flow measuring meter RSM is installed, the power generation amount acquisition means 330 obtains the power generation amount every 30 minutes from the power transmission and distribution business operator.
If the power generation point itself is new, or if the power generation amount at the power generation point cannot be acquired, the power generation amount acquisition means 330 estimates the power generation amount using the existing power generation model.

Next, the power generation prediction amount calculation means 340 of the electric power trading system 10 acquires the environmental data of each power generation point and stores it in the storage unit 23 of the processing device 20 (step S21).
The "environmental data of the power generation point" here means the weather data (temperature, humidity, pressure, solar radiation amount, rainfall amount, etc.) for the past year of each power generation point acquired from the weather database DB by the power generation forecast amount calculation means 340. ), Weather forecast data for 84 hours at each power generation point, or calendar data recording holidays and holidays.

Next, the power generation prediction amount calculation means 340 of the power trading system 10 is at each power generation point where the past power generation amount is acquired based on the past power generation amount acquired in step S20 and the environmental data acquired in step S21. The predicted power generation amount [kWh] every 30 minutes for a predetermined period (for example, one year) is calculated and stored in the storage unit 23 of the processing device 20 (step S22).

<3.2. Power purchase by the purchaser ＞
Subsequently, the procedure for purchasing electric power by the power purchaser will be described with reference to FIGS. 5 to 11.

First, an outline of the power purchase procedure by the power purchaser will be described with reference to FIG.
FIG. 5 is a flowchart showing a procedure for purchasing electric power by a power purchaser using the electric power trading system according to the embodiment of the present invention.

When the power purchaser selects a power generation bidding group to purchase power, as shown in FIG. 5, the power seller first registers the power generation bidding group in advance (step S100), and then the power purchaser. Searches for a power generation bidding group (step S120) and bids for power selling against the power selling bidding plan (step S140).
After that, the power seller confirms the power sale bid and performs the contract processing (step S160).
Hereinafter, each step will be described in detail.

<3.2.1. Registration of power generation bidding group>
First, the registration of the power generation bidding group by the power seller in step S100 will be described with reference to FIGS. 6 to 7B.
FIG. 6 is a flowchart showing a procedure for registering a power generation bidding group by the power trading system according to the embodiment of the present invention, and FIGS. 7A and 7B are power generation bids displayed on the power seller terminal when the power generation bidding group is registered. It is a figure which shows an example of a group setting screen.

When the power seller registers the power generation bid group, the power seller accesses the power trading system 10 by the power seller terminal ST and calls the power generation bid group setting screen data (step S101).
Upon receiving the call of the power generation bid group setting screen data, the power trading system 10 transmits the power generation bid group setting screen data to the power seller terminal ST (step S102).
As a result, the power seller terminal ST displays the power generation bidding group setting screen 30 as shown in FIGS. 7A and 7B (step S103).

Here, the power generation bidding group setting screen 30 will be described.
The power generation bid group setting screen 30 includes a power generation bid group information input area 31, a power generation point search condition input area 32, a power generation bid group registration area 33, a power generation amount simulation area 34, and a power sale desired unit price input area 35. , The power sale bid plan display area 36, the power sale bid plan registration button 37, and the return button 38.

The power generation bid group information input area 31 is composed of a bid area selection tab 31a, a power sale period input field 31b, and a power generation bid group name input field 31c.
In the power generation bid group information input area 31, the bid area is specified (selection of the bid area selection tab 31a), the power sale period is set (input in the power sale period input field 31b), and the power generation bid group name is input (). Input to the power generation bid group name input field 31c) is mandatory.

The bid area selection tab 31a is a drop-down list that displays bid area candidates (in Japan, a supply area that divides the country into 10), and one bid from the bid area displayed on the bid area selection tab 31a. The area can be freely selected.
The electric power sale period input field 31b is a field for inputting a target period for electric power sale (electric power sale period).
The power generation bid group name input field 31c is a field for inputting the name of the power generation bid group to be registered (preferably to which information specifying the power source is added).

The power generation point search condition input area 32 includes a search condition input field 32a, a search button 32b, and a clear button 32c.
The search condition input field 32a is a field for inputting a keyword for searching a predetermined power generation point from a pre-registered power generation point.
The search button 32b is a button for transmitting an instruction to search for a power generation point to the electric power transaction system 10 based on the keyword input in the search condition input field 32a.
The clear button 32c is a button for deleting the keyword input in the search condition input field 32a.

The power generation bid group registration area 33 is composed of a power generation point display field 33a, a power generation bid group display field 33b, an add button 33c, and a delete button 33d.
The power generation point display column 33a is a column in which the name of the power generation point, which is one of the information of the power generation point transmitted from the electric power transaction system 10, is displayed one by one in one line, and each line can be freely selected. There is.
The power generation bid group display column 33b is a column in which the names of the power generation points constituting the candidates of the power generation bid group are displayed one by one in one line, and each line can be freely selected.
The add button 33c is a button for adding the power generation point selected in the power generation point display field 33a to the power generation bid group display field 33b.
The delete button 33d is a button for deleting the power generation point selected in the power generation bid group display field 33b from the power generation bid group display field 33b.

The power generation amount simulation area 34 is composed of a power generation amount simulation button 34a and a power generation amount simulation column 34b.
The power generation amount display button 34a is a button for transmitting a command to the power transaction system 10 to add up the power generation predicted amounts of the power generation points displayed in the power generation bid group display column 33b.
The power generation amount display column 34b is a column in which the power generation predicted amount of the entire power generation point (power generation bid group candidate) displayed in the power generation bid group display field 33b transmitted from the power trading system 10 is displayed. , The transition of the power generation amount for a predetermined time (for example, every 30 minutes) for a predetermined period (for example, one day) corresponding to a predetermined condition (the day with the largest amount of power generation in one day) is displayed.

The power sale desired unit price input area 35 is composed of a power sale desired unit price input field 35a and a power sale bid plan display button 35b.
The power selling desired unit price input field 35a is a field for inputting the power selling desired unit price to be registered in the power selling bidding plan.
The power selling bid plan display button 35b causes the power selling bid plan creating means 114 of the power trading system 10 to create a power selling bid plan for the power generation bidding group candidate, and causes the power selling terminal ST to send the power selling bid plan. Is a button for transmitting to the power trading system 10.

In the power selling bid plan display area 36, the power selling bid plan of the power generation bidding group candidate received from the power trading system 10 is displayed.
Specifically, as a power generation bid plan, information for specifying the power source of the power generation bid group candidate (whether or not it is renewable energy, etc.), the total electric energy as the power generation bid group candidate [MWh], and the power generation bid group candidate. Average power consumption [kWh / day], annual maximum power as a power generation bid group candidate [kW], desired unit price for selling power as a power generation bid group candidate [yen / kWh], total price (total power as a power generation bid group candidate) Amount x desired unit price for selling power as a candidate for a power generation bidding group) [yen] etc. are included.

The power sale bid plan registration button 37 registers the power generation bid group candidate displayed in the power generation bid group display field 33b as a power generation bid group in the bid database 23a, and also registers the contents input in the power generation bid group information input area 31 and sells. The electricity selling bid plan displayed in the electricity bidding plan display area 36 is also a button for transmitting an instruction to be registered in the bidding database 23a associated with the information of the power generation points constituting the power generation bidding group to the electricity trading system 10.
The return button 38 is a button for transitioning from the power generation bidding group setting screen 30 to another screen (for example, an initial screen).

Returning to FIG. 6, the registration of the power generation bidding group by the power seller will be further described.
The power seller inputs the information of the power generation bid group to be registered in the power generation bid group information input area 31 by the power seller terminal ST.

Next, the power seller inputs a keyword for searching a power generation point that is a candidate for the power generation bidding group registered in the power transaction system 10 by the power seller terminal ST in the search condition input field 32a.
Then, when the search button 32b is pressed by operating the power seller terminal ST, the power seller terminal ST transmits the search condition of the power generation point input in the power generation point search condition input area 32 to the power trading system 10. (Step S104).

The electric power transaction system 10 that has received the search condition for the power generation point searches for a power generation point that matches the received search condition (step S105).
Then, the electric power transaction system 10 transmits the search result (information on the power generation point corresponding to the received search condition) to the power seller terminal ST (step S106).

The power seller terminal ST that has received the search result from the power transaction system 10 displays the power generation point that matches the received search condition in the power generation point display field 33a of the power generation bid group registration area 33 (step S107).

Next, the power seller selects a power generation point for which a power generation bid group is to be formed from the power generation points displayed in the power generation point display field 33a of the power generation bid group registration area 33 by the power seller terminal ST, and presses the add button 33c. ..
As a result, the candidates for the power generation bid group are displayed in the power generation bid group display column 33b (step S108).

Next, it is determined whether or not the power seller terminal ST has received the command for simulating the electric energy (step S109).
When the power generation amount simulation button 34a is pressed by operating the power seller terminal ST, it is assumed that the power seller terminal ST has received the command to simulate the power amount, and the command to simulate the power amount and the power generation bidding group. Information on the power generation point that is a candidate for the above is transmitted to the electric power trading system 10, and the process proceeds to step S110.
When the power generation amount simulation button 34a is not pressed, the power seller inputs the power sale desired unit price in the power sale desired unit price input field 35a of the power sale desired unit price input area 35 by the power seller terminal ST, and steps. Proceed to S113.

In step S110, the power trading system 10 that has received the command to simulate the power amount simulates the power generation amount of the candidate of the power generation bidding group based on the power generation predicted amount of each power generation point calculated by the power generation predicted amount calculating means 340. To create.
Then, the electric power transaction system 10 transmits the simulated result to the power seller terminal ST (step S111).
The power seller terminal ST that has received the simulated result of the power generation amount of the power generation bidding group displays the simulated result in the power generation amount simulation column 34b (step S112).
Then, the power seller inputs the power sale desired unit price in the power sale desired unit price input field 35a of the power sale desired unit price input area 35 by the power seller terminal ST.

When the power sale bid plan display button 35b is pressed by operating the power seller terminal ST, the power seller terminal ST displays the information input in the power generation bid group information input area 31 and the power generation bid group display field 33b. Information on the power generation point that is a candidate for the displayed power generation bidding group and the power selling bid plan creation information such as the power selling desired unit price input in the power selling desired unit price input field 35a are transmitted to the power trading system 10 ( Step S113).

Next, the power selling bid plan creating means 114 of the power trading system 10 creates a power selling bid plan for a candidate of the power generation bidding group from the power selling bid plan creation information received from the power seller terminal ST (step S114). The power sale bid plan is transmitted to the power seller terminal ST (step S115).

The power seller terminal ST that has received the power selling bid plan from the power trading system 10 displays the power selling bid plan in the power selling bid plan display area 36 (step S116).
When the power selling bid plan registration button 37 is pressed by operating the power selling terminal ST, the power selling terminal ST transmits an instruction to register the power selling bid plan in the bidding database 23a to the power trading system 10 ( Step S117).
The power generation bidding group registration means 111 of the power trading system 10 that has received the registration instruction of the power selling bid plan uses the power selling bidding plan transmitted to the power seller terminal ST as the power selling bidding plan of the power generation bidding group in the bidding database 23a. Register (step S118).

<3.2.2. Searching for power generation bidding groups and bidding for selling power>
Next, the search for the power generation bidding group by the power purchaser in step S120 and the power sale bid in step S140 will be described with reference to FIGS. 8 and 9.
FIG. 8 is a flowchart showing a procedure for searching a power generation bid group by the power trading system according to an embodiment of the present invention, and FIG. 9 is a power generation bid group search screen displayed on a power seller terminal when searching for a power generation bid group. It is a figure which shows an example.

When the power purchaser searches for the power generation bid group, the power purchaser accesses the power transaction system 10 by the power purchaser terminal BT and calls the power generation bid group search screen data (step S121).
The electric power trading system 10 that has received the call of the power generation bid group search screen data transmits the power generation bid group search screen data to the power purchaser terminal BT (step S122).
As a result, the power purchaser terminal BT displays the power generation bidding group search screen 40 as shown in FIG. 9 (step S123).

Here, the power generation bidding group search screen 40 will be described.
The power generation bid group search screen 40 is composed of a power generation bid group search condition input area 41, a power generation bid group display area 42, a power generation forecast amount display area 43, a power sale bid plan display area 44, and a bid button 45. ing.

The power generation bid group search condition input area 41 includes a bid area selection tab 41a, a total price input field 41b, an annual maximum output input field 41c, a power sale period input field 41d, a total power amount input field 41e, and a search button. It is composed of 41f and a clear button 41g.
In the power generation bidding group search condition input area 41, it is essential to specify the bidding area (selection of the bidding area selection tab 41a).

The bid area selection tab 41a is a drop-down list that displays bid area candidates (supply areas in Japan), and one bid area can be freely selected from the bid areas displayed on the bid area selection tab 41a. ing.
The total price input field 41b is a field for inputting a range of total prices set by the power generation bidding group.
The annual maximum output input field 41c is a field for inputting the range of the annual maximum output of the power generation bidding group.
The electric power sale period input field 41d is a field for inputting the target period for the electric power sale of the electric power seller.
The total electric energy input field 41e is a field for inputting the range of the total electric energy of the power generation bidding group.
The search button 41f is a button for transmitting an instruction to search for a power generation bidding group to the electric power trading system 10 based on the information input or selected in the total electric energy input field 41e from the bidding area selection tab 41a.
The clear button 41g is a button for deleting information input or selected in the total electric energy input field 41e from the bid area selection tab 41a.

In the power generation bidding group display area 42, information on the power generation bidding group transmitted from the power trading system 10 is displayed one group per line.
In the power generation bid group display area 42, the bid status and the power sale bid plan of each power generation bid group are displayed.
Further, each line of the power generation bidding group display area 42 is freely selectable.

The power generation forecast amount display area 43 is a column in which the power generation forecast amount of the entire power generation point is displayed as the power generation bid group selected in the power generation bid group display area 42, and specifically, a predetermined period corresponding to a predetermined condition. The transition of the amount of power generation for a predetermined time (for example, every 30 minutes) for a predetermined time (for example, one day) is displayed.

In the power selling bid plan display area 44, the power selling bid plan of the power generation bidding group selected in the power generation bidding group display area 42 is displayed.

The bidding button 45 transmits an instruction to bid for the power generation bidding group selected in the power generation bidding group display area 42 to the power trading system 10.

Returning to FIG. 8, the search for the power generation bidding group by the power purchaser will be further described.
The power purchaser inputs a search condition for searching for a power generation bid group to be procured in the power generation bid group search condition input area 41 by the power purchaser terminal BT.

Next, when the search button 41f is pressed by operating the power purchaser terminal BT, the power purchaser terminal BT sets the search condition of the power generation bid group input in the power generation bid group search condition input area 41 to the power trading system 10. (Step S124).

The power generation bid group search means 112 of the power transaction system 10 that has received the search condition of the power generation bid group searches for a power generation bid group that matches the received search condition (step S125).
Then, the power generation bid information transmission means 113 of the power trading system 10 transmits the search result (power generation bid information such as the power sale bid plan of the power generation bid group that matches the search condition) to the power purchaser terminal BT (step S126).

The power purchaser terminal BT that has received the search result from the power transaction system 10 displays the information of the power generation bid group in the power generation bid group display area 42 (step S127).

Next, the power purchaser selects a power generation bid group to be bid from the power generation bid group displayed in the power generation bid group display area 42 by the power purchaser terminal BT (step S128).
When the power purchaser selects the power generation bidding group to be bid on by the power purchaser terminal BT, the power purchaser terminal BT sends the power generation forecast amount of the selected power generation bidding group and the call command of the power sale bid plan to the power trading system 10. (Step S129).

Upon receiving the command to call the power generation bid group and the power sale bid plan selected by the power purchaser, the power trading system 10 sets the power generation bid group's power forecast amount and the power sale bid plan to the power purchaser terminal BT. (Step S130).

The power purchaser terminal BT that has received the power generation bid group's power forecast amount and the power sale bid plan displays the power generation forecast amount of the power generation bid group in the power generation forecast amount display area 43, and displays the power sale bid plan on the power sale bid plan. It is displayed in the area 44 (step S131).

When the bid button 45 is pressed by operating the power purchaser terminal BT, the power trading system 10 indicates that the bid is made to the power sale bid plan of the power generation bid group selected in the power generation bid group display area 42 (bid instruction). Is transmitted to (step S141).
Then, the electric power transaction system 10 that has received the bidding instruction registers in the bidding database 23a that the bidding has been entered in the power generation bidding group selected in the power generation bidding group display area 42 (that there was a bidding for selling electricity) (step). S142).

<3.2.3. Contract processing>
Next, the contract processing in step S160 will be described with reference to FIGS. 10 and 11.
FIG. 10 is a flowchart showing a contract procedure by the electric power trading system according to the embodiment of the present invention, and FIG. 11 shows an example of a power selling bid display screen displayed on the power seller terminal when searching for a power generation bidding group. It is a figure.

When the power seller confirms the bid for the power sale bid plan (power sale bid), the power seller accesses the power transaction system 10 by the power seller terminal ST and calls the power sale bid confirmation screen data (step S161). ).
Upon receiving the call for the power sale bid confirmation screen data, the power transaction system 10 transmits the power sale bid confirmation screen data to the power seller terminal ST (step S162).
As a result, the power seller terminal ST displays the power sale bid confirmation screen 50 as shown in FIG. 11 (step S163).

Here, the power sale bid confirmation screen 50 will be described.
The power sale bid confirmation screen 50 is composed of a power sale bid search condition input area 51, a power sale bid display area 52, and a contract button 53.

The power sale bid search condition input area 51 includes a power generation bid group name input field 51a, a supply area selection field 51b, a power sale period input field 51c, a bidder name input field 51d, and a power sale bid search button 51e. It is composed of a clear button 51f.

The power generation bid group name input field 51a is a field for inputting a keyword when searching for a registered power generation bid group.
The supply area selection column 51b is a column for selecting a supply area, and a plurality of supply areas can be freely selected.
The electric power sale period input field 51c is a field for inputting the electric power sale period set by the power generation bidding group.
The bidder name input field 51d is a field for inputting a keyword when searching for a bidder (power purchaser).
The power sale bid search button 51e is a button for transmitting an instruction to search for a power sale bid to the power trading system 10 based on the information input or selected from the power generation bid group name input field 51a to the bidder name input field 51d. ..
The clear button 51f is a button for deleting information input or selected from the power generation bid group name input field 51a to the bidder name input field 51d.

In the power selling bid display area 52, the power selling bid information transmitted from the power selling bid information transmitting means 115 of the electric power trading system 10 is displayed one by one per line.
In each line of the power sale bid display area 52, a power generation bid group name, a power source, a bidder, a power sale bid plan, and the like are displayed.
Further, each line of the power sale bid display area 52 is freely selectable.

The contract button 53 transmits the information of the power selling bid selected in the power selling bid display area 52 to the electric power trading system 10.

Returning to FIG. 10, the contract processing will be further described.
The power seller inputs search conditions for searching for a power selling bid that is convenient for the power seller in the power selling bid search condition input area 51 by the power selling terminal ST.
Then, when the power selling bid search button 51e is pressed by operating the power selling terminal ST, the power selling terminal ST sets the search condition of the power selling bid input in the power selling bid search condition input area 51 into the power trading system. It is transmitted to 10 (step S164).

The electric power transaction system 10 that has received the search condition for the power sale bid searches for the power sale bid for the power sale bid plan that matches the received search condition (step S165).
Then, the power selling bid information transmitting means 115 of the electric power transaction system 10 transmits the search result (information on the selling bid for the power selling bidding plan that matches the search condition) to the power selling terminal ST (step S166).

The power seller terminal ST that has received the search result from the power transaction system 10 displays the power sale bid that matches the search condition in the power sale bid display area 52 (step S167).

The power seller confirms the power generation bid displayed in the power sale bid display area 52 of the power sale bid confirmation screen 50 by the power seller terminal ST, selects the most favorable power sale bid, and presses the contract button 53. push.
When the contract button 53 is pressed by operating the power seller terminal ST, one power selling bid selected in the power selling bid display area 52 is transmitted to the power trading system 10 as a contract target (step S168).

Then, the power purchase contract registration means 116 of the electric power trading system 10 that has received the information of the power sale bid to be contracted registers one power sale bid in the bid database 23a (step S169).
This completes the long-term bilateral transaction between the seller and the buyer.

<3.2.4. Summary>
The power generation trading system 10 of the present embodiment configured in this way includes a power generation bidding group registration means 111 for registering a power generation bidding group composed of one or more power generation points under the jurisdiction of the power seller in the bidding database 23a, and the power generation bidding group registration means 111. The power generation bid group search means 112 for searching the power generation bid group registered in the bid database 23a based on the search conditions transmitted from the power purchaser terminal BT of the power purchaser, and the search results by the power generation bid group search means 112. By providing the power generation bid information transmission means 113 for transmitting the power generation bid information to the power generation buyer terminal BT of the power purchaser, the power purchaser can freely select the power generation bid group that has jurisdiction over a specific power generation point, and the power purchaser himself / herself. Since it is possible to procure power from the power generation bidding group selected by the power generation bid group, the power purchaser should realize power generation with a high degree of freedom, such as procuring power from the power generation bidding group that offered the cheapest selling price. Can be done.

Further, the power selling bid plan creating means 114 for creating the power selling bid plan of the power generation bidding group during the power selling period input from the power selling seller terminal ST of the power seller is further provided, the power generation bid information transmitting means is 113, and the power generation is performed. By transmitting the power sale bid plan to the power purchaser terminal BT of the power purchaser as a search result by the bid group search means 112, the power purchaser carefully examines the power generation bid group based on the power sale bid plan and then bids for power generation. Since the group can be selected, the matching accuracy between the power buyer and the power seller can be improved.

In recent years, due to heightened environmental awareness, there has been an increasing demand for RE100 (100% of the energy required for business operations is covered by renewable energy). Even if I could select it, I could not identify the power source.
However, since the power sale bid plan includes information that identifies the power source of the power generation bid group, the power purchaser can select the power generation bid group that has jurisdiction over the specific power source, so that the power purchaser can operate the business. It is possible to easily realize electric power procurement such that the energy required for electricity is 100% renewable energy.

Further, the power selling bid information transmitting means 115 for transmitting the information of the power selling bid of the power buyer for the power selling bid plan to the power seller terminal ST of the power seller, and one selected based on the operation of the power seller. By further providing the power purchase contract registration means 116 for registering the power sale bid in the bid database 23a, the power purchaser can select the power seller to purchase the power after confirming the bid conditions. , The matching accuracy between the power buyer and the power seller can be further improved.

<3.3. Electricity sales by electricity sellers>
Subsequently, the procedure for selling electric power by the seller will be described with reference to FIGS. 12 to 18.

First, an outline of the electric power sales procedure by the power seller will be described with reference to FIG. 12.
FIG. 12 is a flowchart showing a power sales procedure by a power seller using the power trading system according to the embodiment of the present invention.

When the power seller selects a demand bidding group and sells electric power, as shown in FIG. 12, the power purchaser first registers the demand bidding group in advance (step S200), and then the power seller. Searches for a demand bidding group (step S220) and makes a bid for a power purchase bid plan (step S240).
After that, the power purchaser confirms the power purchase bid and performs the contract processing (step S260).
Hereinafter, each step will be described in detail.

<3.3.1. Registration of demand bidding group>
First, the registration of the demand bidding group by the power purchaser in step S200 will be described with reference to FIGS. 13 to 14B.
FIG. 13 is a flowchart showing a procedure for registering a demand bidding group by the electric power trading system according to the embodiment of the present invention, and FIGS. 14A and 14B are demand bids displayed on the power purchaser terminal when the demand bidding group is registered. It is a figure which shows an example of a group setting screen.

When the power purchaser registers the demand bid group, the power purchaser accesses the power transaction system 10 by the power purchaser terminal BT and calls the demand bid group setting screen data (step S201).
The electric power transaction system 10 that has received the call of the demand bid group setting screen data transmits the demand bid group setting screen data to the power purchaser terminal BT (step S202).
As a result, the power purchaser terminal BT displays the demand bidding group setting screen 60 as shown in FIGS. 14A and 14B (step S203).

Here, the demand bidding group setting screen 60 will be described.
The demand bid group setting screen 60 includes a demand bid group information input area 61, a supply point search condition input area 62, a demand bid group registration area 63, a demand amount simulation area 64, and a power purchase desired unit price input area 95. , The power purchase bid plan display area 66, the power purchase bid plan registration button 67, and the return button 68.

The demand bid group information input area 61 is composed of a bid area selection tab 61a and a demand bid group name input field 61b.
In the demand bid group information input area 61, it is essential to specify the bid area (select the bid area selection tab 61a) and input the demand bid group name (input to the demand bid group name input field 61b). There is.

The bid area selection tab 61a is a drop-down list that displays bid area candidates (supply areas in Japan), and one bid area can be freely selected from the bid areas displayed on the bid area selection tab 61a. ing.
The demand bid group name input field 61b is a field for inputting the name of the demand bid group to be registered from now on.

The supply point search condition input area 62 includes a search condition input field 62a, a search button 62b, and a clear button 62c.
The search condition input field 62a is a field for inputting a keyword for searching a predetermined supply point from the supply points registered in advance.
The search button 62b is a button for transmitting an instruction to search for a supply point to the electric power transaction system 10 based on the information input in the search condition input field 62a.
The clear button 62c is a button for deleting the information input in the search condition input field 62a.

The demand bid group registration area 63 is composed of a supply point display column 63a, a demand bid group display column 63b, an add button 63c, and a delete button 63d.
The supply point display column 63a is a column in which the name of the supply point, which is one of the supply point information transmitted from the electric power transaction system 10, is displayed one supply point per line, and each line can be freely selected. There is.
The demand bid group display column 63b is a column in which the names of the supply points constituting the candidates of the demand bid group are displayed one by one in one line, and each line can be freely selected.
The add button 63c is a button for adding the supply point selected in the supply point display field 63a to the supply bid group display field 33b.
The delete button 63d is a button for deleting the supply point selected in the supply bid group display field 63b from the supply bid group display field 63b.

The demand amount simulation display area 64 is composed of a demand amount simulation button 64a and a demand amount simulation column 64b.
The demand amount simulation button 64a is a button for transmitting a command to the electric power trading system 10 to add up the electric power demand forecast amount of the supply point displayed in the demand bid group display column 63b.
The demand amount simulation column 64b is a column in which the electric power demand forecast amount of the entire supply point (demand bid group candidate) displayed in the demand bid group display column 63b transmitted from the electric power trading system 10 is displayed, and is specific. Displays the transition of the power demand forecast amount for a predetermined time (for example, every 30 minutes) for a predetermined period (for example, one year).

The power purchase desired unit price input area 65 includes a power purchase desired unit price input field 65a and a power purchase bid plan display button 65b.
The power purchase desired unit price input field 65a is a field for inputting the power purchase desired unit price to be registered in the power purchase bid plan.
The power purchase bid plan display button 65b causes the power purchase bid plan creation means 124 of the power trading system 10 to create a power purchase bid plan for the demand bid group candidate, and causes the power purchaser terminal BT to send the power purchase bid plan. Is a button for transmitting to the power trading system 10.

In the power purchase bid plan display area 66, the power purchase bid plan of the demand bid group candidate received from the power transaction system 10 is displayed.
Specifically, as a power purchase bid plan, the total electric energy as a demand bid group candidate [MWh], the average electric energy used as a demand bid group candidate [kWh / day], and the annual maximum electric energy as a demand bid group candidate [kW]. ], Desired unit price for power purchase as a candidate for a demand bid group [yen / kWh], Total price (total electric energy as a candidate for a demand bid group x desired unit price for power purchase as a candidate for a demand bid group) [yen], Candidate for a demand bid group Demand bid group Contains information that identifies the estimated amount of electricity demand.
The "demand bid group candidate power demand forecast amount" referred to here is a value obtained by adding up the power consumption forecast amount for each unit time of each supply point constituting the demand bid group, and is a demand bid group. It is a transition of the power consumption forecast amount for each unit time (for example, 30 minutes) as a candidate.

The power purchase bid plan registration button 67 registers the demand bid group candidate displayed in the demand bid group display field 63b as a demand bid group in the bid database 23a, and the contents input in the demand bid group information input area 61 and the purchase. The power purchase bid plan displayed in the power bid plan display area 66 is also a button for transmitting an instruction to be registered in the bid database 23a associated with the information of the power generation points constituting the demand bid group to the power trading system 10.
The return button 68 is a button for transitioning from the demand bidding group setting screen 60 to another screen (for example, an initial screen).

Returning to FIG. 13, the registration of the demand bidding group by the power purchaser will be further described.
The power purchaser inputs the information of the demand bid group to be registered in the demand bid group information input area 61 by the power purchaser terminal BT.

Next, the power purchaser inputs information for searching a supply point that is a candidate for the demand bidding group registered in the power transaction system 10 by the power purchaser terminal BT in the search condition input field 62a.
Then, when the search button 62b is pressed by operating the power purchaser terminal BT, the power purchaser terminal BT transmits the search condition of the supply point input in the supply point search condition input area 62 to the electric power trading system 10. (Step S204).

The electric power transaction system 10 that has received the search condition of the supply point searches for a supply point that matches the received search condition (step S205).
Then, the electric power transaction system 10 transmits the search result (information on the supply point corresponding to the received search condition) to the power purchaser terminal BT (step S206).

The power purchaser terminal BT that has received the search result from the electric power transaction system 10 displays the supply point that matches the received search condition in the supply point display field 63a of the demand bidding group registration area 63 (step S207).

Next, the power purchaser selects a supply point for which a demand bid group is to be formed from the supply points displayed in the supply point display field 63a of the demand bid group registration area 63 by the power purchaser terminal BT, and presses the add button 63c. ..
As a result, the candidates for the demand bidding group are displayed in the demand bidding group display field 63b (step S208).

Next, it is determined whether or not the power purchaser terminal BT has accepted the command for simulating the demand amount (step S209).
When the average demand amount display button 64a is pressed by operating the power purchaser terminal BT, it is assumed that the power purchaser terminal BT has received the command to simulate the demand amount, and the instruction to simulate the demand amount and the demand bidding group. Information on the supply point that is a candidate for is transmitted to the electric power trading system 10, and the process proceeds to step S210.
When the demand amount simulation button 64a is not pressed, the power purchaser inputs the power purchase desired unit price in the power purchase desired unit price input field 65a of the power purchase desired unit price input area 65 by the power purchaser terminal BT, and steps. Proceed to S213.

In step S210, the electric power trading system 10 that has received the instruction to simulate the demand amount is the demand amount of the candidate of the demand bidding group based on the electric power demand forecast amount of each supply point calculated by the electric power demand forecast amount calculation means 320. Create a simulation of.
Then, the electric power transaction system 10 transmits the simulated result to the power purchaser terminal BT (step S211).
The power purchaser terminal BT that has received the simulated result of the average power generation amount of the demand bidding group displays the simulated result in the demand amount simulation column 64b (step S212).
Then, the power purchaser inputs the power purchase desired unit price in the power purchase desired unit price input field 65a of the power purchase desired unit price input area 65 by the power purchaser terminal BT.

When the power purchase bid plan display button 65b is pressed by operating the power purchaser terminal BT, the power purchaser terminal BT displays the information input in the demand bid group information input area 61 and the demand bid group display field 63b. Information on the displayed supply points that are candidates for the demand bidding group and information on creating a power purchase bid plan such as the power purchase desired unit price input in the power purchase desired unit price input field 65a are transmitted to the power trading system 10 ( Step S213).

Next, the power purchase bid plan creation means 124 of the power trading system 10 creates a power purchase bid plan for a candidate of the demand bidding group from the power purchase bid plan creation information received from the power purchaser terminal BT (step S214). The power purchase bid plan is transmitted to the power purchaser terminal BT (step S215).

The power purchaser terminal BT that has received the power purchase bid plan from the power transaction system 10 displays the power purchase bid plan in the power purchase bid plan display area 66 (step S216).
When the power purchase bid plan registration button 67 is pressed by operating the power purchaser terminal BT, the power purchaser terminal BT transmits an instruction to register the power purchase bid plan in the bid database 23a to the power trading system 10 ( Step S217).
The demand bidding group registration means 121 of the power trading system 10 that has received the registration instruction of the power purchase bid plan uses the power purchase bid plan transmitted to the power purchaser terminal BT as the power purchase bid plan of the power generation bid group in the bid database 23a. Register (step S218).

<3.3.2. Search for demand bidding groups and bids for power purchases>
Next, the search for the demand bidding group by the power seller in step S220 and the power purchase bid in step S240 will be described with reference to FIGS. 15 and 16.
FIG. 15 is a flowchart showing a search procedure of a demand bidding group by the electric power trading system according to an embodiment of the present invention, and FIG. 16 is a demand bidding group search screen displayed on a power purchaser terminal when searching for a demand bidding group. It is a figure which shows an example.

When the power seller searches for the demand bid group, the power seller accesses the power transaction system 10 by the power seller terminal ST and calls the demand bid group search screen data (step S221).
The electric power transaction system 10 that has received the call of the demand bid group search screen data transmits the search screen data to the demand bid group power seller terminal ST (step S222).
As a result, the power seller terminal ST displays the demand bidding group search screen 70 as shown in FIG. 16 (step S223).

Here, the demand bidding group search screen 70 will be described.
The demand bid group search screen 70 is composed of a demand bid group search condition input area 71, a demand bid group display area 72, a demand forecast amount display area 73, a power purchase bid plan display area 74, and a bid button 75. ing.

The demand bid group search condition input area 71 is composed of a bid area selection tab 71a, a total price input field 71b, an annual maximum output input field 71c, a total electric energy input field 71d, a search button 71e, and a clear button 71f. It is configured.
In the demand bidding group search condition input area 71, it is essential to specify the bidding area (selection of the bidding area selection tab 71a).

The bid area selection tab 71a is a drop-down list that displays bid area candidates (supply areas in Japan), and one bid area can be freely selected from the bid areas displayed on the bid area selection tab 71a. ing. The total price input field 71b is a field for inputting a range of total prices set by the demand bidding group.
The annual maximum output input field 71c is a field for inputting the range of the annual maximum demand amount of the demand bidding group.
The total electric energy input field 71d is a field for inputting the range of the total demand amount of the demand bidding group.
The search button 71e is a button for transmitting an instruction to search the demand bidding group to the electric power trading system 10 based on the information input or selected in the total electric energy input field 71d from the bidding area selection tab 71a.
The clear button 71f is a button for deleting information input or selected in the total electric energy input field 71d from the bid market selection tab 71a.

In the demand bidding group display area 72, the information of the demand bidding group transmitted from the electric power trading system 10 is displayed one group per line.
In the demand bid group display area 72, the bid status and the power purchase bid plan of each demand bid group are displayed.
Further, each row of the demand bid group display area 72 is freely selectable.

The demand forecast amount display area 73 is a column in which the power demand forecast amount of the entire supply point is displayed as the demand bid group selected in the demand bid group display area 72, and specifically, a predetermined condition corresponding to a predetermined condition is satisfied. The transition of the power demand forecast amount for a predetermined time (for example, every 30 minutes) of the period (for example, one day) is displayed.

In the power purchase bid plan display area 74, the power purchase bid plan of the demand bid group selected in the demand bid group display area 72 is displayed.

The bidding button 75 transmits an instruction to bid for the demand bidding group selected in the demand bidding group display area 72 to the electric power trading system 10.

Returning to FIG. 15, the search for the demand bidding group by the power seller will be further described.
The power seller inputs a search condition for searching the demand bid group for which power is to be procured in the demand bid group search condition input area 71 by the power seller terminal ST.

Next, when the search button 71f is pressed by operating the power seller terminal ST, the power seller terminal ST sets the search condition of the demand bid group input in the demand bid group search condition input area 71 to the power trading system 10. (Step S224).

The demand bid group search means 122 of the electric power transaction system 10 that has received the search condition of the demand bid group searches for a demand bid group that matches the received search condition (step S225).
Then, the demand bid information transmission means 123 of the electric power trading system 10 transmits the search result (information such as the power purchase bid plan of the demand bid group that matches the search condition) to the power seller terminal ST (step S226).

The power seller terminal ST that has received the search result from the electric power transaction system 10 displays the information of the demand bidding group in the demand bidding group display area 72 (step S227).

Next, the power seller selects a demand bid group to be bid from the demand bid groups displayed in the demand bid group display area 72 by the power seller terminal ST (step S228).
When the power seller selects the demand bidding group to be bid by the power seller terminal ST, the power seller terminal ST sends the demand forecast amount of the selected demand bidding group and the call command of the power purchase bid plan to the power trading system 10. (Step S229).

Upon receiving the instruction to call the demand forecast amount and the power purchase bid plan of the demand bid group selected by the power seller, the power trading system 10 sets the demand forecast amount and the power purchase bid plan of the demand bid group to the power seller terminal ST. (Step S230).

The power seller terminal ST that has received the demand forecast amount and the power purchase bid plan of the demand bid group displays the demand forecast amount of the demand bid group in the demand forecast amount display area 73, and displays the power purchase bid plan in the power purchase bid plan display. It is displayed in the area 74 (step S231).

When the bid button 75 is pressed by operating the power seller terminal ST, the power trading system 10 indicates that the bid is bid for the power purchase bid plan of the demand bid group selected in the demand bid group display area 72 (bid instruction). Is transmitted to (step S241).
Then, the electric power trading system 10 that has received the bidding instruction registers in the bidding database 23a that the bidding has been entered in the demand bidding group selected in the demand bidding group display area 72 (that the bidding has been made) (step). S242).

<3.3.3. Contract processing>
Next, the contract processing in step S260 will be described with reference to FIGS. 17 and 18.
FIG. 10 is a flowchart showing a contract procedure by the electric power trading system according to the embodiment of the present invention, and FIG. 18 shows an example of a power purchase bid display screen displayed on the power purchaser terminal when searching for a demand bidding group. It is a figure.

When the power purchaser confirms the bid for the power purchase bid plan (power purchase bid), the power purchaser accesses the power transaction system 10 by the power purchaser terminal BT and calls the power purchase bid confirmation screen data (step S261). ).
Upon receiving the call for the power purchase bid confirmation screen data, the power transaction system 10 transmits the power purchase bid confirmation screen data to the power purchaser terminal BT (step S262).
As a result, the power purchaser terminal BT displays the power purchase bid confirmation screen 80 as shown in FIG. 18 (step S263).

Here, the power purchase bid confirmation screen 80 will be described.
The power purchase bid confirmation screen 80 is composed of a power purchase bid search condition input area 81, a power purchase bid display area 82, and a contract button 83.

The power purchase bid search condition input area 81 is composed of a demand bid group name input field 81a, a bidder name input field 81b, a power purchase bid search button 81c, and a clear button 81d.

The demand bid group name input field 81a is a field for inputting a keyword when searching for a registered demand bid group.
The bidder name input field 81b is a field for inputting a keyword when searching for a bidder (power seller).
The power purchase bid search button 81c is a button for transmitting an instruction to search for a power purchase bid to the electric power trading system 10 based on the information input in the demand bid group name input field 81a and the bidder name input field 81b.
The clear button 81d is a button for deleting the information selected in the demand bid group name input field 81a and the bidder name input field 81b.

In the power purchase bid display area 82, the power purchase bid information transmitted from the power purchase bid information transmitting means 125 of the electric power trading system 10 is displayed one by one per line.
In each line of the power purchase bid display area 82, a demand bid group name, bidders, power purchase bid plans, and the like are displayed.
Further, each line of the power purchase bid display area 82 can be freely selected.

The contract button 83 transmits information on the power purchase bid selected in the power purchase bid display area 82 to the power trading system 10.

Returning to FIG. 17, the contract processing will be further described.
The power purchaser inputs a search condition for searching for a power purchase bid that is convenient for the power purchaser in the power generation bid search condition input area 81 by the power purchaser terminal BT.
Then, when the power purchase bid search button 81c is pressed by operating the power purchaser terminal BT, the power purchaser terminal BT sets the search condition of the power sale bid input in the power generation bid search condition input area 81 to the power trading system 10. (Step S264).

The electric power transaction system 10 that has received the search condition for the power purchase bid searches for a power purchase bid for the power purchase bid plan that matches the received search condition (step S265).
Then, the power purchase bid information transmission means 125 of the electric power transaction system 10 transmits the search result (information on the power purchase bid for the power purchase bid plan that matches the search condition) to the power purchaser terminal BT (step S266).

The power purchaser terminal BT that has received the search result from the power transaction system 10 displays the power purchase bid that matches the search condition in the power purchase bid display field 82 (step S267).

The power purchaser confirms the power purchase bid displayed in the power purchase bid display field 82 of the power purchase bid confirmation screen 80 by the power purchaser terminal BT, selects the most favorable power purchase bid, and selects the contract button 83. Press.
When the contract button 83 is pressed by operating the power purchaser terminal BT, one power purchase bid selected in the power purchase bid display field 82 is transmitted to the power transaction system 10 as a contract target (step S268).

Then, the power selling contract registration means 216 of the electric power trading system 10 that has received the information of the power purchase bid to be contracted registers one power purchase bid in the bid database 23a (step S269).
This completes the long-term bilateral transaction between the power buyer and the power seller.

<3.2.4. Summary>
The electric power trading system 10 of the present embodiment configured in this way includes a demand bidding group registration means 121 for registering a demand bidding group composed of one or more supply points under the jurisdiction of the purchaser in the bidding database 23a, and the demand bidding group registration means 121. The demand bid group search means 122 for searching the demand bid group registered in the bid database 23a based on the search conditions transmitted from the power seller terminal ST of the power seller, and the search results by the demand bid group search means 122. By providing the demand bid information transmitting means 123 for transmitting the power to the power seller terminal ST of the power seller, the power seller can freely select the demand bid group that has jurisdiction over a specific supply point, and the power seller himself. Since power can be purchased from the demand bidding group selected by the power seller, it is possible to realize power procurement with a high degree of freedom for the power seller, such as procuring the demand bidding group that offers the highest bid price. ..

Further, the power purchase bid plan creation means 124 for creating the power purchase bid plan of the demand bid group in the power purchase period input from the power purchaser terminal BT of the power purchaser is further provided, and the demand bid information transmission means 123 is in demand. By transmitting the power purchase bid plan to the power seller terminal ST of the power seller as a search result by the bid group search means 122, the power seller carefully examines the demand bid group based on the power purchase bid plan and then makes a demand bid. Since the group can be selected, the matching accuracy between the power buyer and the power seller can be improved.

Further, the actual power consumption acquisition means 310 for acquiring the actual power consumption of the supply point up to the predetermined time, and the power demand forecast amount for each unit time of the supply point after the predetermined time based on the actual power consumption of the supply point. The power purchase bid plan created by the power purchase bid plan creation means 124 further includes the power demand forecast amount calculation means 320 for calculating the power consumption forecast amount for each unit time of each supply point belonging to the demand bid group. The demand bid group power demand forecast amount, which is the sum of the power consumption forecast amount for each unit time of each supply point belonging to the demand bid group, is transmitted by the demand bid information transmission means by including the power demand forecast amount of the demand bid group. Therefore, the power seller can confirm the magnitude of the time change of the power consumption of the power purchaser and realize the power sale.

Further, the power purchase bid information transmitting means 125 that displays the power purchase bid information of the power seller for the power purchase bid plan on the power purchaser terminal BT of the power purchaser, and one purchase selected based on the operation of the power purchaser. By further providing the power selling contract registration means 126 for registering the power bill in the bid database, the power purchaser can select the power seller to purchase the power after confirming the bid conditions. It is possible to further improve the matching accuracy between the electric power person and the electric power seller.

<4. Modification example>
Although the examples of the present invention have been described above, the present invention is not limited to the above.

For example, one power purchaser may purchase power from a plurality of power sellers using the power trading system of this embodiment.
Similarly, one electric power seller may sell electric power to a plurality of electric power buyers by using the electric power trading system of this embodiment.

For example, in this embodiment, the other electric power trading system is a JEPX electric power trading system, but the other electric power trading system is an electric power trading system other than JEPX if it is an electric power trading system for physical and forward trading of electric power. It may be a system.

For example, the electric power trading system 10 may be composed of a plurality of processing devices 20.
Specifically, the storage unit and the processing unit may be configured as separate processing devices.

For example, in the present embodiment, the processing performed by the electric power trading system 10 may be performed by the power seller terminal ST or the power purchaser terminal BT.

For example, in this embodiment, the "environmental data" may be meteorological data, forecast data, or calendar data stored in the meteorological database DB, but the situation around the power generation point for which the predicted power generation amount is to be calculated. The data is not limited to this as long as it is data related to the situation around the supply point for which the forecast amount of power demand is to be calculated.

For example, in this embodiment, various information is stored in the storage unit 23 of the processing device 20, but these information are not limited to storage in the storage unit 23, and are stored in, for example, a blockchain database. You may.

10 ・ ・ ・ Electricity transaction system 100 ・ ・ ・ Long-term bilateral transaction subsystem 110 ・ ・ ・ Power purchase transaction component 111 ・ ・ ・ Power generation bid group registration means 112 ・ ・ ・ Power generation bid group search means 113 ・ ・ ・ Power generation bid information transmission Means 114 ・ ・ ・ Power sale bid plan creation means 115 ・ ・ ・ Power sale bid information transmission means 116 ・ ・ ・ Power purchase contract registration means 120 ・ ・ ・ Power sale transaction component 121 ・ ・ ・ Demand bid group registration means 122 ・ ・・ Demand bid group search means 123 ・ ・ ・ Demand bid information transmission means 124 ・ ・ ・ Power purchase bid plan creation means 125 ・ ・ ・ Power purchase bid information transmission means 126 ・ ・ ・ Power purchase contract registration means 200 ・ ・ ・ Short-term supply and demand Adjustment subsystem 300 ・ ・ ・ Common subsystem 310 ・ ・ ・ Actual power consumption acquisition means 320 ・ ・ ・ Power demand forecast amount calculation means 330 ・ ・ ・ Power generation amount acquisition means 340 ・ ・ ・ Power generation forecast amount calculation means

20 ・ ・ ・ Processing device 21 ・ ・ ・ Communication unit 22 ・ ・ ・ Input unit 23 ・ ・ ・ Storage unit 23a ・ ・ ・ Bid database 24 ・ ・ ・ Processing unit

DB ・ ・ ・ Meteorological database NW ・ ・ ・ Network FSM ・ ・ ・ Forward power flow measurement meter RSM ・ ・ ・ Reverse power flow measurement meter ES ・ ・ ・ Other power trading system BT ・ ・ ・ Power purchaser terminal ST ・ ・ ・ Power sale Person terminal

The present invention relates to an electric power trading system, an electric power trading method, and an electric power trading program that support electric power trading between a power purchaser who wants to purchase electric power and a power seller who wants to sell electric power.

From April 1, 2016, the entry into the electricity retail business was completely liberalized, and electric power, which was previously only able to contract with the electric power company (former general electric power company) decided in the region, has newly entered. It is now possible to freely select and contract an electric power company, including new electric power.

Therefore, there is known an electric power trading system in which an electric power purchaser can purchase electric power from an optimal electric power seller in order to reduce the electric power procurement cost (for example, Non-Patent Document 1).

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The above-mentioned electric power trading system is a system used by electric power buyers, and cannot be used by electric power sellers who want to sell electricity at the highest possible price.
In addition, the power purchaser could freely select the power generation bidding group that has jurisdiction over a specific power generation point, and could not procure power from the power generation bidding group selected by the power purchaser himself.
Therefore, in the conventional electric power trading system, it is not possible to realize electric power trading with a high degree of freedom for electric power traders such as electric power buyers and electric power sellers, and there is room for further improvement.

Therefore, the present invention solves the problems of the prior art as described above, that is, the object of the present invention is an electric power trading system and an electric power trading method that realizes electric power trading with a high degree of freedom for electric power traders. And to provide an electricity trading program.

The invention according to claim 1 includes a processing device and a bidding database, and is connected to a power purchaser terminal of a power purchaser who wants to purchase power and a power seller terminal of a power seller who wants to sell power. A power trading system that supports a power transaction between the power purchaser and the power seller, wherein the power seller terminal processes the information of the power generation bidding group regarding the power generation point under the jurisdiction of the power seller. The power purchaser terminal transmits the search condition regarding the power generation bidding group to the processing device, and the processing device transmits the power generation bid group based on the instruction from the power seller terminal. The information of the power generation bid group composed of two or more power generation points under the jurisdiction of the electrician is registered in the bid database, or the power generation bid group composed of two or more power generation points and the power generation point of 1. The power generation bid group registration means for registering the information of the power generation bid group composed of the above in the bid database and the information of the power generation bid group registered in the bid database are transmitted from the power purchaser terminal of the power purchaser. By providing a power generation bid group search means for searching based on the search condition and a power generation bid information transmission means for transmitting the search result by the power generation bid group search means to the power purchaser terminal of the power purchaser. , It solves the above-mentioned problems.

In the invention according to claim 2, in addition to the configuration of the electric power trading system according to claim 1, the power generation bidding group in the electric power sale period in which the processing apparatus is input from the electric power seller terminal of the electric power seller. The power generation bid information transmission means of the processing device further comprises a power sale bid plan creation means for creating the power sale bid plan of the power generation bid group, and the power generation bid information transmission means of the power generation bid group is used as a search result by the power generation bid group search means. By transmitting to the power purchaser terminal, the above-mentioned problems are further solved.

The invention according to claim 3 has the above-mentioned problem because, in addition to the configuration of the electric power trading system according to claim 2, the electric power sale bidding plan includes information for specifying the electric power source of the power generation bidding group. Is a further solution.

In the invention according to claim 4, in addition to the configuration of the electric power trading system according to claim 2 or 3, the processing apparatus provides information on the electricity selling bid of the electricity purchaser with respect to the electricity selling bidding plan. A means for transmitting power-selling bid information to be transmitted to the power-selling terminal of the power-selling person, and a means for registering a power-buying contract for contract registration of one of the power-selling bids selected based on the operation of the power-selling person in the bidding database. By further providing the above-mentioned problems, the above-mentioned problems can be further solved.

The invention according to claim 5 includes a processing device and a bidding database, and is connected to a power purchaser terminal of a power purchaser who wants to purchase power and a power seller terminal of a power seller who wants to sell power. An electric power trading system that supports an electric power transaction between the electric power purchaser and the electric power seller, and the electric power purchaser terminal processes the information of a demand bidding group regarding a supply point under the jurisdiction of the electric power purchaser. The power seller terminal transmits the search condition regarding the demand bidding group to the processing device, and the processing device transmits the search condition to the processing device, and the processing device transmits the purchase based on an instruction from the power purchaser terminal. The information of the demand bidding group consisting of two or more supply points under the jurisdiction of the electrician is registered in at least the bidding database, or the demand bidding group consisting of two or more supply points and the supply of 1. The demand bid group registration means for registering the information of the demand bid group composed of points in the bid database and the information of the demand bid group registered in the bid database are transmitted from the power seller terminal of the power seller. It is provided with a demand bid group search means for searching based on the search condition and a demand bid information transmission means for transmitting the search result by the demand bid group search means to the power seller terminal of the power seller. This solves the above-mentioned problems.

In the invention according to claim 6, in addition to the configuration of the electric power trading system according to claim 5, the demand bidding group in the electric power purchase period in which the processing device is input from the electric power purchaser terminal of the electric power purchaser. The power purchase bid plan creation means for creating the power purchase bid plan is further provided, and the demand bid information transmission means of the processing device uses the power purchase bid plan as a search result by the demand bid group search means of the power seller. By transmitting to the power seller terminal, the above-mentioned problems are further solved.

In the invention according to claim 7, in addition to the configuration of the electric power trading system according to claim 5, the electric power actual consumption acquisition means for the processing apparatus to acquire the actual electric power consumption at the supply point up to a predetermined time. Further, the power purchase bid plan is further provided with a power demand forecast amount calculation means for calculating the power demand forecast amount for each unit time of the supply point after a predetermined time based on the power actual consumption amount of the supply point. The above-mentioned problem is further solved by including the demand bid group power demand forecast amount which is the sum of the power consumption forecast amount for each unit time of each supply point constituting the demand bid group.

In the invention according to claim 8, in addition to the configuration of the electric power trading system according to claim 6 or 7, the processing apparatus provides information on the power purchase bid of the power seller for the power purchase bid plan. A means for transmitting power purchase bid information displayed on the power purchaser terminal of the power purchaser, and a power selling contract registration means for contracting and registering one of the power purchase bids selected based on the operation of the power purchaser in the bid database. By further providing the above-mentioned problems, the above-mentioned problems can be further solved.

The invention according to claim 9 includes a processing device having a power generation bid group registration means, a power generation bid group search means, and a power generation bid information transmission means, and a bid database, and is a power purchaser of a power purchaser who wishes to purchase power. A power trading method for supporting a power transaction between the power purchaser and the power seller by a power trading system to which the terminal and the power seller terminal of the power seller who wishes to sell the power are connected. Whether the power generation bid group registration means of the processing device registers at least the information of the power generation bid group composed of two or more power generation points under the jurisdiction of the power seller in the bid database based on the instruction from the power seller terminal. , Or the step of registering the information of the power generation bid group composed of two or more power generation points and the power generation bid group composed of one power generation point in the bid database, and the power generation bid group search of the processing device. The means is a step of searching the information of the power generation bid group registered in the bid database based on the search condition transmitted from the power purchaser terminal of the power purchaser, and the power generation bid information transmission means of the processing device. Is provided with a step of transmitting the search result by the power generation bidding group search means to the power purchaser terminal of the power purchaser, thereby solving the above-mentioned problem.

The invention according to claim 10 includes a processing device having a demand bid group registration means, a demand bid group search means, and a demand bid information transmission means, and a bid database, and is a power purchaser of a power purchaser who wishes to purchase power. A power trading method for supporting a power transaction between the power purchaser and the power seller by a power trading system to which the terminal and the power seller terminal of the power seller who wishes to sell the power are connected. Whether the demand bid group registration means of the processing device registers at least the information of the demand bid group composed of two or more supply points under the jurisdiction of the power purchaser in the bid database based on the instruction from the power purchaser terminal. , Or the step of registering the information of the demand bidding group composed of two or more supply points and the demand bidding group composed of one supply point in the bid database, and the demand bid group search of the processing device. A step of searching the information of the demand bid group registered in the bid database based on the search condition transmitted from the power seller terminal of the power seller, and a demand bid information transmission means of the processing device. Is provided with a step of transmitting the search result by the demand bidding group search means to the power seller terminal of the power seller, thereby solving the above-mentioned problem.

The invention according to claim 11 is an electric power trading program that supports an electric power transaction between a power purchaser who wants to purchase electric power and a power seller who wants to sell electric power, and is claimed 9 or 10. The above-mentioned problem is solved by causing the processing apparatus to execute each step of the electric power trading method described in the above.

Here, the "power purchaser" in the present invention is a person who has jurisdiction over one or more electricity supply points specified by the supply point identification number, and is assigned a supply point identification number (electricity). (Consumers, etc. who are the main contractors of various contracts) and those who are not assigned a supply point specific number (a retail electricity company that supplies electricity to consumers, an agent (agency for the conclusion of retail supply contracts) Person), etc.).
Further, the "power seller" in the present invention is a person who has jurisdiction over one or more power generation points of electricity specified by the power receiving point identification number, and possesses a power generation facility in which the power receiving point identification number is set. (Power generation companies under the Electricity Business Law such as electric power companies and gas companies, power generation equipment owners who own power generation equipment and wish to sell the power generated by the power generation equipment), and the power receiving point identification number Those who do not own the set power generation equipment but have concluded a contract (power generation adjustment supply contract) with the power transmission and distribution company that is responsible for power generation adjustment (power generation adjustment supply contract) (retail electric power company, it is effective to bundle the power demand of consumers It means an aggregator, etc. that provides energy management services to.
Further, the "jurisdiction" in the present invention includes not only the meaning of "ownership" but also the meaning of "management by contract".

According to the power generation trading system of the invention according to claim 1, the processing device obtains information of a power generation bidding group composed of two or more power generation points under the jurisdiction of the power seller based on an instruction from the power seller terminal. A power generation bid group registration means that registers at least the information of the power generation bid group consisting of two or more power generation points and the power generation bid group consisting of one power generation point in the bid database. Buy the power generation bid group search method that searches the power generation bid group information registered in the bid database based on the search conditions sent from the power purchaser terminal of the power purchaser, and the search results by this power generation bid group search method. By providing a means for transmitting power generation bid information to be transmitted to the power purchaser terminal of the power purchaser, the power purchaser can freely select the power generation bid group that has jurisdiction over a specific power generation point, and the power generation selected by the power purchaser himself. Since it is possible to procure power from the bidding group, the power purchaser can realize power procurement with a high degree of freedom for the power purchaser, such as procuring power from the power generation bidding group that offers the cheapest selling price.

According to the power trading system of the invention according to claim 2, in addition to the effect of the power trading system of the invention according to claim 1, the processing apparatus has a power sale period input from the power seller terminal of the power seller. Further equipped with a means for creating a power-selling bid plan for creating a power-selling bid plan for a power generation bid group in By sending to the power purchaser terminal, the power purchaser can select the power generation bid group after carefully examining the power generation bid group based on the power sale bid plan, so that the matching accuracy between the power purchaser and the power seller can be selected. Can be improved.

According to the electric power trading system of the invention according to claim 3, in addition to the effect of the electric power trading system of the invention according to claim 2, the electric power sale bidding plan includes information specifying the electric power source of the power generation bidding group. This allows the power purchaser to select a power generation bidding group that has jurisdiction over a specific power source, so that the power purchaser can easily realize power procurement such that the energy required for business operation is 100% renewable energy. be able to.

According to the electric power trading system of the invention according to claim 4, in addition to the effect of the electric power trading system of the invention according to claim 2 or 3, the processing apparatus sells the electric power of the power purchaser to the electric power selling bidding plan. A power-selling bid information transmitting means for transmitting bid information to the power-selling terminal of the power-selling person, and a power-buying contract registration means for contract-registering one power-selling bid selected based on the operation of the power-selling person in the bid database. By further providing, the power purchaser can select the power seller who purchases the power after confirming the bid conditions, so that the matching accuracy between the power purchaser and the power seller can be further improved. Can be done.

According to the power trading system of the invention according to claim 5, the processing device obtains information of a demand bidding group composed of two or more supply points under the jurisdiction of the power purchaser based on an instruction from the power purchaser terminal. A demand bidding group registration means for registering at least information in the bidding database or registering information in the bidding database for a demand bidding group consisting of two or more supply points and a demand bidding group consisting of one supply point. The demand bid group search method for searching the information of the demand bid group registered in the bid database based on the search conditions sent from the power seller terminal of the power seller, and the search results by this demand bid group search method are sold. By providing a demand bid information transmission means for transmitting to the power seller terminal of the power seller, the power seller can freely select the demand bid group that has jurisdiction over a specific supply point, and the demand selected by the power seller himself. Since power can be purchased from the bidding group, the power seller can realize power procurement with a high degree of freedom for the power seller, such as procuring the demand bidding group that offers the highest bid price.

According to the power trading system of the invention according to claim 6, in addition to the effect of the power trading system of the invention according to claim 5, the processing apparatus has a power purchase period input from the power purchaser terminal of the power purchaser. Further equipped with a means for creating a power purchase bid plan for creating a power purchase bid plan for a demand bid group in the above, the demand bid information transmission means of the processing device sells the power purchase bid plan as a search result by the demand bid group search means. By sending to the power seller terminal, the power seller can select the demand bid group after carefully examining the demand bid group based on the power purchase bid plan, so that the matching accuracy between the power purchaser and the power seller can be selected. Can be improved.

According to the electric power trading system of the invention of claim 7, in addition to the effect of the electric power trading system of the invention of claim 6, the electric power of the processing apparatus to acquire the actual electric power consumption of the supply point by a predetermined time. A power purchase bid plan is further equipped with a means for acquiring actual power consumption and a means for calculating power demand forecast amount for each unit time of the power supply point after a predetermined time based on the actual power consumption at the supply point. However, by including the demand bid group power demand forecast amount, which is the sum of the unit time power consumption forecast amounts of each supply point constituting the demand bid group, the power consumption of each supply point belonging to the demand bid group per unit time. Since the demand bid group power demand forecast amount, which is the sum of the forecast amounts, is transmitted by the demand bid information transmission means, the power seller can confirm the magnitude of the time change of the power consumption of the power purchaser and realize the power sale. can.

According to the electric power trading system of the invention according to claim 8, in addition to the effect of the electric power trading system of the invention according to claim 6 or 7, the processing apparatus purchases electric power of the seller for the electric power purchase bidding plan. A power-buying bid information transmission means for displaying bid information on the power-buyer terminal of the power-buying person, and a power-selling contract registration means for contract-registering one power-buying bid selected based on the operation of the power-buying person in the bid database. By further providing, the power purchaser can select the power seller who purchases the power after confirming the bid conditions, so that the matching accuracy between the power purchaser and the power seller can be further improved. can.

According to the power generation method of the invention according to claim 9, the power generation bid group registration means of the processing device is composed of two or more power generation points under the jurisdiction of the power seller based on the instruction from the power seller terminal. Steps and processes to register group information in at least the bid database, or to register information in the power generation bid group consisting of two or more power generation points and the power generation bid group consisting of one power generation point in the bid database. The step of searching for the power generation bid group information registered in the bid database based on the search conditions sent from the power purchaser terminal of the power purchaser, and the transmission of the power generation bid information of the processing device. Since the means includes a step of transmitting the search result by the power generation bid group search means to the power purchaser terminal of the power purchaser, the power purchaser can freely select the power generation bid group that has jurisdiction over a specific power generation point. Since it is possible to procure power from the power generation bidding group selected by the power purchaser, the power purchaser has a high degree of freedom in procuring power from the power generation bidding group that offers the cheapest selling price. Can be realized.

According to the power trading method of the invention according to claim 10, the demand bidding group registration means of the processing device is composed of two or more supply points under the jurisdiction of the power purchaser based on the instruction from the power purchaser terminal. Steps and processes to register group information in at least the bidding database, or to register information in the demand bidding group consisting of two or more supply points and the demand bidding group consisting of one supply point in the bidding database. The step of searching the demand bid group information registered in the bid database by the demand bid group search means of the device based on the search conditions sent from the power seller terminal of the power seller, and the demand bid information transmission of the processing device. By providing a step of transmitting the search result by the demand bid group search means to the power seller terminal of the power seller, the power seller can freely select the demand bid group that has jurisdiction over a specific supply point. Since power can be purchased from the demand bidding group selected by the power seller, the power seller can procure the demand bidding group that offers the highest bid price, which is a high degree of freedom for the power seller. can do.

According to the power trading program of the invention according to claim 11, the power purchaser has jurisdiction over a specific power generation point by causing the processing apparatus to execute each step of the power trading method according to claim 9 or 10. Since the power generation bidding group can be freely selected and the power can be procured from the power generation bidding group selected by the power purchaser himself, the power purchaser can procure the power from the power generation bidding group that offers the cheapest selling price. It is possible to realize electricity procurement with a high degree of freedom for the person.
Alternatively, the power seller offers the highest bid price because the power seller can freely select the demand bidding group that has jurisdiction over a specific supply point and can purchase power from the demand bidding group selected by the power seller himself. It is possible to realize power procurement with a high degree of freedom for the power seller, such as procuring a demand bidding group.

FIG. 3 is a network configuration diagram to which an electric power trading system according to an embodiment of the present invention is connected. The system configuration diagram of the electric power trading system shown in FIG. The device configuration diagram of the processing device. The flowchart which shows the prediction procedure of the electric power demand amount of a supply point by the electric power trading system which is an embodiment of this invention. The flowchart which shows the prediction procedure of the power generation amount of the power generation point by the power transaction system which is an Example of this invention. The flowchart which shows the electric power purchase procedure by the electric power purchaser using the electric power transaction system which is an embodiment of this invention. The flowchart which shows the registration procedure of the power generation bidding group by the electric power trading system which is an embodiment of this invention. The figure which shows an example of the power generation bidding group setting screen displayed on the power seller terminal when registering a power generation bidding group. The figure which shows an example of the power generation bid group setting screen displayed on the power seller terminal at the time of registration of a power generation bid group. The flowchart which shows the search procedure of the power generation bidding group by the electric power trading system which is an embodiment of this invention. The figure which shows an example of the power generation bid group search screen displayed on the power seller terminal when searching the power generation bid group. The flowchart which shows the contract procedure by the electric power trading system which is an Example of this invention. The figure which shows an example of the power sale bid display screen displayed on the power seller terminal when searching the power generation bid group. The flowchart which shows the electric power sales procedure by the electric power seller using the electric power transaction system which is an embodiment of this invention. The flowchart which shows the registration procedure of the demand bidding group by the electric power transaction system which is an Example of this invention. The figure which shows an example of the demand bid group setting screen displayed on the power purchaser terminal when registering a demand bid group. The figure which shows an example of the demand bid group setting screen displayed on the power purchaser terminal when registering a demand bid group. The flowchart which shows the search procedure of the demand bidding group by the electric power transaction system which is an embodiment of this invention. The figure which shows an example of the demand bid group search screen displayed on a power purchaser terminal when searching for a demand bid group. The flowchart which shows the contract procedure by the electric power trading system which is an Example of this invention. The figure which shows an example of the power purchase bid display screen displayed on the power purchaser terminal when searching the demand bid group.

In the power trading system of the present invention, the processing device registers at least the information of the power generation bidding group consisting of two or more power generation points under the jurisdiction of the power seller in the bid database based on the instruction from the power seller terminal. Or, a power generation bid group registration means for registering information of a power generation bid group consisting of two or more power generation points and a power generation bid group consisting of one power generation point in the bid database, and being registered in this bid database. A power generation bid group search method for searching for information on a power generation bid group based on the search conditions sent from the power purchaser terminal of the power purchaser, and a power generation bid group search method for searching the search results by the power generation bid group search method for the power purchaser. Demand that the processing device is composed of two or more supply points under the jurisdiction of the power purchaser based on the instruction from the power purchaser terminal and by providing the power generation bid information transmission means to transmit to the terminal. At least register the information of the bid group in the bid database, or register the information of the demand bid group consisting of two or more supply points and the demand bid group consisting of one supply point in the bid database. The registration means, the demand bid group search means for searching the information of the demand bid group registered in this bid database based on the search conditions transmitted from the power seller terminal of the power seller, and the demand bid group search means. If it is possible to realize power generation with a high degree of freedom for the power generation trader by providing a demand bid information transmission means for transmitting the search result by the power generation seller to the power generation terminal of the power generation, the specific method is specified. The embodiment may be any.

Further, in the power generation trading method of the present invention, the power generation bidding group registration means of the processing device obtains information on a power generation bidding group composed of two or more power generation points under the jurisdiction of the power seller based on an instruction from the power seller terminal. Steps to register at least the information of the power generation bid group consisting of two or more power generation points and the power generation bid group consisting of one power generation point in the bid database, and the power generation bid of the processing device. The group search means searches for the information of the power generation bid group registered in the bid database based on the search conditions transmitted from the power purchaser terminal of the power purchaser, and the power generation bid information transmission means of the processing device generates power. By providing a step of transmitting the search result by the bid group search means to the power purchaser terminal of the power purchaser, and by the demand bid group registration means of the processing device, the purchase is made based on the instruction from the power purchaser terminal. At least the information of the demand bidding group consisting of two or more supply points under the jurisdiction of the electric power generation is registered in the bid database, or the demand bidding group consisting of two or more supply points and one supply point are composed. The step of registering the information of the demand bid group in the bid database and the search of the demand bid group information registered in the bid database by the demand bid group search means of the processing device transmitted from the power seller terminal of the power seller. The power trader is provided with a step of searching based on a condition and a step of transmitting the search result by the demand bid group search means to the power seller terminal of the power seller by the demand bid information transmitting means of the processing device. Any specific embodiment thereof may be used as long as it realizes power generation with a high degree of freedom for the user.

Further, in the power generation trading program of the present invention, the power generation bidding group registration means of the processing device obtains information on a power generation bidding group composed of two or more power generation points under the jurisdiction of the power seller based on an instruction from the power seller terminal. Steps to register at least the information of the power generation bid group consisting of two or more power generation points and the power generation bid group consisting of one power generation point in the bid database, and the power generation bid of the processing device. The step of searching the power generation bid group information registered in the bid database by the group search means based on the search conditions transmitted from the power purchaser terminal of the power purchaser, and the power generation bid information transmission means of the processing device are power generation bids. By causing the processing device to execute a step of transmitting the search result by the group search means to the power purchaser terminal of the power purchaser, and the demand bidding group registration means of the processing device based on the instruction from the power purchaser terminal. At least the information of the demand bidding group consisting of two or more supply points under the jurisdiction of the power purchaser is registered in the bid database, or the demand bidding group consisting of two or more supply points and one supply point are composed. The step of registering the information of the demand bid group to be generated in the bid database and the demand bid group information registered in the bid database by the demand bid group search means of the processing device are transmitted from the power seller terminal of the power seller. By causing the processing device to execute a step of searching based on the search condition and a step of the demand bid information transmitting means of the processing device transmitting the search result by the demand bidding group search means to the power seller terminal of the power seller. Any specific embodiment thereof may be used as long as it realizes power generation with a high degree of freedom for the power generation trader.

For example, the power purchaser terminal and the power seller terminal may be any mobile phone, smartphone, tablet, personal computer, or the like as long as they have a communication function.

Hereinafter, an electric power trading system, an electric power trading method, and an electric power trading program, which are examples of the present invention, will be described with reference to FIGS. 1 to 18.

<1. Overview of the network to which the power trading system is connected>
First, an outline of a network to which the electric power trading system 10 according to the embodiment of the present invention is connected will be described with reference to FIG.
FIG. 1 is a network configuration diagram to which an electric power trading system according to an embodiment of the present invention is connected.

As shown in FIG. 1, the electric power trading system 10 according to the embodiment of the present invention is connected to the network NW.
The network NW may be, for example, the Internet, an intranet that can be accessed only by a specific user, or a network in which these are combined.

The network NW includes the meteorological database DB referred to by the electric power trading system 10 and the electric power trading in the wholesale electric power trading market operated by other electric power trading system ES (specifically, JEPX (Japan Electric Power Exchange). System) etc. are connected.
In addition, a power transmission and distribution business operator that maintains a balance of power demand is also connected to this network NW.
A transmission and distribution business operator is a business operator that lays and maintains a transmission and distribution network and monitors the usage status of the transmission and distribution network (transmission and distribution destination, transmission and distribution amount, etc.).

Further, a power purchaser terminal BT owned by a power purchaser who wants to purchase electric power and a power seller terminal ST owned by a power seller who wants to sell electric power are also connected to this network NW.

The consumer has one or more electricity supply points specified by the supply point identification number, is the contracting entity of various electric power contracts, and has a power purchaser terminal BT.
At each of the customer's supply points, a forward flow meter FSM that digitally measures electric power and is connected to the network NW is installed.
This forward power flow meter FSM grasps the amount of electric power used in each predetermined cycle and transmits it to a power transmission and distribution business operator via a network NW, and includes, for example, a forward power flow smart meter.
The cycle in which the forward tide meter FSM grasps the amount of electric power used is, for example, a demand control cycle (a 30-minute cycle is common in Japan), but the cycle is not particularly limited.
Further, each supply point may be equipped with a power management system including a HEMS integrated with or separately from the forward flow measuring meter FSM.

The power generation company has one or more power generation points of electricity specified by the power receiving point identification number, and has a power seller terminal ST.
This power generation company owns power generation facilities (generators installed in thermal power plants, wind power plants, nuclear power plants, solar power plants, etc.) and controls and monitors each power generation facility. Is a person.
At each of the power generation points of the power generation company, a reverse power flow meter RSM connected to the network NW is installed while digitally measuring the electric power.
This reverse power flow measuring meter RSM grasps the amount of power generation for each predetermined cycle and transmits it to the power transmission and distribution business operator via the network NW, and includes, for example, a reverse power flow smart meter and the like.
The cycle in which the reverse power flow meter RSM grasps the amount of power generation or the like is, for example, a demand control cycle, but the cycle is not particularly limited.

In addition, this network NW is engaged in the business of retail electric power companies that supply electricity to consumers, aggregators that bundle the electricity demand of consumers and effectively provide energy management services, and mediation of the conclusion of retail supply contracts. An agent is connected.
A retail electric power company possesses at least one of a power purchaser terminal BT and a power seller terminal ST because it can be a power purchaser who wants to purchase electric power or a power seller who wants to sell electric power. ing.
Since the aggregator corresponds to a power seller who wants to sell electric power, he / she has a power seller terminal ST.
The agent has a power purchaser terminal BT because it corresponds to a power purchaser who wants to purchase electric power.

<2. Overview of electricity trading system>
Next, an outline of the electric power trading system 10 will be described with reference to FIGS. 1 to 3.
FIG. 2 is a system configuration diagram of the electric power trading system shown in FIG. 1, and FIG. 3 is a device configuration diagram of a processing device.

As shown in FIGS. 1 and 2, the electric power trading system 10 is a long-term bilateral trading subsystem 100 that supports electric power trading between a power purchaser who wants to purchase electric power and a power seller who wants to sell electric power. The short-term supply-demand adjustment system 200 that adjusts the power supply-supply balance between supply points on the day before the power supply date and the day of the power supply date to minimize the imbalance amount in the planned value simultaneous equal amount system, and the long-term bilateral trading subsystem 100. And a common subsystem 300 that carries out processing common to the short-term supply and demand adjustment system 200.

<2.1. Long-term bilateral trading subsystem ＞
As shown in FIGS. 1 and 2, the long-term bilateral transaction subsystem 100 includes a power purchase transaction component 110 for conducting a power transaction mainly by a power purchaser and a power sale transaction component for conducting a power transaction mainly by a power seller. It has 120 and.

As shown in FIG. 2, the power purchase transaction component 110 includes a power generation bid group registration means 111, a power generation bid group search means 112, a power generation bid information transmission means 113, a power sale bid plan creation means 114, and a power sale bid. It has an information transmission means 115 and a power purchase contract registration means 116.

The power generation bidding group registration means 111 registers a power generation bidding group (for example, GA1 shown in FIG. 1) composed of one or more power generation points under the jurisdiction of the seller in the bidding database 23a (see FIG. 3) described later.
The power generation bidding group search means 112 searches for a power generation bidding group registered in the bidding database 23a.
The power generation bid information transmission means 113 transmits the power sale bid plan to the power purchaser terminal BT of the power purchaser as a search result by the power generation bid group search means 112.
The power selling bid plan creating means 114 creates a power selling bid plan for the power generation bidding group during the power selling period input from the power selling terminal ST of the power seller.
The power selling bid information transmitting means 115 transmits the information of the power selling bid of the power purchaser to the power selling bid plan by the power seller to the power seller terminal ST of the power seller.
The power purchase contract registration means 116 contracts and registers one power sale bid selected based on the operation of the power seller in the bid database 23a.

As shown in FIG. 2, the power sale transaction component 120 includes a demand bid group registration means 121, a demand bid group search means 122, a demand bid information transmission means 123, a power purchase bid plan creation means 124, and a power purchase bid. It has an information transmitting means 125 and a power selling contract registration means 126.

The demand bidding group registration means 121 registers a demand bidding group (for example, GX1 shown in FIG. 1) composed of one or more supply points under the jurisdiction of the power purchaser in the bidding database 23a.
The demand bid group search means 122 searches for a demand bid group registered in the bid database 23a.
The demand bid information transmission means 123 transmits the power purchase bid plan to the power seller terminal ST of the power seller as a search result by the demand bid group search means 122.
The power purchase bid plan creation means 124 creates a power purchase bid plan for the demand bidding group during the power purchase period input from the power purchaser terminal BT of the power purchaser.
The power purchase bid information transmitting means 125 transmits the information of the power purchase bid of the power seller to the power purchase bid plan by the power purchaser to the power purchaser terminal BT of the power purchaser.
The power sale contract registration means 126 contracts and registers one power purchase bid selected based on the operation of the power purchaser in the bid database 23a.

<2.2. Common subsystem>
As shown in FIG. 2, the common subsystem 300 includes at least an actual power consumption amount acquisition unit 310, a power demand forecast amount calculation unit 320, a power generation amount acquisition unit 330, and a power generation forecast amount calculation unit 340. ..

The actual power consumption acquisition means 310 acquires the actual power consumption at a predetermined supply point up to a predetermined time.
The electric power demand forecast amount calculating means 320 calculates the electric power demand forecast amount of the supply point after a predetermined time based on the electric power actual consumption amount of the supply point acquired by the electric power actual consumption amount acquisition means 310.
The power generation amount acquisition means 330 acquires the power generation amount at a predetermined power generation point up to a predetermined time.
The power generation prediction amount calculation means 340 calculates the power generation prediction amount of the power generation point after a predetermined time based on the power generation amount of the power generation point acquired by the power generation amount acquisition means 330.

<2.3. Processing equipment>
The electric power trading system 10 configured as described above is composed of at least one processing device 20.
The processing device 20 has a communication unit 21 connected to the network NW, an input / output unit 22 such as a man-machine interface that inputs information from the outside or outputs information to the outside, and a communication unit 21 from the network NW. It is input from the storage unit 23 that stores the acquired data, the input from the input / output unit 22, the power trading program, etc., and the data and the input / output unit 22 obtained from the network NW by the power trading program stored in the storage unit 23. It is provided with a processing unit 24 for processing the information and the like.
The storage unit 23 has a bidding database 23a for storing the progress of electric power transactions between the power purchaser and the power seller.
The processing device 20 configured in this way constitutes each component and each means of each subsystem of the electric power trading system 10.

<3. Electricity trading method>
Next, a power trading method by the power trading program stored in the power trading system 10 shown in FIGS. 1 and 2 and the processing device 20 shown in FIG. 3 will be described with reference to FIGS. 4A to 18.

<3.1. Acquisition of actual power consumption and power generation, and forecast of power demand and power generation>
First, based on FIGS. 4A and 4B, acquisition of actual power consumption at a supply point by the common subsystem 300 of the power trading system 10 and prediction of power demand, and power generation by the common subsystem 300 of the power trading system 10 The acquisition of the power generation amount at the point and the prediction of the power generation amount will be explained.
FIG. 4A is a flowchart showing a procedure for predicting the amount of power demand at a supply point by the power trading system according to the embodiment of the present invention, and FIG. 4B shows the prediction of the amount of power generated at the power generation point by the power trading system according to the embodiment of the present invention. It is a flowchart which shows the procedure.

<3.1.1. Acquisition of actual power consumption at supply points and calculation of power demand forecast>
First, the acquisition of the actual power consumption at the supply point and the calculation of the power demand forecast amount will be described with reference to FIG. 4A.

The acquisition of the actual power consumption at the supply point by the power trading system 10 is performed by the actual power consumption acquisition means 310 of the common subsystem 300.
The prediction of the electric power demand amount at the supply point (calculation of the electric power demand forecast amount) by the electric power trading system 10 is performed by the electric power demand forecast amount calculation means 320 of the common subsystem 300.

It should be noted that the acquisition of the actual power consumption by the actual power consumption acquisition means 310 and the prediction of the power demand amount by the power demand forecast amount calculation means 320 may be performed at any timing.
Further, the supply points from which the actual power consumption acquisition means 310 acquires the actual power consumption may be all supply points or some supply points.
Similarly, the supply points for which the electric power demand forecast amount calculation means 320 predicts the electric power demand amount may be all supply points or some supply points.

The actual power consumption acquisition means 310 of the power trading system 10 has a power consumption amount every 30 minutes at a predetermined (for example, all) supply points for the past minutes (for example, for the past one year from a predetermined start time) [ kWh] is acquired from the forward power flow meter FSM provided at each supply point via the power transmission and distribution business operator (step S10).
In the case of the first year when the forward power flow measuring meter FSM is installed, the actual power consumption acquisition means 310 obtains the actual power consumption every 30 minutes from the power transmission and distribution business operator.
Further, when the supply point itself is new, or when the actual power consumption of the supply point cannot be acquired, the actual power consumption acquisition means 310 estimates the actual power consumption by the existing power consumption model.

Next, the electric power demand forecast amount calculating means 320 of the electric power trading system 10 acquires the environmental data of each supply point and stores it in the storage unit 23 of the processing device 20 (step S11).
The "environmental data of the supply point" here means the weather data (temperature, humidity, pressure, solar radiation amount, rainfall amount) for the past year of each supply point acquired from the weather database DB by the power demand forecast amount calculation means 320. Etc.), weather forecast data for 84 hours at each supply point, or calendar data recording holidays and holidays.

Next, the electric power demand forecast amount calculating means 320 of the electric power trading system 10 acquires the actual electric power consumption for the past based on the actual electric power consumption for the past acquired in step S10 and the environmental data acquired in step S11. A power demand forecast amount [kWh] every 30 minutes for a predetermined period (for example, one year) at each supply point is calculated and stored in the storage unit 23 of the processing device 20 (step S12).

<3.1.2. Acquisition of power generation amount at power generation point and prediction of power generation amount>
Subsequently, the acquisition of the power generation amount at the power generation point and the calculation of the power generation predicted amount will be described with reference to FIG. 4B.

The acquisition of the power generation amount at the power generation point by the power transaction system 10 is performed by the power generation amount acquisition means 330 of the common subsystem 300.
The prediction of the power generation amount at the power generation point (calculation of the power generation prediction amount) by the power transaction system 10 is performed by the power generation prediction amount calculation means 340 of the common subsystem 300.

The acquisition of the power generation amount by the power generation amount acquisition means 330 and the prediction of the power generation amount by the power generation prediction amount calculation means 340 may be performed at any timing.
Further, the power generation points at which the power generation amount acquisition means 330 acquires the power generation amount may be all power generation points or some power generation points.
Similarly, the power generation points for which the power generation prediction amount calculation means 340 predicts the power generation amount may be all power generation points or some power generation points.

The power generation amount acquisition means 330 of the power trading system 10 obtains the power generation amount [kWh] every 30 minutes at a predetermined (for example, all) power generation points for the past (for example, for the past one year from a predetermined start date). It is acquired from the reverse power flow meter RSM provided at the power generation point via the power transmission and distribution business operator and stored in the storage unit 23 of the processing device 20 (step S20).
In the case of the first year when the reverse power flow measuring meter RSM is installed, the power generation amount acquisition means 330 obtains the power generation amount every 30 minutes from the power transmission and distribution business operator.
If the power generation point itself is new, or if the power generation amount at the power generation point cannot be acquired, the power generation amount acquisition means 330 estimates the power generation amount using the existing power generation model.

Next, the power generation prediction amount calculation means 340 of the electric power trading system 10 acquires the environmental data of each power generation point and stores it in the storage unit 23 of the processing device 20 (step S21).
The "environmental data of the power generation point" here means the weather data (temperature, humidity, pressure, solar radiation amount, rainfall amount, etc.) for the past year of each power generation point acquired from the weather database DB by the power generation forecast amount calculation means 340. ), Weather forecast data for 84 hours at each power generation point, or calendar data recording holidays and holidays.

Next, the power generation prediction amount calculation means 340 of the power trading system 10 is at each power generation point where the past power generation amount is acquired based on the past power generation amount acquired in step S20 and the environmental data acquired in step S21. The predicted power generation amount [kWh] every 30 minutes for a predetermined period (for example, one year) is calculated and stored in the storage unit 23 of the processing device 20 (step S22).

<3.2. Power purchase by the purchaser ＞
Subsequently, the procedure for purchasing electric power by the power purchaser will be described with reference to FIGS. 5 to 11.

First, an outline of the power purchase procedure by the power purchaser will be described with reference to FIG.
FIG. 5 is a flowchart showing a procedure for purchasing electric power by a power purchaser using the electric power trading system according to the embodiment of the present invention.

When the power purchaser selects a power generation bidding group to purchase power, as shown in FIG. 5, the power seller first registers the power generation bidding group in advance (step S100), and then the power purchaser. Searches for a power generation bidding group (step S120) and bids for power selling against the power selling bidding plan (step S140).
After that, the power seller confirms the power sale bid and performs the contract processing (step S160).
Hereinafter, each step will be described in detail.

<3.2.1. Registration of power generation bidding group>
First, the registration of the power generation bidding group by the power seller in step S100 will be described with reference to FIGS. 6 to 7B.
FIG. 6 is a flowchart showing a procedure for registering a power generation bidding group by the power trading system according to the embodiment of the present invention, and FIGS. 7A and 7B are power generation bids displayed on the power seller terminal when the power generation bidding group is registered. It is a figure which shows an example of a group setting screen.

When the power seller registers the power generation bid group, the power seller accesses the power trading system 10 by the power seller terminal ST and calls the power generation bid group setting screen data (step S101).
Upon receiving the call of the power generation bid group setting screen data, the power trading system 10 transmits the power generation bid group setting screen data to the power seller terminal ST (step S102).
As a result, the power seller terminal ST displays the power generation bidding group setting screen 30 as shown in FIGS. 7A and 7B (step S103).

Here, the power generation bidding group setting screen 30 will be described.
The power generation bid group setting screen 30 includes a power generation bid group information input area 31, a power generation point search condition input area 32, a power generation bid group registration area 33, a power generation amount simulation area 34, and a power sale desired unit price input area 35. , The power sale bid plan display area 36, the power sale bid plan registration button 37, and the return button 38.

The power generation bid group information input area 31 is composed of a bid area selection tab 31a, a power sale period input field 31b, and a power generation bid group name input field 31c.
In the power generation bid group information input area 31, the bid area is specified (selection of the bid area selection tab 31a), the power sale period is set (input in the power sale period input field 31b), and the power generation bid group name is input (). Input to the power generation bid group name input field 31c) is mandatory.

The bid area selection tab 31a is a drop-down list that displays bid area candidates (in Japan, a supply area that divides the country into 10), and one bid from the bid area displayed on the bid area selection tab 31a. The area can be freely selected.
The electric power sale period input field 31b is a field for inputting a target period for electric power sale (electric power sale period).
The power generation bid group name input field 31c is a field for inputting the name of the power generation bid group to be registered (preferably to which information specifying the power source is added).

The power generation point search condition input area 32 includes a search condition input field 32a, a search button 32b, and a clear button 32c.
The search condition input field 32a is a field for inputting a keyword for searching a predetermined power generation point from a pre-registered power generation point.
The search button 32b is a button for transmitting an instruction to search for a power generation point to the electric power transaction system 10 based on the keyword input in the search condition input field 32a.
The clear button 32c is a button for deleting the keyword input in the search condition input field 32a.

The power generation bid group registration area 33 is composed of a power generation point display field 33a, a power generation bid group display field 33b, an add button 33c, and a delete button 33d.
The power generation point display column 33a is a column in which the name of the power generation point, which is one of the information of the power generation point transmitted from the electric power transaction system 10, is displayed one by one in one line, and each line can be freely selected. There is.
The power generation bid group display column 33b is a column in which the names of the power generation points constituting the candidates of the power generation bid group are displayed one by one in one line, and each line can be freely selected.
The add button 33c is a button for adding the power generation point selected in the power generation point display field 33a to the power generation bid group display field 33b.
The delete button 33d is a button for deleting the power generation point selected in the power generation bid group display field 33b from the power generation bid group display field 33b.

The power generation amount simulation area 34 is composed of a power generation amount simulation button 34a and a power generation amount simulation column 34b.
The power generation amount display button 34a is a button for transmitting a command to the power transaction system 10 to add up the power generation predicted amounts of the power generation points displayed in the power generation bid group display column 33b.
The power generation amount display column 34b is a column in which the power generation predicted amount of the entire power generation point (power generation bid group candidate) displayed in the power generation bid group display field 33b transmitted from the power trading system 10 is displayed. , The transition of the power generation amount for a predetermined time (for example, every 30 minutes) for a predetermined period (for example, one day) corresponding to a predetermined condition (the day with the largest amount of power generation in one day) is displayed.

The power sale desired unit price input area 35 is composed of a power sale desired unit price input field 35a and a power sale bid plan display button 35b.
The power selling desired unit price input field 35a is a field for inputting the power selling desired unit price to be registered in the power selling bidding plan.
The power selling bid plan display button 35b causes the power selling bid plan creating means 114 of the power trading system 10 to create a power selling bid plan for the power generation bidding group candidate, and causes the power selling terminal ST to send the power selling bid plan. Is a button for transmitting to the power trading system 10.

In the power selling bid plan display area 36, the power selling bid plan of the power generation bidding group candidate received from the power trading system 10 is displayed.
Specifically, as a power generation bid plan, information for specifying the power source of the power generation bid group candidate (whether or not it is renewable energy, etc.), the total electric energy as the power generation bid group candidate [MWh], and the power generation bid group candidate. Average power consumption [kWh / day], annual maximum power as a power generation bid group candidate [kW], desired unit price for selling power as a power generation bid group candidate [yen / kWh], total price (total power as a power generation bid group candidate) Amount x desired unit price for selling power as a candidate for a power generation bidding group) [yen] etc. are included.

The power sale bid plan registration button 37 registers the power generation bid group candidate displayed in the power generation bid group display field 33b as a power generation bid group in the bid database 23a, and also registers the contents input in the power generation bid group information input area 31 and sells. The electricity selling bid plan displayed in the electricity bidding plan display area 36 is also a button for transmitting an instruction to be registered in the bidding database 23a associated with the information of the power generation points constituting the power generation bidding group to the electricity trading system 10.
The return button 38 is a button for transitioning from the power generation bidding group setting screen 30 to another screen (for example, an initial screen).

Returning to FIG. 6, the registration of the power generation bidding group by the power seller will be further described.
The power seller inputs the information of the power generation bid group to be registered in the power generation bid group information input area 31 by the power seller terminal ST.

Next, the power seller inputs a keyword for searching a power generation point that is a candidate for the power generation bidding group registered in the power transaction system 10 by the power seller terminal ST in the search condition input field 32a.
Then, when the search button 32b is pressed by operating the power seller terminal ST, the power seller terminal ST transmits the search condition of the power generation point input in the power generation point search condition input area 32 to the power trading system 10. (Step S104).

The electric power transaction system 10 that has received the search condition for the power generation point searches for a power generation point that matches the received search condition (step S105).
Then, the electric power transaction system 10 transmits the search result (information on the power generation point corresponding to the received search condition) to the power seller terminal ST (step S106).

The power seller terminal ST that has received the search result from the power transaction system 10 displays the power generation point that matches the received search condition in the power generation point display field 33a of the power generation bid group registration area 33 (step S107).

Next, the power seller selects a power generation point for which a power generation bid group is to be formed from the power generation points displayed in the power generation point display field 33a of the power generation bid group registration area 33 by the power seller terminal ST, and presses the add button 33c. ..
As a result, the candidates for the power generation bid group are displayed in the power generation bid group display column 33b (step S108).

Next, it is determined whether or not the power seller terminal ST has received the command for simulating the electric energy (step S109).
When the power generation amount simulation button 34a is pressed by operating the power seller terminal ST, it is assumed that the power seller terminal ST has received the command to simulate the power amount, and the command to simulate the power amount and the power generation bidding group. Information on the power generation point that is a candidate for the above is transmitted to the electric power trading system 10, and the process proceeds to step S110.
When the power generation amount simulation button 34a is not pressed, the power seller inputs the power sale desired unit price in the power sale desired unit price input field 35a of the power sale desired unit price input area 35 by the power seller terminal ST, and steps. Proceed to S113.

In step S110, the power trading system 10 that has received the command to simulate the power amount simulates the power generation amount of the candidate of the power generation bidding group based on the power generation predicted amount of each power generation point calculated by the power generation predicted amount calculating means 340. To create.
Then, the electric power transaction system 10 transmits the simulated result to the power seller terminal ST (step S111).
The power seller terminal ST that has received the simulated result of the power generation amount of the power generation bidding group displays the simulated result in the power generation amount simulation column 34b (step S112).
Then, the power seller inputs the power sale desired unit price in the power sale desired unit price input field 35a of the power sale desired unit price input area 35 by the power seller terminal ST.

When the power sale bid plan display button 35b is pressed by operating the power seller terminal ST, the power seller terminal ST displays the information input in the power generation bid group information input area 31 and the power generation bid group display field 33b. Information on the power generation point that is a candidate for the displayed power generation bidding group and the power selling bid plan creation information such as the power selling desired unit price input in the power selling desired unit price input field 35a are transmitted to the power trading system 10 ( Step S113).

Next, the power selling bid plan creating means 114 of the power trading system 10 creates a power selling bid plan for a candidate of the power generation bidding group from the power selling bid plan creation information received from the power seller terminal ST (step S114). The power sale bid plan is transmitted to the power seller terminal ST (step S115).

The power seller terminal ST that has received the power selling bid plan from the power trading system 10 displays the power selling bid plan in the power selling bid plan display area 36 (step S116).
When the power selling bid plan registration button 37 is pressed by operating the power selling terminal ST, the power selling terminal ST transmits an instruction to register the power selling bid plan in the bidding database 23a to the power trading system 10 ( Step S117).
The power generation bidding group registration means 111 of the power trading system 10 that has received the registration instruction of the power selling bid plan uses the power selling bidding plan transmitted to the power seller terminal ST as the power selling bidding plan of the power generation bidding group in the bidding database 23a. Register (step S118).

<3.2.2. Searching for power generation bidding groups and bidding for selling power>
Next, the search for the power generation bidding group by the power purchaser in step S120 and the power sale bid in step S140 will be described with reference to FIGS. 8 and 9.
FIG. 8 is a flowchart showing a procedure for searching a power generation bid group by the power trading system according to an embodiment of the present invention, and FIG. 9 is a power generation bid group search screen displayed on a power seller terminal when searching for a power generation bid group. It is a figure which shows an example.

When the power purchaser searches for the power generation bid group, the power purchaser accesses the power transaction system 10 by the power purchaser terminal BT and calls the power generation bid group search screen data (step S121).
The electric power trading system 10 that has received the call of the power generation bid group search screen data transmits the power generation bid group search screen data to the power purchaser terminal BT (step S122).
As a result, the power purchaser terminal BT displays the power generation bidding group search screen 40 as shown in FIG. 9 (step S123).

Here, the power generation bidding group search screen 40 will be described.
The power generation bid group search screen 40 is composed of a power generation bid group search condition input area 41, a power generation bid group display area 42, a power generation forecast amount display area 43, a power sale bid plan display area 44, and a bid button 45. ing.

The power generation bid group search condition input area 41 includes a bid area selection tab 41a, a total price input field 41b, an annual maximum output input field 41c, a power sale period input field 41d, a total power amount input field 41e, and a search button. It is composed of 41f and a clear button 41g.
In the power generation bidding group search condition input area 41, it is essential to specify the bidding area (selection of the bidding area selection tab 41a).

The bid area selection tab 41a is a drop-down list that displays bid area candidates (supply areas in Japan), and one bid area can be freely selected from the bid areas displayed on the bid area selection tab 41a. ing.
The total price input field 41b is a field for inputting a range of total prices set by the power generation bidding group.
The annual maximum output input field 41c is a field for inputting the range of the annual maximum output of the power generation bidding group.
The electric power sale period input field 41d is a field for inputting the target period for the electric power sale of the electric power seller.
The total electric energy input field 41e is a field for inputting the range of the total electric energy of the power generation bidding group.
The search button 41f is a button for transmitting an instruction to search for a power generation bidding group to the electric power trading system 10 based on the information input or selected in the total electric energy input field 41e from the bidding area selection tab 41a.
The clear button 41g is a button for deleting information input or selected in the total electric energy input field 41e from the bid area selection tab 41a.

In the power generation bidding group display area 42, information on the power generation bidding group transmitted from the power trading system 10 is displayed one group per line.
In the power generation bid group display area 42, the bid status and the power sale bid plan of each power generation bid group are displayed.
Further, each line of the power generation bidding group display area 42 is freely selectable.

The power generation forecast amount display area 43 is a column in which the power generation forecast amount of the entire power generation point is displayed as the power generation bid group selected in the power generation bid group display area 42, and specifically, a predetermined period corresponding to a predetermined condition. The transition of the amount of power generation for a predetermined time (for example, every 30 minutes) for a predetermined time (for example, one day) is displayed.

In the power selling bid plan display area 44, the power selling bid plan of the power generation bidding group selected in the power generation bidding group display area 42 is displayed.

The bidding button 45 transmits an instruction to bid for the power generation bidding group selected in the power generation bidding group display area 42 to the power trading system 10.

Returning to FIG. 8, the search for the power generation bidding group by the power purchaser will be further described.
The power purchaser inputs a search condition for searching for a power generation bid group to be procured in the power generation bid group search condition input area 41 by the power purchaser terminal BT.

Next, when the search button 41f is pressed by operating the power purchaser terminal BT, the power purchaser terminal BT sets the search condition of the power generation bid group input in the power generation bid group search condition input area 41 to the power trading system 10. (Step S124).

The power generation bid group search means 112 of the power transaction system 10 that has received the search condition of the power generation bid group searches for a power generation bid group that matches the received search condition (step S125).
Then, the power generation bid information transmission means 113 of the power trading system 10 transmits the search result (power generation bid information such as the power sale bid plan of the power generation bid group that matches the search condition) to the power purchaser terminal BT (step S126).

The power purchaser terminal BT that has received the search result from the power transaction system 10 displays the information of the power generation bid group in the power generation bid group display area 42 (step S127).

Next, the power purchaser selects a power generation bid group to be bid from the power generation bid group displayed in the power generation bid group display area 42 by the power purchaser terminal BT (step S128).
When the power purchaser selects the power generation bidding group to be bid on by the power purchaser terminal BT, the power purchaser terminal BT sends the power generation forecast amount of the selected power generation bidding group and the call command of the power sale bid plan to the power trading system 10. (Step S129).

Upon receiving the command to call the power generation bid group and the power sale bid plan selected by the power purchaser, the power trading system 10 sets the power generation bid group's power forecast amount and the power sale bid plan to the power purchaser terminal BT. (Step S130).

The power purchaser terminal BT that has received the power generation bid group's power forecast amount and the power sale bid plan displays the power generation forecast amount of the power generation bid group in the power generation forecast amount display area 43, and displays the power sale bid plan on the power sale bid plan. It is displayed in the area 44 (step S131).

When the bid button 45 is pressed by operating the power purchaser terminal BT, the power trading system 10 indicates that the bid is made to the power sale bid plan of the power generation bid group selected in the power generation bid group display area 42 (bid instruction). Is transmitted to (step S141).
Then, the electric power transaction system 10 that has received the bidding instruction registers in the bidding database 23a that the bidding has been entered in the power generation bidding group selected in the power generation bidding group display area 42 (that there was a bidding for selling electricity) (step). S142).

<3.2.3. Contract processing>
Next, the contract processing in step S160 will be described with reference to FIGS. 10 and 11.
FIG. 10 is a flowchart showing a contract procedure by the electric power trading system according to the embodiment of the present invention, and FIG. 11 shows an example of a power selling bid display screen displayed on the power seller terminal when searching for a power generation bidding group. It is a figure.

When the power seller confirms the bid for the power sale bid plan (power sale bid), the power seller accesses the power transaction system 10 by the power seller terminal ST and calls the power sale bid confirmation screen data (step S161). ).
Upon receiving the call for the power sale bid confirmation screen data, the power transaction system 10 transmits the power sale bid confirmation screen data to the power seller terminal ST (step S162).
As a result, the power seller terminal ST displays the power sale bid confirmation screen 50 as shown in FIG. 11 (step S163).

Here, the power sale bid confirmation screen 50 will be described.
The power sale bid confirmation screen 50 is composed of a power sale bid search condition input area 51, a power sale bid display area 52, and a contract button 53.

The power sale bid search condition input area 51 includes a power generation bid group name input field 51a, a supply area selection field 51b, a power sale period input field 51c, a bidder name input field 51d, and a power sale bid search button 51e. It is composed of a clear button 51f.

The power generation bid group name input field 51a is a field for inputting a keyword when searching for a registered power generation bid group.
The supply area selection column 51b is a column for selecting a supply area, and a plurality of supply areas can be freely selected.
The electric power sale period input field 51c is a field for inputting the electric power sale period set by the power generation bidding group.
The bidder name input field 51d is a field for inputting a keyword when searching for a bidder (power purchaser).
The power sale bid search button 51e is a button for transmitting an instruction to search for a power sale bid to the power trading system 10 based on the information input or selected from the power generation bid group name input field 51a to the bidder name input field 51d. ..
The clear button 51f is a button for deleting information input or selected from the power generation bid group name input field 51a to the bidder name input field 51d.

In the power selling bid display area 52, the power selling bid information transmitted from the power selling bid information transmitting means 115 of the electric power trading system 10 is displayed one by one per line.
In each line of the power sale bid display area 52, a power generation bid group name, a power source, a bidder, a power sale bid plan, and the like are displayed.
Further, each line of the power sale bid display area 52 is freely selectable.

The contract button 53 transmits the information of the power selling bid selected in the power selling bid display area 52 to the electric power trading system 10.

Returning to FIG. 10, the contract processing will be further described.
The power seller inputs search conditions for searching for a power selling bid that is convenient for the power seller in the power selling bid search condition input area 51 by the power selling terminal ST.
Then, when the power selling bid search button 51e is pressed by operating the power selling terminal ST, the power selling terminal ST sets the search condition of the power selling bid input in the power selling bid search condition input area 51 into the power trading system. It is transmitted to 10 (step S164).

The electric power transaction system 10 that has received the search condition for the power sale bid searches for the power sale bid for the power sale bid plan that matches the received search condition (step S165).
Then, the power selling bid information transmitting means 115 of the electric power transaction system 10 transmits the search result (information on the selling bid for the power selling bidding plan that matches the search condition) to the power selling terminal ST (step S166).

The power seller terminal ST that has received the search result from the power transaction system 10 displays the power sale bid that matches the search condition in the power sale bid display area 52 (step S167).

The power seller confirms the power generation bid displayed in the power sale bid display area 52 of the power sale bid confirmation screen 50 by the power seller terminal ST, selects the most favorable power sale bid, and presses the contract button 53. push.
When the contract button 53 is pressed by operating the power seller terminal ST, one power selling bid selected in the power selling bid display area 52 is transmitted to the power trading system 10 as a contract target (step S168).

Then, the power purchase contract registration means 116 of the electric power trading system 10 that has received the information of the power sale bid to be contracted registers one power sale bid in the bid database 23a (step S169).
This completes the long-term bilateral transaction between the seller and the buyer.

<3.2.4. Summary>
The power generation system 10 of the present embodiment configured in this way sets a power generation bidding group consisting of one or more power generation points under the jurisdiction of the power seller based on the instruction from the power seller terminal BT in the power generation bidding database 23a. That is, the information of the power generation bidding group consisting of two or more power generation points under the jurisdiction of the seller is registered in the bid database 23a, or the power generation bidding group consisting of two or more power generation points and The power generation bid group registration means 111 that registers the information of the power generation bid group composed of one power generation point in the bid database 23a, and the power generation bid group registered in the bid database 23a are the power purchaser terminal BT of the power purchaser. The power generation bid group search means 112 for searching based on the search conditions transmitted from the power generation bid group search means 112, and the power generation bid information transmission means 113 for transmitting the search result by the power generation bid group search means 112 to the power purchaser terminal BT of the power purchaser. By providing, the power purchaser can freely select the power generation bid group that has jurisdiction over a specific power generation point, and the power purchaser can procure power from the power generation bid group selected by the power purchaser himself, so that the power purchaser is the cheapest. It is possible to realize power generation with a high degree of freedom for the purchaser, such as procuring power from a power generation bidding group that offers a selling price.

Further, the power selling bid plan creating means 114 for creating the power selling bid plan of the power generation bidding group during the power selling period input from the power selling seller terminal ST of the power seller is further provided, the power generation bid information transmitting means is 113, and the power generation is performed. By transmitting the power sale bid plan to the power purchaser terminal BT of the power purchaser as a search result by the bid group search means 112, the power purchaser carefully examines the power generation bid group based on the power sale bid plan and then bids for power generation. Since the group can be selected, the matching accuracy between the power buyer and the power seller can be improved.

In recent years, due to heightened environmental awareness, there has been an increasing demand for RE100 (100% of the energy required for business operations is covered by renewable energy). Even if I could select it, I could not identify the power source.
However, since the power sale bid plan includes information that identifies the power source of the power generation bid group, the power purchaser can select the power generation bid group that has jurisdiction over the specific power source, so that the power purchaser can operate the business. It is possible to easily realize electric power procurement such that the energy required for electricity is 100% renewable energy.

Further, the power selling bid information transmitting means 115 for transmitting the information of the power selling bid of the power buyer for the power selling bid plan to the power seller terminal ST of the power seller, and one selected based on the operation of the power seller. By further providing the power purchase contract registration means 116 for registering the power sale bid in the bid database 23a, the power purchaser can select the power seller to purchase the power after confirming the bid conditions. , The matching accuracy between the power buyer and the power seller can be further improved.

<3.3. Electricity sales by electricity sellers>
Subsequently, the procedure for selling electric power by the seller will be described with reference to FIGS. 12 to 18.

First, an outline of the electric power sales procedure by the power seller will be described with reference to FIG. 12.
FIG. 12 is a flowchart showing a power sales procedure by a power seller using the power trading system according to the embodiment of the present invention.

When the power seller selects a demand bidding group and sells electric power, as shown in FIG. 12, the power purchaser first registers the demand bidding group in advance (step S200), and then the power seller. Searches for a demand bidding group (step S220) and makes a bid for a power purchase bid plan (step S240).
After that, the power purchaser confirms the power purchase bid and performs the contract processing (step S260).
Hereinafter, each step will be described in detail.

<3.3.1. Registration of demand bidding group>
First, the registration of the demand bidding group by the power purchaser in step S200 will be described with reference to FIGS. 13 to 14B.
FIG. 13 is a flowchart showing a procedure for registering a demand bidding group by the electric power trading system according to the embodiment of the present invention, and FIGS. 14A and 14B are demand bids displayed on the power purchaser terminal when the demand bidding group is registered. It is a figure which shows an example of a group setting screen.

When the power purchaser registers the demand bid group, the power purchaser accesses the power transaction system 10 by the power purchaser terminal BT and calls the demand bid group setting screen data (step S201).
The electric power transaction system 10 that has received the call of the demand bid group setting screen data transmits the demand bid group setting screen data to the power purchaser terminal BT (step S202).
As a result, the power purchaser terminal BT displays the demand bidding group setting screen 60 as shown in FIGS. 14A and 14B (step S203).

Here, the demand bidding group setting screen 60 will be described.
The demand bid group setting screen 60 includes a demand bid group information input area 61, a supply point search condition input area 62, a demand bid group registration area 63, a demand amount simulation area 64, and a power purchase desired unit price input area 95. , The power purchase bid plan display area 66, the power purchase bid plan registration button 67, and the return button 68.

The demand bid group information input area 61 is composed of a bid area selection tab 61a and a demand bid group name input field 61b.
In the demand bid group information input area 61, it is essential to specify the bid area (select the bid area selection tab 61a) and input the demand bid group name (input to the demand bid group name input field 61b). There is.

The bid area selection tab 61a is a drop-down list that displays bid area candidates (supply areas in Japan), and one bid area can be freely selected from the bid areas displayed on the bid area selection tab 61a. ing.
The demand bid group name input field 61b is a field for inputting the name of the demand bid group to be registered from now on.

The supply point search condition input area 62 includes a search condition input field 62a, a search button 62b, and a clear button 62c.
The search condition input field 62a is a field for inputting a keyword for searching a predetermined supply point from the supply points registered in advance.
The search button 62b is a button for transmitting an instruction to search for a supply point to the electric power transaction system 10 based on the information input in the search condition input field 62a.
The clear button 62c is a button for deleting the information input in the search condition input field 62a.

The demand bid group registration area 63 is composed of a supply point display column 63a, a demand bid group display column 63b, an add button 63c, and a delete button 63d.
The supply point display column 63a is a column in which the name of the supply point, which is one of the supply point information transmitted from the electric power transaction system 10, is displayed one supply point per line, and each line can be freely selected. There is.
The demand bid group display column 63b is a column in which the names of the supply points constituting the candidates of the demand bid group are displayed one by one in one line, and each line can be freely selected.
The add button 63c is a button for adding the supply point selected in the supply point display field 63a to the supply bid group display field 33b.
The delete button 63d is a button for deleting the supply point selected in the supply bid group display field 63b from the supply bid group display field 63b.

The demand amount simulation display area 64 is composed of a demand amount simulation button 64a and a demand amount simulation column 64b.
The demand amount simulation button 64a is a button for transmitting a command to the electric power trading system 10 to add up the electric power demand forecast amount of the supply point displayed in the demand bid group display column 63b.
The demand amount simulation column 64b is a column in which the electric power demand forecast amount of the entire supply point (demand bid group candidate) displayed in the demand bid group display column 63b transmitted from the electric power trading system 10 is displayed, and is specific. Displays the transition of the power demand forecast amount for a predetermined time (for example, every 30 minutes) for a predetermined period (for example, one year).

The power purchase desired unit price input area 65 includes a power purchase desired unit price input field 65a and a power purchase bid plan display button 65b.
The power purchase desired unit price input field 65a is a field for inputting the power purchase desired unit price to be registered in the power purchase bid plan.
The power purchase bid plan display button 65b causes the power purchase bid plan creation means 124 of the power trading system 10 to create a power purchase bid plan for the demand bid group candidate, and causes the power purchaser terminal BT to send the power purchase bid plan. Is a button for transmitting to the power trading system 10.

In the power purchase bid plan display area 66, the power purchase bid plan of the demand bid group candidate received from the power transaction system 10 is displayed.
Specifically, as a power purchase bid plan, the total electric energy as a demand bid group candidate [MWh], the average electric energy used as a demand bid group candidate [kWh / day], and the annual maximum electric energy as a demand bid group candidate [kW]. ], Desired unit price for power purchase as a candidate for a demand bid group [yen / kWh], Total price (total electric energy as a candidate for a demand bid group x desired unit price for power purchase as a candidate for a demand bid group) [yen], Candidate for a demand bid group Demand bid group Contains information that identifies the estimated amount of electricity demand.
The "demand bid group candidate power demand forecast amount" referred to here is a value obtained by adding up the power consumption forecast amount for each unit time of each supply point constituting the demand bid group, and is a demand bid group. It is a transition of the power consumption forecast amount for each unit time (for example, 30 minutes) as a candidate.

The power purchase bid plan registration button 67 registers the demand bid group candidate displayed in the demand bid group display field 63b as a demand bid group in the bid database 23a, and the contents input in the demand bid group information input area 61 and the purchase. The power purchase bid plan displayed in the power bid plan display area 66 is also a button for transmitting an instruction to be registered in the bid database 23a associated with the information of the power generation points constituting the demand bid group to the power trading system 10.
The return button 68 is a button for transitioning from the demand bidding group setting screen 60 to another screen (for example, an initial screen).

Returning to FIG. 13, the registration of the demand bidding group by the power purchaser will be further described.
The power purchaser inputs the information of the demand bid group to be registered in the demand bid group information input area 61 by the power purchaser terminal BT.

Next, the power purchaser inputs information for searching a supply point that is a candidate for the demand bidding group registered in the power transaction system 10 by the power purchaser terminal BT in the search condition input field 62a.
Then, when the search button 62b is pressed by operating the power purchaser terminal BT, the power purchaser terminal BT transmits the search condition of the supply point input in the supply point search condition input area 62 to the electric power trading system 10. (Step S204).

The electric power transaction system 10 that has received the search condition of the supply point searches for a supply point that matches the received search condition (step S205).
Then, the electric power transaction system 10 transmits the search result (information on the supply point corresponding to the received search condition) to the power purchaser terminal BT (step S206).

The power purchaser terminal BT that has received the search result from the electric power transaction system 10 displays the supply point that matches the received search condition in the supply point display field 63a of the demand bidding group registration area 63 (step S207).

Next, the power purchaser selects a supply point for which a demand bid group is to be formed from the supply points displayed in the supply point display field 63a of the demand bid group registration area 63 by the power purchaser terminal BT, and presses the add button 63c. ..
As a result, the candidates for the demand bidding group are displayed in the demand bidding group display field 63b (step S208).

Next, it is determined whether or not the power purchaser terminal BT has accepted the command for simulating the demand amount (step S209).
When the average demand amount display button 64a is pressed by operating the power purchaser terminal BT, it is assumed that the power purchaser terminal BT has received the command to simulate the demand amount, and the instruction to simulate the demand amount and the demand bidding group. Information on the supply point that is a candidate for is transmitted to the electric power trading system 10, and the process proceeds to step S210.
When the demand amount simulation button 64a is not pressed, the power purchaser inputs the power purchase desired unit price in the power purchase desired unit price input field 65a of the power purchase desired unit price input area 65 by the power purchaser terminal BT, and steps. Proceed to S213.

In step S210, the electric power trading system 10 that has received the instruction to simulate the demand amount is the demand amount of the candidate of the demand bidding group based on the electric power demand forecast amount of each supply point calculated by the electric power demand forecast amount calculation means 320. Create a simulation of.
Then, the electric power transaction system 10 transmits the simulated result to the power purchaser terminal BT (step S211).
The power purchaser terminal BT that has received the simulated result of the average power generation amount of the demand bidding group displays the simulated result in the demand amount simulation column 64b (step S212).
Then, the power purchaser inputs the power purchase desired unit price in the power purchase desired unit price input field 65a of the power purchase desired unit price input area 65 by the power purchaser terminal BT.

When the power purchase bid plan display button 65b is pressed by operating the power purchaser terminal BT, the power purchaser terminal BT displays the information input in the demand bid group information input area 61 and the demand bid group display field 63b. Information on the displayed supply points that are candidates for the demand bidding group and information on creating a power purchase bid plan such as the power purchase desired unit price input in the power purchase desired unit price input field 65a are transmitted to the power trading system 10 ( Step S213).

Next, the power purchase bid plan creation means 124 of the power trading system 10 creates a power purchase bid plan for a candidate of the demand bidding group from the power purchase bid plan creation information received from the power purchaser terminal BT (step S214). The power purchase bid plan is transmitted to the power purchaser terminal BT (step S215).

The power purchaser terminal BT that has received the power purchase bid plan from the power transaction system 10 displays the power purchase bid plan in the power purchase bid plan display area 66 (step S216).
When the power purchase bid plan registration button 67 is pressed by operating the power purchaser terminal BT, the power purchaser terminal BT transmits an instruction to register the power purchase bid plan in the bid database 23a to the power trading system 10 ( Step S217).
The demand bidding group registration means 121 of the power trading system 10 that has received the registration instruction of the power purchase bid plan uses the power purchase bid plan transmitted to the power purchaser terminal BT as the power purchase bid plan of the power generation bid group in the bid database 23a. Register (step S218).

<3.3.2. Search for demand bidding groups and bids for power purchases>
Next, the search for the demand bidding group by the power seller in step S220 and the power purchase bid in step S240 will be described with reference to FIGS. 15 and 16.
FIG. 15 is a flowchart showing a search procedure of a demand bidding group by the electric power trading system according to an embodiment of the present invention, and FIG. 16 is a demand bidding group search screen displayed on a power purchaser terminal when searching for a demand bidding group. It is a figure which shows an example.

When the power seller searches for the demand bid group, the power seller accesses the power transaction system 10 by the power seller terminal ST and calls the demand bid group search screen data (step S221).
The electric power transaction system 10 that has received the call of the demand bid group search screen data transmits the search screen data to the demand bid group power seller terminal ST (step S222).
As a result, the power seller terminal ST displays the demand bidding group search screen 70 as shown in FIG. 16 (step S223).

Here, the demand bidding group search screen 70 will be described.
The demand bid group search screen 70 is composed of a demand bid group search condition input area 71, a demand bid group display area 72, a demand forecast amount display area 73, a power purchase bid plan display area 74, and a bid button 75. ing.

The demand bid group search condition input area 71 is composed of a bid area selection tab 71a, a total price input field 71b, an annual maximum output input field 71c, a total electric energy input field 71d, a search button 71e, and a clear button 71f. It is configured.
In the demand bidding group search condition input area 71, it is essential to specify the bidding area (selection of the bidding area selection tab 71a).

The bid area selection tab 71a is a drop-down list that displays bid area candidates (supply areas in Japan), and one bid area can be freely selected from the bid areas displayed on the bid area selection tab 71a. ing. The total price input field 71b is a field for inputting a range of total prices set by the demand bidding group.
The annual maximum output input field 71c is a field for inputting the range of the annual maximum demand amount of the demand bidding group.
The total electric energy input field 71d is a field for inputting the range of the total demand amount of the demand bidding group.
The search button 71e is a button for transmitting an instruction to search the demand bidding group to the electric power trading system 10 based on the information input or selected in the total electric energy input field 71d from the bidding area selection tab 71a.
The clear button 71f is a button for deleting information input or selected in the total electric energy input field 71d from the bid market selection tab 71a.

In the demand bidding group display area 72, the information of the demand bidding group transmitted from the electric power trading system 10 is displayed one group per line.
In the demand bid group display area 72, the bid status and the power purchase bid plan of each demand bid group are displayed.
Further, each row of the demand bid group display area 72 is freely selectable.

The demand forecast amount display area 73 is a column in which the power demand forecast amount of the entire supply point is displayed as the demand bid group selected in the demand bid group display area 72, and specifically, a predetermined condition corresponding to a predetermined condition is satisfied. The transition of the power demand forecast amount for a predetermined time (for example, every 30 minutes) of the period (for example, one day) is displayed.

In the power purchase bid plan display area 74, the power purchase bid plan of the demand bid group selected in the demand bid group display area 72 is displayed.

The bidding button 75 transmits an instruction to bid for the demand bidding group selected in the demand bidding group display area 72 to the electric power trading system 10.

Returning to FIG. 15, the search for the demand bidding group by the power seller will be further described.
The power seller inputs a search condition for searching the demand bid group for which power is to be procured in the demand bid group search condition input area 71 by the power seller terminal ST.

Next, when the search button 71f is pressed by operating the power seller terminal ST, the power seller terminal ST sets the search condition of the demand bid group input in the demand bid group search condition input area 71 to the power trading system 10. (Step S224).

The demand bid group search means 122 of the electric power transaction system 10 that has received the search condition of the demand bid group searches for a demand bid group that matches the received search condition (step S225).
Then, the demand bid information transmission means 123 of the electric power trading system 10 transmits the search result (information such as the power purchase bid plan of the demand bid group that matches the search condition) to the power seller terminal ST (step S226).

The power seller terminal ST that has received the search result from the electric power transaction system 10 displays the information of the demand bidding group in the demand bidding group display area 72 (step S227).

Next, the power seller selects a demand bid group to be bid from the demand bid groups displayed in the demand bid group display area 72 by the power seller terminal ST (step S228).
When the power seller selects the demand bidding group to be bid by the power seller terminal ST, the power seller terminal ST sends the demand forecast amount of the selected demand bidding group and the call command of the power purchase bid plan to the power trading system 10. (Step S229).

Upon receiving the instruction to call the demand forecast amount and the power purchase bid plan of the demand bid group selected by the power seller, the power trading system 10 sets the demand forecast amount and the power purchase bid plan of the demand bid group to the power seller terminal ST. (Step S230).

The power seller terminal ST that has received the demand forecast amount and the power purchase bid plan of the demand bid group displays the demand forecast amount of the demand bid group in the demand forecast amount display area 73, and displays the power purchase bid plan in the power purchase bid plan display. It is displayed in the area 74 (step S231).

When the bid button 75 is pressed by operating the power seller terminal ST, the power trading system 10 indicates that the bid is bid for the power purchase bid plan of the demand bid group selected in the demand bid group display area 72 (bid instruction). Is transmitted to (step S241).
Then, the electric power trading system 10 that has received the bidding instruction registers in the bidding database 23a that the bidding has been entered in the demand bidding group selected in the demand bidding group display area 72 (that the bidding has been made) (step). S242).

<3.3.3. Contract processing>
Next, the contract processing in step S260 will be described with reference to FIGS. 17 and 18.
FIG. 10 is a flowchart showing a contract procedure by the electric power trading system according to the embodiment of the present invention, and FIG. 18 shows an example of a power purchase bid display screen displayed on the power purchaser terminal when searching for a demand bidding group. It is a figure.

When the power purchaser confirms the bid for the power purchase bid plan (power purchase bid), the power purchaser accesses the power transaction system 10 by the power purchaser terminal BT and calls the power purchase bid confirmation screen data (step S261). ).
Upon receiving the call for the power purchase bid confirmation screen data, the power transaction system 10 transmits the power purchase bid confirmation screen data to the power purchaser terminal BT (step S262).
As a result, the power purchaser terminal BT displays the power purchase bid confirmation screen 80 as shown in FIG. 18 (step S263).

Here, the power purchase bid confirmation screen 80 will be described.
The power purchase bid confirmation screen 80 is composed of a power purchase bid search condition input area 81, a power purchase bid display area 82, and a contract button 83.

The power purchase bid search condition input area 81 is composed of a demand bid group name input field 81a, a bidder name input field 81b, a power purchase bid search button 81c, and a clear button 81d.

The demand bid group name input field 81a is a field for inputting a keyword when searching for a registered demand bid group.
The bidder name input field 81b is a field for inputting a keyword when searching for a bidder (power seller).
The power purchase bid search button 81c is a button for transmitting an instruction to search for a power purchase bid to the electric power trading system 10 based on the information input in the demand bid group name input field 81a and the bidder name input field 81b.
The clear button 81d is a button for deleting the information selected in the demand bid group name input field 81a and the bidder name input field 81b.

In the power purchase bid display area 82, the power purchase bid information transmitted from the power purchase bid information transmitting means 125 of the electric power trading system 10 is displayed one by one per line.
In each line of the power purchase bid display area 82, a demand bid group name, bidders, power purchase bid plans, and the like are displayed.
Further, each line of the power purchase bid display area 82 can be freely selected.

The contract button 83 transmits information on the power purchase bid selected in the power purchase bid display area 82 to the power trading system 10.

Returning to FIG. 17, the contract processing will be further described.
The power purchaser inputs a search condition for searching for a power purchase bid that is convenient for the power purchaser in the power generation bid search condition input area 81 by the power purchaser terminal BT.
Then, when the power purchase bid search button 81c is pressed by operating the power purchaser terminal BT, the power purchaser terminal BT sets the search condition of the power sale bid input in the power generation bid search condition input area 81 to the power trading system 10. (Step S264).

The electric power transaction system 10 that has received the search condition for the power purchase bid searches for a power purchase bid for the power purchase bid plan that matches the received search condition (step S265).
Then, the power purchase bid information transmission means 125 of the electric power transaction system 10 transmits the search result (information on the power purchase bid for the power purchase bid plan that matches the search condition) to the power purchaser terminal BT (step S266).

The power purchaser terminal BT that has received the search result from the power transaction system 10 displays the power purchase bid that matches the search condition in the power purchase bid display field 82 (step S267).

The power purchaser confirms the power purchase bid displayed in the power purchase bid display field 82 of the power purchase bid confirmation screen 80 by the power purchaser terminal BT, selects the most favorable power purchase bid, and selects the contract button 83. Press.
When the contract button 83 is pressed by operating the power purchaser terminal BT, one power purchase bid selected in the power purchase bid display field 82 is transmitted to the power transaction system 10 as a contract target (step S268).

Then, the power selling contract registration means 216 of the electric power trading system 10 that has received the information of the power purchase bid to be contracted registers one power purchase bid in the bid database 23a (step S269).
This completes the long-term bilateral transaction between the power buyer and the power seller.

<3.2.4. Summary>
The electric power trading system 10 of the present embodiment configured in this way bids a demand bidding group composed of one or more supply points under the jurisdiction of the power purchaser based on the instruction from the power purchaser terminal ST. That is, the information of the demand bidding group consisting of two or more supply points under the jurisdiction of the purchaser is registered in at least the bidding database 23a, or the demand bidding group consisting of two or more supply points is registered in. The demand bid group registration means 121 for registering the information of the demand bid group composed of the supply points of 1 and 1 in the bid database 23a, and the demand bid group registered in the bid database 23a for the power seller terminal ST of the power seller. The demand bid group search means 122 for searching based on the search conditions transmitted from the above, and the demand bid information transmission means 123 for transmitting the search result by the demand bid group search means 122 to the power seller terminal ST of the power seller. By providing, the power seller can freely select the demand bidding group that has jurisdiction over a specific supply point, and the power seller can purchase power from the demand bidding group selected by the power seller himself, so that the power seller is the highest. It is possible to realize power procurement with a high degree of freedom for the power seller, such as procuring a demand bidding group that presents a bid price.

Further, the power purchase bid plan creation means 124 for creating the power purchase bid plan of the demand bid group in the power purchase period input from the power purchaser terminal BT of the power purchaser is further provided, and the demand bid information transmission means 123 is in demand. By transmitting the power purchase bid plan to the power seller terminal ST of the power seller as a search result by the bid group search means 122, the power seller carefully examines the demand bid group based on the power purchase bid plan and then makes a demand bid. Since the group can be selected, the matching accuracy between the power buyer and the power seller can be improved.

Further, the actual power consumption acquisition means 310 for acquiring the actual power consumption of the supply point up to the predetermined time, and the power demand forecast amount for each unit time of the supply point after the predetermined time based on the actual power consumption of the supply point. The power purchase bid plan created by the power purchase bid plan creation means 124 further includes the power demand forecast amount calculation means 320 for calculating the power consumption forecast amount for each unit time of each supply point belonging to the demand bid group. The demand bid group power demand forecast amount, which is the sum of the power consumption forecast amount for each unit time of each supply point belonging to the demand bid group, is transmitted by the demand bid information transmission means by including the power demand forecast amount of the demand bid group. Therefore, the power seller can confirm the magnitude of the time change of the power consumption of the power purchaser and realize the power sale.

Further, the power purchase bid information transmitting means 125 that displays the power purchase bid information of the power seller for the power purchase bid plan on the power purchaser terminal BT of the power purchaser, and one purchase selected based on the operation of the power purchaser. By further providing the power selling contract registration means 126 for registering the power bill in the bid database, the power purchaser can select the power seller to purchase the power after confirming the bid conditions. It is possible to further improve the matching accuracy between the electric power person and the electric power seller.

<4. Modification example>
Although the examples of the present invention have been described above, the present invention is not limited to the above.

For example, one power purchaser may purchase power from a plurality of power sellers using the power trading system of this embodiment.
Similarly, one electric power seller may sell electric power to a plurality of electric power buyers by using the electric power trading system of this embodiment.

For example, in this embodiment, the other electric power trading system is a JEPX electric power trading system, but the other electric power trading system is an electric power trading system other than JEPX if it is an electric power trading system for physical and forward trading of electric power. It may be a system.

For example, the electric power trading system 10 may be composed of a plurality of processing devices 20.
Specifically, the storage unit and the processing unit may be configured as separate processing devices.

For example, in the present embodiment, the processing performed by the electric power trading system 10 may be performed by the power seller terminal ST or the power purchaser terminal BT.

For example, in this embodiment, the "environmental data" may be meteorological data, forecast data, or calendar data stored in the meteorological database DB, but the situation around the power generation point for which the predicted power generation amount is to be calculated. The data is not limited to this as long as it is data related to the situation around the supply point for which the forecast amount of power demand is to be calculated.

For example, in this embodiment, various information is stored in the storage unit 23 of the processing device 20, but these information are not limited to storage in the storage unit 23, and are stored in, for example, a blockchain database. You may.

10 ・ ・ ・ Electricity transaction system 100 ・ ・ ・ Long-term bilateral transaction subsystem 110 ・ ・ ・ Power purchase transaction component 111 ・ ・ ・ Power generation bid group registration means 112 ・ ・ ・ Power generation bid group search means 113 ・ ・ ・ Power generation bid information transmission Means 114 ・ ・ ・ Power sale bid plan creation means 115 ・ ・ ・ Power sale bid information transmission means 116 ・ ・ ・ Power purchase contract registration means 120 ・ ・ ・ Power sale transaction component 121 ・ ・ ・ Demand bid group registration means 122 ・ ・・ Demand bid group search means 123 ・ ・ ・ Demand bid information transmission means 124 ・ ・ ・ Power purchase bid plan creation means 125 ・ ・ ・ Power purchase bid information transmission means 126 ・ ・ ・ Power purchase contract registration means 200 ・ ・ ・ Short-term supply and demand Adjustment subsystem 300 ・ ・ ・ Common subsystem 310 ・ ・ ・ Actual power consumption acquisition means 320 ・ ・ ・ Power demand forecast amount calculation means 330 ・ ・ ・ Power generation amount acquisition means 340 ・ ・ ・ Power generation forecast amount calculation means

20 ・ ・ ・ Processing device 21 ・ ・ ・ Communication unit 22 ・ ・ ・ Input unit 23 ・ ・ ・ Storage unit 23a ・ ・ ・ Bid database 24 ・ ・ ・ Processing unit

DB ・ ・ ・ Meteorological database NW ・ ・ ・ Network FSM ・ ・ ・ Forward power flow measurement meter RSM ・ ・ ・ Reverse power flow measurement meter ES ・ ・ ・ Other power trading system BT ・ ・ ・ Power purchaser terminal ST ・ ・ ・ Power sale Person terminal

The present invention relates to an electric power trading system, an electric power trading method, and an electric power trading program that support electric power trading between a power purchaser who wants to purchase electric power and a power seller who wants to sell electric power.

From April 1, 2016, the entry into the electricity retail business was completely liberalized, and electric power, which was previously only able to contract with the electric power company (former general electric power company) decided in the region, has newly entered. It is now possible to freely select and contract an electric power company, including new electric power.

Therefore, there is known an electric power trading system in which an electric power purchaser can purchase electric power from an optimal electric power seller in order to reduce the electric power procurement cost (for example, Non-Patent Document 1).

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The above-mentioned electric power trading system is a system used by electric power buyers, and cannot be used by electric power sellers who want to sell electricity at the highest possible price.
In addition, the power purchaser could freely select the power generation bidding group that has jurisdiction over a specific power generation point, and could not procure power from the power generation bidding group selected by the power purchaser himself.
Therefore, in the conventional electric power trading system, it is not possible to realize electric power trading with a high degree of freedom for electric power traders such as electric power buyers and electric power sellers, and there is room for further improvement.

Therefore, the present invention solves the problems of the prior art as described above, that is, the object of the present invention is an electric power trading system and an electric power trading method that realizes electric power trading with a high degree of freedom for electric power traders. And to provide an electricity trading program.

The invention according to claim 1 includes a processing device and a bidding database, and is connected to a power purchaser terminal of a power purchaser who wants to purchase power and a power seller terminal of a power seller who wants to sell power. A power trading system that supports a power transaction between the power purchaser and the power seller, wherein the power seller terminal processes the information of the power generation bidding group regarding the power generation point under the jurisdiction of the power seller. The power purchaser terminal transmits the search condition regarding the power generation bidding group to the processing device, and the processing device transmits the power generation bid group based on the instruction from the power seller terminal. The power generation bid group registration means for registering at least the information of the power generation bid group composed of two or more power generation points under the jurisdiction of the electric power generation in the bid database, and the information of the power generation bid group registered in the bid database are described above. Power generation bid group search means for searching based on the search conditions transmitted from the power purchaser terminal of the power purchaser, and power generation for transmitting the search results by the power generation bid group search means to the power purchaser terminal of the power purchaser. By providing a means for transmitting bid information, the above-mentioned problems can be solved.

In the invention according to claim 2, in addition to the configuration of the electric power trading system according to claim 1, the power generation bidding group in the electric power sale period in which the processing apparatus is input from the electric power seller terminal of the electric power seller. The power generation bid information transmission means of the processing device further comprises a power sale bid plan creation means for creating the power sale bid plan of the power generation bid group, and the power generation bid information transmission means of the power generation bid group is used as a search result by the power generation bid group search means. By transmitting to the power purchaser terminal, the above-mentioned problems are further solved.

The invention according to claim 3 has the above-mentioned problem because, in addition to the configuration of the electric power trading system according to claim 2, the electric power sale bidding plan includes information for specifying the electric power source of the power generation bidding group. Is a further solution.

In the invention according to claim 4, in addition to the configuration of the electric power trading system according to claim 2 or 3, the processing apparatus provides information on the electricity selling bid of the electricity purchaser with respect to the electricity selling bidding plan. A means for transmitting power-selling bid information to be transmitted to the power-selling terminal of the power-selling person, and a means for registering a power-buying contract for contract registration of one of the power-selling bids selected based on the operation of the power-selling person in the bidding database. By further providing the above-mentioned problems, the above-mentioned problems can be further solved.

The invention according to claim 5 includes a processing device and a bidding database, and is connected to a power purchaser terminal of a power purchaser who wants to purchase power and a power seller terminal of a power seller who wants to sell power. An electric power trading system that supports an electric power transaction between the electric power purchaser and the electric power seller, and the electric power purchaser terminal processes the information of a demand bidding group regarding a supply point under the jurisdiction of the electric power purchaser. The power seller terminal transmits the search condition regarding the demand bidding group to the processing device, and the processing device transmits the search condition to the processing device, and the processing device transmits the purchase based on an instruction from the power purchaser terminal. The demand bid group registration means for registering at least the information of the demand bid group composed of two or more supply points under the jurisdiction of the electrician in the bid database, and the information of the demand bid group registered in the bid database are described above. Demand bid group search means for searching based on the search conditions transmitted from the power seller terminal of the power seller, and demand for transmitting the search results by the demand bid group search means to the power seller terminal of the power seller. By providing a means for transmitting bid information, the above-mentioned problems can be solved.

In the invention according to claim 6, in addition to the configuration of the electric power trading system according to claim 5, the demand bidding group in the electric power purchase period in which the processing device is input from the electric power purchaser terminal of the electric power purchaser. The power purchase bid plan creation means for creating the power purchase bid plan is further provided, and the demand bid information transmission means of the processing device uses the power purchase bid plan as a search result by the demand bid group search means of the power seller. By transmitting to the power seller terminal, the above-mentioned problems are further solved.

In the invention according to claim 7, in addition to the configuration of the electric power trading system according to claim 5, the electric power actual consumption acquisition means for the processing apparatus to acquire the actual electric power consumption at the supply point up to a predetermined time. Further, the power purchase bid plan is further provided with a power demand forecast amount calculation means for calculating the power demand forecast amount for each unit time of the supply point after a predetermined time based on the power actual consumption amount of the supply point. The above-mentioned problem is further solved by including the demand bid group power demand forecast amount which is the sum of the power consumption forecast amount for each unit time of each supply point constituting the demand bid group.

In the invention according to claim 8, in addition to the configuration of the electric power trading system according to claim 6 or 7, the processing apparatus provides information on the power purchase bid of the power seller for the power purchase bid plan. A means for transmitting power purchase bid information displayed on the power purchaser terminal of the power purchaser, and a power selling contract registration means for contracting and registering one of the power purchase bids selected based on the operation of the power purchaser in the bid database. By further providing the above-mentioned problems, the above-mentioned problems can be further solved.

The invention according to claim 9 includes a processing device having a power generation bid group registration means, a power generation bid group search means, and a power generation bid information transmission means, and a bid database, and is a power purchaser of a power purchaser who wishes to purchase power. A power trading method for supporting a power transaction between the power purchaser and the power seller by a power trading system to which the terminal and the power seller terminal of the power seller who wishes to sell the power are connected. A step in which the power generation bid group registration means of the processing device registers at least the information of the power generation bid group composed of two or more power generation points under the jurisdiction of the power seller in the bid database based on the instruction from the power seller terminal. And a step in which the power generation bid group search means of the processing device searches for the information of the power generation bid group registered in the bid database based on the search condition transmitted from the power purchaser terminal of the power purchaser. The power generation bid information transmission means of the processing device includes a step of transmitting the search result by the power generation bid group search means to the power purchaser terminal of the power purchaser, thereby solving the above-mentioned problem. be.

The invention according to claim 10 includes a processing device having a demand bid group registration means, a demand bid group search means, and a demand bid information transmission means, and a bid database, and is a power purchaser of a power purchaser who wishes to purchase power. A power trading method for supporting a power transaction between the power purchaser and the power seller by a power trading system to which the terminal and the power seller terminal of the power seller who wishes to sell the power are connected. A step in which the demand bid group registration means of the processing device registers at least the information of the demand bid group composed of two or more supply points under the jurisdiction of the power purchaser in the bid database based on the instruction from the power purchaser terminal. And a step in which the demand bid group search means of the processing device searches for the information of the demand bid group registered in the bid database based on the search condition transmitted from the power seller terminal of the power seller. The above-mentioned problem is solved by providing the step of transmitting the search result by the demand bid group search means to the power seller terminal of the power seller by the demand bid information transmission means of the processing device. be.

The invention according to claim 11 is an electric power trading program that supports an electric power transaction between a power purchaser who wants to purchase electric power and a power seller who wants to sell electric power, and is claimed 9 or 10. The above-mentioned problem is solved by causing the processing apparatus to execute each step of the electric power trading method described in the above.

Here, the "power purchaser" in the present invention is a person who has jurisdiction over one or more electricity supply points specified by the supply point identification number, and is assigned a supply point identification number (electricity). (Consumers, etc. who are the main contractors of various contracts) and those who are not assigned a supply point specific number (a retail electricity company that supplies electricity to consumers, an agent (agency for the conclusion of retail supply contracts) Person), etc.).
Further, the "power seller" in the present invention is a person who has jurisdiction over one or more power generation points of electricity specified by the power receiving point identification number, and possesses a power generation facility in which the power receiving point identification number is set. (Power generation companies under the Electricity Business Law such as electric power companies and gas companies, power generation equipment owners who own power generation equipment and wish to sell the power generated by the power generation equipment), and the power receiving point identification number Those who do not own the set power generation equipment but have concluded a contract (power generation adjustment supply contract) with the power transmission and distribution company that is responsible for power generation adjustment (power generation adjustment supply contract) (retail electric power company, it is effective to bundle the power demand of consumers It means an aggregator, etc. that provides energy management services to.
Further, the "jurisdiction" in the present invention includes not only the meaning of "ownership" but also the meaning of "management by contract".

According to the power generation trading system of the invention according to claim 1, the processing device obtains information of a power generation bidding group composed of two or more power generation points under the jurisdiction of the power seller based on an instruction from the power seller terminal. At least the power generation bid group registration method registered in the bid database and the power generation bid group search for searching the information of the power generation bid group registered in this bid database based on the search conditions sent from the power purchaser terminal of the power purchaser. By providing means and a power generation bid information transmission means for transmitting the search result by the power generation bid group search means to the power purchaser terminal of the power purchaser, the power purchaser has jurisdiction over a specific power generation point. Since the group can be freely selected and power can be procured from the power generation bidding group selected by the power purchaser himself, the power purchaser can procure power from the power generation bidding group that offers the cheapest selling price. It is possible to realize power generation with a high degree of freedom.

According to the power trading system of the invention according to claim 2, in addition to the effect of the power trading system of the invention according to claim 1, the processing apparatus has a power sale period input from the power seller terminal of the power seller. Further equipped with a means for creating a power-selling bid plan for creating a power-selling bid plan for a power generation bid group in By sending to the power purchaser terminal, the power purchaser can select the power generation bid group after carefully examining the power generation bid group based on the power sale bid plan, so that the matching accuracy between the power purchaser and the power seller can be selected. Can be improved.

According to the electric power trading system of the invention according to claim 3, in addition to the effect of the electric power trading system of the invention according to claim 2, the electric power sale bidding plan includes information specifying the electric power source of the power generation bidding group. This allows the power purchaser to select a power generation bidding group that has jurisdiction over a specific power source, so that the power purchaser can easily realize power procurement such that the energy required for business operation is 100% renewable energy. be able to.

According to the electric power trading system of the invention according to claim 4, in addition to the effect of the electric power trading system of the invention according to claim 2 or 3, the processing apparatus sells the electric power of the power purchaser to the electric power selling bidding plan. A power-selling bid information transmitting means for transmitting bid information to the power-selling terminal of the power-selling person, and a power-buying contract registration means for contract-registering one power-selling bid selected based on the operation of the power-selling person in the bid database. By further providing, the power purchaser can select the power seller who purchases the power after confirming the bid conditions, so that the matching accuracy between the power purchaser and the power seller can be further improved. Can be done.

According to the power trading system of the invention according to claim 5, the processing device obtains information of a demand bidding group composed of two or more supply points under the jurisdiction of the power purchaser based on an instruction from the power purchaser terminal. Demand bid group search that searches at least the demand bid group registration method registered in the bid database and the information of the demand bid group registered in this bid database based on the search conditions sent from the power seller terminal of the power seller. By providing a means and a demand bid information transmission means for transmitting the search result by the demand bid group search means to the power seller terminal of the power seller, the power seller has jurisdiction over a specific supply point. Since the group can be freely selected and electricity can be purchased from the demand bidding group selected by the power seller, the power seller has the freedom to procure the demand bidding group that offers the highest bid price. It is possible to realize high power procurement.

According to the power trading system of the invention according to claim 6, in addition to the effect of the power trading system of the invention according to claim 5, the processing apparatus has a power purchase period input from the power purchaser terminal of the power purchaser. Further equipped with a means for creating a power purchase bid plan for creating a power purchase bid plan for a demand bid group in the above, the demand bid information transmission means of the processing device sells the power purchase bid plan as a search result by the demand bid group search means. By sending to the power seller terminal, the power seller can select the demand bid group after carefully examining the demand bid group based on the power purchase bid plan, so that the matching accuracy between the power purchaser and the power seller can be selected. Can be improved.

According to the electric power trading system of the invention of claim 7, in addition to the effect of the electric power trading system of the invention of claim 6, the electric power of the processing apparatus to acquire the actual electric power consumption of the supply point by a predetermined time. A power purchase bid plan is further equipped with a means for acquiring actual power consumption and a means for calculating power demand forecast amount for each unit time of the power supply point after a predetermined time based on the actual power consumption at the supply point. However, by including the demand bid group power demand forecast amount, which is the sum of the unit time power consumption forecast amounts of each supply point constituting the demand bid group, the power consumption of each supply point belonging to the demand bid group per unit time. Since the demand bid group power demand forecast amount, which is the sum of the forecast amounts, is transmitted by the demand bid information transmission means, the power seller can confirm the magnitude of the time change of the power consumption of the power purchaser and realize the power sale. can.

According to the electric power trading system of the invention according to claim 8, in addition to the effect of the electric power trading system of the invention according to claim 6 or 7, the processing apparatus purchases electric power of the seller for the electric power purchase bidding plan. A power-buying bid information transmission means for displaying bid information on the power-buyer terminal of the power-buying person, and a power-selling contract registration means for contract-registering one power-buying bid selected based on the operation of the power-buying person in the bid database. By further providing, the power purchaser can select the power seller who purchases the power after confirming the bid conditions, so that the matching accuracy between the power purchaser and the power seller can be further improved. can.

According to the power generation method of the invention according to claim 9, the power generation bid group registration means of the processing device is composed of two or more power generation points under the jurisdiction of the power seller based on the instruction from the power seller terminal. At least the step of registering the group information in the bid database, and the power generation bid group search means registered in the bid database in the search condition sent from the power buyer terminal of the power buyer. The power purchaser is identified by having a step of searching based on the power generation bid information transmission means of the processing device and a step of transmitting the search result by the power generation bid group search means to the power generation buyer terminal of the power purchaser. Since it is possible to freely select the power generation bidding group that has jurisdiction over the power generation point of the power generation point and to procure power from the power generation bidding group selected by the power purchaser himself, the power purchaser procures power from the power generation bidding group that offers the cheapest selling price. It is possible to realize power generation with a high degree of freedom for the power purchaser.

According to the power trading method of the invention according to claim 10, the demand bidding group registration means of the processing device is composed of two or more supply points under the jurisdiction of the power purchaser based on the instruction from the power purchaser terminal. At least the step of registering the group information in the bid database, and the demand bid group search method of the processing device registered in the bid database as the search condition sent from the power seller terminal of the power seller. The seller is identified by having a step of searching based on and a step of transmitting the search result by the demand bid group search means to the seller terminal of the seller by the demand bid information transmitting means of the processing device. Since the demand bid group that has jurisdiction over the supply point of the power supply point can be freely selected and electricity can be purchased from the demand bid group selected by the power seller himself, the power seller should procure the demand bid group that offers the highest bid price. In addition, it is possible to realize power procurement with a high degree of freedom for the power seller.

According to the power trading program of the invention according to claim 11, the power purchaser has jurisdiction over a specific power generation point by causing the processing apparatus to execute each step of the power trading method according to claim 9 or 10. Since the power generation bidding group can be freely selected and the power can be procured from the power generation bidding group selected by the power purchaser himself, the power purchaser can procure the power from the power generation bidding group that offers the cheapest selling price. It is possible to realize electricity procurement with a high degree of freedom for the person.
Alternatively, the power seller offers the highest bid price because the power seller can freely select the demand bidding group that has jurisdiction over a specific supply point and can purchase power from the demand bidding group selected by the power seller himself. It is possible to realize power procurement with a high degree of freedom for the power seller, such as procuring a demand bidding group.

FIG. 3 is a network configuration diagram to which an electric power trading system according to an embodiment of the present invention is connected. The system configuration diagram of the electric power trading system shown in FIG. The device configuration diagram of the processing device. The flowchart which shows the prediction procedure of the electric power demand amount of a supply point by the electric power trading system which is an embodiment of this invention. The flowchart which shows the prediction procedure of the power generation amount of the power generation point by the power transaction system which is an Example of this invention. The flowchart which shows the electric power purchase procedure by the electric power purchaser using the electric power transaction system which is an embodiment of this invention. The flowchart which shows the registration procedure of the power generation bidding group by the electric power trading system which is an embodiment of this invention. The figure which shows an example of the power generation bidding group setting screen displayed on the power seller terminal when registering a power generation bidding group. The figure which shows an example of the power generation bid group setting screen displayed on the power seller terminal at the time of registration of a power generation bid group. The flowchart which shows the search procedure of the power generation bidding group by the electric power trading system which is an embodiment of this invention. The figure which shows an example of the power generation bid group search screen displayed on the power seller terminal when searching the power generation bid group. The flowchart which shows the contract procedure by the electric power trading system which is an Example of this invention. The figure which shows an example of the power sale bid display screen displayed on the power seller terminal when searching the power generation bid group. The flowchart which shows the electric power sales procedure by the electric power seller using the electric power transaction system which is an embodiment of this invention. The flowchart which shows the registration procedure of the demand bidding group by the electric power transaction system which is an Example of this invention. The figure which shows an example of the demand bid group setting screen displayed on the power purchaser terminal when registering a demand bid group. The figure which shows an example of the demand bid group setting screen displayed on the power purchaser terminal when registering a demand bid group. The flowchart which shows the search procedure of the demand bidding group by the electric power transaction system which is an embodiment of this invention. The figure which shows an example of the demand bid group search screen displayed on a power purchaser terminal when searching for a demand bid group. The flowchart which shows the contract procedure by the electric power trading system which is an Example of this invention. The figure which shows an example of the power purchase bid display screen displayed on the power purchaser terminal when searching the demand bid group.

In the power trading system of the present invention, the processing device registers at least the information of the power generation bidding group consisting of two or more power generation points under the jurisdiction of the power seller in the bid database based on the instruction from the power seller terminal. The power generation bid group registration means, the power generation bid group search means for searching the information of the power generation bid group registered in this bid database based on the search conditions sent from the power purchaser terminal of the power purchaser, and this power generation bid. The power generation bid information transmission means for transmitting the search result by the group search means to the power purchaser terminal of the power purchaser is provided, and the processing device purchases power based on the instruction from the power purchaser terminal. The power bid group registration means that registers at least the information of the demand bid group consisting of two or more supply points under the jurisdiction of the power generator in the bid database, and the information of the demand bid group registered in this bid database of the power seller. A demand bid group search means for searching based on the search conditions transmitted from the power seller terminal and a demand bid information transmission means for transmitting the search results by the demand bid group search means to the power seller terminal of the power seller. Any specific embodiment may be used as long as the power generation can be provided with a high degree of freedom for the power generation trader.

Further, in the power generation trading method of the present invention, the power generation bidding group registration means of the processing device obtains information on a power generation bidding group composed of two or more power generation points under the jurisdiction of the power seller based on an instruction from the power seller terminal. At least the step of registering in the bid database and the power generation bid group search means of the processing device search for the information of the power generation bid group registered in the bid database based on the search conditions transmitted from the power purchaser terminal of the power purchaser. By providing a step of transmitting power generation bid information of the processing device and a step of transmitting the search result by the power generation bid group search means to the power purchaser terminal of the power purchaser, the demand bid group of the processing device is also provided. The registration method is a step of registering at least the information of the demand bidding group consisting of two or more supply points under the jurisdiction of the power purchaser in the bid database based on the instruction from the power purchaser terminal, and the demand bid group search of the processing device. The step of searching the information of the demand bid group whose means is registered in the bid database based on the search conditions transmitted from the power seller terminal of the power seller, and the demand bid group search by the demand bid information transmission means of the processing device. If the step of transmitting the search result by the means to the power seller terminal of the power seller is provided to realize the power generation with a high degree of freedom for the power generation trader, the specific embodiment thereof is. , It doesn't matter what it is.

Further, in the power generation trading program of the present invention, the power generation bidding group registration means of the processing device obtains information on the power generation bidding group composed of two or more power generation points under the jurisdiction of the power seller based on the instruction from the power seller terminal. At least the step of registering in the bid database and the power generation bid group search means of the processing device search for the information of the power generation bid group registered in the bid database based on the search conditions sent from the power purchaser terminal of the power purchaser. By causing the processing device to execute a step and a step in which the power generation bid information transmitting means of the processing device transmits the search result by the power generation bidding group search means to the power purchaser terminal of the power purchaser, the demand bidding of the processing device is also performed. The group registration means registers at least the information of the demand bidding group consisting of two or more supply points under the jurisdiction of the power purchaser in the bid database based on the instruction from the power purchaser terminal, and the demand bidding group of the processing device. The step of searching the information of the demand bid group registered in the bid database based on the search conditions transmitted from the power seller terminal of the power seller, and the demand bid information transmission means of the processing device are the demand bid group. If the processing device executes a step of transmitting the search result by the search means to the power seller terminal of the power seller, and the power generation can be realized with a high degree of freedom for the power trader, the specific method is specified. The embodiment may be any.

For example, the power purchaser terminal and the power seller terminal may be any mobile phone, smartphone, tablet, personal computer, or the like as long as they have a communication function.

Hereinafter, an electric power trading system, an electric power trading method, and an electric power trading program, which are examples of the present invention, will be described with reference to FIGS. 1 to 18.

<1. Overview of the network to which the power trading system is connected>
First, an outline of a network to which the electric power trading system 10 according to the embodiment of the present invention is connected will be described with reference to FIG.
FIG. 1 is a network configuration diagram to which an electric power trading system according to an embodiment of the present invention is connected.

As shown in FIG. 1, the electric power trading system 10 according to the embodiment of the present invention is connected to the network NW.
The network NW may be, for example, the Internet, an intranet that can be accessed only by a specific user, or a network in which these are combined.

The network NW includes the meteorological database DB referred to by the electric power trading system 10 and the electric power trading in the wholesale electric power trading market operated by other electric power trading system ES (specifically, JEPX (Japan Electric Power Exchange). System) etc. are connected.
In addition, a power transmission and distribution business operator that maintains a balance of power demand is also connected to this network NW.
A transmission and distribution business operator is a business operator that lays and maintains a transmission and distribution network and monitors the usage status of the transmission and distribution network (transmission and distribution destination, transmission and distribution amount, etc.).

Further, a power purchaser terminal BT owned by a power purchaser who wants to purchase electric power and a power seller terminal ST owned by a power seller who wants to sell electric power are also connected to this network NW.

The consumer has one or more electricity supply points specified by the supply point identification number, is the contracting entity of various electric power contracts, and has a power purchaser terminal BT.
At each of the customer's supply points, a forward flow meter FSM that digitally measures electric power and is connected to the network NW is installed.
This forward power flow meter FSM grasps the amount of electric power used in each predetermined cycle and transmits it to a power transmission and distribution business operator via a network NW, and includes, for example, a forward power flow smart meter.
The cycle in which the forward tide meter FSM grasps the amount of electric power used is, for example, a demand control cycle (a 30-minute cycle is common in Japan), but the cycle is not particularly limited.
Further, each supply point may be equipped with a power management system including a HEMS integrated with or separately from the forward flow measuring meter FSM.

The power generation company has one or more power generation points of electricity specified by the power receiving point identification number, and has a power seller terminal ST.
This power generation company owns power generation facilities (generators installed in thermal power plants, wind power plants, nuclear power plants, solar power plants, etc.) and controls and monitors each power generation facility. Is a person.
At each of the power generation points of the power generation company, a reverse power flow meter RSM connected to the network NW is installed while digitally measuring the electric power.
This reverse power flow measuring meter RSM grasps the amount of power generation for each predetermined cycle and transmits it to the power transmission and distribution business operator via the network NW, and includes, for example, a reverse power flow smart meter and the like.
The cycle in which the reverse power flow meter RSM grasps the amount of power generation or the like is, for example, a demand control cycle, but the cycle is not particularly limited.

In addition, this network NW is engaged in the business of retail electric power companies that supply electricity to consumers, aggregators that bundle the electricity demand of consumers and effectively provide energy management services, and mediation of the conclusion of retail supply contracts. An agent is connected.
A retail electric power company possesses at least one of a power purchaser terminal BT and a power seller terminal ST because it can be a power purchaser who wants to purchase electric power or a power seller who wants to sell electric power. ing.
Since the aggregator corresponds to a power seller who wants to sell electric power, he / she has a power seller terminal ST.
The agent has a power purchaser terminal BT because it corresponds to a power purchaser who wants to purchase electric power.

<2. Overview of electricity trading system>
Next, an outline of the electric power trading system 10 will be described with reference to FIGS. 1 to 3.
FIG. 2 is a system configuration diagram of the electric power trading system shown in FIG. 1, and FIG. 3 is a device configuration diagram of a processing device.

As shown in FIGS. 1 and 2, the electric power trading system 10 is a long-term bilateral trading subsystem 100 that supports electric power trading between a power purchaser who wants to purchase electric power and a power seller who wants to sell electric power. The short-term supply-demand adjustment system 200 that adjusts the power supply-supply balance between supply points on the day before the power supply date and the day of the power supply date to minimize the imbalance amount in the planned value simultaneous equal amount system, and the long-term bilateral trading subsystem 100. And a common subsystem 300 that carries out processing common to the short-term supply and demand adjustment system 200.

<2.1. Long-term bilateral trading subsystem ＞
As shown in FIGS. 1 and 2, the long-term bilateral transaction subsystem 100 includes a power purchase transaction component 110 for conducting a power transaction mainly by a power purchaser and a power sale transaction component for conducting a power transaction mainly by a power seller. It has 120 and.

As shown in FIG. 2, the power purchase transaction component 110 includes a power generation bid group registration means 111, a power generation bid group search means 112, a power generation bid information transmission means 113, a power sale bid plan creation means 114, and a power sale bid. It has an information transmission means 115 and a power purchase contract registration means 116.

The power generation bidding group registration means 111 registers a power generation bidding group (for example, GA1 shown in FIG. 1) composed of one or more power generation points under the jurisdiction of the seller in the bidding database 23a (see FIG. 3) described later.
The power generation bidding group search means 112 searches for a power generation bidding group registered in the bidding database 23a.
The power generation bid information transmission means 113 transmits the power sale bid plan to the power purchaser terminal BT of the power purchaser as a search result by the power generation bid group search means 112.
The power selling bid plan creating means 114 creates a power selling bid plan for the power generation bidding group during the power selling period input from the power selling terminal ST of the power seller.
The power selling bid information transmitting means 115 transmits the information of the power selling bid of the power purchaser to the power selling bid plan by the power seller to the power seller terminal ST of the power seller.
The power purchase contract registration means 116 contracts and registers one power sale bid selected based on the operation of the power seller in the bid database 23a.

As shown in FIG. 2, the power sale transaction component 120 includes a demand bid group registration means 121, a demand bid group search means 122, a demand bid information transmission means 123, a power purchase bid plan creation means 124, and a power purchase bid. It has an information transmitting means 125 and a power selling contract registration means 126.

The demand bidding group registration means 121 registers a demand bidding group (for example, GX1 shown in FIG. 1) composed of one or more supply points under the jurisdiction of the power purchaser in the bidding database 23a.
The demand bid group search means 122 searches for a demand bid group registered in the bid database 23a.
The demand bid information transmission means 123 transmits the power purchase bid plan to the power seller terminal ST of the power seller as a search result by the demand bid group search means 122.
The power purchase bid plan creation means 124 creates a power purchase bid plan for the demand bidding group during the power purchase period input from the power purchaser terminal BT of the power purchaser.
The power purchase bid information transmitting means 125 transmits the information of the power purchase bid of the power seller to the power purchase bid plan by the power purchaser to the power purchaser terminal BT of the power purchaser.
The power sale contract registration means 126 contracts and registers one power purchase bid selected based on the operation of the power purchaser in the bid database 23a.

<2.2. Common subsystem>
As shown in FIG. 2, the common subsystem 300 includes at least an actual power consumption amount acquisition unit 310, a power demand forecast amount calculation unit 320, a power generation amount acquisition unit 330, and a power generation forecast amount calculation unit 340. ..

The actual power consumption acquisition means 310 acquires the actual power consumption at a predetermined supply point up to a predetermined time.
The electric power demand forecast amount calculating means 320 calculates the electric power demand forecast amount of the supply point after a predetermined time based on the electric power actual consumption amount of the supply point acquired by the electric power actual consumption amount acquisition means 310.
The power generation amount acquisition means 330 acquires the power generation amount at a predetermined power generation point up to a predetermined time.
The power generation prediction amount calculation means 340 calculates the power generation prediction amount of the power generation point after a predetermined time based on the power generation amount of the power generation point acquired by the power generation amount acquisition means 330.

<2.3. Processing equipment>
The electric power trading system 10 configured as described above is composed of at least one processing device 20.
The processing device 20 has a communication unit 21 connected to the network NW, an input / output unit 22 such as a man-machine interface that inputs information from the outside or outputs information to the outside, and a communication unit 21 from the network NW. It is input from the storage unit 23 that stores the acquired data, the input from the input / output unit 22, the power trading program, etc., and the data and the input / output unit 22 obtained from the network NW by the power trading program stored in the storage unit 23. It is provided with a processing unit 24 for processing the information and the like.
The storage unit 23 has a bidding database 23a for storing the progress of electric power transactions between the power purchaser and the power seller.
The processing device 20 configured in this way constitutes each component and each means of each subsystem of the electric power trading system 10.

<3. Electricity trading method>
Next, a power trading method by the power trading program stored in the power trading system 10 shown in FIGS. 1 and 2 and the processing device 20 shown in FIG. 3 will be described with reference to FIGS. 4A to 18.

<3.1. Acquisition of actual power consumption and power generation, and forecast of power demand and power generation>
First, based on FIGS. 4A and 4B, acquisition of actual power consumption at a supply point by the common subsystem 300 of the power trading system 10 and prediction of power demand, and power generation by the common subsystem 300 of the power trading system 10 The acquisition of the power generation amount at the point and the prediction of the power generation amount will be explained.
FIG. 4A is a flowchart showing a procedure for predicting the amount of power demand at a supply point by the power trading system according to the embodiment of the present invention, and FIG. 4B shows the prediction of the amount of power generated at the power generation point by the power trading system according to the embodiment of the present invention. It is a flowchart which shows the procedure.

<3.1.1. Acquisition of actual power consumption at supply points and calculation of power demand forecast>
First, the acquisition of the actual power consumption at the supply point and the calculation of the power demand forecast amount will be described with reference to FIG. 4A.

The acquisition of the actual power consumption at the supply point by the power trading system 10 is performed by the actual power consumption acquisition means 310 of the common subsystem 300.
The prediction of the electric power demand amount at the supply point (calculation of the electric power demand forecast amount) by the electric power trading system 10 is performed by the electric power demand forecast amount calculation means 320 of the common subsystem 300.

It should be noted that the acquisition of the actual power consumption by the actual power consumption acquisition means 310 and the prediction of the power demand amount by the power demand forecast amount calculation means 320 may be performed at any timing.
Further, the supply points from which the actual power consumption acquisition means 310 acquires the actual power consumption may be all supply points or some supply points.
Similarly, the supply points for which the electric power demand forecast amount calculation means 320 predicts the electric power demand amount may be all supply points or some supply points.

The actual power consumption acquisition means 310 of the power trading system 10 has a power consumption amount every 30 minutes at a predetermined (for example, all) supply points for the past minutes (for example, for the past one year from a predetermined start time) [ kWh] is acquired from the forward power flow meter FSM provided at each supply point via the power transmission and distribution business operator (step S10).
In the case of the first year when the forward power flow measuring meter FSM is installed, the actual power consumption acquisition means 310 obtains the actual power consumption every 30 minutes from the power transmission and distribution business operator.
Further, when the supply point itself is new, or when the actual power consumption of the supply point cannot be acquired, the actual power consumption acquisition means 310 estimates the actual power consumption by the existing power consumption model.

Next, the electric power demand forecast amount calculating means 320 of the electric power trading system 10 acquires the environmental data of each supply point and stores it in the storage unit 23 of the processing device 20 (step S11).
The "environmental data of the supply point" here means the weather data (temperature, humidity, pressure, solar radiation amount, rainfall amount) for the past year of each supply point acquired from the weather database DB by the power demand forecast amount calculation means 320. Etc.), weather forecast data for 84 hours at each supply point, or calendar data recording holidays and holidays.

Next, the electric power demand forecast amount calculating means 320 of the electric power trading system 10 acquires the actual electric power consumption for the past based on the actual electric power consumption for the past acquired in step S10 and the environmental data acquired in step S11. A power demand forecast amount [kWh] every 30 minutes for a predetermined period (for example, one year) at each supply point is calculated and stored in the storage unit 23 of the processing device 20 (step S12).

<3.1.2. Acquisition of power generation amount at power generation point and prediction of power generation amount>
Subsequently, the acquisition of the power generation amount at the power generation point and the calculation of the power generation predicted amount will be described with reference to FIG. 4B.

The acquisition of the power generation amount at the power generation point by the power transaction system 10 is performed by the power generation amount acquisition means 330 of the common subsystem 300.
The prediction of the power generation amount at the power generation point (calculation of the power generation prediction amount) by the power transaction system 10 is performed by the power generation prediction amount calculation means 340 of the common subsystem 300.

The acquisition of the power generation amount by the power generation amount acquisition means 330 and the prediction of the power generation amount by the power generation prediction amount calculation means 340 may be performed at any timing.
Further, the power generation points at which the power generation amount acquisition means 330 acquires the power generation amount may be all power generation points or some power generation points.
Similarly, the power generation points for which the power generation prediction amount calculation means 340 predicts the power generation amount may be all power generation points or some power generation points.

The power generation amount acquisition means 330 of the power trading system 10 obtains the power generation amount [kWh] every 30 minutes at a predetermined (for example, all) power generation points for the past (for example, for the past one year from a predetermined start date). It is acquired from the reverse power flow meter RSM provided at the power generation point via the power transmission and distribution business operator and stored in the storage unit 23 of the processing device 20 (step S20).
In the case of the first year when the reverse power flow measuring meter RSM is installed, the power generation amount acquisition means 330 obtains the power generation amount every 30 minutes from the power transmission and distribution business operator.
If the power generation point itself is new, or if the power generation amount at the power generation point cannot be acquired, the power generation amount acquisition means 330 estimates the power generation amount using the existing power generation model.

Next, the power generation prediction amount calculation means 340 of the power trading system 10 acquires the environmental data of each power generation point and stores it in the storage unit 23 of the processing device 20 (step S21).
The "environmental data of the power generation point" here means the weather data (temperature, humidity, pressure, solar radiation amount, rainfall amount, etc.) for the past year of each power generation point acquired from the weather database DB by the power generation forecast amount calculation means 340. ), Weather forecast data for 84 hours at each power generation point, or calendar data recording holidays and holidays.

Next, the power generation prediction amount calculation means 340 of the power trading system 10 is at each power generation point where the past power generation amount is acquired based on the past power generation amount acquired in step S20 and the environmental data acquired in step S21. The predicted power generation amount [kWh] every 30 minutes for a predetermined period (for example, one year) is calculated and stored in the storage unit 23 of the processing device 20 (step S22).

<3.2. Power purchase by the purchaser ＞
Subsequently, the procedure for purchasing electric power by the power purchaser will be described with reference to FIGS. 5 to 11.

First, an outline of the power purchase procedure by the power purchaser will be described with reference to FIG.
FIG. 5 is a flowchart showing a procedure for purchasing electric power by a power purchaser using the electric power trading system according to the embodiment of the present invention.

When the power purchaser selects a power generation bidding group to purchase power, as shown in FIG. 5, the power seller first registers the power generation bidding group in advance (step S100), and then the power purchaser. Searches for a power generation bidding group (step S120) and bids for power selling against the power selling bidding plan (step S140).
After that, the power seller confirms the power sale bid and performs the contract processing (step S160).
Hereinafter, each step will be described in detail.

<3.2.1. Registration of power generation bidding group>
First, the registration of the power generation bidding group by the power seller in step S100 will be described with reference to FIGS. 6 to 7B.
FIG. 6 is a flowchart showing a procedure for registering a power generation bidding group by the power trading system according to the embodiment of the present invention, and FIGS. 7A and 7B are power generation bids displayed on the power seller terminal when the power generation bidding group is registered. It is a figure which shows an example of a group setting screen.

When the power seller registers the power generation bid group, the power seller accesses the power trading system 10 by the power seller terminal ST and calls the power generation bid group setting screen data (step S101).
Upon receiving the call of the power generation bid group setting screen data, the power trading system 10 transmits the power generation bid group setting screen data to the power seller terminal ST (step S102).
As a result, the power seller terminal ST displays the power generation bidding group setting screen 30 as shown in FIGS. 7A and 7B (step S103).

Here, the power generation bidding group setting screen 30 will be described.
The power generation bid group setting screen 30 includes a power generation bid group information input area 31, a power generation point search condition input area 32, a power generation bid group registration area 33, a power generation amount simulation area 34, and a power sale desired unit price input area 35. , The power sale bid plan display area 36, the power sale bid plan registration button 37, and the return button 38.

The power generation bid group information input area 31 is composed of a bid area selection tab 31a, a power sale period input field 31b, and a power generation bid group name input field 31c.
In the power generation bid group information input area 31, the bid area is specified (selection of the bid area selection tab 31a), the power sale period is set (input in the power sale period input field 31b), and the power generation bid group name is input (). Input to the power generation bid group name input field 31c) is mandatory.

The bid area selection tab 31a is a drop-down list that displays bid area candidates (in Japan, a supply area that divides the country into 10), and one bid from the bid area displayed on the bid area selection tab 31a. The area can be freely selected.
The electric power sale period input field 31b is a field for inputting a target period for electric power sale (electric power sale period).
The power generation bid group name input field 31c is a field for inputting the name of the power generation bid group to be registered (preferably to which information specifying the power source is added).

The power generation point search condition input area 32 includes a search condition input field 32a, a search button 32b, and a clear button 32c.
The search condition input field 32a is a field for inputting a keyword for searching a predetermined power generation point from a pre-registered power generation point.
The search button 32b is a button for transmitting an instruction to search for a power generation point to the electric power transaction system 10 based on the keyword input in the search condition input field 32a.
The clear button 32c is a button for deleting the keyword input in the search condition input field 32a.

The power generation bid group registration area 33 is composed of a power generation point display field 33a, a power generation bid group display field 33b, an add button 33c, and a delete button 33d.
The power generation point display column 33a is a column in which the name of the power generation point, which is one of the information of the power generation point transmitted from the electric power transaction system 10, is displayed one by one in one line, and each line can be freely selected. There is.
The power generation bid group display column 33b is a column in which the names of the power generation points constituting the candidates of the power generation bid group are displayed one by one in one line, and each line can be freely selected.
The add button 33c is a button for adding the power generation point selected in the power generation point display field 33a to the power generation bid group display field 33b.
The delete button 33d is a button for deleting the power generation point selected in the power generation bid group display field 33b from the power generation bid group display field 33b.

The power generation amount simulation area 34 is composed of a power generation amount simulation button 34a and a power generation amount simulation column 34b.
The power generation amount display button 34a is a button for transmitting a command to the power transaction system 10 to add up the power generation predicted amounts of the power generation points displayed in the power generation bid group display column 33b.
The power generation amount display column 34b is a column in which the power generation predicted amount of the entire power generation point (power generation bid group candidate) displayed in the power generation bid group display field 33b transmitted from the power trading system 10 is displayed. , The transition of the power generation amount for a predetermined time (for example, every 30 minutes) for a predetermined period (for example, one day) corresponding to a predetermined condition (the day with the largest amount of power generation in one day) is displayed.

The power sale desired unit price input area 35 is composed of a power sale desired unit price input field 35a and a power sale bid plan display button 35b.
The power selling desired unit price input field 35a is a field for inputting the power selling desired unit price to be registered in the power selling bidding plan.
The power selling bid plan display button 35b causes the power selling bid plan creating means 114 of the power trading system 10 to create a power selling bid plan for the power generation bidding group candidate, and causes the power selling terminal ST to send the power selling bid plan. Is a button for transmitting to the power trading system 10.

In the power selling bid plan display area 36, the power selling bid plan of the power generation bidding group candidate received from the power trading system 10 is displayed.
Specifically, as a power generation bid plan, information for specifying the power source of the power generation bid group candidate (whether or not it is renewable energy, etc.), the total electric energy as the power generation bid group candidate [MWh], and the power generation bid group candidate. Average power consumption [kWh / day], annual maximum power as a power generation bid group candidate [kW], desired unit price for selling power as a power generation bid group candidate [yen / kWh], total price (total power as a power generation bid group candidate) Amount x desired unit price for selling power as a candidate for a power generation bidding group) [yen] etc. are included.

The power sale bid plan registration button 37 registers the power generation bid group candidate displayed in the power generation bid group display field 33b as a power generation bid group in the bid database 23a, and also registers the contents input in the power generation bid group information input area 31 and sells. The electricity selling bid plan displayed in the electricity bidding plan display area 36 is also a button for transmitting an instruction to be registered in the bidding database 23a associated with the information of the power generation points constituting the power generation bidding group to the electricity trading system 10.
The return button 38 is a button for transitioning from the power generation bidding group setting screen 30 to another screen (for example, an initial screen).

Returning to FIG. 6, the registration of the power generation bidding group by the power seller will be further described.
The power seller inputs the information of the power generation bid group to be registered in the power generation bid group information input area 31 by the power seller terminal ST.

Next, the power seller inputs a keyword for searching a power generation point that is a candidate for the power generation bidding group registered in the power transaction system 10 by the power seller terminal ST in the search condition input field 32a.
Then, when the search button 32b is pressed by operating the power seller terminal ST, the power seller terminal ST transmits the search condition of the power generation point input in the power generation point search condition input area 32 to the power trading system 10. (Step S104).

The electric power transaction system 10 that has received the search condition for the power generation point searches for a power generation point that matches the received search condition (step S105).
Then, the electric power transaction system 10 transmits the search result (information on the power generation point corresponding to the received search condition) to the power seller terminal ST (step S106).

The power seller terminal ST that has received the search result from the power transaction system 10 displays the power generation point that matches the received search condition in the power generation point display field 33a of the power generation bid group registration area 33 (step S107).

Next, the power seller selects a power generation point for which a power generation bid group is to be formed from the power generation points displayed in the power generation point display field 33a of the power generation bid group registration area 33 by the power seller terminal ST, and presses the add button 33c. ..
As a result, the candidates for the power generation bid group are displayed in the power generation bid group display column 33b (step S108).

Next, it is determined whether or not the power seller terminal ST has received the command for simulating the electric energy (step S109).
When the power generation amount simulation button 34a is pressed by operating the power seller terminal ST, it is assumed that the power seller terminal ST has received the command to simulate the power amount, and the command to simulate the power amount and the power generation bidding group. Information on the power generation point that is a candidate for the above is transmitted to the electric power trading system 10, and the process proceeds to step S110.
When the power generation amount simulation button 34a is not pressed, the power seller inputs the power sale desired unit price in the power sale desired unit price input field 35a of the power sale desired unit price input area 35 by the power seller terminal ST, and steps. Proceed to S113.

In step S110, the power trading system 10 that has received the command to simulate the power amount simulates the power generation amount of the candidate of the power generation bidding group based on the power generation predicted amount of each power generation point calculated by the power generation predicted amount calculating means 340. To create.
Then, the electric power transaction system 10 transmits the simulated result to the power seller terminal ST (step S111).
The power seller terminal ST that has received the simulated result of the power generation amount of the power generation bidding group displays the simulated result in the power generation amount simulation column 34b (step S112).
Then, the power seller inputs the power sale desired unit price in the power sale desired unit price input field 35a of the power sale desired unit price input area 35 by the power seller terminal ST.

When the power sale bid plan display button 35b is pressed by operating the power seller terminal ST, the power seller terminal ST displays the information input in the power generation bid group information input area 31 and the power generation bid group display field 33b. Information on the power generation point that is a candidate for the displayed power generation bidding group and the power selling bid plan creation information such as the power selling desired unit price input in the power selling desired unit price input field 35a are transmitted to the power trading system 10 ( Step S113).

Next, the power selling bid plan creating means 114 of the power trading system 10 creates a power selling bid plan for a candidate of the power generation bidding group from the power selling bid plan creation information received from the power seller terminal ST (step S114). The power sale bid plan is transmitted to the power seller terminal ST (step S115).

The power seller terminal ST that has received the power selling bid plan from the power trading system 10 displays the power selling bid plan in the power selling bid plan display area 36 (step S116).
When the power selling bid plan registration button 37 is pressed by operating the power selling terminal ST, the power selling terminal ST transmits an instruction to register the power selling bid plan in the bidding database 23a to the power trading system 10 ( Step S117).
The power generation bidding group registration means 111 of the power trading system 10 that has received the registration instruction of the power selling bid plan uses the power selling bidding plan transmitted to the power seller terminal ST as the power selling bidding plan of the power generation bidding group in the bidding database 23a. Register (step S118).

<3.2.2. Searching for power generation bidding groups and bidding for selling power>
Next, the search for the power generation bidding group by the power purchaser in step S120 and the power sale bid in step S140 will be described with reference to FIGS. 8 and 9.
FIG. 8 is a flowchart showing a procedure for searching a power generation bid group by the power trading system according to an embodiment of the present invention, and FIG. 9 is a power generation bid group search screen displayed on a power seller terminal when searching for a power generation bid group. It is a figure which shows an example.

When the power purchaser searches for the power generation bid group, the power purchaser accesses the power transaction system 10 by the power purchaser terminal BT and calls the power generation bid group search screen data (step S121).
The electric power trading system 10 that has received the call of the power generation bid group search screen data transmits the power generation bid group search screen data to the power purchaser terminal BT (step S122).
As a result, the power purchaser terminal BT displays the power generation bidding group search screen 40 as shown in FIG. 9 (step S123).

Here, the power generation bidding group search screen 40 will be described.
The power generation bid group search screen 40 is composed of a power generation bid group search condition input area 41, a power generation bid group display area 42, a power generation forecast amount display area 43, a power sale bid plan display area 44, and a bid button 45. ing.

The power generation bid group search condition input area 41 includes a bid area selection tab 41a, a total price input field 41b, an annual maximum output input field 41c, a power sale period input field 41d, a total power amount input field 41e, and a search button. It is composed of 41f and a clear button 41g.
In the power generation bidding group search condition input area 41, it is essential to specify the bidding area (selection of the bidding area selection tab 41a).

The bid area selection tab 41a is a drop-down list that displays bid area candidates (supply areas in Japan), and one bid area can be freely selected from the bid areas displayed on the bid area selection tab 41a. ing.
The total price input field 41b is a field for inputting a range of total prices set by the power generation bidding group.
The annual maximum output input field 41c is a field for inputting the range of the annual maximum output of the power generation bidding group.
The electric power sale period input field 41d is a field for inputting the target period for the electric power sale of the electric power seller.
The total electric energy input field 41e is a field for inputting the range of the total electric energy of the power generation bidding group.
The search button 41f is a button for transmitting an instruction to search for a power generation bidding group to the electric power trading system 10 based on the information input or selected in the total electric energy input field 41e from the bidding area selection tab 41a.
The clear button 41g is a button for deleting information input or selected in the total electric energy input field 41e from the bid area selection tab 41a.

In the power generation bidding group display area 42, information on the power generation bidding group transmitted from the power trading system 10 is displayed one group per line.
In the power generation bid group display area 42, the bid status and the power sale bid plan of each power generation bid group are displayed.
Further, each line of the power generation bidding group display area 42 is freely selectable.

The power generation forecast amount display area 43 is a column in which the power generation forecast amount of the entire power generation point is displayed as the power generation bid group selected in the power generation bid group display area 42, and specifically, a predetermined period corresponding to a predetermined condition. The transition of the amount of power generation for a predetermined time (for example, every 30 minutes) for a predetermined time (for example, one day) is displayed.

In the power selling bid plan display area 44, the power selling bid plan of the power generation bidding group selected in the power generation bidding group display area 42 is displayed.

The bidding button 45 transmits an instruction to bid for the power generation bidding group selected in the power generation bidding group display area 42 to the power trading system 10.

Returning to FIG. 8, the search for the power generation bidding group by the power purchaser will be further described.
The power purchaser inputs a search condition for searching for a power generation bid group to be procured in the power generation bid group search condition input area 41 by the power purchaser terminal BT.

Next, when the search button 41f is pressed by operating the power purchaser terminal BT, the power purchaser terminal BT sets the search condition of the power generation bid group input in the power generation bid group search condition input area 41 to the power trading system 10. (Step S124).

The power generation bid group search means 112 of the power transaction system 10 that has received the search condition of the power generation bid group searches for a power generation bid group that matches the received search condition (step S125).
Then, the power generation bid information transmission means 113 of the power trading system 10 transmits the search result (power generation bid information such as the power sale bid plan of the power generation bid group that matches the search condition) to the power purchaser terminal BT (step S126).

The power purchaser terminal BT that has received the search result from the power transaction system 10 displays the information of the power generation bid group in the power generation bid group display area 42 (step S127).

Next, the power purchaser selects a power generation bid group to be bid from the power generation bid group displayed in the power generation bid group display area 42 by the power purchaser terminal BT (step S128).
When the power purchaser selects the power generation bidding group to be bid on by the power purchaser terminal BT, the power purchaser terminal BT sends the power generation forecast amount of the selected power generation bidding group and the call command of the power sale bid plan to the power trading system 10. (Step S129).

Upon receiving the command to call the power generation bid group and the power sale bid plan selected by the power purchaser, the power trading system 10 sets the power generation bid group's power forecast amount and the power sale bid plan to the power purchaser terminal BT. (Step S130).

The power purchaser terminal BT that has received the power generation bid group's power forecast amount and the power sale bid plan displays the power generation forecast amount of the power generation bid group in the power generation forecast amount display area 43, and displays the power sale bid plan on the power sale bid plan. It is displayed in the area 44 (step S131).

When the bid button 45 is pressed by operating the power purchaser terminal BT, the power trading system 10 indicates that the bid is made to the power sale bid plan of the power generation bid group selected in the power generation bid group display area 42 (bid instruction). Is transmitted to (step S141).
Then, the electric power transaction system 10 that has received the bidding instruction registers in the bidding database 23a that the bidding has been entered in the power generation bidding group selected in the power generation bidding group display area 42 (that there was a bidding for selling electricity) (step). S142).

<3.2.3. Contract processing>
Next, the contract processing in step S160 will be described with reference to FIGS. 10 and 11.
FIG. 10 is a flowchart showing a contract procedure by the electric power trading system according to the embodiment of the present invention, and FIG. 11 shows an example of a power selling bid display screen displayed on the power seller terminal when searching for a power generation bidding group. It is a figure.

When the power seller confirms the bid for the power sale bid plan (power sale bid), the power seller accesses the power transaction system 10 by the power seller terminal ST and calls the power sale bid confirmation screen data (step S161). ).
Upon receiving the call for the power sale bid confirmation screen data, the power transaction system 10 transmits the power sale bid confirmation screen data to the power seller terminal ST (step S162).
As a result, the power seller terminal ST displays the power sale bid confirmation screen 50 as shown in FIG. 11 (step S163).

Here, the power sale bid confirmation screen 50 will be described.
The power sale bid confirmation screen 50 is composed of a power sale bid search condition input area 51, a power sale bid display area 52, and a contract button 53.

The power sale bid search condition input area 51 includes a power generation bid group name input field 51a, a supply area selection field 51b, a power sale period input field 51c, a bidder name input field 51d, and a power sale bid search button 51e. It is composed of a clear button 51f.

The power generation bid group name input field 51a is a field for inputting a keyword when searching for a registered power generation bid group.
The supply area selection column 51b is a column for selecting a supply area, and a plurality of supply areas can be freely selected.
The electric power sale period input field 51c is a field for inputting the electric power sale period set by the power generation bidding group.
The bidder name input field 51d is a field for inputting a keyword when searching for a bidder (power purchaser).
The power sale bid search button 51e is a button for transmitting an instruction to search for a power sale bid to the power trading system 10 based on the information input or selected from the power generation bid group name input field 51a to the bidder name input field 51d. ..
The clear button 51f is a button for deleting information input or selected from the power generation bid group name input field 51a to the bidder name input field 51d.

In the power selling bid display area 52, the power selling bid information transmitted from the power selling bid information transmitting means 115 of the electric power trading system 10 is displayed one by one per line.
In each line of the power sale bid display area 52, a power generation bid group name, a power source, a bidder, a power sale bid plan, and the like are displayed.
Further, each line of the power sale bid display area 52 is freely selectable.

The contract button 53 transmits the information of the power selling bid selected in the power selling bid display area 52 to the electric power trading system 10.

Returning to FIG. 10, the contract processing will be further described.
The power seller inputs search conditions for searching for a power selling bid that is convenient for the power seller in the power selling bid search condition input area 51 by the power selling terminal ST.
Then, when the power selling bid search button 51e is pressed by operating the power selling terminal ST, the power selling terminal ST sets the search condition of the power selling bid input in the power selling bid search condition input area 51 into the power trading system. It is transmitted to 10 (step S164).

The electric power transaction system 10 that has received the search condition for the power sale bid searches for the power sale bid for the power sale bid plan that matches the received search condition (step S165).
Then, the power selling bid information transmitting means 115 of the electric power transaction system 10 transmits the search result (information on the selling bid for the power selling bidding plan that matches the search condition) to the power selling terminal ST (step S166).

The power seller terminal ST that has received the search result from the power transaction system 10 displays the power sale bid that matches the search condition in the power sale bid display area 52 (step S167).

The power seller confirms the power generation bid displayed in the power sale bid display area 52 of the power sale bid confirmation screen 50 by the power seller terminal ST, selects the most favorable power sale bid, and presses the contract button 53. push.
When the contract button 53 is pressed by operating the power seller terminal ST, one power selling bid selected in the power selling bid display area 52 is transmitted to the power trading system 10 as a contract target (step S168).

Then, the power purchase contract registration means 116 of the electric power trading system 10 that has received the information of the power sale bid to be contracted registers one power sale bid in the bid database 23a (step S169).
This completes the long-term bilateral transaction between the seller and the buyer.

<3.2.4. Summary>
The power generation system 10 of the present embodiment configured in this way sets a power generation bidding group consisting of one or more power generation points under the jurisdiction of the power seller based on the instruction from the power seller terminal BT in the power generation bidding database 23a. That is, the power generation bid group registration means 111 for registering at least the information of the power generation bid group composed of two or more power generation points under the jurisdiction of the power seller in the bid database 23a, and the power generation bid group registration means 111 registered in the bid database 23a. The power generation bid group search means 112 that searches for the power generation bid group based on the search conditions transmitted from the power purchaser terminal BT of the power purchaser, and the power generation bid group search means 112 that searches the search results by the power purchaser. By providing the power generation bid information transmission means 113 for transmitting to the terminal BT, the power purchaser can freely select the power generation bid group that has jurisdiction over a specific power generation point, and the power generation bid group selected by the power purchaser himself can be used for power generation. Therefore, it is possible for the power purchaser to procure power from the power generation bidding group that offers the cheapest selling price, which is a high degree of freedom for the power purchaser.

Further, the power selling bid plan creating means 114 for creating the power selling bid plan of the power generation bidding group during the power selling period input from the power selling seller terminal ST of the power seller is further provided, the power generation bid information transmitting means is 113, and the power generation is performed. By transmitting the power sale bid plan to the power purchaser terminal BT of the power purchaser as a search result by the bid group search means 112, the power purchaser carefully examines the power generation bid group based on the power sale bid plan and then bids for power generation. Since the group can be selected, the matching accuracy between the power buyer and the power seller can be improved.

In recent years, due to heightened environmental awareness, there has been an increasing demand for RE100 (100% of the energy required for business operations is covered by renewable energy). Even if I could select it, I could not identify the power source.
However, since the power sale bid plan includes information that identifies the power source of the power generation bid group, the power purchaser can select the power generation bid group that has jurisdiction over the specific power source, so that the power purchaser can operate the business. It is possible to easily realize electric power procurement such that the energy required for electricity is 100% renewable energy.

Further, the power selling bid information transmitting means 115 for transmitting the information of the power selling bid of the power buyer for the power selling bid plan to the power seller terminal ST of the power seller, and one selected based on the operation of the power seller. By further providing the power purchase contract registration means 116 for registering the power sale bid in the bid database 23a, the power purchaser can select the power seller to purchase the power after confirming the bid conditions. , The matching accuracy between the power buyer and the power seller can be further improved.

<3.3. Electricity sales by electricity sellers>
Subsequently, the procedure for selling electric power by the seller will be described with reference to FIGS. 12 to 18.

First, an outline of the electric power sales procedure by the power seller will be described with reference to FIG. 12.
FIG. 12 is a flowchart showing a power sales procedure by a power seller using the power trading system according to the embodiment of the present invention.

When the power seller selects a demand bidding group and sells electric power, as shown in FIG. 12, the power purchaser first registers the demand bidding group in advance (step S200), and then the power seller. Searches for a demand bidding group (step S220) and makes a bid for a power purchase bid plan (step S240).
After that, the power purchaser confirms the power purchase bid and performs the contract processing (step S260).
Hereinafter, each step will be described in detail.

<3.3.1. Registration of demand bidding group>
First, the registration of the demand bidding group by the power purchaser in step S200 will be described with reference to FIGS. 13 to 14B.
FIG. 13 is a flowchart showing a procedure for registering a demand bidding group by the electric power trading system according to the embodiment of the present invention, and FIGS. 14A and 14B are demand bids displayed on the power purchaser terminal when the demand bidding group is registered. It is a figure which shows an example of a group setting screen.

When the power purchaser registers the demand bid group, the power purchaser accesses the power transaction system 10 by the power purchaser terminal BT and calls the demand bid group setting screen data (step S201).
The electric power transaction system 10 that has received the call of the demand bid group setting screen data transmits the demand bid group setting screen data to the power purchaser terminal BT (step S202).
As a result, the power purchaser terminal BT displays the demand bidding group setting screen 60 as shown in FIGS. 14A and 14B (step S203).

Here, the demand bidding group setting screen 60 will be described.
The demand bid group setting screen 60 includes a demand bid group information input area 61, a supply point search condition input area 62, a demand bid group registration area 63, a demand amount simulation area 64, and a power purchase desired unit price input area 95. , The power purchase bid plan display area 66, the power purchase bid plan registration button 67, and the return button 68.

The demand bid group information input area 61 is composed of a bid area selection tab 61a and a demand bid group name input field 61b.
In the demand bid group information input area 61, it is essential to specify the bid area (select the bid area selection tab 61a) and input the demand bid group name (input to the demand bid group name input field 61b). There is.

The bid area selection tab 61a is a drop-down list that displays bid area candidates (supply areas in Japan), and one bid area can be freely selected from the bid areas displayed on the bid area selection tab 61a. ing.
The demand bid group name input field 61b is a field for inputting the name of the demand bid group to be registered from now on.

The supply point search condition input area 62 includes a search condition input field 62a, a search button 62b, and a clear button 62c.
The search condition input field 62a is a field for inputting a keyword for searching a predetermined supply point from the supply points registered in advance.
The search button 62b is a button for transmitting an instruction to search for a supply point to the electric power transaction system 10 based on the information input in the search condition input field 62a.
The clear button 62c is a button for deleting the information input in the search condition input field 62a.

The demand bid group registration area 63 is composed of a supply point display column 63a, a demand bid group display column 63b, an add button 63c, and a delete button 63d.
The supply point display column 63a is a column in which the name of the supply point, which is one of the supply point information transmitted from the electric power transaction system 10, is displayed one supply point per line, and each line can be freely selected. There is.
The demand bid group display column 63b is a column in which the names of the supply points constituting the candidates of the demand bid group are displayed one by one in one line, and each line can be freely selected.
The add button 63c is a button for adding the supply point selected in the supply point display field 63a to the supply bid group display field 33b.
The delete button 63d is a button for deleting the supply point selected in the supply bid group display field 63b from the supply bid group display field 63b.

The demand amount simulation display area 64 is composed of a demand amount simulation button 64a and a demand amount simulation column 64b.
The demand amount simulation button 64a is a button for transmitting a command to the electric power trading system 10 to add up the electric power demand forecast amount of the supply point displayed in the demand bid group display column 63b.
The demand amount simulation column 64b is a column in which the electric power demand forecast amount of the entire supply point (demand bid group candidate) displayed in the demand bid group display column 63b transmitted from the electric power trading system 10 is displayed, and is specific. Displays the transition of the power demand forecast amount for a predetermined time (for example, every 30 minutes) for a predetermined period (for example, one year).

The power purchase desired unit price input area 65 includes a power purchase desired unit price input field 65a and a power purchase bid plan display button 65b.
The power purchase desired unit price input field 65a is a field for inputting the power purchase desired unit price to be registered in the power purchase bid plan.
The power purchase bid plan display button 65b causes the power purchase bid plan creation means 124 of the power trading system 10 to create a power purchase bid plan for the demand bid group candidate, and causes the power purchaser terminal BT to send the power purchase bid plan. Is a button for transmitting to the power trading system 10.

In the power purchase bid plan display area 66, the power purchase bid plan of the demand bid group candidate received from the power transaction system 10 is displayed.
Specifically, as a power purchase bid plan, the total electric energy as a demand bid group candidate [MWh], the average electric energy used as a demand bid group candidate [kWh / day], and the annual maximum electric energy as a demand bid group candidate [kW]. ], Desired unit price for power purchase as a candidate for a demand bid group [yen / kWh], Total price (total electric energy as a candidate for a demand bid group x desired unit price for power purchase as a candidate for a demand bid group) [yen], Candidate for a demand bid group Demand bid group Contains information that identifies the estimated amount of electricity demand.
The "demand bid group candidate power demand forecast amount" referred to here is a value obtained by adding up the power consumption forecast amount for each unit time of each supply point constituting the demand bid group, and is a demand bid group. It is a transition of the power consumption forecast amount for each unit time (for example, 30 minutes) as a candidate.

The power purchase bid plan registration button 67 registers the demand bid group candidate displayed in the demand bid group display field 63b as a demand bid group in the bid database 23a, and the contents input in the demand bid group information input area 61 and the purchase. The power purchase bid plan displayed in the power bid plan display area 66 is also a button for transmitting an instruction to be registered in the bid database 23a associated with the information of the power generation points constituting the demand bid group to the power trading system 10.
The return button 68 is a button for transitioning from the demand bidding group setting screen 60 to another screen (for example, an initial screen).

Returning to FIG. 13, the registration of the demand bidding group by the power purchaser will be further described.
The power purchaser inputs the information of the demand bid group to be registered in the demand bid group information input area 61 by the power purchaser terminal BT.

Next, the power purchaser inputs information for searching a supply point that is a candidate for the demand bidding group registered in the power transaction system 10 by the power purchaser terminal BT in the search condition input field 62a.
Then, when the search button 62b is pressed by operating the power purchaser terminal BT, the power purchaser terminal BT transmits the search condition of the supply point input in the supply point search condition input area 62 to the electric power trading system 10. (Step S204).

The electric power transaction system 10 that has received the search condition of the supply point searches for a supply point that matches the received search condition (step S205).
Then, the electric power transaction system 10 transmits the search result (information on the supply point corresponding to the received search condition) to the power purchaser terminal BT (step S206).

The power purchaser terminal BT that has received the search result from the electric power transaction system 10 displays the supply point that matches the received search condition in the supply point display field 63a of the demand bidding group registration area 63 (step S207).

Next, the power purchaser selects a supply point for which a demand bid group is to be formed from the supply points displayed in the supply point display field 63a of the demand bid group registration area 63 by the power purchaser terminal BT, and presses the add button 63c. ..
As a result, the candidates for the demand bidding group are displayed in the demand bidding group display field 63b (step S208).

Next, it is determined whether or not the power purchaser terminal BT has accepted the command for simulating the demand amount (step S209).
When the average demand amount display button 64a is pressed by operating the power purchaser terminal BT, it is assumed that the power purchaser terminal BT has received the command to simulate the demand amount, and the instruction to simulate the demand amount and the demand bidding group. Information on the supply point that is a candidate for is transmitted to the electric power trading system 10, and the process proceeds to step S210.
When the demand amount simulation button 64a is not pressed, the power purchaser inputs the power purchase desired unit price in the power purchase desired unit price input field 65a of the power purchase desired unit price input area 65 by the power purchaser terminal BT, and steps. Proceed to S213.

In step S210, the electric power trading system 10 that has received the instruction to simulate the demand amount is the demand amount of the candidate of the demand bidding group based on the electric power demand forecast amount of each supply point calculated by the electric power demand forecast amount calculation means 320. Create a simulation of.
Then, the electric power transaction system 10 transmits the simulated result to the power purchaser terminal BT (step S211).
The power purchaser terminal BT that has received the simulated result of the average power generation amount of the demand bidding group displays the simulated result in the demand amount simulation column 64b (step S212).
Then, the power purchaser inputs the power purchase desired unit price in the power purchase desired unit price input field 65a of the power purchase desired unit price input area 65 by the power purchaser terminal BT.

When the power purchase bid plan display button 65b is pressed by operating the power purchaser terminal BT, the power purchaser terminal BT displays the information input in the demand bid group information input area 61 and the demand bid group display field 63b. Information on the displayed supply points that are candidates for the demand bidding group and information on creating a power purchase bid plan such as the power purchase desired unit price input in the power purchase desired unit price input field 65a are transmitted to the power trading system 10 ( Step S213).

Next, the power purchase bid plan creation means 124 of the power trading system 10 creates a power purchase bid plan for a candidate of the demand bidding group from the power purchase bid plan creation information received from the power purchaser terminal BT (step S214). The power purchase bid plan is transmitted to the power purchaser terminal BT (step S215).

The power purchaser terminal BT that has received the power purchase bid plan from the power transaction system 10 displays the power purchase bid plan in the power purchase bid plan display area 66 (step S216).
When the power purchase bid plan registration button 67 is pressed by operating the power purchaser terminal BT, the power purchaser terminal BT transmits an instruction to register the power purchase bid plan in the bid database 23a to the power trading system 10 ( Step S217).
The demand bidding group registration means 121 of the power trading system 10 that has received the registration instruction of the power purchase bid plan uses the power purchase bid plan transmitted to the power purchaser terminal BT as the power purchase bid plan of the power generation bid group in the bid database 23a. Register (step S218).

<3.3.2. Search for demand bidding groups and bids for power purchases>
Next, the search for the demand bidding group by the power seller in step S220 and the power purchase bid in step S240 will be described with reference to FIGS. 15 and 16.
FIG. 15 is a flowchart showing a search procedure of a demand bidding group by the electric power trading system according to an embodiment of the present invention, and FIG. 16 is a demand bidding group search screen displayed on a power purchaser terminal when searching for a demand bidding group. It is a figure which shows an example.

When the power seller searches for the demand bid group, the power seller accesses the power transaction system 10 by the power seller terminal ST and calls the demand bid group search screen data (step S221).
The electric power transaction system 10 that has received the call of the demand bid group search screen data transmits the search screen data to the demand bid group power seller terminal ST (step S222).
As a result, the power seller terminal ST displays the demand bidding group search screen 70 as shown in FIG. 16 (step S223).

Here, the demand bidding group search screen 70 will be described.
The demand bid group search screen 70 is composed of a demand bid group search condition input area 71, a demand bid group display area 72, a demand forecast amount display area 73, a power purchase bid plan display area 74, and a bid button 75. ing.

The demand bid group search condition input area 71 is composed of a bid area selection tab 71a, a total price input field 71b, an annual maximum output input field 71c, a total electric energy input field 71d, a search button 71e, and a clear button 71f. It is configured.
In the demand bidding group search condition input area 71, it is essential to specify the bidding area (selection of the bidding area selection tab 71a).

The bid area selection tab 71a is a drop-down list that displays bid area candidates (supply areas in Japan), and one bid area can be freely selected from the bid areas displayed on the bid area selection tab 71a. ing.
The total price input field 71b is a field for inputting a range of total prices set by the demand bidding group.
The annual maximum output input field 71c is a field for inputting the range of the annual maximum demand amount of the demand bidding group.
The total electric energy input field 71d is a field for inputting the range of the total demand amount of the demand bidding group.
The search button 71e is a button for transmitting an instruction to search the demand bidding group to the electric power trading system 10 based on the information input or selected in the total electric energy input field 71d from the bidding area selection tab 71a.
The clear button 71f is a button for deleting information input or selected in the total electric energy input field 71d from the bid market selection tab 71a.

In the demand bidding group display area 72, the information of the demand bidding group transmitted from the electric power trading system 10 is displayed one group per line.
In the demand bid group display area 72, the bid status and the power purchase bid plan of each demand bid group are displayed.
Further, each row of the demand bid group display area 72 is freely selectable.

The demand forecast amount display area 73 is a column in which the power demand forecast amount of the entire supply point is displayed as the demand bid group selected in the demand bid group display area 72, and specifically, a predetermined condition corresponding to a predetermined condition is satisfied. The transition of the power demand forecast amount for a predetermined time (for example, every 30 minutes) of the period (for example, one day) is displayed.

In the power purchase bid plan display area 74, the power purchase bid plan of the demand bid group selected in the demand bid group display area 72 is displayed.

The bidding button 75 transmits an instruction to bid for the demand bidding group selected in the demand bidding group display area 72 to the electric power trading system 10.

Returning to FIG. 15, the search for the demand bidding group by the power seller will be further described.
The power seller inputs a search condition for searching the demand bid group for which power is to be procured in the demand bid group search condition input area 71 by the power seller terminal ST.

Next, when the search button 71f is pressed by operating the power seller terminal ST, the power seller terminal ST sets the search condition of the demand bid group input in the demand bid group search condition input area 71 to the power trading system 10. (Step S224).

The demand bid group search means 122 of the electric power transaction system 10 that has received the search condition of the demand bid group searches for a demand bid group that matches the received search condition (step S225).
Then, the demand bid information transmission means 123 of the electric power trading system 10 transmits the search result (information such as the power purchase bid plan of the demand bid group that matches the search condition) to the power seller terminal ST (step S226).

The power seller terminal ST that has received the search result from the electric power transaction system 10 displays the information of the demand bidding group in the demand bidding group display area 72 (step S227).

Next, the power seller selects a demand bid group to be bid from the demand bid groups displayed in the demand bid group display area 72 by the power seller terminal ST (step S228).
When the power seller selects the demand bidding group to be bid by the power seller terminal ST, the power seller terminal ST sends the demand forecast amount of the selected demand bidding group and the call command of the power purchase bid plan to the power trading system 10. (Step S229).

Upon receiving the instruction to call the demand forecast amount and the power purchase bid plan of the demand bid group selected by the power seller, the power trading system 10 sets the demand forecast amount and the power purchase bid plan of the demand bid group to the power seller terminal ST. (Step S230).

The power seller terminal ST that has received the demand forecast amount and the power purchase bid plan of the demand bid group displays the demand forecast amount of the demand bid group in the demand forecast amount display area 73, and displays the power purchase bid plan in the power purchase bid plan display. It is displayed in the area 74 (step S231).

When the bid button 75 is pressed by operating the power seller terminal ST, the power trading system 10 indicates that the bid is bid for the power purchase bid plan of the demand bid group selected in the demand bid group display area 72 (bid instruction). Is transmitted to (step S241).
Then, the electric power trading system 10 that has received the bidding instruction registers in the bidding database 23a that the bidding has been entered in the demand bidding group selected in the demand bidding group display area 72 (that the bidding has been made) (step). S242).

<3.3.3. Contract processing>
Next, the contract processing in step S260 will be described with reference to FIGS. 17 and 18.
FIG. 10 is a flowchart showing a contract procedure by the electric power trading system according to the embodiment of the present invention, and FIG. 18 shows an example of a power purchase bid display screen displayed on the power purchaser terminal when searching for a demand bidding group. It is a figure.

When the power purchaser confirms the bid for the power purchase bid plan (power purchase bid), the power purchaser accesses the power transaction system 10 by the power purchaser terminal BT and calls the power purchase bid confirmation screen data (step S261). ).
Upon receiving the call for the power purchase bid confirmation screen data, the power transaction system 10 transmits the power purchase bid confirmation screen data to the power purchaser terminal BT (step S262).
As a result, the power purchaser terminal BT displays the power purchase bid confirmation screen 80 as shown in FIG. 18 (step S263).

Here, the power purchase bid confirmation screen 80 will be described.
The power purchase bid confirmation screen 80 is composed of a power purchase bid search condition input area 81, a power purchase bid display area 82, and a contract button 83.

The power purchase bid search condition input area 81 is composed of a demand bid group name input field 81a, a bidder name input field 81b, a power purchase bid search button 81c, and a clear button 81d.

The demand bid group name input field 81a is a field for inputting a keyword when searching for a registered demand bid group.
The bidder name input field 81b is a field for inputting a keyword when searching for a bidder (power seller).
The power purchase bid search button 81c is a button for transmitting an instruction to search for a power purchase bid to the electric power trading system 10 based on the information input in the demand bid group name input field 81a and the bidder name input field 81b.
The clear button 81d is a button for deleting the information selected in the demand bid group name input field 81a and the bidder name input field 81b.

In the power purchase bid display area 82, the power purchase bid information transmitted from the power purchase bid information transmitting means 125 of the electric power trading system 10 is displayed one by one per line.
In each line of the power purchase bid display area 82, a demand bid group name, bidders, power purchase bid plans, and the like are displayed.
Further, each line of the power purchase bid display area 82 can be freely selected.

The contract button 83 transmits information on the power purchase bid selected in the power purchase bid display area 82 to the power trading system 10.

Returning to FIG. 17, the contract processing will be further described.
The power purchaser inputs a search condition for searching for a power purchase bid that is convenient for the power purchaser in the power generation bid search condition input area 81 by the power purchaser terminal BT.
Then, when the power purchase bid search button 81c is pressed by operating the power purchaser terminal BT, the power purchaser terminal BT sets the search condition of the power sale bid input in the power generation bid search condition input area 81 to the power trading system 10. (Step S264).

The electric power transaction system 10 that has received the search condition for the power purchase bid searches for a power purchase bid for the power purchase bid plan that matches the received search condition (step S265).
Then, the power purchase bid information transmission means 125 of the electric power transaction system 10 transmits the search result (information on the power purchase bid for the power purchase bid plan that matches the search condition) to the power purchaser terminal BT (step S266).

The power purchaser terminal BT that has received the search result from the power transaction system 10 displays the power purchase bid that matches the search condition in the power purchase bid display field 82 (step S267).

The power purchaser confirms the power purchase bid displayed in the power purchase bid display field 82 of the power purchase bid confirmation screen 80 by the power purchaser terminal BT, selects the most favorable power purchase bid, and selects the contract button 83. Press.
When the contract button 83 is pressed by operating the power purchaser terminal BT, one power purchase bid selected in the power purchase bid display field 82 is transmitted to the power transaction system 10 as a contract target (step S268).

Then, the power selling contract registration means 216 of the electric power trading system 10 that has received the information of the power purchase bid to be contracted registers one power purchase bid in the bid database 23a (step S269).
This completes the long-term bilateral transaction between the power buyer and the power seller.

<3.2.4. Summary>
The electric power trading system 10 of the present embodiment configured in this way bids a demand bidding group composed of one or more supply points under the jurisdiction of the power purchaser based on the instruction from the power purchaser terminal ST. That is, the demand bid group registration means 121 for registering at least the information of the demand bid group composed of two or more supply points under the jurisdiction of the power purchaser in the bid database 23a, and the demand bid group registration means 121 registered in the bid database 23a. The demand bid group search means 122 that searches the demand bid group based on the search conditions transmitted from the power seller terminal ST of the power seller, and the power seller of the power seller the search results by the demand bid group search means 122. By providing the demand bid information transmission means 123 for transmitting to the terminal ST, the power seller can freely select the demand bid group that has jurisdiction over a specific supply point, and the power is supplied from the demand bid group selected by the power seller. Since the power can be purchased, the power seller can realize a high degree of freedom in power procurement, such as procuring a demand bidding group that offers the highest bid price.

Further, the power purchase bid plan creation means 124 for creating the power purchase bid plan of the demand bid group in the power purchase period input from the power purchaser terminal BT of the power purchaser is further provided, and the demand bid information transmission means 123 is in demand. By transmitting the power purchase bid plan to the power seller terminal ST of the power seller as a search result by the bid group search means 122, the power seller carefully examines the demand bid group based on the power purchase bid plan and then makes a demand bid. Since the group can be selected, the matching accuracy between the power buyer and the power seller can be improved.

Further, the actual power consumption acquisition means 310 for acquiring the actual power consumption of the supply point up to the predetermined time, and the power demand forecast amount for each unit time of the supply point after the predetermined time based on the actual power consumption of the supply point. The power purchase bid plan created by the power purchase bid plan creation means 124 further includes the power demand forecast amount calculation means 320 for calculating the power consumption forecast amount for each unit time of each supply point belonging to the demand bid group. The demand bid group power demand forecast amount, which is the sum of the power consumption forecast amount for each unit time of each supply point belonging to the demand bid group, is transmitted by the demand bid information transmission means by including the power demand forecast amount of the demand bid group. Therefore, the power seller can confirm the magnitude of the time change of the power consumption of the power purchaser and realize the power sale.

Further, the power purchase bid information transmitting means 125 that displays the power purchase bid information of the power seller for the power purchase bid plan on the power purchaser terminal BT of the power purchaser, and one purchase selected based on the operation of the power purchaser. By further providing the power selling contract registration means 126 for registering the power bill in the bid database, the power purchaser can select the power seller to purchase the power after confirming the bid conditions. It is possible to further improve the matching accuracy between the electric power person and the electric power seller.

<4. Modification example>
Although the examples of the present invention have been described above, the present invention is not limited to the above.

For example, one power purchaser may purchase power from a plurality of power sellers using the power trading system of this embodiment.
Similarly, one electric power seller may sell electric power to a plurality of electric power buyers by using the electric power trading system of this embodiment.

For example, in this embodiment, the other electric power trading system is a JEPX electric power trading system, but the other electric power trading system is an electric power trading system other than JEPX if it is an electric power trading system for physical and forward trading of electric power. It may be a system.

For example, the electric power trading system 10 may be composed of a plurality of processing devices 20.
Specifically, the storage unit and the processing unit may be configured as separate processing devices.

For example, in the present embodiment, the processing performed by the electric power trading system 10 may be performed by the power seller terminal ST or the power purchaser terminal BT.

For example, in this embodiment, the "environmental data" may be meteorological data, forecast data, or calendar data stored in the meteorological database DB, but the situation around the power generation point for which the predicted power generation amount is to be calculated. The data is not limited to this as long as it is data related to the situation around the supply point for which the forecast amount of power demand is to be calculated.

For example, in this embodiment, various information is stored in the storage unit 23 of the processing device 20, but these information are not limited to storage in the storage unit 23, and are stored in, for example, a blockchain database. You may.

10 ・ ・ ・ Electricity transaction system 100 ・ ・ ・ Long-term bilateral transaction subsystem 110 ・ ・ ・ Power purchase transaction component 111 ・ ・ ・ Power generation bid group registration means 112 ・ ・ ・ Power generation bid group search means 113 ・ ・ ・ Power generation bid information transmission Means 114 ・ ・ ・ Power sale bid plan creation means 115 ・ ・ ・ Power sale bid information transmission means 116 ・ ・ ・ Power purchase contract registration means 120 ・ ・ ・ Power sale transaction component 121 ・ ・ ・ Demand bid group registration means 122 ・ ・・ Demand bid group search means 123 ・ ・ ・ Demand bid information transmission means 124 ・ ・ ・ Power purchase bid plan creation means 125 ・ ・ ・ Power purchase bid information transmission means 126 ・ ・ ・ Power purchase contract registration means 200 ・ ・ ・ Short-term supply and demand Adjustment subsystem 300 ・ ・ ・ Common subsystem 310 ・ ・ ・ Actual power consumption acquisition means 320 ・ ・ ・ Power demand forecast amount calculation means 330 ・ ・ ・ Power generation amount acquisition means 340 ・ ・ ・ Power generation forecast amount calculation means

20 ・ ・ ・ Processing device 21 ・ ・ ・ Communication unit 22 ・ ・ ・ Input unit 23 ・ ・ ・ Storage unit 23a ・ ・ ・ Bid database 24 ・ ・ ・ Processing unit

DB ・ ・ ・ Meteorological database NW ・ ・ ・ Network FSM ・ ・ ・ Forward power flow measurement meter RSM ・ ・ ・ Reverse power flow measurement meter ES ・ ・ ・ Other power trading system BT ・ ・ ・ Power purchaser terminal ST ・ ・ ・ Power sale Person terminal

The present invention relates to an electric power trading system, an electric power trading method, and an electric power trading program that support electric power trading between a power purchaser who wants to purchase electric power and a power seller who wants to sell electric power.

From April 1, 2016, the entry into the electricity retail business was completely liberalized, and electric power, which was previously only able to contract with the electric power company (former general electric power company) decided in the region, has newly entered. It is now possible to freely select and contract an electric power company, including new electric power.

Therefore, there is known an electric power trading system in which an electric power purchaser can purchase electric power from an optimal electric power seller in order to reduce the electric power procurement cost (for example, Non-Patent Document 1).

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The above-mentioned electric power trading system is a system used by electric power buyers, and cannot be used by electric power sellers who want to sell electricity at the highest possible price.
In addition, the power purchaser could freely select the power generation bidding group that has jurisdiction over a specific power generation point, and could not procure power from the power generation bidding group selected by the power purchaser himself.
Therefore, in the conventional electric power trading system, it is not possible to realize electric power trading with a high degree of freedom for electric power traders such as electric power buyers and electric power sellers, and there is room for further improvement.

Therefore, the present invention solves the problems of the prior art as described above, that is, the object of the present invention is an electric power trading system and an electric power trading method that realizes electric power trading with a high degree of freedom for electric power traders. And to provide an electricity trading program.

The invention according to claim 1 includes a processing device and a bidding database, and is connected to a power purchaser terminal of a power purchaser who wants to purchase power and a power seller terminal of a power seller who wants to sell power. Information of a power generation bidding group in which a power generation terminal is a power generation trading system that supports a power generation transaction between a power purchaser and a power seller, and the power generation terminal is composed of power generation points under the jurisdiction of the power seller. Is transmitted to the processing device, the power purchaser terminal transmits a search condition for the power generation bidding group to the processing device, and the processing device transmits the power generation point under the jurisdiction of the power seller. A power generation bid group registration means for registering information of a power generation bid group composed of two or more power generation points selected on the power seller terminal in at least the bid database based on an instruction from the power seller terminal, and the above. A power generation bid group search means for searching the information of the power generation bid group registered in the bid database based on the search conditions transmitted from the power purchaser terminal of the power purchaser, and a search by the power generation bid group search means. The above-mentioned problem is solved by providing the power generation bid information transmission means for transmitting the result to the power purchaser terminal of the power purchaser.

In the invention according to claim 2, in addition to the configuration of the electric power trading system according to claim 1, the power generation bidding group in the electric power sale period in which the processing apparatus is input from the electric power seller terminal of the electric power seller. The power generation bid information transmission means of the processing device further comprises a power sale bid plan creation means for creating the power sale bid plan of the power generation bid group, and the power generation bid information transmission means of the power generation bid group is used as a search result by the power generation bid group search means. By transmitting to the power purchaser terminal, the above-mentioned problems are further solved.

The invention according to claim 3 has the above-mentioned problem because, in addition to the configuration of the electric power trading system according to claim 2, the electric power sale bidding plan includes information for specifying the electric power source of the power generation bidding group. Is a further solution.

In the invention according to claim 4, in addition to the configuration of the electric power trading system according to claim 2 or 3, the processing apparatus provides information on the electricity selling bid of the electricity purchaser with respect to the electricity selling bidding plan. A means for transmitting power-selling bid information to be transmitted to the power-selling terminal of the power-selling person, and a means for registering a power-buying contract for contract registration of one of the power-selling bids selected based on the operation of the power-selling person in the bidding database. By further providing the above-mentioned problems, the above-mentioned problems can be further solved.

The invention according to claim 5 includes a processing device and a bidding database, and is connected to a power purchaser terminal of a power purchaser who wants to purchase power and a power seller terminal of a power seller who wants to sell power. Information on a demand bidding group in which a power trading system that supports a power transaction between a power purchaser and a power seller, wherein the power purchaser terminal is composed of supply points under the jurisdiction of the power purchaser. Is transmitted to the processing device, the power seller terminal transmits a search condition for the demand bidding group to the processing device, and the processing device transmits the search condition from the supply point under the jurisdiction of the power purchaser. A demand bidding group registration means for registering information of a demand bidding group composed of two or more supply points selected on the power purchaser terminal in at least the bidding database based on an instruction from the power purchaser terminal, and the above. A demand bid group search means for searching information of the demand bid group registered in the bid database based on the search conditions transmitted from the power seller terminal of the power seller, and a search by the demand bid group search means. The above-mentioned problem is solved by providing the demand bid information transmitting means for transmitting the result to the power seller terminal of the power seller.

In the invention according to claim 6, in addition to the configuration of the electric power trading system according to claim 5, the demand bidding group in the electric power purchase period in which the processing device is input from the electric power purchaser terminal of the electric power purchaser. The power purchase bid plan creation means for creating the power purchase bid plan is further provided, and the demand bid information transmission means of the processing device uses the power purchase bid plan as a search result by the demand bid group search means of the power seller. By transmitting to the power seller terminal, the above-mentioned problems are further solved.

In the invention according to claim 7, in addition to the configuration of the electric power trading system according to claim 5, the electric power actual consumption acquisition means for the processing apparatus to acquire the actual electric power consumption at the supply point up to a predetermined time. Further, the power purchase bid plan is further provided with a power demand forecast amount calculation means for calculating the power demand forecast amount for each unit time of the supply point after a predetermined time based on the power actual consumption amount of the supply point. The above-mentioned problem is further solved by including the demand bid group power demand forecast amount which is the sum of the power consumption forecast amount for each unit time of each supply point constituting the demand bid group.

In the invention according to claim 8, in addition to the configuration of the electric power trading system according to claim 6 or 7, the processing apparatus provides information on the power purchase bid of the power seller for the power purchase bid plan. A means for transmitting power purchase bid information displayed on the power purchaser terminal of the power purchaser, and a power selling contract registration means for contracting and registering one of the power purchase bids selected based on the operation of the power purchaser in the bid database. By further providing the above-mentioned problems, the above-mentioned problems can be further solved.

The invention according to claim 9 includes a processing device having a power generation bid group registration means, a power generation bid group search means, and a power generation bid information transmission means, and a bid database, and is a power purchaser of a power purchaser who wishes to purchase power. A power trading method for supporting a power transaction between the power purchaser and the power seller by a power trading system to which the terminal and the power seller terminal of the power seller who wishes to sell the power are connected. From the power seller terminal, the power generation bid group registration means of the processing device is composed of two or more power generation points selected from the power generation points on the power seller terminal under the jurisdiction of the power seller. From the power purchaser terminal of the power purchaser, at least the step of registering the power generation bid group in the bid database based on the instruction of the power generation bidder and the information of the power generation bid group registered in the power generation bid group by the power generation bid group search means of the processing device. The step includes a step of searching based on the transmitted search condition, and a step of the power generation bid information transmitting means of the processing device transmitting the search result by the power generation bidding group search means to the power purchaser terminal of the power purchaser. By doing so, the above-mentioned problems are solved.

The invention according to claim 10 includes a processing device having a demand bid group registration means, a demand bid group search means, and a demand bid information transmission means, and a bid database, and is a power purchaser of a power purchaser who wishes to purchase power. A power trading method for supporting a power transaction between the power purchaser and the power seller by a power trading system to which the terminal and the power seller terminal of the power seller who wishes to sell the power are connected. The information of the demand bidding group composed of two or more supply points selected on the power purchaser terminal from the supply point under the jurisdiction of the power purchaser by the demand bid group registration means of the processing device is transmitted from the power purchaser terminal. At least the step of registering in the bid database based on the instruction of the above, and the information of the demand bid group registered in the bid database by the demand bid group search means of the processing device from the power seller terminal of the power seller. The step includes a step of searching based on the transmitted search condition, and a step of the demand bid information transmitting means of the processing device transmitting the search result by the demand bid group search means to the power seller terminal of the power seller. By doing so, the above-mentioned problems are solved.

The invention according to claim 11 is an electric power trading program that supports an electric power transaction between a power purchaser who wants to purchase electric power and a power seller who wants to sell electric power, and is claimed 9 or 10. The above-mentioned problem is solved by causing the processing apparatus to execute each step of the electric power trading method described in the above.

Here, the "power purchaser" in the present invention is a person who has jurisdiction over one or more electricity supply points specified by the supply point identification number, and is assigned a supply point identification number (electricity). (Consumers, etc. who are the main contractors of various contracts) and those who are not assigned a supply point specific number (a retail electricity company that supplies electricity to consumers, an agent (agency for the conclusion of retail supply contracts) Person), etc.).
Further, the "power seller" in the present invention is a person who has jurisdiction over one or more power generation points of electricity specified by the power receiving point identification number, and possesses a power generation facility in which the power receiving point identification number is set. (Power generation companies under the Electricity Business Law such as electric power companies and gas companies, power generation equipment owners who own power generation equipment and wish to sell the power generated by the power generation equipment), and the power receiving point identification number Those who do not own the set power generation equipment but have concluded a contract (power generation adjustment supply contract) with the power transmission and distribution company that is responsible for power generation adjustment (power generation adjustment supply contract) (retail electric power company, it is effective to bundle the power demand of consumers It means an aggregator, etc. that provides energy management services to.
Further, the "jurisdiction" in the present invention includes not only the meaning of "ownership" but also the meaning of "management by contract".

According to the power trading system of the invention according to claim 1, information of a power generation bidding group in which the processing device is composed of two or more power generation points selected on the power seller terminal from the power generation points under the jurisdiction of the power seller. The power generation bid group registration means for registering at least the power generation bid group in the bid database based on the instruction from the power seller terminal, and the information of the power generation bid group registered in this bid database are transmitted from the power purchaser terminal of the power purchaser. By providing a power generation bid group search means for searching based on search conditions and a power generation bid information transmission means for transmitting the search result by this power generation bid group search means to the power purchaser terminal of the power purchaser, the power purchase Since the person can freely select the power generation bidding group that has jurisdiction over a specific power generation point and can procure power from the power generation bidding group selected by the power purchaser himself, the power purchaser can select the power generation bidding group that offers the cheapest selling price. It is possible to realize power generation with a high degree of freedom for the purchaser, such as procuring power.

According to the power trading system of the invention according to claim 2, in addition to the effect of the power trading system of the invention according to claim 1, the processing apparatus has a power sale period input from the power seller terminal of the power seller. Further equipped with a means for creating a power-selling bid plan for creating a power-selling bid plan for a power generation bid group in By sending to the power purchaser terminal, the power purchaser can select the power generation bid group after carefully examining the power generation bid group based on the power sale bid plan, so that the matching accuracy between the power purchaser and the power seller can be selected. Can be improved.

According to the electric power trading system of the invention according to claim 3, in addition to the effect of the electric power trading system of the invention according to claim 2, the electric power sale bidding plan includes information specifying the electric power source of the power generation bidding group. This allows the power purchaser to select a power generation bidding group that has jurisdiction over a specific power source, so that the power purchaser can easily realize power procurement such that the energy required for business operation is 100% renewable energy. be able to.

According to the electric power trading system of the invention according to claim 4, in addition to the effect of the electric power trading system of the invention according to claim 2 or 3, the processing apparatus sells the electric power of the power purchaser to the electric power selling bidding plan. A power-selling bid information transmitting means for transmitting bid information to the power-selling terminal of the power-selling person, and a power-buying contract registration means for contract-registering one power-selling bid selected based on the operation of the power-selling person in the bid database. By further providing, the power purchaser can select the power seller who purchases the power after confirming the bid conditions, so that the matching accuracy between the power purchaser and the power seller can be further improved. Can be done.

According to the power trading system of the invention according to claim 5, the information of the demand bidding group in which the processing device is composed of two or more supply points selected on the power purchaser terminal from the supply points under the jurisdiction of the power purchaser. Is transmitted from the power seller terminal of the power seller, at least the demand bid group registration means for registering the power in the bid database based on the instruction from the power purchaser terminal, and the information of the demand bid group registered in this bid database. By providing a demand bid group search means for searching based on search conditions and a demand bid information transmission means for transmitting the search results by the demand bid group search means to the power seller terminal of the power seller, the power is sold. Since the person can freely select the demand bidding group that has jurisdiction over a specific supply point and can purchase electricity from the demand bidding group selected by the power seller himself, the power seller selects the demand bidding group that offers the highest bid price. It is possible to realize power procurement with a high degree of freedom for the seller, such as procuring power.

According to the power trading system of the invention according to claim 6, in addition to the effect of the power trading system of the invention according to claim 5, the processing apparatus has a power purchase period input from the power purchaser terminal of the power purchaser. Further equipped with a means for creating a power purchase bid plan for creating a power purchase bid plan for a demand bid group in the above, the demand bid information transmission means of the processing device sells the power purchase bid plan as a search result by the demand bid group search means. By sending to the power seller terminal, the power seller can select the demand bid group after carefully examining the demand bid group based on the power purchase bid plan, so that the matching accuracy between the power purchaser and the power seller can be selected. Can be improved.

According to the electric power trading system of the invention of claim 7, in addition to the effect of the electric power trading system of the invention of claim 6, the electric power of the processing apparatus to acquire the actual electric power consumption of the supply point by a predetermined time. A power purchase bid plan is further equipped with a means for acquiring actual power consumption and a means for calculating power demand forecast amount for each unit time of the power supply point after a predetermined time based on the actual power consumption at the supply point. However, by including the demand bid group power demand forecast amount, which is the sum of the unit time power consumption forecast amounts of each supply point constituting the demand bid group, the power consumption of each supply point belonging to the demand bid group per unit time. Since the demand bid group power demand forecast amount, which is the sum of the forecast amounts, is transmitted by the demand bid information transmission means, the power seller can confirm the magnitude of the time change of the power consumption of the power purchaser and realize the power sale. can.

According to the electric power trading system of the invention according to claim 8, in addition to the effect of the electric power trading system of the invention according to claim 6 or 7, the processing apparatus purchases electric power of the seller for the electric power purchase bidding plan. A power-buying bid information transmission means for displaying bid information on the power-buyer terminal of the power-buying person, and a power-selling contract registration means for contract-registering one power-buying bid selected based on the operation of the power-buying person in the bid database. By further providing, the power purchaser can select the power seller who purchases the power after confirming the bid conditions, so that the matching accuracy between the power purchaser and the power seller can be further improved. can.

According to the power generation method of the invention according to claim 9, the power generation bidding group registration means of the processing device is composed of two or more power generation points selected from the power generation points on the power seller terminal under the jurisdiction of the power seller. At least the step of registering the power generation bid group information in the bid database based on the instruction from the power seller terminal, and the power generation bid group information of the power generation bid group search means registered in the bid database of the processing device is the power purchaser. A step of searching based on the search conditions transmitted from the power purchaser terminal of the power generation, and a step of the power generation bid information transmission means of the processing device transmitting the search result by the power generation bid group search means to the power purchaser terminal of the power purchaser. By providing, the power purchaser can freely select the power generation bid group that has jurisdiction over a specific power generation point, and the power purchaser can procure power from the power generation bid group selected by the power purchaser himself. It is possible to realize power generation with a high degree of freedom for the purchaser, such as procuring power from a power generation bidding group that offers a low selling price.

According to the power trading method of the invention according to claim 10, the demand bidding group registration means of the processing device is composed of two or more supply points selected on the power purchaser terminal from the supply points under the jurisdiction of the power purchaser. At least the step of registering the information of the demand bid group in the bid database based on the instruction from the power purchaser terminal, and the demand bid group information registered in the bid database by the demand bid group search means of the processing device is the power seller. A step of searching based on the search conditions transmitted from the power seller terminal of the power seller, and a step of the demand bid information transmitting means of the processing device transmitting the search result by the demand bid group search means to the power seller terminal of the power seller. By providing, the power seller can freely select the demand bidding group that has jurisdiction over a specific supply point, and the power seller can purchase power from the demand bidding group selected by the power seller himself. It is possible to realize power procurement with a high degree of freedom for the power seller, such as procuring a demand bidding group that offers a high bid price.

According to the power trading program of the invention according to claim 11, the power purchaser has jurisdiction over a specific power generation point by causing the processing apparatus to execute each step of the power trading method according to claim 9 or 10. Since the power generation bidding group can be freely selected and the power can be procured from the power generation bidding group selected by the power purchaser himself, the power purchaser can procure the power from the power generation bidding group that offers the cheapest selling price. It is possible to realize electricity procurement with a high degree of freedom for the person.
Alternatively, the power seller offers the highest bid price because the power seller can freely select the demand bidding group that has jurisdiction over a specific supply point and can purchase power from the demand bidding group selected by the power seller himself. It is possible to realize power procurement with a high degree of freedom for the power seller, such as procuring a demand bidding group.

FIG. 3 is a network configuration diagram to which an electric power trading system according to an embodiment of the present invention is connected. The system configuration diagram of the electric power trading system shown in FIG. The device configuration diagram of the processing device. The flowchart which shows the prediction procedure of the electric power demand amount of a supply point by the electric power trading system which is an embodiment of this invention. The flowchart which shows the prediction procedure of the power generation amount of the power generation point by the power transaction system which is an Example of this invention. The flowchart which shows the electric power purchase procedure by the electric power purchaser using the electric power transaction system which is an embodiment of this invention. The flowchart which shows the registration procedure of the power generation bidding group by the electric power trading system which is an embodiment of this invention. The figure which shows an example of the power generation bidding group setting screen displayed on the power seller terminal when registering a power generation bidding group. The figure which shows an example of the power generation bid group setting screen displayed on the power seller terminal at the time of registration of a power generation bid group. The flowchart which shows the search procedure of the power generation bidding group by the electric power trading system which is an embodiment of this invention. The figure which shows an example of the power generation bid group search screen displayed on the power seller terminal when searching the power generation bid group. The flowchart which shows the contract procedure by the electric power trading system which is an Example of this invention. The figure which shows an example of the power sale bid display screen displayed on the power seller terminal when searching the power generation bid group. The flowchart which shows the electric power sales procedure by the electric power seller using the electric power transaction system which is an embodiment of this invention. The flowchart which shows the registration procedure of the demand bidding group by the electric power transaction system which is an Example of this invention. The figure which shows an example of the demand bid group setting screen displayed on the power purchaser terminal when registering a demand bid group. The figure which shows an example of the demand bid group setting screen displayed on the power purchaser terminal when registering a demand bid group. The flowchart which shows the search procedure of the demand bidding group by the electric power transaction system which is an embodiment of this invention. The figure which shows an example of the demand bid group search screen displayed on a power purchaser terminal when searching for a demand bid group. The flowchart which shows the contract procedure by the electric power trading system which is an Example of this invention. The figure which shows an example of the power purchase bid display screen displayed on the power purchaser terminal when searching the demand bid group.

In the power trading system of the present invention, the processing device transfers information of a power generation bidding group composed of two or more power generation points selected on the power seller terminal from the power generation points under the jurisdiction of the power seller from the power seller terminal. At least the power generation bid group registration method to be registered in the bid database based on the instruction of, and the information of the power generation bid group registered in this bid database are searched based on the search conditions sent from the power purchaser terminal of the power purchaser. By providing a power generation bid group search means for power generation and a power generation bid information transmission means for transmitting the search result by the power generation bid group search means to the power purchaser terminal of the power purchaser, the processing device also purchases power. A demand bidding group that registers at least the information of a demand bidding group consisting of two or more supply points selected on the power purchaser terminal from the supply points under the jurisdiction of the power generator in the bid database based on the instruction from the power purchaser terminal. The registration means, the demand bid group search means for searching the information of the demand bid group registered in this bid database based on the search conditions transmitted from the power seller terminal of the power seller, and the demand bid group search means. If it is possible to realize power generation with a high degree of freedom for the power generation trader by providing a demand bid information transmission means for transmitting the search result by the power generation seller to the power generation terminal of the power generation, the specific method is specified. The embodiment may be any.

Further, in the power trading method of the present invention, the power generation bidding group registration means of the processing device is a power generation bidding group composed of two or more power generation points selected from the power generation points on the power seller terminal under the jurisdiction of the power seller. At least the step of registering the information in the bid database based on the instruction from the power seller terminal, and the power generation bid group search means registered in the bid database of the processing device is the information of the power generation bid group of the power purchaser. It includes a step of searching based on the search condition transmitted from the terminal, and a step of transmitting the search result by the power generation bid group search means to the power purchaser terminal of the power purchaser by the power generation bid information transmission means of the processing device. Thereby, the power purchaser also obtains the information of the demand bidding group composed of two or more supply points selected on the power purchaser terminal from the supply points under the jurisdiction of the power purchaser by the demand bid group registration means of the processing device. At least the step of registering in the bid database based on the instruction from the terminal and the information of the demand bid group registered in the bid database by the demand bid group search means of the processing device are transmitted from the power seller terminal of the power seller. By providing a step of searching based on a search condition and a step of transmitting the search result by the demand bid group search means to the power seller terminal of the power seller, the demand bid information transmission means of the processing device includes a step of power trading. Any specific embodiment may be used as long as it realizes power trading with a high degree of freedom for the person.

Further, in the power trading program of the present invention, the power generation bidding group registration means of the processing device is a power generation bidding group composed of two or more power generation points selected from the power generation points on the power seller terminal under the jurisdiction of the power seller. At least the step of registering the information in the bid database based on the instruction from the power seller terminal, and the power generation bid group search means registered in the bid database of the processing device is the information of the power generation bid group of the power purchaser. The processing device has a step of searching based on the search conditions transmitted from the terminal and a step of the processing device's power generation bid information transmission means transmitting the search result by the power generation bid group search means to the power purchaser's power purchaser terminal. By executing, the demand bidding group registration means of the processing device buys the information of the demand bidding group composed of two or more supply points selected on the power purchaser terminal from the supply points under the jurisdiction of the power purchaser. At least the step of registering in the bid database based on the instruction from the power seller terminal, and the demand bid group search means registered in the bid database of the processing device sends the information of the demand bid group registered in the bid database from the power seller terminal of the power seller. To make the processing device execute a step of searching based on the searched search conditions and a step of the demand bid information transmitting means of the processing device transmitting the search result by the demand bidding group search means to the power seller terminal of the power seller. As long as it realizes electric power trading with a high degree of freedom for the electric power trader, the specific embodiment thereof may be any.

For example, the power purchaser terminal and the power seller terminal may be any mobile phone, smartphone, tablet, personal computer, or the like as long as they have a communication function.

Hereinafter, an electric power trading system, an electric power trading method, and an electric power trading program, which are examples of the present invention, will be described with reference to FIGS. 1 to 18.

<1. Overview of the network to which the power trading system is connected>
First, an outline of a network to which the electric power trading system 10 according to the embodiment of the present invention is connected will be described with reference to FIG.
FIG. 1 is a network configuration diagram to which an electric power trading system according to an embodiment of the present invention is connected.

As shown in FIG. 1, the electric power trading system 10 according to the embodiment of the present invention is connected to the network NW.
The network NW may be, for example, the Internet, an intranet that can be accessed only by a specific user, or a network in which these are combined.

The network NW includes the meteorological database DB referred to by the electric power trading system 10 and the electric power trading in the wholesale electric power trading market operated by other electric power trading system ES (specifically, JEPX (Japan Electric Power Exchange). System) etc. are connected.
In addition, a power transmission and distribution business operator that maintains a balance of power demand is also connected to this network NW.
A transmission and distribution business operator is a business operator that lays and maintains a transmission and distribution network and monitors the usage status of the transmission and distribution network (transmission and distribution destination, transmission and distribution amount, etc.).

Further, a power purchaser terminal BT owned by a power purchaser who wants to purchase electric power and a power seller terminal ST owned by a power seller who wants to sell electric power are also connected to this network NW.

The consumer has one or more electricity supply points specified by the supply point identification number, is the contracting entity of various electric power contracts, and has a power purchaser terminal BT.
At each of the customer's supply points, a forward flow meter FSM that digitally measures electric power and is connected to the network NW is installed.
This forward power flow meter FSM grasps the amount of electric power used in each predetermined cycle and transmits it to a power transmission and distribution business operator via a network NW, and includes, for example, a forward power flow smart meter.
The cycle in which the forward tide meter FSM grasps the amount of electric power used is, for example, a demand control cycle (a 30-minute cycle is common in Japan), but the cycle is not particularly limited.
Further, each supply point may be equipped with a power management system including a HEMS integrated with or separately from the forward flow measuring meter FSM.

The power generation company has one or more power generation points of electricity specified by the power receiving point identification number, and has a power seller terminal ST.
This power generation company owns power generation facilities (generators installed in thermal power plants, wind power plants, nuclear power plants, solar power plants, etc.) and controls and monitors each power generation facility. Is a person.
At each of the power generation points of the power generation company, a reverse power flow meter RSM connected to the network NW is installed while digitally measuring the electric power.
This reverse power flow measuring meter RSM grasps the amount of power generation for each predetermined cycle and transmits it to the power transmission and distribution business operator via the network NW, and includes, for example, a reverse power flow smart meter and the like.
The cycle in which the reverse power flow meter RSM grasps the amount of power generation or the like is, for example, a demand control cycle, but the cycle is not particularly limited.

In addition, this network NW is engaged in the business of retail electric power companies that supply electricity to consumers, aggregators that bundle the electricity demand of consumers and effectively provide energy management services, and mediation of the conclusion of retail supply contracts. An agent is connected.
A retail electric power company possesses at least one of a power purchaser terminal BT and a power seller terminal ST because it can be a power purchaser who wants to purchase electric power or a power seller who wants to sell electric power. ing.
Since the aggregator corresponds to a power seller who wants to sell electric power, he / she has a power seller terminal ST.
The agent has a power purchaser terminal BT because it corresponds to a power purchaser who wants to purchase electric power.

<2. Overview of electricity trading system>
Next, an outline of the electric power trading system 10 will be described with reference to FIGS. 1 to 3.
FIG. 2 is a system configuration diagram of the electric power trading system shown in FIG. 1, and FIG. 3 is a device configuration diagram of a processing device.

As shown in FIGS. 1 and 2, the electric power trading system 10 is a long-term bilateral trading subsystem 100 that supports electric power trading between a power purchaser who wants to purchase electric power and a power seller who wants to sell electric power. The short-term supply-demand adjustment system 200 that adjusts the power supply-supply balance between supply points on the day before the power supply date and the day of the power supply date to minimize the imbalance amount in the planned value simultaneous equal amount system, and the long-term bilateral trading subsystem 100. And a common subsystem 300 that carries out processing common to the short-term supply and demand adjustment system 200.

<2.1. Long-term bilateral trading subsystem ＞
As shown in FIGS. 1 and 2, the long-term bilateral transaction subsystem 100 includes a power purchase transaction component 110 for conducting a power transaction mainly by a power purchaser and a power sale transaction component for conducting a power transaction mainly by a power seller. It has 120 and.

As shown in FIG. 2, the power purchase transaction component 110 includes a power generation bid group registration means 111, a power generation bid group search means 112, a power generation bid information transmission means 113, a power sale bid plan creation means 114, and a power sale bid. It has an information transmission means 115 and a power purchase contract registration means 116.

The power generation bidding group registration means 111 registers a power generation bidding group (for example, GA1 shown in FIG. 1) composed of one or more power generation points under the jurisdiction of the seller in the bidding database 23a (see FIG. 3) described later.
The power generation bidding group search means 112 searches for a power generation bidding group registered in the bidding database 23a.
The power generation bid information transmission means 113 transmits the power sale bid plan to the power purchaser terminal BT of the power purchaser as a search result by the power generation bid group search means 112.
The power selling bid plan creating means 114 creates a power selling bid plan for the power generation bidding group during the power selling period input from the power selling terminal ST of the power seller.
The power selling bid information transmitting means 115 transmits the information of the power selling bid of the power purchaser to the power selling bid plan by the power seller to the power seller terminal ST of the power seller.
The power purchase contract registration means 116 contracts and registers one power sale bid selected based on the operation of the power seller in the bid database 23a.

As shown in FIG. 2, the power sale transaction component 120 includes a demand bid group registration means 121, a demand bid group search means 122, a demand bid information transmission means 123, a power purchase bid plan creation means 124, and a power purchase bid. It has an information transmitting means 125 and a power selling contract registration means 126.

The demand bidding group registration means 121 registers a demand bidding group (for example, GX1 shown in FIG. 1) composed of one or more supply points under the jurisdiction of the power purchaser in the bidding database 23a.
The demand bid group search means 122 searches for a demand bid group registered in the bid database 23a.
The demand bid information transmission means 123 transmits the power purchase bid plan to the power seller terminal ST of the power seller as a search result by the demand bid group search means 122.
The power purchase bid plan creation means 124 creates a power purchase bid plan for the demand bidding group during the power purchase period input from the power purchaser terminal BT of the power purchaser.
The power purchase bid information transmitting means 125 transmits the information of the power purchase bid of the power seller to the power purchase bid plan by the power purchaser to the power purchaser terminal BT of the power purchaser.
The power sale contract registration means 126 contracts and registers one power purchase bid selected based on the operation of the power purchaser in the bid database 23a.

<2.2. Common subsystem>
As shown in FIG. 2, the common subsystem 300 includes at least an actual power consumption amount acquisition unit 310, a power demand forecast amount calculation unit 320, a power generation amount acquisition unit 330, and a power generation forecast amount calculation unit 340. ..

The actual power consumption acquisition means 310 acquires the actual power consumption at a predetermined supply point up to a predetermined time.
The electric power demand forecast amount calculating means 320 calculates the electric power demand forecast amount of the supply point after a predetermined time based on the electric power actual consumption amount of the supply point acquired by the electric power actual consumption amount acquisition means 310.
The power generation amount acquisition means 330 acquires the power generation amount at a predetermined power generation point up to a predetermined time.
The power generation prediction amount calculation means 340 calculates the power generation prediction amount of the power generation point after a predetermined time based on the power generation amount of the power generation point acquired by the power generation amount acquisition means 330.

<2.3. Processing equipment>
The electric power trading system 10 configured as described above is composed of at least one processing device 20.
The processing device 20 has a communication unit 21 connected to the network NW, an input / output unit 22 such as a man-machine interface that inputs information from the outside or outputs information to the outside, and a communication unit 21 from the network NW. It is input from the storage unit 23 that stores the acquired data, the input from the input / output unit 22, and the power trading program, and the data and the input / output unit 22 obtained from the network NW by the power trading program stored in the storage unit 23. It is provided with a processing unit 24 for processing the information and the like.
The storage unit 23 has a bidding database 23a for storing the progress of electric power transactions between the power purchaser and the power seller.
The processing device 20 configured in this way constitutes each component and each means of each subsystem of the electric power trading system 10.

<3. Electricity trading method>
Next, a power trading method by the power trading program stored in the power trading system 10 shown in FIGS. 1 and 2 and the processing device 20 shown in FIG. 3 will be described with reference to FIGS. 4A to 18.

<3.1. Acquisition of actual power consumption and power generation, and forecast of power demand and power generation>
First, based on FIGS. 4A and 4B, acquisition of actual power consumption at a supply point by the common subsystem 300 of the power trading system 10 and prediction of power demand, and power generation by the common subsystem 300 of the power trading system 10 The acquisition of the power generation amount at the point and the prediction of the power generation amount will be explained.
FIG. 4A is a flowchart showing a procedure for predicting the amount of power demand at a supply point by the power trading system according to the embodiment of the present invention, and FIG. 4B shows the prediction of the amount of power generated at the power generation point by the power trading system according to the embodiment of the present invention. It is a flowchart which shows the procedure.

<3.1.1. Acquisition of actual power consumption at supply points and calculation of power demand forecast>
First, the acquisition of the actual power consumption at the supply point and the calculation of the power demand forecast amount will be described with reference to FIG. 4A.

The acquisition of the actual power consumption at the supply point by the power trading system 10 is performed by the actual power consumption acquisition means 310 of the common subsystem 300.
The prediction of the electric power demand amount at the supply point (calculation of the electric power demand forecast amount) by the electric power trading system 10 is performed by the electric power demand forecast amount calculation means 320 of the common subsystem 300.

It should be noted that the acquisition of the actual power consumption by the actual power consumption acquisition means 310 and the prediction of the power demand amount by the power demand forecast amount calculation means 320 may be performed at any timing.
Further, the supply points from which the actual power consumption acquisition means 310 acquires the actual power consumption may be all supply points or some supply points.
Similarly, the supply points for which the electric power demand forecast amount calculation means 320 predicts the electric power demand amount may be all supply points or some supply points.

The actual power consumption acquisition means 310 of the power trading system 10 has a power consumption amount every 30 minutes at a predetermined (for example, all) supply points for the past minutes (for example, for the past one year from a predetermined start time) [ kWh] is acquired from the forward power flow meter FSM provided at each supply point via the power transmission and distribution business operator (step S10).
In the case of the first year when the forward power flow measuring meter FSM is installed, the actual power consumption acquisition means 310 obtains the actual power consumption every 30 minutes from the power transmission and distribution business operator.
Further, when the supply point itself is new, or when the actual power consumption of the supply point cannot be acquired, the actual power consumption acquisition means 310 estimates the actual power consumption by the existing power consumption model.

Next, the electric power demand forecast amount calculating means 320 of the electric power trading system 10 acquires the environmental data of each supply point and stores it in the storage unit 23 of the processing device 20 (step S11).
The "environmental data of the supply point" here means the weather data (temperature, humidity, pressure, solar radiation amount, rainfall amount) for the past year of each supply point acquired from the weather database DB by the power demand forecast amount calculation means 320. Etc.), weather forecast data for 84 hours at each supply point, or calendar data recording holidays and holidays.

Next, the electric power demand forecast amount calculating means 320 of the electric power trading system 10 acquires the actual electric power consumption for the past based on the actual electric power consumption for the past acquired in step S10 and the environmental data acquired in step S11. A power demand forecast amount [kWh] every 30 minutes for a predetermined period (for example, one year) at each supply point is calculated and stored in the storage unit 23 of the processing device 20 (step S12).

<3.1.2. Acquisition of power generation amount at power generation point and prediction of power generation amount>
Subsequently, the acquisition of the power generation amount at the power generation point and the calculation of the power generation predicted amount will be described with reference to FIG. 4B.

The acquisition of the power generation amount at the power generation point by the power transaction system 10 is performed by the power generation amount acquisition means 330 of the common subsystem 300.
The prediction of the power generation amount at the power generation point (calculation of the power generation prediction amount) by the power transaction system 10 is performed by the power generation prediction amount calculation means 340 of the common subsystem 300.

The acquisition of the power generation amount by the power generation amount acquisition means 330 and the prediction of the power generation amount by the power generation prediction amount calculation means 340 may be performed at any timing.
Further, the power generation points at which the power generation amount acquisition means 330 acquires the power generation amount may be all power generation points or some power generation points.
Similarly, the power generation points for which the power generation prediction amount calculation means 340 predicts the power generation amount may be all power generation points or some power generation points.

The power generation amount acquisition means 330 of the power trading system 10 obtains the power generation amount [kWh] every 30 minutes at a predetermined (for example, all) power generation points for the past (for example, for the past one year from a predetermined start date). It is acquired from the reverse power flow meter RSM provided at the power generation point via the power transmission and distribution business operator and stored in the storage unit 23 of the processing device 20 (step S20).
In the case of the first year when the reverse power flow measuring meter RSM is installed, the power generation amount acquisition means 330 obtains the power generation amount every 30 minutes from the power transmission and distribution business operator.
If the power generation point itself is new, or if the power generation amount at the power generation point cannot be acquired, the power generation amount acquisition means 330 estimates the power generation amount using the existing power generation model.

Next, the power generation prediction amount calculation means 340 of the electric power trading system 10 acquires the environmental data of each power generation point and stores it in the storage unit 23 of the processing device 20 (step S21).
The "environmental data of the power generation point" here means the weather data (temperature, humidity, pressure, solar radiation amount, rainfall amount, etc.) for the past year of each power generation point acquired from the weather database DB by the power generation forecast amount calculation means 340. ), Weather forecast data for 84 hours at each power generation point, or calendar data recording holidays and holidays.

Next, the power generation prediction amount calculation means 340 of the power trading system 10 is at each power generation point where the past power generation amount is acquired based on the past power generation amount acquired in step S20 and the environmental data acquired in step S21. The predicted power generation amount [kWh] every 30 minutes for a predetermined period (for example, one year) is calculated and stored in the storage unit 23 of the processing device 20 (step S22).

<3.2. Power purchase by the purchaser ＞
Subsequently, the procedure for purchasing electric power by the power purchaser will be described with reference to FIGS. 5 to 11.

First, an outline of the power purchase procedure by the power purchaser will be described with reference to FIG.
FIG. 5 is a flowchart showing a procedure for purchasing electric power by a power purchaser using the electric power trading system according to the embodiment of the present invention.

When the power purchaser selects a power generation bidding group to purchase power, as shown in FIG. 5, the power seller first registers the power generation bidding group in advance (step S100), and then the power purchaser. Searches for a power generation bidding group (step S120) and bids for power selling against the power selling bidding plan (step S140).
After that, the power seller confirms the power sale bid and performs the contract processing (step S160).
Hereinafter, each step will be described in detail.

<3.2.1. Registration of power generation bidding group>
First, the registration of the power generation bidding group by the power seller in step S100 will be described with reference to FIGS. 6 to 7B.
FIG. 6 is a flowchart showing a procedure for registering a power generation bidding group by the power trading system according to the embodiment of the present invention, and FIGS. 7A and 7B are power generation bids displayed on the power seller terminal when the power generation bidding group is registered. It is a figure which shows an example of a group setting screen.

When the power seller registers the power generation bid group, the power seller accesses the power trading system 10 by the power seller terminal ST and calls the power generation bid group setting screen data (step S101).
Upon receiving the call of the power generation bid group setting screen data, the power trading system 10 transmits the power generation bid group setting screen data to the power seller terminal ST (step S102).
As a result, the power seller terminal ST displays the power generation bidding group setting screen 30 as shown in FIGS. 7A and 7B (step S103).

Here, the power generation bidding group setting screen 30 will be described.
The power generation bid group setting screen 30 includes a power generation bid group information input area 31, a power generation point search condition input area 32, a power generation bid group registration area 33, a power generation amount simulation area 34, and a power sale desired unit price input area 35. , The power sale bid plan display area 36, the power sale bid plan registration button 37, and the return button 38.

The power generation bid group information input area 31 is composed of a bid area selection tab 31a, a power sale period input field 31b, and a power generation bid group name input field 31c.
In the power generation bid group information input area 31, the bid area is specified (selection of the bid area selection tab 31a), the power sale period is set (input in the power sale period input field 31b), and the power generation bid group name is input (). Input to the power generation bid group name input field 31c) is mandatory.

The bid area selection tab 31a is a drop-down list that displays bid area candidates (in Japan, a supply area that divides the country into 10), and one bid from the bid area displayed on the bid area selection tab 31a. The area can be freely selected.
The electric power sale period input field 31b is a field for inputting a target period for electric power sale (electric power sale period).
The power generation bidding group name input field 31c is a field for inputting the name of the power generation bidding group to be registered (preferably to which information specifying the power source is added).

The power generation point search condition input area 32 includes a search condition input field 32a, a search button 32b, and a clear button 32c.
The search condition input field 32a is a field for inputting a keyword for searching a predetermined power generation point from a pre-registered power generation point.
The search button 32b is a button for transmitting an instruction to search for a power generation point to the electric power transaction system 10 based on the keyword input in the search condition input field 32a.
The clear button 32c is a button for deleting the keyword input in the search condition input field 32a.

The power generation bid group registration area 33 is composed of a power generation point display field 33a, a power generation bid group display field 33b, an add button 33c, and a delete button 33d.
The power generation point display column 33a is a column in which the name of the power generation point, which is one of the information of the power generation point transmitted from the electric power transaction system 10, is displayed one by one in one line, and each line can be freely selected. There is.
The power generation bid group display column 33b is a column in which the names of the power generation points constituting the candidates of the power generation bid group are displayed one by one in one line, and each line can be freely selected.
The add button 33c is a button for adding the power generation point selected in the power generation point display field 33a to the power generation bid group display field 33b.
The delete button 33d is a button for deleting the power generation point selected in the power generation bid group display field 33b from the power generation bid group display field 33b.

The power generation amount simulation area 34 is composed of a power generation amount simulation button 34a and a power generation amount simulation column 34b.
The power generation amount display button 34a is a button for transmitting a command to the power transaction system 10 to add up the power generation predicted amounts of the power generation points displayed in the power generation bid group display column 33b.
The power generation amount display column 34b is a column in which the power generation predicted amount of the entire power generation point (power generation bid group candidate) displayed in the power generation bid group display field 33b transmitted from the power trading system 10 is displayed. , The transition of the power generation amount for a predetermined time (for example, every 30 minutes) for a predetermined period (for example, one day) corresponding to a predetermined condition (the day with the largest amount of power generation in one day) is displayed.

The power sale desired unit price input area 35 is composed of a power sale desired unit price input field 35a and a power sale bid plan display button 35b.
The power selling desired unit price input field 35a is a field for inputting the power selling desired unit price to be registered in the power selling bidding plan.
The power selling bid plan display button 35b causes the power selling bid plan creating means 114 of the power trading system 10 to create a power selling bid plan for the power generation bidding group candidate, and causes the power selling terminal ST to send the power selling bid plan. Is a button for transmitting to the power trading system 10.

In the power selling bid plan display area 36, the power selling bid plan of the power generation bidding group candidate received from the power trading system 10 is displayed.
Specifically, as a power generation bid plan, information for specifying the power source of the power generation bid group candidate (whether or not it is renewable energy, etc.), the total electric energy as the power generation bid group candidate [MWh], and the power generation bid group candidate. Average power consumption [kWh / day], annual maximum power as a power generation bid group candidate [kW], desired unit price for selling power as a power generation bid group candidate [yen / kWh], total price (total power as a power generation bid group candidate) Amount x desired unit price for selling power as a candidate for a power generation bidding group) [yen] etc. are included.

The power sale bid plan registration button 37 registers the power generation bid group candidate displayed in the power generation bid group display field 33b as a power generation bid group in the bid database 23a, and also registers the contents input in the power generation bid group information input area 31 and sells. The electricity selling bid plan displayed in the electricity bidding plan display area 36 is also a button for transmitting an instruction to be registered in the bidding database 23a associated with the information of the power generation points constituting the power generation bidding group to the electricity trading system 10.
The return button 38 is a button for transitioning from the power generation bidding group setting screen 30 to another screen (for example, an initial screen).

Returning to FIG. 6, the registration of the power generation bidding group by the power seller will be further described.
The power seller inputs the information of the power generation bid group to be registered in the power generation bid group information input area 31 by the power seller terminal ST.

Next, the power seller inputs a keyword for searching a power generation point that is a candidate for the power generation bidding group registered in the power transaction system 10 by the power seller terminal ST in the search condition input field 32a.
Then, when the search button 32b is pressed by operating the power seller terminal ST, the power seller terminal ST transmits the search condition of the power generation point input in the power generation point search condition input area 32 to the power trading system 10. (Step S104).

The electric power transaction system 10 that has received the search condition for the power generation point searches for a power generation point that matches the received search condition (step S105).
Then, the electric power transaction system 10 transmits the search result (information on the power generation point corresponding to the received search condition) to the power seller terminal ST (step S106).

The power seller terminal ST that has received the search result from the power transaction system 10 displays the power generation point that matches the received search condition in the power generation point display field 33a of the power generation bid group registration area 33 (step S107).

Next, the power seller selects a power generation point for which a power generation bid group is to be formed from the power generation points displayed in the power generation point display field 33a of the power generation bid group registration area 33 by the power seller terminal ST, and presses the add button 33c. ..
As a result, the candidates for the power generation bid group are displayed in the power generation bid group display column 33b (step S108).

Next, it is determined whether or not the power seller terminal ST has received the command for simulating the electric energy (step S109).
When the power generation amount simulation button 34a is pressed by operating the power seller terminal ST, it is assumed that the power seller terminal ST has received the command to simulate the power amount, and the command to simulate the power amount and the power generation bidding group. Information on the power generation point that is a candidate for the above is transmitted to the electric power trading system 10, and the process proceeds to step S110.
When the power generation amount simulation button 34a is not pressed, the power seller inputs the power sale desired unit price in the power sale desired unit price input field 35a of the power sale desired unit price input area 35 by the power seller terminal ST, and steps. Proceed to S113.

In step S110, the power trading system 10 that has received the command to simulate the power amount simulates the power generation amount of the candidate of the power generation bidding group based on the power generation predicted amount of each power generation point calculated by the power generation predicted amount calculating means 340. To create.
Then, the electric power transaction system 10 transmits the simulated result to the power seller terminal ST (step S111).
The power seller terminal ST that has received the simulated result of the power generation amount of the power generation bidding group displays the simulated result in the power generation amount simulation column 34b (step S112).
Then, the power seller inputs the power sale desired unit price in the power sale desired unit price input field 35a of the power sale desired unit price input area 35 by the power seller terminal ST.

When the power sale bid plan display button 35b is pressed by operating the power seller terminal ST, the power seller terminal ST displays the information input in the power generation bid group information input area 31 and the power generation bid group display field 33b. Information on the power generation point that is a candidate for the displayed power generation bidding group and the power selling bid plan creation information such as the power selling desired unit price input in the power selling desired unit price input field 35a are transmitted to the power trading system 10 ( Step S113).

Next, the power selling bid plan creating means 114 of the power trading system 10 creates a power selling bid plan for a candidate of the power generation bidding group from the power selling bid plan creation information received from the power seller terminal ST (step S114). The power sale bid plan is transmitted to the power seller terminal ST (step S115).

The power seller terminal ST that has received the power selling bid plan from the power trading system 10 displays the power selling bid plan in the power selling bid plan display area 36 (step S116).
When the power selling bid plan registration button 37 is pressed by operating the power selling terminal ST, the power selling terminal ST transmits an instruction to register the power selling bid plan in the bidding database 23a to the power trading system 10 ( Step S117).
The power generation bidding group registration means 111 of the power trading system 10 that has received the registration instruction of the power selling bid plan uses the power selling bidding plan transmitted to the power seller terminal ST as the power selling bidding plan of the power generation bidding group in the bidding database 23a. Register (step S118).

<3.2.2. Searching for power generation bidding groups and bidding for selling power>
Next, the search for the power generation bidding group by the power purchaser in step S120 and the power sale bid in step S140 will be described with reference to FIGS. 8 and 9.
FIG. 8 is a flowchart showing a procedure for searching a power generation bid group by the power trading system according to an embodiment of the present invention, and FIG. 9 is a power generation bid group search screen displayed on a power seller terminal when searching for a power generation bid group. It is a figure which shows an example.

When the power purchaser searches for the power generation bid group, the power purchaser accesses the power transaction system 10 by the power purchaser terminal BT and calls the power generation bid group search screen data (step S121).
The electric power trading system 10 that has received the call of the power generation bid group search screen data transmits the power generation bid group search screen data to the power purchaser terminal BT (step S122).
As a result, the power purchaser terminal BT displays the power generation bidding group search screen 40 as shown in FIG. 9 (step S123).

Here, the power generation bidding group search screen 40 will be described.
The power generation bid group search screen 40 is composed of a power generation bid group search condition input area 41, a power generation bid group display area 42, a power generation forecast amount display area 43, a power sale bid plan display area 44, and a bid button 45. ing.

The power generation bid group search condition input area 41 includes a bid area selection tab 41a, a total price input field 41b, an annual maximum output input field 41c, a power sale period input field 41d, a total power amount input field 41e, and a search button. It is composed of 41f and a clear button 41g.
In the power generation bidding group search condition input area 41, it is essential to specify the bidding area (selection of the bidding area selection tab 41a).

The bid area selection tab 41a is a drop-down list that displays bid area candidates (supply areas in Japan), and one bid area can be freely selected from the bid areas displayed on the bid area selection tab 41a. ing.
The total price input field 41b is a field for inputting a range of total prices set by the power generation bidding group.
The annual maximum output input field 41c is a field for inputting the range of the annual maximum output of the power generation bidding group.
The electric power sale period input field 41d is a field for inputting the target period for the electric power sale of the electric power seller.
The total electric energy input field 41e is a field for inputting the range of the total electric energy of the power generation bidding group.
The search button 41f is a button for transmitting an instruction to search for a power generation bidding group to the electric power trading system 10 based on the information input or selected in the total electric energy input field 41e from the bidding area selection tab 41a.
The clear button 41g is a button for deleting information input or selected in the total electric energy input field 41e from the bid area selection tab 41a.

In the power generation bidding group display area 42, information on the power generation bidding group transmitted from the power trading system 10 is displayed one group per line.
In the power generation bid group display area 42, the bid status and the power sale bid plan of each power generation bid group are displayed.
Further, each line of the power generation bidding group display area 42 is freely selectable.

The power generation forecast amount display area 43 is a column in which the power generation forecast amount of the entire power generation point is displayed as the power generation bid group selected in the power generation bid group display area 42, and specifically, a predetermined period corresponding to a predetermined condition. The transition of the amount of power generation for a predetermined time (for example, every 30 minutes) for a predetermined time (for example, one day) is displayed.

In the power selling bid plan display area 44, the power selling bid plan of the power generation bidding group selected in the power generation bidding group display area 42 is displayed.

The bidding button 45 transmits an instruction to bid for the power generation bidding group selected in the power generation bidding group display area 42 to the power trading system 10.

Returning to FIG. 8, the search for the power generation bidding group by the power purchaser will be further described.
The power purchaser inputs a search condition for searching for a power generation bid group to be procured in the power generation bid group search condition input area 41 by the power purchaser terminal BT.

Next, when the search button 41f is pressed by operating the power purchaser terminal BT, the power purchaser terminal BT sets the search condition of the power generation bid group input in the power generation bid group search condition input area 41 to the power trading system 10. (Step S124).

The power generation bid group search means 112 of the power transaction system 10 that has received the search condition of the power generation bid group searches for a power generation bid group that matches the received search condition (step S125).
Then, the power generation bid information transmission means 113 of the power trading system 10 transmits the search result (power generation bid information such as the power sale bid plan of the power generation bid group that matches the search condition) to the power purchaser terminal BT (step S126).

The power purchaser terminal BT that has received the search result from the power transaction system 10 displays the information of the power generation bid group in the power generation bid group display area 42 (step S127).

Next, the power purchaser selects a power generation bid group to be bid from the power generation bid group displayed in the power generation bid group display area 42 by the power purchaser terminal BT (step S128).
When the power purchaser selects the power generation bidding group to be bid on by the power purchaser terminal BT, the power purchaser terminal BT sends the power generation forecast amount of the selected power generation bidding group and the call command of the power sale bid plan to the power trading system 10. (Step S129).

Upon receiving the command to call the power generation bid group and the power sale bid plan selected by the power purchaser, the power trading system 10 sets the power generation bid group's power forecast amount and the power sale bid plan to the power purchaser terminal BT. (Step S130).

The power purchaser terminal BT that has received the power generation bid group's power forecast amount and the power sale bid plan displays the power generation forecast amount of the power generation bid group in the power generation forecast amount display area 43, and displays the power sale bid plan on the power sale bid plan. It is displayed in the area 44 (step S131).

When the bid button 45 is pressed by operating the power purchaser terminal BT, the power trading system 10 indicates that the bid is made to the power sale bid plan of the power generation bid group selected in the power generation bid group display area 42 (bid instruction). Is transmitted to (step S141).
Then, the electric power transaction system 10 that has received the bidding instruction registers in the bidding database 23a that the bidding has been entered in the power generation bidding group selected in the power generation bidding group display area 42 (that there was a bidding for selling electricity) (step). S142).

<3.2.3. Contract processing>
Next, the contract processing in step S160 will be described with reference to FIGS. 10 and 11.
FIG. 10 is a flowchart showing a contract procedure by the electric power trading system according to the embodiment of the present invention, and FIG. 11 shows an example of a power selling bid display screen displayed on the power seller terminal when searching for a power generation bidding group. It is a figure.

When the power seller confirms the bid for the power sale bid plan (power sale bid), the power seller accesses the power transaction system 10 by the power seller terminal ST and calls the power sale bid confirmation screen data (step S161). ).
Upon receiving the call for the power sale bid confirmation screen data, the power transaction system 10 transmits the power sale bid confirmation screen data to the power seller terminal ST (step S162).
As a result, the power seller terminal ST displays the power sale bid confirmation screen 50 as shown in FIG. 11 (step S163).

Here, the power sale bid confirmation screen 50 will be described.
The power sale bid confirmation screen 50 is composed of a power sale bid search condition input area 51, a power sale bid display area 52, and a contract button 53.

The power sale bid search condition input area 51 includes a power generation bid group name input field 51a, a supply area selection field 51b, a power sale period input field 51c, a bidder name input field 51d, and a power sale bid search button 51e. It is composed of a clear button 51f.

The power generation bid group name input field 51a is a field for inputting a keyword when searching for a registered power generation bid group.
The supply area selection column 51b is a column for selecting a supply area, and a plurality of supply areas can be freely selected.
The electric power sale period input field 51c is a field for inputting the electric power sale period set by the power generation bidding group.
The bidder name input field 51d is a field for inputting a keyword when searching for a bidder (power purchaser).
The power sale bid search button 51e is a button for transmitting an instruction to search for a power sale bid to the power trading system 10 based on the information input or selected from the power generation bid group name input field 51a to the bidder name input field 51d. ..
The clear button 51f is a button for deleting information input or selected from the power generation bid group name input field 51a to the bidder name input field 51d.

In the power selling bid display area 52, the power selling bid information transmitted from the power selling bid information transmitting means 115 of the electric power trading system 10 is displayed one by one per line.
In each line of the power sale bid display area 52, a power generation bid group name, a power source, a bidder, a power sale bid plan, and the like are displayed.
Further, each line of the power sale bid display area 52 is freely selectable.

The contract button 53 transmits the information of the power selling bid selected in the power selling bid display area 52 to the electric power trading system 10.

Returning to FIG. 10, the contract processing will be further described.
The power seller inputs search conditions for searching for a power selling bid that is convenient for the power seller in the power selling bid search condition input area 51 by the power selling terminal ST.
Then, when the power selling bid search button 51e is pressed by operating the power selling terminal ST, the power selling terminal ST sets the search condition of the power selling bid input in the power selling bid search condition input area 51 into the power trading system. It is transmitted to 10 (step S164).

The electric power transaction system 10 that has received the search condition for the power sale bid searches for the power sale bid for the power sale bid plan that matches the received search condition (step S165).
Then, the power selling bid information transmitting means 115 of the electric power transaction system 10 transmits the search result (information on the selling bid for the power selling bidding plan that matches the search condition) to the power selling terminal ST (step S166).

The power seller terminal ST that has received the search result from the power transaction system 10 displays the power sale bid that matches the search condition in the power sale bid display area 52 (step S167).

The power seller confirms the power generation bid displayed in the power sale bid display area 52 of the power sale bid confirmation screen 50 by the power seller terminal ST, selects the most favorable power sale bid, and presses the contract button 53. push.
When the contract button 53 is pressed by operating the power seller terminal ST, one power selling bid selected in the power selling bid display area 52 is transmitted to the power trading system 10 as a contract target (step S168).

Then, the power purchase contract registration means 116 of the electric power trading system 10 that has received the information of the power sale bid to be contracted registers one power sale bid in the bid database 23a (step S169).
This completes the long-term bilateral transaction between the seller and the buyer.

<3.2.4. Summary>
The power generation system 10 of the present embodiment configured in this way sets a power generation bidding group consisting of one or more power generation points under the jurisdiction of the power seller based on the instruction from the power seller terminal BT in the power generation bidding database 23a. That is, the power generation bid group registration means 111 for registering at least the information of the power generation bid group composed of two or more power generation points under the jurisdiction of the power seller in the bid database 23a, and the power generation bid group registration means 111 registered in the bid database 23a. The power generation bid group search means 112 that searches for the power generation bid group based on the search conditions transmitted from the power purchaser terminal BT of the power purchaser, and the power generation bid group search means 112 that searches the search results by the power purchaser. By providing the power generation bid information transmission means 113 for transmitting to the terminal BT, the power purchaser can freely select the power generation bid group that has jurisdiction over a specific power generation point, and the power generation bid group selected by the power purchaser himself can be used for power generation. Therefore, it is possible for the power purchaser to procure power from the power generation bidding group that offers the cheapest selling price, which is a high degree of freedom for the power purchaser.

Further, the power selling bid plan creating means 114 for creating the power selling bid plan of the power generation bidding group during the power selling period input from the power selling seller terminal ST of the power seller is further provided, the power generation bid information transmitting means is 113, and the power generation is performed. By transmitting the power sale bid plan to the power purchaser terminal BT of the power purchaser as a search result by the bid group search means 112, the power purchaser carefully examines the power generation bid group based on the power sale bid plan and then bids for power generation. Since the group can be selected, the matching accuracy between the power buyer and the power seller can be improved.

In recent years, due to heightened environmental awareness, there has been an increasing demand for RE100 (100% of the energy required for business operations is covered by renewable energy). Even if I could select it, I could not identify the power source.
However, since the power sale bid plan includes information that identifies the power source of the power generation bid group, the power purchaser can select the power generation bid group that has jurisdiction over the specific power source, so that the power purchaser can operate the business. It is possible to easily realize electric power procurement such that the energy required for electricity is 100% renewable energy.

Further, the power selling bid information transmitting means 115 for transmitting the information of the power selling bid of the power buyer for the power selling bid plan to the power seller terminal ST of the power seller, and one selected based on the operation of the power seller. By further providing the power purchase contract registration means 116 for registering the power sale bid in the bid database 23a, the power purchaser can select the power seller to purchase the power after confirming the bid conditions. , The matching accuracy between the power buyer and the power seller can be further improved.

<3.3. Electricity sales by electricity sellers>
Subsequently, the procedure for selling electric power by the seller will be described with reference to FIGS. 12 to 18.

First, an outline of the electric power sales procedure by the power seller will be described with reference to FIG. 12.
FIG. 12 is a flowchart showing a power sales procedure by a power seller using the power trading system according to the embodiment of the present invention.

When the power seller selects a demand bidding group and sells electric power, as shown in FIG. 12, the power purchaser first registers the demand bidding group in advance (step S200), and then the power seller. Searches for a demand bidding group (step S220) and makes a bid for a power purchase bid plan (step S240).
After that, the power purchaser confirms the power purchase bid and performs the contract processing (step S260).
Hereinafter, each step will be described in detail.

<3.3.1. Registration of demand bidding group>
First, the registration of the demand bidding group by the power purchaser in step S200 will be described with reference to FIGS. 13 to 14B.
FIG. 13 is a flowchart showing a procedure for registering a demand bidding group by the electric power trading system according to the embodiment of the present invention, and FIGS. 14A and 14B are demand bids displayed on the power purchaser terminal when the demand bidding group is registered. It is a figure which shows an example of a group setting screen.

When the power purchaser registers the demand bid group, the power purchaser accesses the power transaction system 10 by the power purchaser terminal BT and calls the demand bid group setting screen data (step S201).
The electric power transaction system 10 that has received the call of the demand bid group setting screen data transmits the demand bid group setting screen data to the power purchaser terminal BT (step S202).
As a result, the power purchaser terminal BT displays the demand bidding group setting screen 60 as shown in FIGS. 14A and 14B (step S203).

Here, the demand bidding group setting screen 60 will be described.
The demand bid group setting screen 60 includes a demand bid group information input area 61, a supply point search condition input area 62, a demand bid group registration area 63, a demand amount simulation area 64, and a power purchase desired unit price input area 95. , The power purchase bid plan display area 66, the power purchase bid plan registration button 67, and the return button 68.

The demand bid group information input area 61 is composed of a bid area selection tab 61a and a demand bid group name input field 61b.
In the demand bid group information input area 61, it is essential to specify the bid area (select the bid area selection tab 61a) and input the demand bid group name (input to the demand bid group name input field 61b). There is.

The bid area selection tab 61a is a drop-down list that displays bid area candidates (supply areas in Japan), and one bid area can be freely selected from the bid areas displayed on the bid area selection tab 61a. ing.
The demand bid group name input field 61b is a field for inputting the name of the demand bid group to be registered from now on.

The supply point search condition input area 62 includes a search condition input field 62a, a search button 62b, and a clear button 62c.
The search condition input field 62a is a field for inputting a keyword for searching a predetermined supply point from the supply points registered in advance.
The search button 62b is a button for transmitting an instruction to search for a supply point to the electric power transaction system 10 based on the information input in the search condition input field 62a.
The clear button 62c is a button for deleting the information input in the search condition input field 62a.

The demand bid group registration area 63 is composed of a supply point display column 63a, a demand bid group display column 63b, an add button 63c, and a delete button 63d.
The supply point display column 63a is a column in which the name of the supply point, which is one of the supply point information transmitted from the electric power transaction system 10, is displayed one supply point per line, and each line can be freely selected. There is.
The demand bid group display column 63b is a column in which the names of the supply points constituting the candidates of the demand bid group are displayed one by one in one line, and each line can be freely selected.
The add button 63c is a button for adding the supply point selected in the supply point display field 63a to the supply bid group display field 33b.
The delete button 63d is a button for deleting the supply point selected in the supply bid group display field 63b from the supply bid group display field 63b.

The demand amount simulation display area 64 is composed of a demand amount simulation button 64a and a demand amount simulation column 64b.
The demand amount simulation button 64a is a button for transmitting a command to the electric power trading system 10 to add up the electric power demand forecast amount of the supply point displayed in the demand bid group display column 63b.
The demand amount simulation column 64b is a column in which the electric power demand forecast amount of the entire supply point (demand bid group candidate) displayed in the demand bid group display column 63b transmitted from the electric power trading system 10 is displayed, and is specific. Displays the transition of the power demand forecast amount for a predetermined time (for example, every 30 minutes) for a predetermined period (for example, one year).

The power purchase desired unit price input area 65 includes a power purchase desired unit price input field 65a and a power purchase bid plan display button 65b.
The power purchase desired unit price input field 65a is a field for inputting the power purchase desired unit price to be registered in the power purchase bid plan.
The power purchase bid plan display button 65b causes the power purchase bid plan creation means 124 of the power trading system 10 to create a power purchase bid plan for the demand bid group candidate, and causes the power purchaser terminal BT to send the power purchase bid plan. Is a button for transmitting to the power trading system 10.

In the power purchase bid plan display area 66, the power purchase bid plan of the demand bid group candidate received from the power transaction system 10 is displayed.
Specifically, as a power purchase bid plan, the total electric energy as a demand bid group candidate [MWh], the average electric energy used as a demand bid group candidate [kWh / day], and the annual maximum electric energy as a demand bid group candidate [kW]. ], Desired unit price for power purchase as a candidate for a demand bid group [yen / kWh], Total price (total electric energy as a candidate for a demand bid group x desired unit price for power purchase as a candidate for a demand bid group) [yen], Candidate for a demand bid group Demand bid group Contains information that identifies the estimated amount of electricity demand.
The "demand bid group candidate power demand forecast amount" referred to here is a value obtained by adding up the power consumption forecast amount for each unit time of each supply point constituting the demand bid group, and is a demand bid group. It is a transition of the power consumption forecast amount for each unit time (for example, 30 minutes) as a candidate.

The power purchase bid plan registration button 67 registers the demand bid group candidate displayed in the demand bid group display field 63b as a demand bid group in the bid database 23a, and the contents input in the demand bid group information input area 61 and the purchase. The power purchase bid plan displayed in the power bid plan display area 66 is also a button for transmitting an instruction to be registered in the bid database 23a associated with the information of the power generation points constituting the demand bid group to the power trading system 10.
The return button 68 is a button for transitioning from the demand bidding group setting screen 60 to another screen (for example, an initial screen).

Returning to FIG. 13, the registration of the demand bidding group by the power purchaser will be further described.
The power purchaser inputs the information of the demand bid group to be registered in the demand bid group information input area 61 by the power purchaser terminal BT.

Next, the power purchaser inputs information for searching a supply point that is a candidate for the demand bidding group registered in the power transaction system 10 by the power purchaser terminal BT in the search condition input field 62a.
Then, when the search button 62b is pressed by operating the power purchaser terminal BT, the power purchaser terminal BT transmits the search condition of the supply point input in the supply point search condition input area 62 to the electric power trading system 10. (Step S204).

The electric power transaction system 10 that has received the search condition of the supply point searches for a supply point that matches the received search condition (step S205).
Then, the electric power transaction system 10 transmits the search result (information on the supply point corresponding to the received search condition) to the power purchaser terminal BT (step S206).

The power purchaser terminal BT that has received the search result from the electric power transaction system 10 displays the supply point that matches the received search condition in the supply point display field 63a of the demand bidding group registration area 63 (step S207).

Next, the power purchaser selects a supply point for which a demand bid group is to be formed from the supply points displayed in the supply point display field 63a of the demand bid group registration area 63 by the power purchaser terminal BT, and presses the add button 63c. ..
As a result, the candidates for the demand bidding group are displayed in the demand bidding group display field 63b (step S208).

Next, it is determined whether or not the power purchaser terminal BT has accepted the command for simulating the demand amount (step S209).
When the average demand amount display button 64a is pressed by operating the power purchaser terminal BT, it is assumed that the power purchaser terminal BT has received the command to simulate the demand amount, and the instruction to simulate the demand amount and the demand bidding group. Information on the supply point that is a candidate for is transmitted to the electric power trading system 10, and the process proceeds to step S210.
When the demand amount simulation button 64a is not pressed, the power purchaser inputs the power purchase desired unit price in the power purchase desired unit price input field 65a of the power purchase desired unit price input area 65 by the power purchaser terminal BT, and steps. Proceed to S213.

In step S210, the electric power trading system 10 that has received the instruction to simulate the demand amount is the demand amount of the candidate of the demand bidding group based on the electric power demand forecast amount of each supply point calculated by the electric power demand forecast amount calculation means 320. Create a simulation of.
Then, the electric power transaction system 10 transmits the simulated result to the power purchaser terminal BT (step S211).
The power purchaser terminal BT that has received the simulated result of the average power generation amount of the demand bidding group displays the simulated result in the demand amount simulation column 64b (step S212).
Then, the power purchaser inputs the power purchase desired unit price in the power purchase desired unit price input field 65a of the power purchase desired unit price input area 65 by the power purchaser terminal BT.

When the power purchase bid plan display button 65b is pressed by operating the power purchaser terminal BT, the power purchaser terminal BT displays the information input in the demand bid group information input area 61 and the demand bid group display field 63b. Information on the displayed supply points that are candidates for the demand bidding group and information on creating a power purchase bid plan such as the power purchase desired unit price input in the power purchase desired unit price input field 65a are transmitted to the power trading system 10 ( Step S213).

Next, the power purchase bid plan creation means 124 of the power trading system 10 creates a power purchase bid plan for a candidate of the demand bidding group from the power purchase bid plan creation information received from the power purchaser terminal BT (step S214). The power purchase bid plan is transmitted to the power purchaser terminal BT (step S215).

The power purchaser terminal BT that has received the power purchase bid plan from the power transaction system 10 displays the power purchase bid plan in the power purchase bid plan display area 66 (step S216).
When the power purchase bid plan registration button 67 is pressed by operating the power purchaser terminal BT, the power purchaser terminal BT transmits an instruction to register the power purchase bid plan in the bid database 23a to the power trading system 10 ( Step S217).
The demand bid group registration means 121 of the electric power trading system 10 that has received the registration instruction of the power purchase bid plan uses the power purchase bid plan transmitted to the power purchaser terminal BT as the power purchase bid plan of the demand bid group in the bid database 23a. Register (step S218).

<3.3.2. Search for demand bidding groups and bids for power purchases>
Next, the search for the demand bidding group by the power seller in step S220 and the power purchase bid in step S240 will be described with reference to FIGS. 15 and 16.
FIG. 15 is a flowchart showing a search procedure of a demand bidding group by the electric power trading system according to an embodiment of the present invention, and FIG. 16 is a demand bidding group search screen displayed on a power purchaser terminal when searching for a demand bidding group. It is a figure which shows an example.

When the power seller searches for the demand bid group, the power seller accesses the power transaction system 10 by the power seller terminal ST and calls the demand bid group search screen data (step S221).
The electric power transaction system 10 that has received the call of the demand bid group search screen data transmits the search screen data to the demand bid group power seller terminal ST (step S222).
As a result, the power seller terminal ST displays the demand bidding group search screen 70 as shown in FIG. 16 (step S223).

Here, the demand bidding group search screen 70 will be described.
The demand bid group search screen 70 is composed of a demand bid group search condition input area 71, a demand bid group display area 72, a demand forecast amount display area 73, a power purchase bid plan display area 74, and a bid button 75. ing.

The demand bid group search condition input area 71 is composed of a bid area selection tab 71a, a total price input field 71b, an annual maximum output input field 71c, a total electric energy input field 71d, a search button 71e, and a clear button 71f. It is configured.
In the demand bidding group search condition input area 71, it is essential to specify the bidding area (selection of the bidding area selection tab 71a).

The bid area selection tab 71a is a drop-down list that displays bid area candidates (supply areas in Japan), and one bid area can be freely selected from the bid areas displayed on the bid area selection tab 71a. ing.
The total price input field 71b is a field for inputting a range of total prices set by the demand bidding group.
The annual maximum output input field 71c is a field for inputting the range of the annual maximum demand amount of the demand bidding group.
The total electric energy input field 71d is a field for inputting the range of the total demand amount of the demand bidding group.
The search button 71e is a button for transmitting an instruction to search the demand bidding group to the electric power trading system 10 based on the information input or selected in the total electric energy input field 71d from the bidding area selection tab 71a.
The clear button 71f is a button for deleting information input or selected in the total electric energy input field 71d from the bid market selection tab 71a.

In the demand bidding group display area 72, the information of the demand bidding group transmitted from the electric power trading system 10 is displayed one group per line.
In the demand bid group display area 72, the bid status and the power purchase bid plan of each demand bid group are displayed.
Further, each row of the demand bid group display area 72 is freely selectable.

The demand forecast amount display area 73 is a column in which the power demand forecast amount of the entire supply point is displayed as the demand bid group selected in the demand bid group display area 72, and specifically, a predetermined condition corresponding to a predetermined condition is satisfied. The transition of the power demand forecast amount for a predetermined time (for example, every 30 minutes) of the period (for example, one day) is displayed.

In the power purchase bid plan display area 74, the power purchase bid plan of the demand bid group selected in the demand bid group display area 72 is displayed.

The bidding button 75 transmits an instruction to bid for the demand bidding group selected in the demand bidding group display area 72 to the electric power trading system 10.

Returning to FIG. 15, the search for the demand bidding group by the power seller will be further described.
The power seller inputs a search condition for searching the demand bid group for which power is to be procured in the demand bid group search condition input area 71 by the power seller terminal ST.

Next, when the search button 71f is pressed by operating the power seller terminal ST, the power seller terminal ST sets the search condition of the demand bid group input in the demand bid group search condition input area 71 to the power trading system 10. (Step S224).

The demand bid group search means 122 of the electric power transaction system 10 that has received the search condition of the demand bid group searches for a demand bid group that matches the received search condition (step S225).
Then, the demand bid information transmission means 123 of the electric power trading system 10 transmits the search result (information such as the power purchase bid plan of the demand bid group that matches the search condition) to the power seller terminal ST (step S226).

The power seller terminal ST that has received the search result from the electric power transaction system 10 displays the information of the demand bidding group in the demand bidding group display area 72 (step S227).

Next, the power seller selects a demand bid group to be bid from the demand bid groups displayed in the demand bid group display area 72 by the power seller terminal ST (step S228).
When the power seller selects the demand bidding group to be bid by the power seller terminal ST, the power seller terminal ST sends the demand forecast amount of the selected demand bidding group and the call command of the power purchase bid plan to the power trading system 10. (Step S229).

Upon receiving the instruction to call the demand forecast amount and the power purchase bid plan of the demand bid group selected by the power seller, the power trading system 10 sets the demand forecast amount and the power purchase bid plan of the demand bid group to the power seller terminal ST. (Step S230).

The power seller terminal ST that has received the demand forecast amount and the power purchase bid plan of the demand bid group displays the demand forecast amount of the demand bid group in the demand forecast amount display area 73, and displays the power purchase bid plan in the power purchase bid plan display. It is displayed in the area 74 (step S231).

When the bid button 75 is pressed by operating the power seller terminal ST, the power trading system 10 indicates that the bid is bid for the power purchase bid plan of the demand bid group selected in the demand bid group display area 72 (bid instruction). Is transmitted to (step S241).
Then, the electric power trading system 10 that has received the bidding instruction registers in the bidding database 23a that the bidding has been entered in the demand bidding group selected in the demand bidding group display area 72 (that the bidding has been made) (step). S242).

<3.3.3. Contract processing>
Next, the contract processing in step S260 will be described with reference to FIGS. 17 and 18.
FIG. 10 is a flowchart showing a contract procedure by the electric power trading system according to the embodiment of the present invention, and FIG. 18 shows an example of a power purchase bid display screen displayed on the power purchaser terminal when searching for a demand bidding group. It is a figure.

When the power purchaser confirms the bid for the power purchase bid plan (power purchase bid), the power purchaser accesses the power transaction system 10 by the power purchaser terminal BT and calls the power purchase bid confirmation screen data (step S261). ).
Upon receiving the call for the power purchase bid confirmation screen data, the power transaction system 10 transmits the power purchase bid confirmation screen data to the power purchaser terminal BT (step S262).
As a result, the power purchaser terminal BT displays the power purchase bid confirmation screen 80 as shown in FIG. 18 (step S263).

Here, the power purchase bid confirmation screen 80 will be described.
The power purchase bid confirmation screen 80 is composed of a power purchase bid search condition input area 81, a power purchase bid display area 82, and a contract button 83.

The power purchase bid search condition input area 81 is composed of a demand bid group name input field 81a, a bidder name input field 81b, a power purchase bid search button 81c, and a clear button 81d.

The demand bid group name input field 81a is a field for inputting a keyword when searching for a registered demand bid group.
The bidder name input field 81b is a field for inputting a keyword when searching for a bidder (power seller).
The power purchase bid search button 81c is a button for transmitting an instruction to search for a power purchase bid to the electric power trading system 10 based on the information input in the demand bid group name input field 81a and the bidder name input field 81b.
The clear button 81d is a button for deleting the information selected in the demand bid group name input field 81a and the bidder name input field 81b.

In the power purchase bid display area 82, the power purchase bid information transmitted from the power purchase bid information transmitting means 125 of the electric power trading system 10 is displayed one by one per line.
In each line of the power purchase bid display area 82, a demand bid group name, bidders, power purchase bid plans, and the like are displayed.
Further, each line of the power purchase bid display area 82 can be freely selected.

The contract button 83 transmits information on the power purchase bid selected in the power purchase bid display area 82 to the power trading system 10.

Returning to FIG. 17, the contract processing will be further described.
The power purchaser inputs a search condition for searching for a power purchase bid that is convenient for the power purchaser in the power generation bid search condition input area 81 by the power purchaser terminal BT.
Then, when the power purchase bid search button 81c is pressed by operating the power purchaser terminal BT, the power purchaser terminal BT sets the search condition of the power sale bid input in the power generation bid search condition input area 81 to the power trading system 10. (Step S264).

The electric power transaction system 10 that has received the search condition for the power purchase bid searches for a power purchase bid for the power purchase bid plan that matches the received search condition (step S265).
Then, the power purchase bid information transmission means 125 of the electric power transaction system 10 transmits the search result (information on the power purchase bid for the power purchase bid plan that matches the search condition) to the power purchaser terminal BT (step S266).

The power purchaser terminal BT that has received the search result from the power transaction system 10 displays the power purchase bid that matches the search condition in the power purchase bid display field 82 (step S267).

The power purchaser confirms the power purchase bid displayed in the power purchase bid display field 82 of the power purchase bid confirmation screen 80 by the power purchaser terminal BT, selects the most favorable power purchase bid, and selects the contract button 83. Press.
When the contract button 83 is pressed by operating the power purchaser terminal BT, one power purchase bid selected in the power purchase bid display field 82 is transmitted to the power transaction system 10 as a contract target (step S268).

Then, the power selling contract registration means 216 of the electric power trading system 10 that has received the information of the power purchase bid to be contracted registers one power purchase bid in the bid database 23a (step S269).
This completes the long-term bilateral transaction between the power buyer and the power seller.

<3.2.4. Summary>
The electric power trading system 10 of the present embodiment configured in this way bids a demand bidding group composed of one or more supply points under the jurisdiction of the power purchaser based on the instruction from the power purchaser terminal ST. That is, the demand bid group registration means 121 for registering at least the information of the demand bid group composed of two or more supply points under the jurisdiction of the power purchaser in the bid database 23a, and the demand bid group registration means 121 registered in the bid database 23a. The demand bid group search means 122 that searches the demand bid group based on the search conditions transmitted from the power seller terminal ST of the power seller, and the power seller of the power seller the search results by the demand bid group search means 122. By providing the demand bid information transmission means 123 for transmitting to the terminal ST, the power seller can freely select the demand bid group that has jurisdiction over a specific supply point, and the power is supplied from the demand bid group selected by the power seller. Since the power can be purchased, the power seller can realize a high degree of freedom in power procurement, such as procuring a demand bidding group that offers the highest bid price.

Further, the power purchase bid plan creation means 124 for creating the power purchase bid plan of the demand bid group in the power purchase period input from the power purchaser terminal BT of the power purchaser is further provided, and the demand bid information transmission means 123 is in demand. By transmitting the power purchase bid plan to the power seller terminal ST of the power seller as a search result by the bid group search means 122, the power seller carefully examines the demand bid group based on the power purchase bid plan and then makes a demand bid. Since the group can be selected, the matching accuracy between the power buyer and the power seller can be improved.

Further, the actual power consumption acquisition means 310 for acquiring the actual power consumption of the supply point up to the predetermined time, and the power demand forecast amount for each unit time of the supply point after the predetermined time based on the actual power consumption of the supply point. The power purchase bid plan created by the power purchase bid plan creation means 124 further includes the power demand forecast amount calculation means 320 for calculating the power consumption forecast amount for each unit time of each supply point belonging to the demand bid group. The demand bid group power demand forecast amount, which is the sum of the power consumption forecast amount for each unit time of each supply point belonging to the demand bid group, is transmitted by the demand bid information transmission means by including the power demand forecast amount of the demand bid group. Therefore, the power seller can confirm the magnitude of the time change of the power consumption of the power purchaser and realize the power sale.

Further, the power purchase bid information transmitting means 125 that displays the power purchase bid information of the power seller for the power purchase bid plan on the power purchaser terminal BT of the power purchaser, and one purchase selected based on the operation of the power purchaser. By further providing the power selling contract registration means 126 for registering the power bill in the bid database, the power purchaser can select the power seller to purchase the power after confirming the bid conditions. It is possible to further improve the matching accuracy between the electric power person and the electric power seller.

<4. Modification example>
Although the examples of the present invention have been described above, the present invention is not limited to the above.

For example, one power purchaser may purchase power from a plurality of power sellers using the power trading system of this embodiment.
Similarly, one electric power seller may sell electric power to a plurality of electric power buyers by using the electric power trading system of this embodiment.

For example, in this embodiment, the other electric power trading system is a JEPX electric power trading system, but the other electric power trading system is an electric power trading system other than JEPX if it is an electric power trading system for physical and forward trading of electric power. It may be a system.

For example, the electric power trading system 10 may be composed of a plurality of processing devices 20.
Specifically, the storage unit and the processing unit may be configured as separate processing devices.

For example, in the present embodiment, the processing performed by the electric power trading system 10 may be performed by the power seller terminal ST or the power purchaser terminal BT.

For example, in this embodiment, the "environmental data" may be meteorological data, forecast data, or calendar data stored in the meteorological database DB, but the situation around the power generation point for which the predicted power generation amount is to be calculated. The data is not limited to this as long as it is data related to the situation around the supply point for which the forecast amount of power demand is to be calculated.

For example, in this embodiment, various information is stored in the storage unit 23 of the processing device 20, but these information are not limited to storage in the storage unit 23, and are stored in, for example, a blockchain database. You may.

10 ・ ・ ・ Electricity transaction system 100 ・ ・ ・ Long-term bilateral transaction subsystem 110 ・ ・ ・ Power purchase transaction component 111 ・ ・ ・ Power generation bid group registration means 112 ・ ・ ・ Power generation bid group search means 113 ・ ・ ・ Power generation bid information transmission Means 114 ・ ・ ・ Power sale bid plan creation means 115 ・ ・ ・ Power sale bid information transmission means 116 ・ ・ ・ Power purchase contract registration means 120 ・ ・ ・ Power sale transaction component 121 ・ ・ ・ Demand bid group registration means 122 ・ ・・ Demand bid group search means 123 ・ ・ ・ Demand bid information transmission means 124 ・ ・ ・ Power purchase bid plan creation means 125 ・ ・ ・ Power purchase bid information transmission means 126 ・ ・ ・ Power purchase contract registration means 200 ・ ・ ・ Short-term supply and demand Adjustment subsystem 300 ・ ・ ・ Common subsystem 310 ・ ・ ・ Actual power consumption acquisition means 320 ・ ・ ・ Power demand forecast amount calculation means 330 ・ ・ ・ Power generation amount acquisition means 340 ・ ・ ・ Power generation forecast amount calculation means

20 ・ ・ ・ Processing device 21 ・ ・ ・ Communication unit 22 ・ ・ ・ Input unit 23 ・ ・ ・ Storage unit 23a ・ ・ ・ Bid database 24 ・ ・ ・ Processing unit

DB ・ ・ ・ Meteorological database NW ・ ・ ・ Network FSM ・ ・ ・ Forward power flow measurement meter RSM ・ ・ ・ Reverse power flow measurement meter ES ・ ・ ・ Other power trading system BT ・ ・ ・ Power purchaser terminal ST ・ ・ ・ Power sale Person terminal

The present invention relates to an electric power trading system, an electric power trading method, and an electric power trading program that support electric power trading between a power purchaser who wants to purchase electric power and a power seller who wants to sell electric power.

From April 1, 2016, the entry into the electricity retail business was completely liberalized, and electric power, which was previously only able to contract with the electric power company (former general electric power company) decided in the region, has newly entered. It is now possible to freely select and contract an electric power company, including new electric power.

Therefore, there is known an electric power trading system in which an electric power purchaser can purchase electric power from an optimal electric power seller in order to reduce the electric power procurement cost (for example, Non-Patent Document 1).

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The above-mentioned electric power trading system is a system used by electric power buyers, and cannot be used by electric power sellers who want to sell electricity at the highest possible price.
In addition, the power purchaser could freely select the power generation bidding group that has jurisdiction over a specific power generation point, and could not procure power from the power generation bidding group selected by the power purchaser himself.
Therefore, in the conventional electric power trading system, it is not possible to realize electric power trading with a high degree of freedom for electric power traders such as electric power buyers and electric power sellers, and there is room for further improvement.

Therefore, the present invention solves the problems of the prior art as described above, that is, the object of the present invention is an electric power trading system and an electric power trading method that realizes electric power trading with a high degree of freedom for electric power traders. And to provide an electricity trading program.

The invention according to claim 1 includes a processing device and a bidding database, and is connected to a power purchaser terminal of a power purchaser who wants to purchase power and a power seller terminal of a power seller who wants to sell power. Information of a power generation bidding group in which a power generation terminal is a power generation trading system that supports a power generation transaction between a power purchaser and a power seller, and the power generation terminal is composed of power generation points under the jurisdiction of the power seller. Is transmitted to the processing device, the power purchaser terminal transmits a search condition for the power generation bidding group to the processing device, and the processing device transmits the power generation point under the jurisdiction of the power seller. A power generation bid group registration means for registering information of a power generation bid group composed of two or more power generation points selected on the power seller terminal in at least the bid database based on an instruction from the power seller terminal, and the above. A power generation bid group search means for searching the information of the power generation bid group registered in the bid database based on the search conditions transmitted from the power purchaser terminal of the power purchaser, and a search by the power generation bid group search means. The above-mentioned problem is solved by providing the power generation bid information transmission means for transmitting the result to the power purchaser terminal of the power purchaser.

In the invention according to claim 2, in addition to the configuration of the electric power trading system according to claim 1, the power generation bidding group in the electric power sale period in which the processing apparatus is input from the electric power seller terminal of the electric power seller. The power generation bid information transmission means of the processing device further comprises a power sale bid plan creation means for creating the power sale bid plan of the power generation bid group, and the power generation bid information transmission means of the power generation bid group is used as a search result by the power generation bid group search means. By transmitting to the power purchaser terminal, the above-mentioned problems are further solved.

The invention according to claim 3 has the above-mentioned problem because, in addition to the configuration of the electric power trading system according to claim 2, the electric power sale bidding plan includes information for specifying the electric power source of the power generation bidding group. Is a further solution.

In the invention according to claim 4, in addition to the configuration of the electric power trading system according to claim 2 or 3, the processing apparatus provides information on the electricity selling bid of the electricity purchaser with respect to the electricity selling bidding plan. A means for transmitting power-selling bid information to be transmitted to the power-selling terminal of the power-selling person, and a means for registering a power-buying contract for contract registration of one of the power-selling bids selected based on the operation of the power-selling person in the bidding database. By further providing the above-mentioned problems, the above-mentioned problems can be further solved.

The invention according to claim 5 includes a processing device and a bidding database, and is connected to a power purchaser terminal of a power purchaser who wants to purchase power and a power seller terminal of a power seller who wants to sell power. Information on a demand bidding group in which a power trading system that supports a power transaction between a power purchaser and a power seller, wherein the power purchaser terminal is composed of supply points under the jurisdiction of the power purchaser. Is transmitted to the processing device, the power seller terminal transmits a search condition for the demand bidding group to the processing device, and the processing device transmits the search condition from the supply point under the jurisdiction of the power purchaser. A demand bidding group registration means for registering information of a demand bidding group composed of two or more supply points selected on the power purchaser terminal in at least the bidding database based on an instruction from the power purchaser terminal, and the above. A demand bid group search means for searching information of the demand bid group registered in the bid database based on the search conditions transmitted from the power seller terminal of the power seller, and a search by the demand bid group search means. The above-mentioned problem is solved by providing the demand bid information transmitting means for transmitting the result to the power seller terminal of the power seller.

In the invention according to claim 6, in addition to the configuration of the electric power trading system according to claim 5, the demand bidding group in the electric power purchase period in which the processing device is input from the electric power purchaser terminal of the electric power purchaser. The power purchase bid plan creation means for creating the power purchase bid plan is further provided, and the demand bid information transmission means of the processing device uses the power purchase bid plan as a search result by the demand bid group search means of the power seller. By transmitting to the power seller terminal, the above-mentioned problems are further solved.

In the invention according to claim 7, in addition to the configuration of the electric power trading system according to claim 5, the electric power actual consumption acquisition means for the processing apparatus to acquire the actual electric power consumption at the supply point up to a predetermined time. Further, the power purchase bid plan is further provided with a power demand forecast amount calculation means for calculating the power demand forecast amount for each unit time of the supply point after a predetermined time based on the power actual consumption amount of the supply point. , The above-mentioned problem is further solved by including the demand bid group power demand forecast amount which is the sum of the power consumption forecast amount for each unit time of each supply point constituting the demand bid group.

In the invention according to claim 8, in addition to the configuration of the electric power trading system according to claim 6 or 7, the processing apparatus provides information on the power purchase bid of the power seller for the power purchase bid plan. A means for transmitting power purchase bid information displayed on the power purchaser terminal of the power purchaser, and a power selling contract registration means for contracting and registering one of the power purchase bids selected based on the operation of the power purchaser in the bid database. By further providing the above-mentioned problems, the above-mentioned problems can be further solved.

The invention according to claim 9 includes a processing device having a power generation bid group registration means, a power generation bid group search means, and a power generation bid information transmission means, and a bid database, and is a power purchaser of a power purchaser who wishes to purchase power. A power trading method for supporting a power transaction between the power purchaser and the power seller by a power trading system to which the terminal and the power seller terminal of the power seller who wishes to sell the power are connected. From the power seller terminal, the power generation bid group registration means of the processing device is composed of two or more power generation points selected from the power generation points on the power seller terminal under the jurisdiction of the power seller. From the power purchaser terminal of the power purchaser, at least the step of registering the power generation bid group in the bid database based on the instruction of the power generation bidder and the information of the power generation bid group registered in the power generation bid group by the power generation bid group search means of the processing device. The step of searching based on the transmitted search condition for the power generation bid group and the power generation bid information transmission means of the processing device transmit the search result by the power generation bid group search means to the power purchaser terminal of the power purchaser. By providing steps, the above-mentioned problems are solved.

The invention according to claim 10 includes a processing device having a demand bid group registration means, a demand bid group search means, and a demand bid information transmission means, and a bid database, and is a power purchaser of a power purchaser who wishes to purchase power. A power trading method for supporting a power transaction between the power purchaser and the power seller by a power trading system to which the terminal and the power seller terminal of the power seller who wishes to sell the power are connected. The information of the demand bidding group composed of two or more supply points selected on the power purchaser terminal from the supply point under the jurisdiction of the power purchaser by the demand bid group registration means of the processing device is transmitted from the power purchaser terminal. At least the step of registering in the bid database based on the instruction of the above, and the information of the demand bid group registered in the bid database by the demand bid group search means of the processing device from the power seller terminal of the power seller. The step of searching based on the transmitted search condition for the demand bid group and the demand bid information transmission means of the processing device transmit the search result by the demand bid group search means to the power seller terminal of the power seller. By providing the steps, the above-mentioned problems are solved.

The invention according to claim 11 is an electric power trading program that supports an electric power transaction between a power purchaser who wants to purchase electric power and a power seller who wants to sell electric power, and is claimed 9 or 10. The above-mentioned problem is solved by causing the processing apparatus to execute each step of the electric power trading method described in the above.

Here, the "power purchaser" in the present invention is a person who has jurisdiction over one or more electricity supply points specified by the supply point identification number, and is assigned a supply point identification number (electricity). (Consumers, etc. who are the main contractors of various contracts) and those who are not assigned a supply point specific number (a retail electricity company that supplies electricity to consumers, an agent (agency for the conclusion of retail supply contracts) Person), etc.).
Further, the "power seller" in the present invention is a person who has jurisdiction over one or more power generation points of electricity specified by the power receiving point identification number, and possesses a power generation facility in which the power receiving point identification number is set. (Power generation companies under the Electricity Business Law such as electric power companies and gas companies, power generation equipment owners who own power generation equipment and wish to sell the power generated by the power generation equipment), and the power receiving point identification number Those who do not own the set power generation equipment but have concluded a contract (power generation adjustment supply contract) with the power transmission and distribution company that is responsible for power generation adjustment (power generation adjustment supply contract) (retail electric power company, it is effective to bundle the power demand of consumers It means an aggregator, etc. that provides energy management services to.
Further, the "jurisdiction" in the present invention includes not only the meaning of "ownership" but also the meaning of "management by contract".

According to the power trading system of the invention according to claim 1, information of a power generation bidding group in which the processing device is composed of two or more power generation points selected on the power seller terminal from the power generation points under the jurisdiction of the power seller. The power generation bid group registration means for registering at least the power generation bid group in the bid database based on the instruction from the power seller terminal, and the information of the power generation bid group registered in this bid database are transmitted from the power purchaser terminal of the power purchaser. By providing a power generation bid group search means for searching based on search conditions and a power generation bid information transmission means for transmitting the search result by this power generation bid group search means to the power purchaser terminal of the power purchaser, the power purchase Since the person can freely select the power generation bidding group that has jurisdiction over a specific power generation point and can procure power from the power generation bidding group selected by the power purchaser himself, the power purchaser can select the power generation bidding group that offers the cheapest selling price. It is possible to realize power generation with a high degree of freedom for the purchaser, such as procuring power.

According to the power trading system of the invention according to claim 2, in addition to the effect of the power trading system of the invention according to claim 1, the processing apparatus has a power sale period input from the power seller terminal of the power seller. Further equipped with a means for creating a power-selling bid plan for creating a power-selling bid plan for a power generation bid group in By sending to the power purchaser terminal, the power purchaser can select the power generation bid group after carefully examining the power generation bid group based on the power sale bid plan, so that the matching accuracy between the power purchaser and the power seller can be selected. Can be improved.

According to the electric power trading system of the invention according to claim 3, in addition to the effect of the electric power trading system of the invention according to claim 2, the electric power sale bidding plan includes information specifying the electric power source of the power generation bidding group. This allows the power purchaser to select a power generation bidding group that has jurisdiction over a specific power source, so that the power purchaser can easily realize power procurement such that the energy required for business operation is 100% renewable energy. be able to.

According to the electric power trading system of the invention according to claim 4, in addition to the effect of the electric power trading system of the invention according to claim 2 or 3, the processing apparatus sells the electric power of the power purchaser to the electric power selling bidding plan. A power-selling bid information transmitting means for transmitting bid information to the power-selling terminal of the power-selling person, and a power-buying contract registration means for contract-registering one power-selling bid selected based on the operation of the power-selling person in the bid database. By further providing, the power purchaser can select the power seller who purchases the power after confirming the bid conditions, so that the matching accuracy between the power purchaser and the power seller can be further improved. Can be done.

According to the power trading system of the invention according to claim 5, the information of the demand bidding group in which the processing device is composed of two or more supply points selected on the power purchaser terminal from the supply points under the jurisdiction of the power purchaser. Is transmitted from the power seller terminal of the power seller, at least the demand bid group registration means for registering the power in the bid database based on the instruction from the power purchaser terminal, and the information of the demand bid group registered in this bid database. By providing a demand bid group search means for searching based on search conditions and a demand bid information transmission means for transmitting the search results by the demand bid group search means to the power seller terminal of the power seller, the power is sold. Since the person can freely select the demand bidding group that has jurisdiction over a specific supply point and can purchase electricity from the demand bidding group selected by the power seller himself, the power seller selects the demand bidding group that offers the highest bid price. It is possible to realize power procurement with a high degree of freedom for the seller, such as procuring power.

According to the power trading system of the invention according to claim 6, in addition to the effect of the power trading system of the invention according to claim 5, the processing apparatus has a power purchase period input from the power purchaser terminal of the power purchaser. Further equipped with a means for creating a power purchase bid plan for creating a power purchase bid plan for a demand bid group in the above, the demand bid information transmission means of the processing device sells the power purchase bid plan as a search result by the demand bid group search means. By sending to the power seller terminal, the power seller can select the demand bid group after carefully examining the demand bid group based on the power purchase bid plan, so that the matching accuracy between the power purchaser and the power seller can be selected. Can be improved.

According to the electric power trading system of the invention of claim 7, in addition to the effect of the electric power trading system of the invention of claim 6, the electric power of the processing apparatus to acquire the actual electric power consumption of the supply point by a predetermined time. A power purchase bid plan is further equipped with a means for acquiring actual power consumption and a means for calculating power demand forecast amount for each unit time of the power supply point after a predetermined time based on the actual power consumption at the supply point. However, by including the demand bid group power demand forecast amount, which is the sum of the unit time power consumption forecast amounts of each supply point constituting the demand bid group, the power consumption of each supply point belonging to the demand bid group per unit time. Since the demand bid group power demand forecast amount, which is the sum of the forecast amounts, is transmitted by the demand bid information transmission means, the power seller can confirm the magnitude of the time change of the power consumption of the power purchaser and realize the power sale. can.

According to the electric power trading system of the invention according to claim 8, in addition to the effect of the electric power trading system of the invention according to claim 6 or 7, the processing apparatus purchases electric power of the seller for the electric power purchase bidding plan. A power-buying bid information transmission means for displaying bid information on the power-buyer terminal of the power-buying person, and a power-selling contract registration means for contract-registering one power-buying bid selected based on the operation of the power-buying person in the bid database. By further providing, the power purchaser can select the power seller who purchases the power after confirming the bid conditions, so that the matching accuracy between the power purchaser and the power seller can be further improved. can.

According to the power generation method of the invention according to claim 9, the power generation bidding group registration means of the processing device is composed of two or more power generation points selected from the power generation points on the power seller terminal under the jurisdiction of the power seller. At least the step of registering the power generation bid group information in the bid database based on the instruction from the power seller terminal, and the power generation bid group information of the power generation bid group search means of the processing device registered in the bid database is the power purchaser. The step of searching based on the search conditions related to the power generation bid group transmitted from the power purchaser terminal of the power generation bidder, and the power generation bid information transmission means of the processing device transfers the search result by the power generation bid group search means to the power generation buyer terminal of the power purchaser. By providing a step of transmitting, the power purchaser can freely select the power generation bid group that has jurisdiction over a specific power generation point, and the power purchaser can procure power from the power generation bid group selected by himself / herself. The electric power generation can realize a high degree of freedom for the electric power purchaser, such as procuring the electric power from the power generation bidding group that offers the cheapest selling price.

According to the power trading method of the invention according to claim 10, the demand bidding group registration means of the processing device is composed of two or more supply points selected on the power purchaser terminal from the supply points under the jurisdiction of the power purchaser. At least the step of registering the information of the demand bid group in the bid database based on the instruction from the power purchaser terminal, and the demand bid group information registered in the bid database by the demand bid group search means of the processing device is the power seller. The step of searching based on the search conditions related to the demand bid group transmitted from the power seller terminal of the power seller, and the demand bid information transmission means of the processing device transfers the search result by the demand bid group search means to the power seller terminal of the power seller. By providing a step of transmitting, the power seller can freely select the demand bidding group that has jurisdiction over a specific supply point, and the power seller can purchase power from the demand bidding group selected by the power seller himself. The electrician can realize the electric power procurement with a high degree of freedom for the electric power seller, such as procuring the demand bidding group that offers the highest bid price.

According to the power trading program of the invention according to claim 11, the power purchaser has jurisdiction over a specific power generation point by causing the processing apparatus to execute each step of the power trading method according to claim 9 or 10. Since the power generation bidding group can be freely selected and the power can be procured from the power generation bidding group selected by the power purchaser himself, the power purchaser can procure the power from the power generation bidding group that offers the cheapest selling price. It is possible to realize electricity procurement with a high degree of freedom for the person.
Alternatively, the power seller offers the highest bid price because the power seller can freely select the demand bidding group that has jurisdiction over a specific supply point and can purchase power from the demand bidding group selected by the power seller himself. It is possible to realize power procurement with a high degree of freedom for the power seller, such as procuring a demand bidding group.

FIG. 3 is a network configuration diagram to which an electric power trading system according to an embodiment of the present invention is connected. The system configuration diagram of the electric power trading system shown in FIG. The device configuration diagram of the processing device. The flowchart which shows the prediction procedure of the electric power demand amount of a supply point by the electric power trading system which is an embodiment of this invention. The flowchart which shows the prediction procedure of the power generation amount of the power generation point by the power transaction system which is an Example of this invention. The flowchart which shows the electric power purchase procedure by the electric power purchaser using the electric power transaction system which is an embodiment of this invention. The flowchart which shows the registration procedure of the power generation bidding group by the electric power trading system which is an embodiment of this invention. The figure which shows an example of the power generation bidding group setting screen displayed on the power seller terminal when registering a power generation bidding group. The figure which shows an example of the power generation bid group setting screen displayed on the power seller terminal at the time of registration of a power generation bid group. The flowchart which shows the search procedure of the power generation bidding group by the electric power trading system which is an embodiment of this invention. The figure which shows an example of the power generation bid group search screen displayed on the power seller terminal when searching the power generation bid group. The flowchart which shows the contract procedure by the electric power trading system which is an Example of this invention. The figure which shows an example of the power sale bid display screen displayed on the power seller terminal when searching the power generation bid group. The flowchart which shows the electric power sales procedure by the electric power seller using the electric power transaction system which is an embodiment of this invention. The flowchart which shows the registration procedure of the demand bidding group by the electric power transaction system which is an Example of this invention. The figure which shows an example of the demand bid group setting screen displayed on the power purchaser terminal when registering a demand bid group. The figure which shows an example of the demand bid group setting screen displayed on the power purchaser terminal when registering a demand bid group. The flowchart which shows the search procedure of the demand bidding group by the electric power transaction system which is an embodiment of this invention. The figure which shows an example of the demand bid group search screen displayed on a power purchaser terminal when searching for a demand bid group. The flowchart which shows the contract procedure by the electric power trading system which is an Example of this invention. The figure which shows an example of the power purchase bid display screen displayed on the power purchaser terminal when searching the demand bid group.

In the power trading system of the present invention, the processing device transfers information of a power generation bidding group composed of two or more power generation points selected on the power seller terminal from the power generation points under the jurisdiction of the power seller from the power seller terminal. At least the power generation bid group registration method to be registered in the bid database based on the instruction of, and the information of the power generation bid group registered in this bid database are searched based on the search conditions sent from the power purchaser terminal of the power purchaser. By providing a power generation bid group search means for power generation and a power generation bid information transmission means for transmitting the search result by the power generation bid group search means to the power purchaser terminal of the power purchaser, the processing device also purchases power. A demand bidding group that registers at least the information of a demand bidding group consisting of two or more supply points selected on the power purchaser terminal from the supply points under the jurisdiction of the power generator in the bid database based on the instruction from the power purchaser terminal. The registration means, the demand bid group search means for searching the information of the demand bid group registered in this bid database based on the search conditions transmitted from the power seller terminal of the power seller, and the demand bid group search means. If it is possible to realize power generation with a high degree of freedom for the power generation trader by providing a demand bid information transmission means for transmitting the search result by the power generation seller to the power generation terminal of the power generation, the specific method is specified. The embodiment may be any.

Further, the power generation trading method of the present invention is a power generation bidding group in which the power generation bidding group registration means of the processing device is composed of two or more power generation points selected from the power generation points on the power seller terminal under the jurisdiction of the power seller. At least the step of registering the information in the bid database based on the instruction from the power seller terminal, and the power generation bid group search means registered in the bid database of the processing device is the power generation bid group information of the power purchaser. It includes a step of searching based on the search condition transmitted from the terminal, and a step of the power generation bid information transmission means of the processing device transmitting the search result by the power generation bid group search means to the power purchaser terminal of the power purchaser. As a result, the power purchaser also obtains information on the demand bidding group composed of two or more supply points selected on the power purchaser terminal from the supply points under the jurisdiction of the power purchaser by the demand bid group registration means of the processing device. At least the step of registering in the bid database based on the instruction from the terminal and the information of the demand bid group registered in the bid database by the demand bid group search means of the processing device are transmitted from the power seller terminal of the power seller. The step of searching based on the search condition regarding the power generation bid group and the step of transmitting the search result by the demand bid group search means to the power seller terminal of the power seller shall be provided by the demand bid information transmission means of the processing device. As long as it realizes power generation with a high degree of freedom for the power generation trader, the specific embodiment thereof may be any.

Further, in the power trading program of the present invention, the power generation bidding group registration means of the processing device is a power generation bidding group composed of two or more power generation points selected from the power generation points on the power seller terminal under the jurisdiction of the power seller. At least the step of registering the information in the bid database based on the instruction from the power seller terminal, and the power generation bid group search means registered in the bid database of the processing device is the information of the power generation bid group of the power purchaser. The processing device has a step of searching based on the search conditions transmitted from the terminal and a step of the processing device's power generation bid information transmission means transmitting the search result by the power generation bid group search means to the power purchaser's power purchaser terminal. By executing, the demand bidding group registration means of the processing device buys the information of the demand bidding group composed of two or more supply points selected on the power purchaser terminal from the supply points under the jurisdiction of the power purchaser. At least the step of registering in the bid database based on the instruction from the power seller terminal, and the demand bid group search means registered in the bid database of the processing device sends the information of the demand bid group registered in the bid database from the power seller terminal of the power seller. The processing device includes a step of searching based on the search conditions related to the demand bid group that has been made, and a step that the demand bid information transmitting means of the processing device transmits the search result by the demand bidding group search means to the power seller terminal of the power seller. Any specific embodiment may be used as long as it realizes power trading with a high degree of freedom for the power trader.

For example, the power purchaser terminal and the power seller terminal may be any mobile phone, smartphone, tablet, personal computer, or the like as long as they have a communication function.

Hereinafter, an electric power trading system, an electric power trading method, and an electric power trading program, which are examples of the present invention, will be described with reference to FIGS. 1 to 18.

<1. Overview of the network to which the power trading system is connected>
First, an outline of a network to which the electric power trading system 10 according to the embodiment of the present invention is connected will be described with reference to FIG.
FIG. 1 is a network configuration diagram to which an electric power trading system according to an embodiment of the present invention is connected.

As shown in FIG. 1, the electric power trading system 10 according to the embodiment of the present invention is connected to the network NW.
The network NW may be, for example, the Internet, an intranet that can be accessed only by a specific user, or a network in which these are combined.

The network NW includes the meteorological database DB referred to by the electric power trading system 10 and the electric power trading in the wholesale electric power trading market operated by other electric power trading system ES (specifically, JEPX (Japan Electric Power Exchange). System) etc. are connected.
In addition, a power transmission and distribution business operator that maintains a balance of power demand is also connected to this network NW.
A transmission and distribution business operator is a business operator that lays and maintains a transmission and distribution network and monitors the usage status of the transmission and distribution network (transmission and distribution destination, transmission and distribution amount, etc.).

Further, a power purchaser terminal BT owned by a power purchaser who wants to purchase electric power and a power seller terminal ST owned by a power seller who wants to sell electric power are also connected to this network NW.

The consumer has one or more electricity supply points specified by the supply point identification number, is the contracting entity of various electric power contracts, and has a power purchaser terminal BT.
At each of the supply points of the consumer, a forward flow meter FSM that digitally measures the electric power and is connected to the network NW is installed.
This forward power flow meter FSM grasps the amount of electric power used in each predetermined cycle and transmits it to a power transmission and distribution business operator via a network NW, and includes, for example, a forward power flow smart meter.
The cycle in which the forward tide meter FSM grasps the amount of electric power used is, for example, a demand control cycle (a 30-minute cycle is common in Japan), but the cycle is not particularly limited.
Further, each supply point may be equipped with a power management system including a HEMS integrated with or separately from the forward flow measuring meter FSM.

The power generation company has one or more power generation points of electricity specified by the power receiving point identification number, and has a power seller terminal ST.
This power generation company owns power generation facilities (generators installed in thermal power plants, wind power plants, nuclear power plants, solar power plants, etc.) and controls and monitors each power generation facility. Is a person.
At each of the power generation points of the power generation company, a reverse power flow meter RSM connected to the network NW is installed while digitally measuring the electric power.
This reverse power flow measuring meter RSM grasps the amount of power generation for each predetermined cycle and transmits it to the power transmission and distribution business operator via the network NW, and includes, for example, a reverse power flow smart meter and the like.
The cycle in which the reverse power flow meter RSM grasps the amount of power generation or the like is, for example, a demand control cycle, but the cycle is not particularly limited.

In addition, this network NW is engaged in the business of retail electric power companies that supply electricity to consumers, aggregators that bundle the electricity demand of consumers and effectively provide energy management services, and mediation of the conclusion of retail supply contracts. An agent is connected.
A retail electric power company possesses at least one of a power purchaser terminal BT and a power seller terminal ST because it can be a power purchaser who wants to purchase electric power or a power seller who wants to sell electric power. ing.
Since the aggregator corresponds to a power seller who wants to sell electric power, he / she has a power seller terminal ST.
The agent has a power purchaser terminal BT because it corresponds to a power purchaser who wants to purchase electric power.

<2. Overview of electricity trading system>
Next, an outline of the electric power trading system 10 will be described with reference to FIGS. 1 to 3.
FIG. 2 is a system configuration diagram of the electric power trading system shown in FIG. 1, and FIG. 3 is a device configuration diagram of a processing device.

As shown in FIGS. 1 and 2, the electric power trading system 10 is a long-term bilateral trading subsystem 100 that supports electric power trading between a power purchaser who wants to purchase electric power and a power seller who wants to sell electric power. The short-term supply-demand adjustment system 200 that adjusts the power supply-supply balance between supply points on the day before the power supply date and the day of the power supply date to minimize the imbalance amount in the planned value simultaneous equal amount system, and the long-term bilateral trading subsystem 100. And a common subsystem 300 that carries out processing common to the short-term supply and demand adjustment system 200.

<2.1. Long-term bilateral trading subsystem ＞
As shown in FIGS. 1 and 2, the long-term bilateral transaction subsystem 100 includes a power purchase transaction component 110 for conducting a power transaction mainly by a power purchaser and a power sale transaction component for conducting a power transaction mainly by a power seller. It has 120 and.

As shown in FIG. 2, the power purchase transaction component 110 includes a power generation bid group registration means 111, a power generation bid group search means 112, a power generation bid information transmission means 113, a power sale bid plan creation means 114, and a power sale bid. It has an information transmission means 115 and a power purchase contract registration means 116.

The power generation bidding group registration means 111 registers a power generation bidding group (for example, GA1 shown in FIG. 1) composed of one or more power generation points under the jurisdiction of the seller in the bidding database 23a (see FIG. 3) described later.
The power generation bidding group search means 112 searches for a power generation bidding group registered in the bidding database 23a.
The power generation bid information transmission means 113 transmits the power sale bid plan to the power purchaser terminal BT of the power purchaser as a search result by the power generation bid group search means 112.
The power selling bid plan creating means 114 creates a power selling bid plan for the power generation bidding group during the power selling period input from the power selling terminal ST of the power seller.
The power selling bid information transmitting means 115 transmits the information of the power selling bid of the power purchaser to the power selling bid plan by the power seller to the power seller terminal ST of the power seller.
The power purchase contract registration means 116 contracts and registers one power sale bid selected based on the operation of the power seller in the bid database 23a.

As shown in FIG. 2, the power sale transaction component 120 includes a demand bid group registration means 121, a demand bid group search means 122, a demand bid information transmission means 123, a power purchase bid plan creation means 124, and a power purchase bid. It has an information transmitting means 125 and a power selling contract registration means 126.

The demand bidding group registration means 121 registers a demand bidding group (for example, GX1 shown in FIG. 1) composed of one or more supply points under the jurisdiction of the power purchaser in the bidding database 23a.
The demand bid group search means 122 searches for a demand bid group registered in the bid database 23a.
The demand bid information transmission means 123 transmits the power purchase bid plan to the power seller terminal ST of the power seller as a search result by the demand bid group search means 122.
The power purchase bid plan creation means 124 creates a power purchase bid plan for the demand bidding group during the power purchase period input from the power purchaser terminal BT of the power purchaser.
The power purchase bid information transmitting means 125 transmits the information of the power purchase bid of the power seller to the power purchase bid plan by the power purchaser to the power purchaser terminal BT of the power purchaser.
The power sale contract registration means 126 contracts and registers one power purchase bid selected based on the operation of the power purchaser in the bid database 23a.

<2.2. Common subsystem>
As shown in FIG. 2, the common subsystem 300 includes at least an actual power consumption amount acquisition unit 310, a power demand forecast amount calculation unit 320, a power generation amount acquisition unit 330, and a power generation forecast amount calculation unit 340. ..

The actual power consumption acquisition means 310 acquires the actual power consumption at a predetermined supply point up to a predetermined time.
The electric power demand forecast amount calculating means 320 calculates the electric power demand forecast amount of the supply point after a predetermined time based on the electric power actual consumption amount of the supply point acquired by the electric power actual consumption amount acquisition means 310.
The power generation amount acquisition means 330 acquires the power generation amount at a predetermined power generation point up to a predetermined time.
The power generation prediction amount calculation means 340 calculates the power generation prediction amount of the power generation point after a predetermined time based on the power generation amount of the power generation point acquired by the power generation amount acquisition means 330.

<2.3. Processing equipment>
The electric power trading system 10 configured as described above is composed of at least one processing device 20.
The processing device 20 has a communication unit 21 connected to the network NW, an input / output unit 22 such as a man-machine interface that inputs information from the outside or outputs information to the outside, and a communication unit 21 from the network NW. It is input from the storage unit 23 that stores the acquired data, the input from the input / output unit 22, the power trading program, etc., and the data and the input / output unit 22 obtained from the network NW by the power trading program stored in the storage unit 23. It is provided with a processing unit 24 for processing the information and the like.
The storage unit 23 has a bidding database 23a for storing the progress of electric power transactions between the power purchaser and the power seller.
The processing device 20 configured in this way constitutes each component and each means of each subsystem of the electric power trading system 10.

<3. Electricity trading method>
Next, a power trading method by the power trading program stored in the power trading system 10 shown in FIGS. 1 and 2 and the processing device 20 shown in FIG. 3 will be described with reference to FIGS. 4A to 18.

<3.1. Acquisition of actual power consumption and power generation, and forecast of power demand and power generation>
First, based on FIGS. 4A and 4B, acquisition of actual power consumption at a supply point by the common subsystem 300 of the power trading system 10 and prediction of power demand, and power generation by the common subsystem 300 of the power trading system 10 The acquisition of the power generation amount at the point and the prediction of the power generation amount will be explained.
FIG. 4A is a flowchart showing a procedure for predicting the amount of power demand at a supply point by the power trading system according to the embodiment of the present invention, and FIG. 4B shows the prediction of the amount of power generated at the power generation point by the power trading system according to the embodiment of the present invention. It is a flowchart which shows the procedure.

<3.1.1. Acquisition of actual power consumption at supply points and calculation of power demand forecast>
First, the acquisition of the actual power consumption at the supply point and the calculation of the power demand forecast amount will be described with reference to FIG. 4A.

The acquisition of the actual power consumption at the supply point by the power trading system 10 is performed by the actual power consumption acquisition means 310 of the common subsystem 300.
The prediction of the electric power demand amount at the supply point (calculation of the electric power demand forecast amount) by the electric power trading system 10 is performed by the electric power demand forecast amount calculation means 320 of the common subsystem 300.

It should be noted that the acquisition of the actual power consumption by the actual power consumption acquisition means 310 and the prediction of the power demand amount by the power demand forecast amount calculation means 320 may be performed at any timing.
Further, the supply points from which the actual power consumption acquisition means 310 acquires the actual power consumption may be all supply points or some supply points.
Similarly, the supply points for which the electric power demand forecast amount calculation means 320 predicts the electric power demand amount may be all supply points or some supply points.

The actual power consumption acquisition means 310 of the power trading system 10 has a power consumption amount every 30 minutes at a predetermined (for example, all) supply points for the past minutes (for example, for the past one year from a predetermined start time) [ kWh] is acquired from the forward power flow meter FSM provided at each supply point via the power transmission and distribution business operator (step S10).
In the case of the first year when the forward power flow measuring meter FSM is installed, the actual power consumption acquisition means 310 obtains the actual power consumption every 30 minutes from the power transmission and distribution business operator.
Further, when the supply point itself is new, or when the actual power consumption of the supply point cannot be acquired, the actual power consumption acquisition means 310 estimates the actual power consumption by the existing power consumption model.

Next, the electric power demand forecast amount calculating means 320 of the electric power trading system 10 acquires the environmental data of each supply point and stores it in the storage unit 23 of the processing device 20 (step S11).
The "environmental data of the supply point" here means the weather data (temperature, humidity, pressure, solar radiation amount, rainfall amount) for the past year of each supply point acquired from the weather database DB by the power demand forecast amount calculation means 320. Etc.), weather forecast data for 84 hours at each supply point, or calendar data recording holidays and holidays.

Next, the electric power demand forecast amount calculating means 320 of the electric power trading system 10 acquires the actual electric power consumption for the past based on the actual electric power consumption for the past acquired in step S10 and the environmental data acquired in step S11. A power demand forecast amount [kWh] every 30 minutes for a predetermined period (for example, one year) at each supply point is calculated and stored in the storage unit 23 of the processing device 20 (step S12).

<3.1.2. Acquisition of power generation amount at power generation point and prediction of power generation amount>
Subsequently, the acquisition of the power generation amount at the power generation point and the calculation of the power generation predicted amount will be described with reference to FIG. 4B.

The acquisition of the power generation amount at the power generation point by the power transaction system 10 is performed by the power generation amount acquisition means 330 of the common subsystem 300.
The prediction of the power generation amount at the power generation point (calculation of the power generation prediction amount) by the power transaction system 10 is performed by the power generation prediction amount calculation means 340 of the common subsystem 300.

The acquisition of the power generation amount by the power generation amount acquisition means 330 and the prediction of the power generation amount by the power generation prediction amount calculation means 340 may be performed at any timing.
Further, the power generation points at which the power generation amount acquisition means 330 acquires the power generation amount may be all power generation points or some power generation points.
Similarly, the power generation points for which the power generation prediction amount calculation means 340 predicts the power generation amount may be all power generation points or some power generation points.

The power generation amount acquisition means 330 of the power trading system 10 obtains the power generation amount [kWh] every 30 minutes at a predetermined (for example, all) power generation points for the past (for example, for the past one year from a predetermined start date). It is acquired from the reverse power flow meter RSM provided at the power generation point via the power transmission and distribution business operator and stored in the storage unit 23 of the processing device 20 (step S20).
In the case of the first year when the reverse power flow measuring meter RSM is installed, the power generation amount acquisition means 330 obtains the power generation amount every 30 minutes from the power transmission and distribution business operator.
If the power generation point itself is new, or if the power generation amount at the power generation point cannot be acquired, the power generation amount acquisition means 330 estimates the power generation amount using the existing power generation model.

Next, the power generation prediction amount calculation means 340 of the power trading system 10 acquires the environmental data of each power generation point and stores it in the storage unit 23 of the processing device 20 (step S21).
The "environmental data of the power generation point" here means the weather data (temperature, humidity, pressure, solar radiation amount, rainfall amount, etc.) for the past year of each power generation point acquired from the weather database DB by the power generation forecast amount calculation means 340. ), Weather forecast data for 84 hours at each power generation point, or calendar data recording holidays and holidays.

Next, the power generation prediction amount calculation means 340 of the power trading system 10 is at each power generation point where the past power generation amount is acquired based on the past power generation amount acquired in step S20 and the environmental data acquired in step S21. The predicted power generation amount [kWh] every 30 minutes for a predetermined period (for example, one year) is calculated and stored in the storage unit 23 of the processing device 20 (step S22).

<3.2. Power purchase by the purchaser ＞
Subsequently, the procedure for purchasing electric power by the power purchaser will be described with reference to FIGS. 5 to 11.

First, an outline of the power purchase procedure by the power purchaser will be described with reference to FIG.
FIG. 5 is a flowchart showing a procedure for purchasing electric power by a power purchaser using the electric power trading system according to the embodiment of the present invention.

When the power purchaser selects a power generation bidding group to purchase power, as shown in FIG. 5, the power seller first registers the power generation bidding group in advance (step S100), and then the power purchaser. Searches for a power generation bidding group (step S120) and bids for power selling against the power selling bidding plan (step S140).
After that, the power seller confirms the power sale bid and performs the contract processing (step S160).
Hereinafter, each step will be described in detail.

<3.2.1. Registration of power generation bidding group>
First, the registration of the power generation bidding group by the power seller in step S100 will be described with reference to FIGS. 6 to 7B.
FIG. 6 is a flowchart showing a procedure for registering a power generation bidding group by the power trading system according to the embodiment of the present invention, and FIGS. 7A and 7B are power generation bids displayed on the power seller terminal when the power generation bidding group is registered. It is a figure which shows an example of a group setting screen.

When the power seller registers the power generation bid group, the power seller accesses the power trading system 10 by the power seller terminal ST and calls the power generation bid group setting screen data (step S101).
Upon receiving the call of the power generation bid group setting screen data, the power trading system 10 transmits the power generation bid group setting screen data to the power seller terminal ST (step S102).
As a result, the power seller terminal ST displays the power generation bidding group setting screen 30 as shown in FIGS. 7A and 7B (step S103).

Here, the power generation bidding group setting screen 30 will be described.
The power generation bid group setting screen 30 includes a power generation bid group information input area 31, a power generation point search condition input area 32, a power generation bid group registration area 33, a power generation amount simulation area 34, and a power sale desired unit price input area 35. , The power sale bid plan display area 36, the power sale bid plan registration button 37, and the return button 38.

The power generation bid group information input area 31 is composed of a bid area selection tab 31a, a power sale period input field 31b, and a power generation bid group name input field 31c.
In the power generation bid group information input area 31, the bid area is specified (selection of the bid area selection tab 31a), the power sale period is set (input in the power sale period input field 31b), and the power generation bid group name is input (). Input to the power generation bid group name input field 31c) is mandatory.

The bid area selection tab 31a is a drop-down list that displays bid area candidates (in Japan, a supply area that divides the country into 10), and one bid from the bid area displayed on the bid area selection tab 31a. The area can be freely selected.
The electric power sale period input field 31b is a field for inputting a target period for electric power sale (electric power sale period).
The power generation bid group name input field 31c is a field for inputting the name of the power generation bid group to be registered (preferably to which information specifying the power source is added).

The power generation point search condition input area 32 includes a search condition input field 32a, a search button 32b, and a clear button 32c.
The search condition input field 32a is a field for inputting a keyword for searching a predetermined power generation point from a pre-registered power generation point.
The search button 32b is a button for transmitting an instruction to search for a power generation point to the electric power transaction system 10 based on the keyword input in the search condition input field 32a.
The clear button 32c is a button for deleting the keyword input in the search condition input field 32a.

The power generation bid group registration area 33 is composed of a power generation point display field 33a, a power generation bid group display field 33b, an add button 33c, and a delete button 33d.
The power generation point display column 33a is a column in which the name of the power generation point, which is one of the information of the power generation point transmitted from the electric power transaction system 10, is displayed one by one in one line, and each line can be freely selected. There is.
The power generation bid group display column 33b is a column in which the names of the power generation points constituting the candidates of the power generation bid group are displayed one by one in one line, and each line can be freely selected.
The add button 33c is a button for adding the power generation point selected in the power generation point display field 33a to the power generation bid group display field 33b.
The delete button 33d is a button for deleting the power generation point selected in the power generation bid group display field 33b from the power generation bid group display field 33b.

The power generation amount simulation area 34 is composed of a power generation amount simulation button 34a and a power generation amount simulation column 34b.
The power generation amount display button 34a is a button for transmitting a command to the power transaction system 10 to add up the power generation predicted amounts of the power generation points displayed in the power generation bid group display column 33b.
The power generation amount display column 34b is a column in which the power generation predicted amount of the entire power generation point (power generation bid group candidate) displayed in the power generation bid group display field 33b transmitted from the power trading system 10 is displayed. , The transition of the power generation amount for a predetermined time (for example, every 30 minutes) for a predetermined period (for example, one day) corresponding to a predetermined condition (the day with the largest amount of power generation in one day) is displayed.

The power selling desired unit price input area 35 is composed of a power selling desired unit price input field 35a and a power selling bid plan display button 35b.
The power selling desired unit price input field 35a is a field for inputting the power selling desired unit price to be registered in the power selling bidding plan.
The power selling bid plan display button 35b causes the power selling bid plan creating means 114 of the power trading system 10 to create a power selling bid plan for the power generation bidding group candidate, and causes the power selling terminal ST to send the power selling bid plan. Is a button for transmitting to the power trading system 10.

In the power selling bid plan display area 36, the power selling bid plan of the power generation bidding group candidate received from the power trading system 10 is displayed.
Specifically, as a power generation bid plan, information for specifying the power source of the power generation bid group candidate (whether or not it is renewable energy, etc.), the total electric energy as the power generation bid group candidate [MWh], and the power generation bid group candidate. Average power consumption [kWh / day], annual maximum power as a power generation bid group candidate [kW], desired unit price for selling power as a power generation bid group candidate [yen / kWh], total price (total power as a power generation bid group candidate) Amount x desired unit price for selling power as a candidate for a power generation bidding group) [yen] etc. are included.

The power sale bid plan registration button 37 registers the power generation bid group candidate displayed in the power generation bid group display field 33b as a power generation bid group in the bid database 23a, and also registers the contents input in the power generation bid group information input area 31 and sells. The electricity selling bid plan displayed in the electricity bidding plan display area 36 is also a button for transmitting an instruction to be registered in the bidding database 23a associated with the information of the power generation points constituting the power generation bidding group to the electricity trading system 10.
The return button 38 is a button for transitioning from the power generation bidding group setting screen 30 to another screen (for example, an initial screen).

Returning to FIG. 6, the registration of the power generation bidding group by the power seller will be further described.
The power seller inputs the information of the power generation bid group to be registered in the power generation bid group information input area 31 by the power seller terminal ST.

Next, the power seller inputs a keyword for searching a power generation point that is a candidate for the power generation bidding group registered in the power transaction system 10 by the power seller terminal ST in the search condition input field 32a.
Then, when the search button 32b is pressed by operating the power seller terminal ST, the power seller terminal ST transmits the search condition of the power generation point input in the power generation point search condition input area 32 to the power trading system 10. (Step S104).

The electric power transaction system 10 that has received the search condition for the power generation point searches for a power generation point that matches the received search condition (step S105).
Then, the electric power transaction system 10 transmits the search result (information on the power generation point corresponding to the received search condition) to the power seller terminal ST (step S106).

The power seller terminal ST that has received the search result from the power transaction system 10 displays the power generation point that matches the received search condition in the power generation point display field 33a of the power generation bid group registration area 33 (step S107).

Next, the power seller selects a power generation point for which a power generation bid group is to be formed from the power generation points displayed in the power generation point display field 33a of the power generation bid group registration area 33 by the power seller terminal ST, and presses the add button 33c. ..
As a result, the candidates for the power generation bid group are displayed in the power generation bid group display column 33b (step S108).

Next, it is determined whether or not the power seller terminal ST has received the command for simulating the electric energy (step S109).
When the power generation amount simulation button 34a is pressed by operating the power seller terminal ST, it is assumed that the power seller terminal ST has received the command to simulate the power amount, and the command to simulate the power amount and the power generation bidding group. Information on the power generation point that is a candidate for the above is transmitted to the electric power trading system 10, and the process proceeds to step S110.
When the power generation amount simulation button 34a is not pressed, the power seller inputs the power sale desired unit price in the power sale desired unit price input field 35a of the power sale desired unit price input area 35 by the power seller terminal ST, and steps. Proceed to S113.

In step S110, the power trading system 10 that has received the command to simulate the power amount simulates the power generation amount of the candidate of the power generation bidding group based on the power generation predicted amount of each power generation point calculated by the power generation predicted amount calculating means 340. To create.
Then, the electric power transaction system 10 transmits the simulated result to the power seller terminal ST (step S111).
The power seller terminal ST that has received the simulated result of the power generation amount of the power generation bidding group displays the simulated result in the power generation amount simulation column 34b (step S112).
Then, the power seller inputs the power sale desired unit price in the power sale desired unit price input field 35a of the power sale desired unit price input area 35 by the power seller terminal ST.

When the power sale bid plan display button 35b is pressed by operating the power seller terminal ST, the power seller terminal ST displays the information input in the power generation bid group information input area 31 and the power generation bid group display field 33b. Information on the power generation point that is a candidate for the displayed power generation bidding group and the power selling bid plan creation information such as the power selling desired unit price input in the power selling desired unit price input field 35a are transmitted to the power trading system 10 ( Step S113).

Next, the power selling bid plan creating means 114 of the power trading system 10 creates a power selling bid plan for a candidate of the power generation bidding group from the power selling bid plan creation information received from the power seller terminal ST (step S114). The power sale bid plan is transmitted to the power seller terminal ST (step S115).

The power seller terminal ST that has received the power selling bid plan from the power trading system 10 displays the power selling bid plan in the power selling bid plan display area 36 (step S116).
When the power selling bid plan registration button 37 is pressed by operating the power selling terminal ST, the power selling terminal ST transmits an instruction to register the power selling bid plan in the bidding database 23a to the power trading system 10 ( Step S117).
The power generation bidding group registration means 111 of the power trading system 10 that has received the registration instruction of the power selling bid plan uses the power selling bidding plan transmitted to the power seller terminal ST as the power selling bidding plan of the power generation bidding group in the bidding database 23a. Register (step S118).

<3.2.2. Searching for power generation bidding groups and bidding for selling power>
Next, the search for the power generation bidding group by the power purchaser in step S120 and the power sale bid in step S140 will be described with reference to FIGS. 8 and 9.
FIG. 8 is a flowchart showing a procedure for searching a power generation bid group by the power trading system according to an embodiment of the present invention, and FIG. 9 is a power generation bid group search screen displayed on a power seller terminal when searching for a power generation bid group. It is a figure which shows an example.

When the power purchaser searches for the power generation bid group, the power purchaser accesses the power transaction system 10 by the power purchaser terminal BT and calls the power generation bid group search screen data (step S121).
The electric power trading system 10 that has received the call of the power generation bid group search screen data transmits the power generation bid group search screen data to the power purchaser terminal BT (step S122).
As a result, the power purchaser terminal BT displays the power generation bidding group search screen 40 as shown in FIG. 9 (step S123).

Here, the power generation bidding group search screen 40 will be described.
The power generation bid group search screen 40 is composed of a power generation bid group search condition input area 41, a power generation bid group display area 42, a power generation forecast amount display area 43, a power sale bid plan display area 44, and a bid button 45. ing.

The power generation bid group search condition input area 41 includes a bid area selection tab 41a, a total price input field 41b, an annual maximum output input field 41c, a power sale period input field 41d, a total power amount input field 41e, and a search button. It is composed of 41f and a clear button 41g.
In the power generation bidding group search condition input area 41, it is essential to specify the bidding area (selection of the bidding area selection tab 41a).

The bid area selection tab 41a is a drop-down list that displays bid area candidates (supply areas in Japan), and one bid area can be freely selected from the bid areas displayed on the bid area selection tab 41a. ing.
The total price input field 41b is a field for inputting a range of total prices set by the power generation bidding group.
The annual maximum output input field 41c is a field for inputting the range of the annual maximum output of the power generation bidding group.
The electric power sale period input field 41d is a field for inputting the target period for the electric power sale of the electric power seller.
The total electric energy input field 41e is a field for inputting the range of the total electric energy of the power generation bidding group.
The search button 41f is a button for transmitting an instruction to search for a power generation bidding group to the electric power trading system 10 based on the information input or selected in the total electric energy input field 41e from the bidding area selection tab 41a.
The clear button 41g is a button for deleting information input or selected in the total electric energy input field 41e from the bid area selection tab 41a.

In the power generation bidding group display area 42, information on the power generation bidding group transmitted from the power trading system 10 is displayed one group per line.
In the power generation bid group display area 42, the bid status and the power sale bid plan of each power generation bid group are displayed.
Further, each line of the power generation bidding group display area 42 is freely selectable.

The power generation forecast amount display area 43 is a column in which the power generation forecast amount of the entire power generation point is displayed as the power generation bid group selected in the power generation bid group display area 42, and specifically, a predetermined period corresponding to a predetermined condition. The transition of the amount of power generation for a predetermined time (for example, every 30 minutes) for a predetermined time (for example, one day) is displayed.

In the power selling bid plan display area 44, the power selling bid plan of the power generation bidding group selected in the power generation bidding group display area 42 is displayed.

The bidding button 45 transmits an instruction to bid for the power generation bidding group selected in the power generation bidding group display area 42 to the power trading system 10.

Returning to FIG. 8, the search for the power generation bidding group by the power purchaser will be further described.
The power purchaser inputs a search condition for searching for a power generation bid group to be procured in the power generation bid group search condition input area 41 by the power purchaser terminal BT.

Next, when the search button 41f is pressed by operating the power purchaser terminal BT, the power purchaser terminal BT sets the search condition of the power generation bid group input in the power generation bid group search condition input area 41 to the power trading system 10. (Step S124).

The power generation bid group search means 112 of the power transaction system 10 that has received the search condition of the power generation bid group searches for a power generation bid group that matches the received search condition (step S125).
Then, the power generation bid information transmission means 113 of the power trading system 10 transmits the search result (power generation bid information such as the power sale bid plan of the power generation bid group that matches the search condition) to the power purchaser terminal BT (step S126).

The power purchaser terminal BT that has received the search result from the power transaction system 10 displays the information of the power generation bid group in the power generation bid group display area 42 (step S127).

Next, the power purchaser selects a power generation bid group to be bid from the power generation bid group displayed in the power generation bid group display area 42 by the power purchaser terminal BT (step S128).
When the power purchaser selects the power generation bidding group to be bid on by the power purchaser terminal BT, the power purchaser terminal BT sends the power generation forecast amount of the selected power generation bidding group and the call command of the power sale bid plan to the power trading system 10. (Step S129).

Upon receiving the command to call the power generation bid group and the power sale bid plan selected by the power purchaser, the power trading system 10 sets the power generation bid group's power forecast amount and the power sale bid plan to the power purchaser terminal BT. (Step S130).

The power purchaser terminal BT that has received the power generation bid group's power forecast amount and the power sale bid plan displays the power generation forecast amount of the power generation bid group in the power generation forecast amount display area 43, and displays the power sale bid plan on the power sale bid plan. It is displayed in the area 44 (step S131).

When the bid button 45 is pressed by operating the power purchaser terminal BT, the power trading system 10 indicates that the bid is made to the power sale bid plan of the power generation bid group selected in the power generation bid group display area 42 (bid instruction). Is transmitted to (step S141).
Then, the electric power transaction system 10 that has received the bidding instruction registers in the bidding database 23a that the bidding has been entered in the power generation bidding group selected in the power generation bidding group display area 42 (that there was a bidding for selling electricity) (step). S142).

<3.2.3. Contract processing>
Next, the contract processing in step S160 will be described with reference to FIGS. 10 and 11.
FIG. 10 is a flowchart showing a contract procedure by the electric power trading system according to the embodiment of the present invention, and FIG. 11 shows an example of a power selling bid display screen displayed on the power seller terminal when searching for a power generation bidding group. It is a figure.

When the power seller confirms the bid for the power sale bid plan (power sale bid), the power seller accesses the power transaction system 10 by the power seller terminal ST and calls the power sale bid confirmation screen data (step S161). ).
Upon receiving the call for the power sale bid confirmation screen data, the power transaction system 10 transmits the power sale bid confirmation screen data to the power seller terminal ST (step S162).
As a result, the power seller terminal ST displays the power sale bid confirmation screen 50 as shown in FIG. 11 (step S163).

Here, the power sale bid confirmation screen 50 will be described.
The power sale bid confirmation screen 50 is composed of a power sale bid search condition input area 51, a power sale bid display area 52, and a contract button 53.

The power sale bid search condition input area 51 includes a power generation bid group name input field 51a, a supply area selection field 51b, a power sale period input field 51c, a bidder name input field 51d, and a power sale bid search button 51e. It is composed of a clear button 51f.

The power generation bid group name input field 51a is a field for inputting a keyword when searching for a registered power generation bid group.
The supply area selection column 51b is a column for selecting a supply area, and a plurality of supply areas can be freely selected.
The electric power sale period input field 51c is a field for inputting the electric power sale period set by the power generation bidding group.
The bidder name input field 51d is a field for inputting a keyword when searching for a bidder (power purchaser).
The power sale bid search button 51e is a button for transmitting an instruction to search for a power sale bid to the power trading system 10 based on the information input or selected from the power generation bid group name input field 51a to the bidder name input field 51d. ..
The clear button 51f is a button for deleting information input or selected from the power generation bid group name input field 51a to the bidder name input field 51d.

In the power selling bid display area 52, the power selling bid information transmitted from the power selling bid information transmitting means 115 of the electric power trading system 10 is displayed one by one per line.
In each line of the power sale bid display area 52, a power generation bid group name, a power source, a bidder, a power sale bid plan, and the like are displayed.
Further, each line of the power sale bid display area 52 is freely selectable.

The contract button 53 transmits the information of the power selling bid selected in the power selling bid display area 52 to the electric power trading system 10.

Returning to FIG. 10, the contract processing will be further described.
The power seller inputs search conditions for searching for a power selling bid that is convenient for the power seller in the power selling bid search condition input area 51 by the power selling terminal ST.
Then, when the power selling bid search button 51e is pressed by operating the power selling terminal ST, the power selling terminal ST sets the search condition of the power selling bid input in the power selling bid search condition input area 51 into the power trading system. It is transmitted to 10 (step S164).

The electric power transaction system 10 that has received the search condition for the power sale bid searches for the power sale bid for the power sale bid plan that matches the received search condition (step S165).
Then, the power selling bid information transmitting means 115 of the electric power transaction system 10 transmits the search result (information on the selling bid for the power selling bidding plan that matches the search condition) to the power selling terminal ST (step S166).

The power seller terminal ST that has received the search result from the power transaction system 10 displays the power sale bid that matches the search condition in the power sale bid display area 52 (step S167).

The power seller confirms the power generation bid displayed in the power sale bid display area 52 of the power sale bid confirmation screen 50 by the power seller terminal ST, selects the most favorable power sale bid, and presses the contract button 53. push.
When the contract button 53 is pressed by operating the power seller terminal ST, one power selling bid selected in the power selling bid display area 52 is transmitted to the power trading system 10 as a contract target (step S168).

Then, the power purchase contract registration means 116 of the electric power trading system 10 that has received the information of the power sale bid to be contracted registers one power sale bid in the bid database 23a (step S169).
This completes the long-term bilateral transaction between the seller and the buyer.

<3.2.4. Summary>
The power generation system 10 of the present embodiment configured in this way sets a power generation bidding group consisting of one or more power generation points under the jurisdiction of the power seller based on the instruction from the power seller terminal BT in the power generation bidding database 23a. That is, the power generation bid group registration means 111 for registering at least the information of the power generation bid group composed of two or more power generation points under the jurisdiction of the power seller in the bid database 23a, and the power generation bid group registration means 111 registered in the bid database 23a. The power generation bid group search means 112 that searches for the power generation bid group based on the search conditions transmitted from the power purchaser terminal BT of the power purchaser, and the power generation bid group search means 112 that searches the search results by the power purchaser. By providing the power generation bid information transmission means 113 for transmitting to the terminal BT, the power purchaser can freely select the power generation bid group that has jurisdiction over a specific power generation point, and the power generation bid group selected by the power purchaser himself can be used for power generation. Therefore, it is possible for the power purchaser to procure power from the power generation bidding group that offers the cheapest selling price, which is a high degree of freedom for the power purchaser.

Further, the power selling bid plan creating means 114 for creating the power selling bid plan of the power generation bidding group during the power selling period input from the power selling seller terminal ST of the power seller is further provided, the power generation bid information transmitting means is 113, and the power generation is performed. By transmitting the power sale bid plan to the power purchaser terminal BT of the power purchaser as a search result by the bid group search means 112, the power purchaser carefully examines the power generation bid group based on the power sale bid plan and then bids for power generation. Since the group can be selected, the matching accuracy between the power buyer and the power seller can be improved.

In recent years, due to heightened environmental awareness, there has been an increasing demand for RE100 (100% of the energy required for business operations is covered by renewable energy). Even if I could select it, I could not identify the power source.
However, since the power sale bid plan includes information that identifies the power source of the power generation bid group, the power purchaser can select the power generation bid group that has jurisdiction over the specific power source, so that the power purchaser can operate the business. It is possible to easily realize electric power procurement such that the energy required for electricity is 100% renewable energy.

Further, the power selling bid information transmitting means 115 for transmitting the information of the power selling bid of the power buyer for the power selling bid plan to the power seller terminal ST of the power seller, and one selected based on the operation of the power seller. By further providing the power purchase contract registration means 116 for registering the power sale bid in the bid database 23a, the power purchaser can select the power seller to purchase the power after confirming the bid conditions. , The matching accuracy between the power buyer and the power seller can be further improved.

<3.3. Electricity sales by electricity sellers>
Subsequently, the procedure for selling electric power by the seller will be described with reference to FIGS. 12 to 18.

First, an outline of the electric power sales procedure by the power seller will be described with reference to FIG. 12.
FIG. 12 is a flowchart showing a power sales procedure by a power seller using the power trading system according to the embodiment of the present invention.

When the power seller selects a demand bidding group and sells electric power, as shown in FIG. 12, the power purchaser first registers the demand bidding group in advance (step S200), and then the power seller. Searches for a demand bidding group (step S220) and makes a bid for a power purchase bid plan (step S240).
After that, the power purchaser confirms the power purchase bid and performs the contract processing (step S260).
Hereinafter, each step will be described in detail.

<3.3.1. Registration of demand bidding group>
First, the registration of the demand bidding group by the power purchaser in step S200 will be described with reference to FIGS. 13 to 14B.
FIG. 13 is a flowchart showing a procedure for registering a demand bidding group by the electric power trading system according to the embodiment of the present invention, and FIGS. 14A and 14B are demand bids displayed on the power purchaser terminal when the demand bidding group is registered. It is a figure which shows an example of a group setting screen.

When the power purchaser registers the demand bid group, the power purchaser accesses the power transaction system 10 by the power purchaser terminal BT and calls the demand bid group setting screen data (step S201).
The electric power transaction system 10 that has received the call of the demand bid group setting screen data transmits the demand bid group setting screen data to the power purchaser terminal BT (step S202).
As a result, the power purchaser terminal BT displays the demand bidding group setting screen 60 as shown in FIGS. 14A and 14B (step S203).

Here, the demand bidding group setting screen 60 will be described.
The demand bid group setting screen 60 includes a demand bid group information input area 61, a supply point search condition input area 62, a demand bid group registration area 63, a demand amount simulation area 64, and a power purchase desired unit price input area 95. , The power purchase bid plan display area 66, the power purchase bid plan registration button 67, and the return button 68.

The demand bid group information input area 61 is composed of a bid area selection tab 61a and a demand bid group name input field 61b.
In the demand bid group information input area 61, it is essential to specify the bid area (select the bid area selection tab 61a) and input the demand bid group name (input to the demand bid group name input field 61b). There is.

The bid area selection tab 61a is a drop-down list that displays bid area candidates (supply areas in Japan), and one bid area can be freely selected from the bid areas displayed on the bid area selection tab 61a. ing.
The demand bid group name input field 61b is a field for inputting the name of the demand bid group to be registered from now on.

The supply point search condition input area 62 includes a search condition input field 62a, a search button 62b, and a clear button 62c.
The search condition input field 62a is a field for inputting a keyword for searching a predetermined supply point from the supply points registered in advance.
The search button 62b is a button for transmitting an instruction to search for a supply point to the electric power transaction system 10 based on the information input in the search condition input field 62a.
The clear button 62c is a button for deleting the information input in the search condition input field 62a.

The demand bid group registration area 63 is composed of a supply point display column 63a, a demand bid group display column 63b, an add button 63c, and a delete button 63d.
The supply point display column 63a is a column in which the name of the supply point, which is one of the supply point information transmitted from the electric power transaction system 10, is displayed one supply point per line, and each line can be freely selected. There is.
The demand bid group display column 63b is a column in which the names of the supply points constituting the candidates of the demand bid group are displayed one by one in one line, and each line can be freely selected.
The add button 63c is a button for adding the supply point selected in the supply point display field 63a to the supply bid group display field 33b.
The delete button 63d is a button for deleting the supply point selected in the supply bid group display field 63b from the supply bid group display field 63b.

The demand amount simulation display area 64 is composed of a demand amount simulation button 64a and a demand amount simulation column 64b.
The demand amount simulation button 64a is a button for transmitting a command to the electric power trading system 10 to add up the electric power demand forecast amount of the supply point displayed in the demand bid group display column 63b.
The demand amount simulation column 64b is a column in which the electric power demand forecast amount of the entire supply point (demand bid group candidate) displayed in the demand bid group display column 63b transmitted from the electric power trading system 10 is displayed, and is specific. Displays the transition of the power demand forecast amount for a predetermined time (for example, every 30 minutes) for a predetermined period (for example, one year).

The power purchase desired unit price input area 65 includes a power purchase desired unit price input field 65a and a power purchase bid plan display button 65b.
The power purchase desired unit price input field 65a is a field for inputting the power purchase desired unit price to be registered in the power purchase bid plan.
The power purchase bid plan display button 65b causes the power purchase bid plan creation means 124 of the power trading system 10 to create a power purchase bid plan for the demand bid group candidate, and causes the power purchaser terminal BT to send the power purchase bid plan. Is a button for transmitting to the power trading system 10.

In the power purchase bid plan display area 66, the power purchase bid plan of the demand bid group candidate received from the power transaction system 10 is displayed.
Specifically, as a power purchase bid plan, the total electric energy as a demand bid group candidate [MWh], the average electric energy used as a demand bid group candidate [kWh / day], and the annual maximum electric energy as a demand bid group candidate [kW]. ], Desired unit price for power purchase as a candidate for a demand bid group [yen / kWh], Total price (total electric energy as a candidate for a demand bid group x desired unit price for power purchase as a candidate for a demand bid group) [yen], Candidate for a demand bid group Demand bid group Contains information that identifies the estimated amount of electricity demand.
The "demand bid group candidate power demand forecast amount" referred to here is a value obtained by adding up the power consumption forecast amount for each unit time of each supply point constituting the demand bid group, and is a demand bid group. It is a transition of the power consumption forecast amount for each unit time (for example, 30 minutes) as a candidate.

The power purchase bid plan registration button 67 registers the demand bid group candidate displayed in the demand bid group display field 63b as a demand bid group in the bid database 23a, and the contents input in the demand bid group information input area 61 and the purchase. The power purchase bid plan displayed in the power bid plan display area 66 is also a button for transmitting an instruction to be registered in the bid database 23a associated with the information of the power generation points constituting the demand bid group to the power trading system 10.
The return button 68 is a button for transitioning from the demand bidding group setting screen 60 to another screen (for example, an initial screen).

Returning to FIG. 13, the registration of the demand bidding group by the power purchaser will be further described.
The power purchaser inputs the information of the demand bid group to be registered in the demand bid group information input area 61 by the power purchaser terminal BT.

Next, the power purchaser inputs information for searching a supply point that is a candidate for the demand bidding group registered in the power transaction system 10 by the power purchaser terminal BT in the search condition input field 62a.
Then, when the search button 62b is pressed by operating the power purchaser terminal BT, the power purchaser terminal BT transmits the search condition of the supply point input in the supply point search condition input area 62 to the electric power trading system 10. (Step S204).

The electric power transaction system 10 that has received the search condition of the supply point searches for a supply point that matches the received search condition (step S205).
Then, the electric power transaction system 10 transmits the search result (information on the supply point corresponding to the received search condition) to the power purchaser terminal BT (step S206).

The power purchaser terminal BT that has received the search result from the electric power transaction system 10 displays the supply point that matches the received search condition in the supply point display field 63a of the demand bidding group registration area 63 (step S207).

Next, the power purchaser selects a supply point for which a demand bid group is to be formed from the supply points displayed in the supply point display field 63a of the demand bid group registration area 63 by the power purchaser terminal BT, and presses the add button 63c. ..
As a result, the candidates for the demand bidding group are displayed in the demand bidding group display field 63b (step S208).

Next, it is determined whether or not the power purchaser terminal BT has accepted the command for simulating the demand amount (step S209).
When the average demand amount display button 64a is pressed by operating the power purchaser terminal BT, it is assumed that the power purchaser terminal BT has received the command to simulate the demand amount, and the instruction to simulate the demand amount and the demand bidding group. Information on the supply point that is a candidate for is transmitted to the electric power trading system 10, and the process proceeds to step S210.
When the demand amount simulation button 64a is not pressed, the power purchaser inputs the power purchase desired unit price in the power purchase desired unit price input field 65a of the power purchase desired unit price input area 65 by the power purchaser terminal BT, and steps. Proceed to S213.

In step S210, the electric power trading system 10 that has received the instruction to simulate the demand amount is the demand amount of the candidate of the demand bidding group based on the electric power demand forecast amount of each supply point calculated by the electric power demand forecast amount calculation means 320. Create a simulation of.
Then, the electric power transaction system 10 transmits the simulated result to the power purchaser terminal BT (step S211).
The power purchaser terminal BT that has received the simulated result of the average power generation amount of the demand bidding group displays the simulated result in the demand amount simulation column 64b (step S212).
Then, the power purchaser inputs the power purchase desired unit price in the power purchase desired unit price input field 65a of the power purchase desired unit price input area 65 by the power purchaser terminal BT.

When the power purchase bid plan display button 65b is pressed by operating the power purchaser terminal BT, the power purchaser terminal BT displays the information input in the demand bid group information input area 61 and the demand bid group display field 63b. Information on the displayed supply points that are candidates for the demand bidding group and information on creating a power purchase bid plan such as the power purchase desired unit price input in the power purchase desired unit price input field 65a are transmitted to the power trading system 10 ( Step S213).

Next, the power purchase bid plan creation means 124 of the power trading system 10 creates a power purchase bid plan for a candidate of the demand bidding group from the power purchase bid plan creation information received from the power purchaser terminal BT (step S214). The power purchase bid plan is transmitted to the power purchaser terminal BT (step S215).

The power purchaser terminal BT that has received the power purchase bid plan from the power transaction system 10 displays the power purchase bid plan in the power purchase bid plan display area 66 (step S216).
When the power purchase bid plan registration button 67 is pressed by operating the power purchaser terminal BT, the power purchaser terminal BT transmits an instruction to register the power purchase bid plan in the bid database 23a to the power trading system 10 ( Step S217).
The demand bid group registration means 121 of the electric power trading system 10 that has received the registration instruction of the power purchase bid plan uses the power purchase bid plan transmitted to the power purchaser terminal BT as the power purchase bid plan of the demand bid group in the bid database 23a. Register (step S218).

<3.3.2. Search for demand bidding groups and bids for power purchases>
Next, the search for the demand bidding group by the power seller in step S220 and the power purchase bid in step S240 will be described with reference to FIGS. 15 and 16.
FIG. 15 is a flowchart showing a search procedure of a demand bidding group by the electric power trading system according to an embodiment of the present invention, and FIG. 16 is a demand bidding group search screen displayed on a power purchaser terminal when searching for a demand bidding group. It is a figure which shows an example.

When the power seller searches for the demand bid group, the power seller accesses the power transaction system 10 by the power seller terminal ST and calls the demand bid group search screen data (step S221).
The electric power transaction system 10 that has received the call of the demand bid group search screen data transmits the search screen data to the demand bid group power seller terminal ST (step S222).
As a result, the power seller terminal ST displays the demand bidding group search screen 70 as shown in FIG. 16 (step S223).

Here, the demand bidding group search screen 70 will be described.
The demand bid group search screen 70 is composed of a demand bid group search condition input area 71, a demand bid group display area 72, a demand forecast amount display area 73, a power purchase bid plan display area 74, and a bid button 75. ing.

The demand bid group search condition input area 71 is composed of a bid area selection tab 71a, a total price input field 71b, an annual maximum output input field 71c, a total electric energy input field 71d, a search button 71e, and a clear button 71f. It is configured.
In the demand bidding group search condition input area 71, it is essential to specify the bidding area (selection of the bidding area selection tab 71a).

The bid area selection tab 71a is a drop-down list that displays bid area candidates (supply areas in Japan), and one bid area can be freely selected from the bid areas displayed on the bid area selection tab 71a. ing.
The total price input field 71b is a field for inputting a range of total prices set by the demand bidding group.
The annual maximum output input field 71c is a field for inputting the range of the annual maximum demand amount of the demand bidding group.
The total electric energy input field 71d is a field for inputting the range of the total demand amount of the demand bidding group.
The search button 71e is a button for transmitting an instruction to search the demand bidding group to the electric power trading system 10 based on the information input or selected in the total electric energy input field 71d from the bidding area selection tab 71a.
The clear button 71f is a button for deleting information input or selected in the total electric energy input field 71d from the bid market selection tab 71a.

In the demand bidding group display area 72, the information of the demand bidding group transmitted from the electric power trading system 10 is displayed one group per line.
In the demand bid group display area 72, the bid status and the power purchase bid plan of each demand bid group are displayed.
Further, each row of the demand bid group display area 72 is freely selectable.

The demand forecast amount display area 73 is a column in which the power demand forecast amount of the entire supply point is displayed as the demand bid group selected in the demand bid group display area 72, and specifically, a predetermined condition corresponding to a predetermined condition is satisfied. The transition of the power demand forecast amount for a predetermined time (for example, every 30 minutes) of the period (for example, one day) is displayed.

In the power purchase bid plan display area 74, the power purchase bid plan of the demand bid group selected in the demand bid group display area 72 is displayed.

The bidding button 75 transmits an instruction to bid for the demand bidding group selected in the demand bidding group display area 72 to the electric power trading system 10.

Returning to FIG. 15, the search for the demand bidding group by the power seller will be further described.
The power seller inputs a search condition for searching the demand bid group for which power is to be procured in the demand bid group search condition input area 71 by the power seller terminal ST.

Next, when the search button 71f is pressed by operating the power seller terminal ST, the power seller terminal ST sets the search condition of the demand bid group input in the demand bid group search condition input area 71 to the power trading system 10. (Step S224).

The demand bid group search means 122 of the electric power transaction system 10 that has received the search condition of the demand bid group searches for a demand bid group that matches the received search condition (step S225).
Then, the demand bid information transmission means 123 of the electric power trading system 10 transmits the search result (information such as the power purchase bid plan of the demand bid group that matches the search condition) to the power seller terminal ST (step S226).

The power seller terminal ST that has received the search result from the electric power transaction system 10 displays the information of the demand bidding group in the demand bidding group display area 72 (step S227).

Next, the power seller selects a demand bid group to be bid from the demand bid groups displayed in the demand bid group display area 72 by the power seller terminal ST (step S228).
When the power seller selects the demand bidding group to be bid by the power seller terminal ST, the power seller terminal ST sends the demand forecast amount of the selected demand bidding group and the call command of the power purchase bid plan to the power trading system 10. (Step S229).

Upon receiving the instruction to call the demand forecast amount and the power purchase bid plan of the demand bid group selected by the power seller, the power trading system 10 sets the demand forecast amount and the power purchase bid plan of the demand bid group to the power seller terminal ST. (Step S230).

The power seller terminal ST that has received the demand forecast amount and the power purchase bid plan of the demand bid group displays the demand forecast amount of the demand bid group in the demand forecast amount display area 73, and displays the power purchase bid plan in the power purchase bid plan display. It is displayed in the area 74 (step S231).

When the bid button 75 is pressed by operating the power seller terminal ST, the power trading system 10 indicates that the bid is bid for the power purchase bid plan of the demand bid group selected in the demand bid group display area 72 (bid instruction). Is transmitted to (step S241).
Then, the electric power trading system 10 that has received the bidding instruction registers in the bidding database 23a that the bidding has been entered in the demand bidding group selected in the demand bidding group display area 72 (that the bidding has been made) (step). S242).

<3.3.3. Contract processing>
Next, the contract processing in step S260 will be described with reference to FIGS. 17 and 18.
FIG. 10 is a flowchart showing a contract procedure by the electric power trading system according to the embodiment of the present invention, and FIG. 18 shows an example of a power purchase bid display screen displayed on the power purchaser terminal when searching for a demand bidding group. It is a figure.

When the power purchaser confirms the bid for the power purchase bid plan (power purchase bid), the power purchaser accesses the power transaction system 10 by the power purchaser terminal BT and calls the power purchase bid confirmation screen data (step S261). ).
Upon receiving the call for the power purchase bid confirmation screen data, the power transaction system 10 transmits the power purchase bid confirmation screen data to the power purchaser terminal BT (step S262).
As a result, the power purchaser terminal BT displays the power purchase bid confirmation screen 80 as shown in FIG. 18 (step S263).

Here, the power purchase bid confirmation screen 80 will be described.
The power purchase bid confirmation screen 80 is composed of a power purchase bid search condition input area 81, a power purchase bid display area 82, and a contract button 83.

The power purchase bid search condition input area 81 is composed of a demand bid group name input field 81a, a bidder name input field 81b, a power purchase bid search button 81c, and a clear button 81d.

The demand bid group name input field 81a is a field for inputting a keyword when searching for a registered demand bid group.
The bidder name input field 81b is a field for inputting a keyword when searching for a bidder (power seller).
The power purchase bid search button 81c is a button for transmitting an instruction to search for a power purchase bid to the electric power trading system 10 based on the information input in the demand bid group name input field 81a and the bidder name input field 81b.
The clear button 81d is a button for deleting the information selected in the demand bid group name input field 81a and the bidder name input field 81b.

In the power purchase bid display area 82, the power purchase bid information transmitted from the power purchase bid information transmitting means 125 of the electric power trading system 10 is displayed one by one per line.
In each line of the power purchase bid display area 82, a demand bid group name, bidders, power purchase bid plans, and the like are displayed.
Further, each line of the power purchase bid display area 82 can be freely selected.

The contract button 83 transmits information on the power purchase bid selected in the power purchase bid display area 82 to the power trading system 10.

Returning to FIG. 17, the contract processing will be further described.
The power purchaser inputs a search condition for searching for a power purchase bid that is convenient for the power purchaser in the power generation bid search condition input area 81 by the power purchaser terminal BT.
Then, when the power purchase bid search button 81c is pressed by operating the power purchaser terminal BT, the power purchaser terminal BT sets the search condition of the power sale bid input in the power generation bid search condition input area 81 to the power trading system 10. (Step S264).

The electric power transaction system 10 that has received the search condition for the power purchase bid searches for a power purchase bid for the power purchase bid plan that matches the received search condition (step S265).
Then, the power purchase bid information transmission means 125 of the electric power transaction system 10 transmits the search result (information on the power purchase bid for the power purchase bid plan that matches the search condition) to the power purchaser terminal BT (step S266).

The power purchaser terminal BT that has received the search result from the power transaction system 10 displays the power purchase bid that matches the search condition in the power purchase bid display field 82 (step S267).

The power purchaser confirms the power purchase bid displayed in the power purchase bid display field 82 of the power purchase bid confirmation screen 80 by the power purchaser terminal BT, selects the most favorable power purchase bid, and selects the contract button 83. Press.
When the contract button 83 is pressed by operating the power purchaser terminal BT, one power purchase bid selected in the power purchase bid display field 82 is transmitted to the power transaction system 10 as a contract target (step S268).

Then, the power selling contract registration means 216 of the electric power trading system 10 that has received the information of the power purchase bid to be contracted registers one power purchase bid in the bid database 23a (step S269).
This completes the long-term bilateral transaction between the power buyer and the power seller.

<3.2.4. Summary>
The electric power trading system 10 of the present embodiment configured in this way bids a demand bidding group composed of one or more supply points under the jurisdiction of the power purchaser based on the instruction from the power purchaser terminal ST. That is, the demand bid group registration means 121 for registering at least the information of the demand bid group composed of two or more supply points under the jurisdiction of the power purchaser in the bid database 23a, and the demand bid group registration means 121 registered in the bid database 23a. The demand bid group search means 122 that searches the demand bid group based on the search conditions transmitted from the power seller terminal ST of the power seller, and the power seller of the power seller the search results by the demand bid group search means 122. By providing the demand bid information transmission means 123 for transmitting to the terminal ST, the power seller can freely select the demand bid group that has jurisdiction over a specific supply point, and the power is supplied from the demand bid group selected by the power seller. Since the power can be purchased, the power seller can realize a high degree of freedom in power procurement, such as procuring a demand bidding group that offers the highest bid price.

Further, the power purchase bid plan creation means 124 for creating the power purchase bid plan of the demand bid group in the power purchase period input from the power purchaser terminal BT of the power purchaser is further provided, and the demand bid information transmission means 123 is in demand. By transmitting the power purchase bid plan to the power seller terminal ST of the power seller as a search result by the bid group search means 122, the power seller carefully examines the demand bid group based on the power purchase bid plan and then makes a demand bid. Since the group can be selected, the matching accuracy between the power buyer and the power seller can be improved.

Further, the actual power consumption acquisition means 310 for acquiring the actual power consumption of the supply point up to the predetermined time, and the power demand forecast amount for each unit time of the supply point after the predetermined time based on the actual power consumption of the supply point. The power purchase bid plan created by the power purchase bid plan creation means 124 further includes the power demand forecast amount calculation means 320 for calculating the power consumption forecast amount for each unit time of each supply point belonging to the demand bid group. The demand bid group power demand forecast amount, which is the sum of the power consumption forecast amount for each unit time of each supply point belonging to the demand bid group, is transmitted by the demand bid information transmission means by including the power demand forecast amount of the demand bid group. Therefore, the power seller can confirm the magnitude of the time change of the power consumption of the power purchaser and realize the power sale.

Further, the power purchase bid information transmitting means 125 that displays the power purchase bid information of the power seller for the power purchase bid plan on the power purchaser terminal BT of the power purchaser, and one purchase selected based on the operation of the power purchaser. By further providing the power selling contract registration means 126 for registering the power bill in the bid database, the power purchaser can select the power seller to purchase the power after confirming the bid conditions. It is possible to further improve the matching accuracy between the electric power person and the electric power seller.

<4. Modification example>
Although the examples of the present invention have been described above, the present invention is not limited to the above.

For example, one power purchaser may purchase power from a plurality of power sellers using the power trading system of this embodiment.
Similarly, one electric power seller may sell electric power to a plurality of electric power buyers by using the electric power trading system of this embodiment.

For example, in this embodiment, the other electric power trading system is a JEPX electric power trading system, but the other electric power trading system is an electric power trading system other than JEPX if it is an electric power trading system for physical and forward trading of electric power. It may be a system.

For example, the electric power trading system 10 may be composed of a plurality of processing devices 20.
Specifically, the storage unit and the processing unit may be configured as separate processing devices.

For example, in the present embodiment, the processing performed by the electric power trading system 10 may be performed by the power seller terminal ST or the power purchaser terminal BT.

For example, in this embodiment, the "environmental data" may be meteorological data, forecast data, or calendar data stored in the meteorological database DB, but the situation around the power generation point for which the predicted power generation amount is to be calculated. The data is not limited to this as long as it is data related to the situation around the supply point for which the forecast amount of power demand is to be calculated.

For example, in this embodiment, various information is stored in the storage unit 23 of the processing device 20, but these information are not limited to storage in the storage unit 23, and are stored in, for example, a blockchain database. You may.

10 ・ ・ ・ Electricity transaction system 100 ・ ・ ・ Long-term bilateral transaction subsystem 110 ・ ・ ・ Power purchase transaction component 111 ・ ・ ・ Power generation bid group registration means 112 ・ ・ ・ Power generation bid group search means 113 ・ ・ ・ Power generation bid information transmission Means 114 ・ ・ ・ Power sale bid plan creation means 115 ・ ・ ・ Power sale bid information transmission means 116 ・ ・ ・ Power purchase contract registration means 120 ・ ・ ・ Power sale transaction component 121 ・ ・ ・ Demand bid group registration means 122 ・ ・・ Demand bid group search means 123 ・ ・ ・ Demand bid information transmission means 124 ・ ・ ・ Power purchase bid plan creation means 125 ・ ・ ・ Power purchase bid information transmission means 126 ・ ・ ・ Power purchase contract registration means 200 ・ ・ ・ Short-term supply and demand Adjustment subsystem 300 ・ ・ ・ Common subsystem 310 ・ ・ ・ Actual power consumption acquisition means 320 ・ ・ ・ Power demand forecast amount calculation means 330 ・ ・ ・ Power generation amount acquisition means 340 ・ ・ ・ Power generation forecast amount calculation means

20 ・ ・ ・ Processing device 21 ・ ・ ・ Communication unit 22 ・ ・ ・ Input unit 23 ・ ・ ・ Storage unit 23a ・ ・ ・ Bid database 24 ・ ・ ・ Processing unit

DB ・ ・ ・ Meteorological database NW ・ ・ ・ Network FSM ・ ・ ・ Forward power flow measurement meter RSM ・ ・ ・ Reverse power flow measurement meter ES ・ ・ ・ Other power trading system BT ・ ・ ・ Power purchaser terminal ST ・ ・ ・ Power sale Person terminal

The present invention relates to an electric power trading system, an electric power trading method, and an electric power trading program that support electric power trading between a power purchaser who wants to purchase electric power and a power seller who wants to sell electric power.

From April 1, 2016, the entry into the electricity retail business was completely liberalized, and electric power, which was previously only able to contract with the electric power company (former general electric power company) decided in the region, has newly entered. It is now possible to freely select and contract an electric power company, including new electric power.

Therefore, there is known an electric power trading system in which an electric power purchaser can purchase electric power from an optimal electric power seller in order to reduce the electric power procurement cost (for example, Non-Patent Document 1).

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The above-mentioned electric power trading system is a system used by electric power buyers, and cannot be used by electric power sellers who want to sell electricity at the highest possible price.
In addition, the power purchaser could freely select the power generation bidding group that has jurisdiction over a specific power generation point, and could not procure power from the power generation bidding group selected by the power purchaser himself.
Therefore, in the conventional electric power trading system, it is not possible to realize electric power trading with a high degree of freedom for electric power traders such as electric power buyers and electric power sellers, and there is room for further improvement.

Therefore, the present invention solves the problems of the prior art as described above, that is, the object of the present invention is an electric power trading system and an electric power trading method that realizes electric power trading with a high degree of freedom for electric power traders. And to provide an electricity trading program.

The invention according to claim 1 includes a processing device and a bidding database, and is connected to a power purchaser terminal of a power purchaser who wants to purchase power and a power seller terminal of a power seller who wants to sell power. Information of a power generation bidding group in which a power generation terminal is a power generation trading system that supports a power generation transaction between a power purchaser and a power seller, and the power generation terminal is composed of power generation points under the jurisdiction of the power seller. Is transmitted to the processing device, the power purchaser terminal transmits a search condition for the power generation bidding group to the processing device, and the processing device transmits the power generation point under the jurisdiction of the power seller. A power generation bid group registration means for registering information of a power generation bid group composed of two or more power generation points selected on the power seller terminal in at least the bid database based on an instruction from the power seller terminal, and the above. A power generation bid group search means for searching the information of the power generation bid group registered in the bid database based on the search conditions transmitted from the power purchaser terminal of the power purchaser, and a search by the power generation bid group search means. The above-mentioned problem is solved by providing the power generation bid information transmission means for transmitting the result to the power purchaser terminal of the power purchaser.

In the invention according to claim 2, in addition to the configuration of the electric power trading system according to claim 1, the power generation bidding group in the electric power sale period in which the processing apparatus is input from the electric power seller terminal of the electric power seller. The power generation bid information transmission means of the processing device further comprises a power sale bid plan creation means for creating the power sale bid plan of the power generation bid group, and the power generation bid information transmission means of the power generation bid group is used as a search result by the power generation bid group search means. By transmitting to the power purchaser terminal, the above-mentioned problems are further solved.

The invention according to claim 3 has the above-mentioned problem because, in addition to the configuration of the electric power trading system according to claim 2, the electric power sale bidding plan includes information for specifying the electric power source of the power generation bidding group. Is a further solution.

In the invention according to claim 4, in addition to the configuration of the electric power trading system according to claim 2 or 3, the processing apparatus provides information on the electricity selling bid of the electricity purchaser with respect to the electricity selling bidding plan. A means for transmitting power-selling bid information to be transmitted to the power-selling terminal of the power-selling person, and a means for registering a power-buying contract for contract registration of one of the power-selling bids selected based on the operation of the power-selling person in the bidding database. By further providing the above-mentioned problems, the above-mentioned problems can be further solved.

The invention according to claim 5 includes a processing device and a bidding database, and is connected to a power purchaser terminal of a power purchaser who wants to purchase power and a power seller terminal of a power seller who wants to sell power. Information on a demand bidding group in which a power trading system that supports a power transaction between a power purchaser and a power seller, wherein the power purchaser terminal is composed of supply points under the jurisdiction of the power purchaser. Is transmitted to the processing device, the power seller terminal transmits a search condition for the demand bidding group to the processing device, and the processing device transmits the search condition from the supply point under the jurisdiction of the power purchaser. A demand bidding group registration means for registering information of a demand bidding group composed of two or more supply points selected on the power purchaser terminal in at least the bidding database based on an instruction from the power purchaser terminal, and the above. A demand bid group search means for searching information of the demand bid group registered in the bid database based on the search conditions transmitted from the power seller terminal of the power seller, and a search by the demand bid group search means. The above-mentioned problem is solved by providing the demand bid information transmitting means for transmitting the result to the power seller terminal of the power seller.

In the invention according to claim 6, in addition to the configuration of the electric power trading system according to claim 5, the demand bidding group in the electric power purchase period in which the processing device is input from the electric power purchaser terminal of the electric power purchaser. The power purchase bid plan creation means for creating the power purchase bid plan is further provided, and the demand bid information transmission means of the processing device uses the power purchase bid plan as a search result by the demand bid group search means of the power seller. By transmitting to the power seller terminal, the above-mentioned problems are further solved.

In the invention according to claim 7, in addition to the configuration of the electric power trading system according to claim 5, the electric power actual consumption acquisition means for the processing apparatus to acquire the actual electric power consumption of the supply point up to a predetermined time. Further, the power purchase bid plan is further provided with a power demand forecast amount calculation means for calculating the power demand forecast amount for each unit time of the supply point after a predetermined time based on the power actual power consumption amount of the supply point. The above-mentioned problem is further solved by including the demand bidding group power demand forecasting amount which is the sum of the power demand forecasting amounts for each unit time of each of the supply points constituting the demand bidding group.

In the invention according to claim 8, in addition to the configuration of the electric power trading system according to claim 6 or 7, the processing apparatus provides information on the power purchase bid of the power seller for the power purchase bid plan. A means for transmitting power purchase bid information displayed on the power purchaser terminal of the power purchaser, and a power selling contract registration means for contracting and registering one of the power purchase bids selected based on the operation of the power purchaser in the bid database. By further providing the above-mentioned problems, the above-mentioned problems can be further solved.

The invention according to claim 9 includes a processing device having a power generation bid group registration means, a power generation bid group search means, and a power generation bid information transmission means, and a bid database, and is a power purchaser of a power purchaser who wishes to purchase power. A power trading method for supporting a power transaction between the power purchaser and the power seller by a power trading system to which the terminal and the power seller terminal of the power seller who wishes to sell the power are connected. From the power seller terminal, the power generation bid group registration means of the processing device is composed of two or more power generation points selected from the power generation points on the power seller terminal under the jurisdiction of the power seller. From the power purchaser terminal of the power purchaser, at least the step of registering the power generation bid group in the bid database based on the instruction of the power generation bidder and the information of the power generation bid group registered in the power generation bid group by the power generation bid group search means of the processing device. The step of searching based on the transmitted search condition for the power generation bid group and the power generation bid information transmission means of the processing device transmit the search result by the power generation bid group search means to the power purchaser terminal of the power purchaser. By providing steps, the above-mentioned problems are solved.

The invention according to claim 10 includes a processing device having a demand bid group registration means, a demand bid group search means, and a demand bid information transmission means, and a bid database, and is a power purchaser of a power purchaser who wishes to purchase power. A power trading method for supporting a power transaction between the power purchaser and the power seller by a power trading system to which the terminal and the power seller terminal of the power seller who wishes to sell the power are connected. The information of the demand bidding group composed of two or more supply points selected on the power purchaser terminal from the supply point under the jurisdiction of the power purchaser by the demand bid group registration means of the processing device is transmitted from the power purchaser terminal. At least the step of registering in the bid database based on the instruction of the above, and the information of the demand bid group registered in the bid database by the demand bid group search means of the processing device from the power seller terminal of the power seller. The step of searching based on the transmitted search condition for the demand bid group and the demand bid information transmission means of the processing device transmit the search result by the demand bid group search means to the power seller terminal of the power seller. By providing the steps, the above-mentioned problems are solved.

The invention according to claim 11 is an electric power trading program that supports an electric power transaction between a power purchaser who wants to purchase electric power and a power seller who wants to sell electric power, and is claimed 9 or 10. The above-mentioned problem is solved by causing the processing apparatus to execute each step of the electric power trading method described in the above.

Here, the "power purchaser" in the present invention is a person who has jurisdiction over one or more electricity supply points specified by the supply point identification number, and is assigned a supply point identification number (electricity). (Consumers, etc. who are the main contractors of various contracts) and those who are not assigned a supply point specific number (a retail electricity company that supplies electricity to consumers, an agent (agency for the conclusion of retail supply contracts) Person), etc.).
Further, the "power seller" in the present invention is a person who has jurisdiction over one or more power generation points of electricity specified by the power receiving point identification number, and possesses a power generation facility in which the power receiving point identification number is set. (Power generation companies under the Electricity Business Law such as electric power companies and gas companies, power generation equipment owners who own power generation equipment and wish to sell the power generated by the power generation equipment), and the power receiving point identification number Those who do not own the set power generation equipment but have concluded a contract (power generation adjustment supply contract) with the power transmission and distribution company that is responsible for power generation adjustment (power generation adjustment supply contract) (retail electric power company, it is effective to bundle the power demand of consumers It means an aggregator, etc. that provides energy management services to.
Further, the "jurisdiction" in the present invention includes not only the meaning of "ownership" but also the meaning of "management by contract".

According to the power trading system of the invention according to claim 1, information of a power generation bidding group in which the processing device is composed of two or more power generation points selected on the power seller terminal from the power generation points under the jurisdiction of the power seller. The power generation bid group registration means for registering at least the power generation bid group in the bid database based on the instruction from the power seller terminal, and the information of the power generation bid group registered in this bid database are transmitted from the power purchaser terminal of the power purchaser. By providing a power generation bid group search means for searching based on search conditions and a power generation bid information transmission means for transmitting the search result by this power generation bid group search means to the power purchaser terminal of the power purchaser, the power purchase Since the person can freely select the power generation bidding group that has jurisdiction over a specific power generation point and can procure power from the power generation bidding group selected by the power purchaser himself, the power purchaser can select the power generation bidding group that offers the cheapest selling price. It is possible to realize power generation with a high degree of freedom for the purchaser, such as procuring power.

According to the power trading system of the invention according to claim 2, in addition to the effect of the power trading system of the invention according to claim 1, the processing apparatus has a power sale period input from the power seller terminal of the power seller. Further equipped with a means for creating a power-selling bid plan for creating a power-selling bid plan for a power generation bid group in By sending to the power purchaser terminal, the power purchaser can select the power generation bid group after carefully examining the power generation bid group based on the power sale bid plan, so that the matching accuracy between the power purchaser and the power seller can be selected. Can be improved.

According to the electric power trading system of the invention according to claim 3, in addition to the effect of the electric power trading system of the invention according to claim 2, the electric power sale bidding plan includes information specifying the electric power source of the power generation bidding group. This allows the power purchaser to select a power generation bidding group that has jurisdiction over a specific power source, so that the power purchaser can easily realize power procurement such that the energy required for business operation is 100% renewable energy. be able to.

According to the electric power trading system of the invention according to claim 4, in addition to the effect of the electric power trading system of the invention according to claim 2 or 3, the processing apparatus sells the electric power of the power purchaser to the electric power selling bidding plan. A power-selling bid information transmitting means for transmitting bid information to the power-selling terminal of the power-selling person, and a power-buying contract registration means for contract-registering one power-selling bid selected based on the operation of the power-selling person in the bid database. By further providing, the power purchaser can select the power seller who purchases the power after confirming the bid conditions, so that the matching accuracy between the power purchaser and the power seller can be further improved. Can be done.

According to the power trading system of the invention according to claim 5, the information of the demand bidding group in which the processing device is composed of two or more supply points selected on the power purchaser terminal from the supply points under the jurisdiction of the power purchaser. Is transmitted from the power seller terminal of the power seller, at least the demand bid group registration means for registering the power in the bid database based on the instruction from the power purchaser terminal, and the information of the demand bid group registered in this bid database. By providing a demand bid group search means for searching based on search conditions and a demand bid information transmission means for transmitting the search results by the demand bid group search means to the power seller terminal of the power seller, the power is sold. Since the person can freely select the demand bidding group that has jurisdiction over a specific supply point and can purchase electricity from the demand bidding group selected by the power seller himself, the power seller selects the demand bidding group that offers the highest bid price. It is possible to realize power procurement with a high degree of freedom for the seller, such as procuring power.

According to the power trading system of the invention according to claim 6, in addition to the effect of the power trading system of the invention according to claim 5, the processing apparatus has a power purchase period input from the power purchaser terminal of the power purchaser. Further equipped with a means for creating a power purchase bid plan for creating a power purchase bid plan for a demand bid group in the above, the demand bid information transmission means of the processing device sells the power purchase bid plan as a search result by the demand bid group search means. By sending to the power seller terminal, the power seller can select the demand bid group after carefully examining the demand bid group based on the power purchase bid plan, so that the matching accuracy between the power purchaser and the power seller can be selected. Can be improved.

According to the electric power trading system of the invention of claim 7, in addition to the effect of the electric power trading system of the invention of claim 6, the electric power of the processing apparatus to acquire the actual electric power consumption of the supply point by a predetermined time. A power purchase bid plan is further equipped with a means for acquiring actual power consumption and a means for calculating power demand forecast amount for each unit time of the power supply point after a predetermined time based on the actual power consumption at the supply point. However, by including the demand bid group power demand forecast amount, which is the sum of the unit time power demand forecast amounts of each supply point constituting the demand bid group, the power demand of each supply point belonging to the demand bid group per unit time. Since the demand bid group power demand forecast amount, which is the sum of the forecast amounts, is transmitted by the demand bid information transmission means, the power seller can confirm the magnitude of the time change of the power consumption of the power purchaser and realize the power sale. can.

According to the electric power trading system of the invention according to claim 8, in addition to the effect of the electric power trading system of the invention according to claim 6 or 7, the processing apparatus purchases electric power of the seller for the electric power purchase bidding plan. A power-buying bid information transmission means for displaying bid information on the power-buyer terminal of the power-buying person, and a power-selling contract registration means for contract-registering one power-buying bid selected based on the operation of the power-buying person in the bid database. By further providing, the power purchaser can select the power seller who purchases the power after confirming the bid conditions, so that the matching accuracy between the power purchaser and the power seller can be further improved. can.

According to the power generation method of the invention according to claim 9, the power generation bidding group registration means of the processing device is composed of two or more power generation points selected from the power generation points on the power seller terminal under the jurisdiction of the power seller. At least the step of registering the power generation bid group information in the bid database based on the instruction from the power seller terminal, and the power generation bid group information of the power generation bid group search means registered in the bid database of the processing device is the power purchaser. The step of searching based on the search conditions related to the power generation bid group transmitted from the power purchaser terminal of the power generation bidder, and the power generation bid information transmission means of the processing device transfers the search result by the power generation bid group search means to the power generation buyer terminal of the power purchaser. By providing a step of transmitting, the power purchaser can freely select the power generation bid group that has jurisdiction over a specific power generation point, and the power purchaser can procure power from the power generation bid group selected by himself / herself. The electric power generation can realize a high degree of freedom for the electric power purchaser, such as procuring the electric power from the power generation bidding group that offers the cheapest selling price.

According to the power trading method of the invention according to claim 10, the demand bidding group registration means of the processing device is composed of two or more supply points selected on the power purchaser terminal from the supply points under the jurisdiction of the power purchaser. At least the step of registering the information of the demand bid group in the bid database based on the instruction from the power purchaser terminal, and the demand bid group information registered in the bid database by the demand bid group search means of the processing device is the power seller. The step of searching based on the search conditions related to the demand bid group transmitted from the power seller terminal of the power seller, and the demand bid information transmission means of the processing device transfers the search result by the demand bid group search means to the power seller terminal of the power seller. By providing a step of transmitting, the power seller can freely select the demand bidding group that has jurisdiction over a specific supply point, and the power seller can purchase power from the demand bidding group selected by the power seller himself. The electrician can realize the electric power procurement with a high degree of freedom for the electric power seller, such as procuring the demand bidding group that offers the highest bid price.

According to the power trading program of the invention according to claim 11, the power purchaser has jurisdiction over a specific power generation point by causing the processing apparatus to execute each step of the power trading method according to claim 9 or 10. Since the power generation bidding group can be freely selected and the power can be procured from the power generation bidding group selected by the power purchaser himself, the power purchaser can procure the power from the power generation bidding group that offers the cheapest selling price. It is possible to realize electricity procurement with a high degree of freedom for the person.
Alternatively, the power seller offers the highest bid price because the power seller can freely select the demand bidding group that has jurisdiction over a specific supply point and can purchase power from the demand bidding group selected by the power seller himself. It is possible to realize power procurement with a high degree of freedom for the power seller, such as procuring a demand bidding group.

FIG. 3 is a network configuration diagram to which an electric power trading system according to an embodiment of the present invention is connected. The system configuration diagram of the electric power trading system shown in FIG. Device configuration diagram of the processing device. The flowchart which shows the prediction procedure of the electric power demand amount of a supply point by the electric power trading system which is an embodiment of this invention. The flowchart which shows the prediction procedure of the power generation amount of the power generation point by the power transaction system which is an Example of this invention. The flowchart which shows the electric power purchase procedure by the electric power purchaser using the electric power transaction system which is an embodiment of this invention. The flowchart which shows the registration procedure of the power generation bidding group by the electric power trading system which is an embodiment of this invention. The figure which shows an example of the power generation bidding group setting screen displayed on the power seller terminal when registering a power generation bidding group. The figure which shows an example of the power generation bid group setting screen displayed on the power seller terminal at the time of registration of a power generation bid group. The flowchart which shows the search procedure of the power generation bidding group by the electric power trading system which is an embodiment of this invention. The figure which shows an example of the power generation bid group search screen displayed on the power seller terminal when searching the power generation bid group. The flowchart which shows the contract procedure by the electric power trading system which is an Example of this invention. The figure which shows an example of the power sale bid display screen displayed on the power seller terminal when searching the power generation bid group. The flowchart which shows the electric power sales procedure by the electric power seller using the electric power transaction system which is an embodiment of this invention. The flowchart which shows the registration procedure of the demand bidding group by the electric power transaction system which is an Example of this invention. The figure which shows an example of the demand bid group setting screen displayed on the power purchaser terminal when registering a demand bid group. The figure which shows an example of the demand bid group setting screen displayed on the power purchaser terminal when registering a demand bid group. The flowchart which shows the search procedure of the demand bidding group by the electric power transaction system which is an embodiment of this invention. The figure which shows an example of the demand bid group search screen displayed on a power purchaser terminal when searching for a demand bid group. The flowchart which shows the contract procedure by the electric power trading system which is an Example of this invention. The figure which shows an example of the power purchase bid display screen displayed on the power purchaser terminal when searching the demand bid group.

In the power trading system of the present invention, the processing device transfers information of a power generation bidding group composed of two or more power generation points selected on the power seller terminal from the power generation points under the jurisdiction of the power seller from the power seller terminal. At least the power generation bid group registration method to be registered in the bid database based on the instruction of, and the information of the power generation bid group registered in this bid database are searched based on the search conditions sent from the power purchaser terminal of the power purchaser. By providing a power generation bid group search means for power generation and a power generation bid information transmission means for transmitting the search result by the power generation bid group search means to the power purchaser terminal of the power purchaser, the processing device also purchases power. A demand bidding group that registers at least the information of a demand bidding group consisting of two or more supply points selected on the power purchaser terminal from the supply points under the jurisdiction of the power generator in the bid database based on the instruction from the power purchaser terminal. The registration means, the demand bid group search means for searching the information of the demand bid group registered in this bid database based on the search conditions transmitted from the power seller terminal of the power seller, and the demand bid group search means. If it is possible to realize power generation with a high degree of freedom for the power generation trader by providing a demand bid information transmission means for transmitting the search result by the power generation seller to the power generation terminal of the power generation, the specific method is specified. The embodiment may be any.

Further, the power generation trading method of the present invention is a power generation bidding group in which the power generation bidding group registration means of the processing device is composed of two or more power generation points selected from the power generation points on the power seller terminal under the jurisdiction of the power seller. At least the step of registering the information in the bid database based on the instruction from the power seller terminal, and the power generation bid group search means registered in the bid database of the processing device is the power generation bid group information of the power purchaser. It includes a step of searching based on the search condition transmitted from the terminal, and a step of the power generation bid information transmission means of the processing device transmitting the search result by the power generation bid group search means to the power purchaser terminal of the power purchaser. As a result, the power purchaser also obtains information on the demand bidding group composed of two or more supply points selected on the power purchaser terminal from the supply points under the jurisdiction of the power purchaser by the demand bid group registration means of the processing device. At least the step of registering in the bid database based on the instruction from the terminal and the information of the demand bid group registered in the bid database by the demand bid group search means of the processing device are transmitted from the power seller terminal of the power seller. The step of searching based on the search condition regarding the power generation bid group and the step of transmitting the search result by the demand bid group search means to the power seller terminal of the power seller shall be provided by the demand bid information transmission means of the processing device. As long as it realizes power generation with a high degree of freedom for the power generation trader, the specific embodiment thereof may be any.

Further, in the power trading program of the present invention, the power generation bidding group registration means of the processing device is a power generation bidding group composed of two or more power generation points selected from the power generation points on the power seller terminal under the jurisdiction of the power seller. At least the step of registering the information in the bid database based on the instruction from the power seller terminal, and the power generation bid group search means registered in the bid database of the processing device is the information of the power generation bid group of the power purchaser. The processing device has a step of searching based on the search conditions transmitted from the terminal and a step of the processing device's power generation bid information transmission means transmitting the search result by the power generation bid group search means to the power purchaser's power purchaser terminal. By executing, the demand bidding group registration means of the processing device buys the information of the demand bidding group composed of two or more supply points selected on the power purchaser terminal from the supply points under the jurisdiction of the power purchaser. At least the step of registering in the bid database based on the instruction from the power seller terminal, and the demand bid group search means registered in the bid database of the processing device sends the information of the demand bid group registered in the bid database from the power seller terminal of the power seller. The processing device includes a step of searching based on the search conditions related to the demand bid group that has been made, and a step that the demand bid information transmitting means of the processing device transmits the search result by the demand bidding group search means to the power seller terminal of the power seller. Any specific embodiment may be used as long as it realizes power trading with a high degree of freedom for the power trader.

For example, the power purchaser terminal and the power seller terminal may be any mobile phone, smartphone, tablet, personal computer, or the like as long as they have a communication function.

Hereinafter, an electric power trading system, an electric power trading method, and an electric power trading program, which are examples of the present invention, will be described with reference to FIGS. 1 to 18.

<1. Overview of the network to which the power trading system is connected>
First, an outline of a network to which the electric power trading system 10 according to the embodiment of the present invention is connected will be described with reference to FIG.
FIG. 1 is a network configuration diagram to which an electric power trading system according to an embodiment of the present invention is connected.

As shown in FIG. 1, the electric power trading system 10 according to the embodiment of the present invention is connected to the network NW.
The network NW may be, for example, the Internet, an intranet that can be accessed only by a specific user, or a network in which these are combined.

The network NW includes the meteorological database DB referred to by the electric power trading system 10 and the electric power trading in the wholesale electric power trading market operated by other electric power trading system ES (specifically, JEPX (Japan Electric Power Exchange). System) etc. are connected.
In addition, a power transmission and distribution business operator that maintains a balance of power demand is also connected to this network NW.
A transmission and distribution business operator is a business operator that lays and maintains a transmission and distribution network and monitors the usage status of the transmission and distribution network (transmission and distribution destination, transmission and distribution amount, etc.).

Further, a power purchaser terminal BT owned by a power purchaser who wants to purchase electric power and a power seller terminal ST owned by a power seller who wants to sell electric power are also connected to this network NW.

The consumer has one or more electricity supply points specified by the supply point identification number, is the contracting entity of various electric power contracts, and has a power purchaser terminal BT.
At each of the customer's supply points, a forward flow meter FSM that digitally measures electric power and is connected to the network NW is installed.
This forward power flow meter FSM grasps the amount of electric power used in each predetermined cycle and transmits it to a power transmission and distribution business operator via a network NW, and includes, for example, a forward power flow smart meter.
The cycle in which the forward tide meter FSM grasps the amount of electric power used is, for example, a demand control cycle (a 30-minute cycle is common in Japan), but the cycle is not particularly limited.
Further, each supply point may be equipped with a power management system including a HEMS integrated with or separately from the forward flow measuring meter FSM.

The power generation company has one or more power generation points of electricity specified by the power receiving point identification number, and has a power seller terminal ST.
This power generation company owns power generation facilities (generators installed in thermal power plants, wind power plants, nuclear power plants, solar power plants, etc.) and controls and monitors each power generation facility. Is a person.
At each of the power generation points of the power generation company, a reverse power flow meter RSM connected to the network NW is installed while digitally measuring the electric power.
This reverse power flow measuring meter RSM grasps the amount of power generation for each predetermined cycle and transmits it to the power transmission and distribution business operator via the network NW, and includes, for example, a reverse power flow smart meter and the like.
The cycle in which the reverse power flow meter RSM grasps the amount of power generation or the like is, for example, a demand control cycle, but the cycle is not particularly limited.

In addition, this network NW is engaged in the business of retail electric power companies that supply electricity to consumers, aggregators that bundle the electricity demand of consumers and effectively provide energy management services, and mediation of the conclusion of retail supply contracts. An agent is connected.
A retail electric power company possesses at least one of a power purchaser terminal BT and a power seller terminal ST because it can be a power purchaser who wants to purchase electric power or a power seller who wants to sell electric power. ing.
Since the aggregator corresponds to a power seller who wants to sell electric power, he / she has a power seller terminal ST.
The agent has a power purchaser terminal BT because it corresponds to a power purchaser who wants to purchase electric power.

<2. Overview of electricity trading system>
Next, an outline of the electric power trading system 10 will be described with reference to FIGS. 1 to 3.
FIG. 2 is a system configuration diagram of the electric power trading system shown in FIG. 1, and FIG. 3 is a device configuration diagram of a processing device.

As shown in FIGS. 1 and 2, the electric power trading system 10 is a long-term bilateral trading subsystem 100 that supports electric power trading between a power purchaser who wants to purchase electric power and a power seller who wants to sell electric power. The short-term supply-demand adjustment system 200 that adjusts the power supply-supply balance between supply points on the day before the power supply date and the day of the power supply date to minimize the imbalance amount in the planned value simultaneous equal amount system, and the long-term bilateral trading subsystem 100. And a common subsystem 300 that carries out processing common to the short-term supply and demand adjustment system 200.

<2.1. Long-term bilateral trading subsystem ＞
As shown in FIGS. 1 and 2, the long-term bilateral transaction subsystem 100 includes a power purchase transaction component 110 for conducting a power transaction mainly by a power purchaser and a power sale transaction component for conducting a power transaction mainly by a power seller. It has 120 and.

As shown in FIG. 2, the power purchase transaction component 110 includes a power generation bid group registration means 111, a power generation bid group search means 112, a power generation bid information transmission means 113, a power sale bid plan creation means 114, and a power sale bid. It has an information transmission means 115 and a power purchase contract registration means 116.

The power generation bidding group registration means 111 registers a power generation bidding group (for example, GA1 shown in FIG. 1) composed of one or more power generation points under the jurisdiction of the seller in the bidding database 23a (see FIG. 3) described later.
The power generation bidding group search means 112 searches for a power generation bidding group registered in the bidding database 23a.
The power generation bid information transmission means 113 transmits the power sale bid plan to the power purchaser terminal BT of the power purchaser as a search result by the power generation bid group search means 112.
The power selling bid plan creating means 114 creates a power selling bid plan for the power generation bidding group during the power selling period input from the power selling terminal ST of the power seller.
The power selling bid information transmitting means 115 transmits the information of the power selling bid of the power purchaser to the power selling bid plan by the power seller to the power seller terminal ST of the power seller.
The power purchase contract registration means 116 contracts and registers one power sale bid selected based on the operation of the power seller in the bid database 23a.

As shown in FIG. 2, the power sale transaction component 120 includes a demand bid group registration means 121, a demand bid group search means 122, a demand bid information transmission means 123, a power purchase bid plan creation means 124, and a power purchase bid. It has an information transmitting means 125 and a power selling contract registration means 126.

The demand bidding group registration means 121 registers a demand bidding group (for example, GX1 shown in FIG. 1) composed of one or more supply points under the jurisdiction of the power purchaser in the bidding database 23a.
The demand bid group search means 122 searches for a demand bid group registered in the bid database 23a.
The demand bid information transmission means 123 transmits the power purchase bid plan to the power seller terminal ST of the power seller as a search result by the demand bid group search means 122.
The power purchase bid plan creation means 124 creates a power purchase bid plan for the demand bidding group during the power purchase period input from the power purchaser terminal BT of the power purchaser.
The power purchase bid information transmitting means 125 transmits the information of the power purchase bid of the power seller to the power purchase bid plan by the power purchaser to the power purchaser terminal BT of the power purchaser.
The power sale contract registration means 126 contracts and registers one power purchase bid selected based on the operation of the power purchaser in the bid database 23a.

<2.2. Common subsystem>
As shown in FIG. 2, the common subsystem 300 includes at least an actual power consumption amount acquisition unit 310, a power demand forecast amount calculation unit 320, a power generation amount acquisition unit 330, and a power generation forecast amount calculation unit 340. ..

The actual power consumption acquisition means 310 acquires the actual power consumption at a predetermined supply point up to a predetermined time.
The electric power demand forecast amount calculating means 320 calculates the electric power demand forecast amount of the supply point after a predetermined time based on the electric power actual consumption amount of the supply point acquired by the electric power actual consumption amount acquisition means 310.
The power generation amount acquisition means 330 acquires the power generation amount at a predetermined power generation point up to a predetermined time.
The power generation prediction amount calculation means 340 calculates the power generation prediction amount of the power generation point after a predetermined time based on the power generation amount of the power generation point acquired by the power generation amount acquisition means 330.

<2.3. Processing equipment>
The electric power trading system 10 configured as described above is composed of at least one processing device 20.
The processing device 20 has a communication unit 21 connected to the network NW, an input / output unit 22 such as a man-machine interface that inputs information from the outside or outputs information to the outside, and a communication unit 21 from the network NW. It is input from the storage unit 23 that stores the acquired data, the input from the input / output unit 22, the power trading program, etc., and the data and the input / output unit 22 obtained from the network NW by the power trading program stored in the storage unit 23. It is provided with a processing unit 24 for processing the information and the like.
The storage unit 23 has a bidding database 23a for storing the progress of electric power transactions between the power purchaser and the power seller.
The processing device 20 configured in this way constitutes each component and each means of each subsystem of the electric power trading system 10.

<3. Electricity trading method>
Next, a power trading method by the power trading program stored in the power trading system 10 shown in FIGS. 1 and 2 and the processing device 20 shown in FIG. 3 will be described with reference to FIGS. 4A to 18.

<3.1. Acquisition of actual power consumption and power generation, and forecast of power demand and power generation>
First, based on FIGS. 4A and 4B, acquisition of actual power consumption at a supply point by the common subsystem 300 of the power trading system 10 and prediction of power demand, and power generation by the common subsystem 300 of the power trading system 10 The acquisition of the power generation amount at the point and the prediction of the power generation amount will be explained.
FIG. 4A is a flowchart showing a procedure for predicting the amount of power demand at a supply point by the power trading system according to the embodiment of the present invention, and FIG. 4B shows the prediction of the amount of power generated at the power generation point by the power trading system according to the embodiment of the present invention. It is a flowchart which shows the procedure.

<3.1.1. Acquisition of actual power consumption at supply points and calculation of power demand forecast>
First, the acquisition of the actual power consumption at the supply point and the calculation of the power demand forecast amount will be described with reference to FIG. 4A.

The acquisition of the actual power consumption at the supply point by the power trading system 10 is performed by the actual power consumption acquisition means 310 of the common subsystem 300.
The prediction of the electric power demand amount at the supply point (calculation of the electric power demand forecast amount) by the electric power trading system 10 is performed by the electric power demand forecast amount calculation means 320 of the common subsystem 300.

It should be noted that the acquisition of the actual power consumption by the actual power consumption acquisition means 310 and the prediction of the power demand amount by the power demand forecast amount calculation means 320 may be performed at any timing.
Further, the supply points from which the actual power consumption acquisition means 310 acquires the actual power consumption may be all supply points or some supply points.
Similarly, the supply points for which the electric power demand forecast amount calculation means 320 predicts the electric power demand amount may be all supply points or some supply points.

The actual power consumption acquisition means 310 of the power trading system 10 has a power consumption amount every 30 minutes at a predetermined (for example, all) supply points for the past minutes (for example, for the past one year from a predetermined start time) [ kWh] is acquired from the forward power flow meter FSM provided at each supply point via the power transmission and distribution business operator (step S10).
In the case of the first year when the forward power flow measuring meter FSM is installed, the actual power consumption acquisition means 310 obtains the actual power consumption every 30 minutes from the power transmission and distribution business operator.
Further, when the supply point itself is new, or when the actual power consumption of the supply point cannot be acquired, the actual power consumption acquisition means 310 estimates the actual power consumption by the existing power consumption model.

Next, the electric power demand forecast amount calculating means 320 of the electric power trading system 10 acquires the environmental data of each supply point and stores it in the storage unit 23 of the processing device 20 (step S11).
The "environmental data of the supply point" here means the weather data (temperature, humidity, pressure, solar radiation amount, rainfall amount) for the past year of each supply point acquired from the weather database DB by the power demand forecast amount calculation means 320. Etc.), weather forecast data for 84 hours at each supply point, or calendar data recording holidays and holidays.

Next, the electric power demand forecast amount calculating means 320 of the electric power trading system 10 acquires the actual electric power consumption for the past based on the actual electric power consumption for the past acquired in step S10 and the environmental data acquired in step S11. A power demand forecast amount [kWh] every 30 minutes for a predetermined period (for example, one year) at each supply point is calculated and stored in the storage unit 23 of the processing device 20 (step S12).

<3.1.2. Acquisition of power generation amount at power generation point and prediction of power generation amount>
Subsequently, the acquisition of the power generation amount at the power generation point and the calculation of the power generation predicted amount will be described with reference to FIG. 4B.

The acquisition of the power generation amount at the power generation point by the power transaction system 10 is performed by the power generation amount acquisition means 330 of the common subsystem 300.
The prediction of the power generation amount at the power generation point (calculation of the power generation prediction amount) by the power transaction system 10 is performed by the power generation prediction amount calculation means 340 of the common subsystem 300.

The acquisition of the power generation amount by the power generation amount acquisition means 330 and the prediction of the power generation amount by the power generation prediction amount calculation means 340 may be performed at any timing.
Further, the power generation points at which the power generation amount acquisition means 330 acquires the power generation amount may be all power generation points or some power generation points.
Similarly, the power generation points for which the power generation prediction amount calculation means 340 predicts the power generation amount may be all power generation points or some power generation points.

The power generation amount acquisition means 330 of the power trading system 10 obtains the power generation amount [kWh] every 30 minutes at a predetermined (for example, all) power generation points for the past (for example, for the past one year from a predetermined start date). It is acquired from the reverse power flow meter RSM provided at the power generation point via the power transmission and distribution business operator and stored in the storage unit 23 of the processing device 20 (step S20).
In the case of the first year when the reverse power flow measuring meter RSM is installed, the power generation amount acquisition means 330 obtains the power generation amount every 30 minutes from the power transmission and distribution business operator.
If the power generation point itself is new, or if the power generation amount at the power generation point cannot be acquired, the power generation amount acquisition means 330 estimates the power generation amount using the existing power generation model.

Next, the power generation prediction amount calculation means 340 of the electric power trading system 10 acquires the environmental data of each power generation point and stores it in the storage unit 23 of the processing device 20 (step S21).
The "environmental data of the power generation point" here means the weather data (temperature, humidity, pressure, solar radiation amount, rainfall amount, etc.) for the past year of each power generation point acquired from the weather database DB by the power generation forecast amount calculation means 340. ), Weather forecast data for 84 hours at each power generation point, or calendar data recording holidays and holidays.

Next, the power generation prediction amount calculation means 340 of the power trading system 10 is at each power generation point where the past power generation amount is acquired based on the past power generation amount acquired in step S20 and the environmental data acquired in step S21. The predicted power generation amount [kWh] every 30 minutes for a predetermined period (for example, one year) is calculated and stored in the storage unit 23 of the processing device 20 (step S22).

<3.2. Power purchase by the purchaser ＞
Subsequently, the procedure for purchasing electric power by the power purchaser will be described with reference to FIGS. 5 to 11.

First, an outline of the power purchase procedure by the power purchaser will be described with reference to FIG.
FIG. 5 is a flowchart showing a procedure for purchasing electric power by a power purchaser using the electric power trading system according to the embodiment of the present invention.

When the power purchaser selects a power generation bidding group to purchase power, as shown in FIG. 5, the power seller first registers the power generation bidding group in advance (step S100), and then the power purchaser. Searches for a power generation bidding group (step S120) and bids for power selling against the power selling bidding plan (step S140).
After that, the power seller confirms the power sale bid and performs the contract processing (step S160).
Hereinafter, each step will be described in detail.

<3.2.1. Registration of power generation bidding group>
First, the registration of the power generation bidding group by the power seller in step S100 will be described with reference to FIGS. 6 to 7B.
FIG. 6 is a flowchart showing a procedure for registering a power generation bidding group by the power trading system according to the embodiment of the present invention, and FIGS. 7A and 7B are power generation bids displayed on the power seller terminal when the power generation bidding group is registered. It is a figure which shows an example of a group setting screen.

When the power seller registers the power generation bid group, the power seller accesses the power trading system 10 by the power seller terminal ST and calls the power generation bid group setting screen data (step S101).
Upon receiving the call of the power generation bid group setting screen data, the power trading system 10 transmits the power generation bid group setting screen data to the power seller terminal ST (step S102).
As a result, the power seller terminal ST displays the power generation bidding group setting screen 30 as shown in FIGS. 7A and 7B (step S103).

Here, the power generation bidding group setting screen 30 will be described.
The power generation bid group setting screen 30 includes a power generation bid group information input area 31, a power generation point search condition input area 32, a power generation bid group registration area 33, a power generation amount simulation area 34, and a power sale desired unit price input area 35. , The power sale bid plan display area 36, the power sale bid plan registration button 37, and the return button 38.

The power generation bid group information input area 31 is composed of a bid area selection tab 31a, a power sale period input field 31b, and a power generation bid group name input field 31c.
In the power generation bid group information input area 31, the bid area is specified (selection of the bid area selection tab 31a), the power sale period is set (input in the power sale period input field 31b), and the power generation bid group name is input (). Input to the power generation bid group name input field 31c) is mandatory.

The bid area selection tab 31a is a drop-down list that displays bid area candidates (in Japan, a supply area that divides the country into 10), and one bid from the bid area displayed on the bid area selection tab 31a. The area can be freely selected.
The electric power sale period input field 31b is a field for inputting a target period for electric power sale (electric power sale period).
The power generation bid group name input field 31c is a field for inputting the name of the power generation bid group to be registered (preferably to which information specifying the power source is added).

The power generation point search condition input area 32 includes a search condition input field 32a, a search button 32b, and a clear button 32c.
The search condition input field 32a is a field for inputting a keyword for searching a predetermined power generation point from a pre-registered power generation point.
The search button 32b is a button for transmitting an instruction to search for a power generation point to the electric power transaction system 10 based on the keyword input in the search condition input field 32a.
The clear button 32c is a button for deleting the keyword input in the search condition input field 32a.

The power generation bid group registration area 33 is composed of a power generation point display field 33a, a power generation bid group display field 33b, an add button 33c, and a delete button 33d.
The power generation point display column 33a is a column in which the name of the power generation point, which is one of the information of the power generation point transmitted from the electric power transaction system 10, is displayed one by one in one line, and each line can be freely selected. There is.
The power generation bid group display column 33b is a column in which the names of the power generation points constituting the candidates of the power generation bid group are displayed one by one in one line, and each line can be freely selected.
The add button 33c is a button for adding the power generation point selected in the power generation point display field 33a to the power generation bid group display field 33b.
The delete button 33d is a button for deleting the power generation point selected in the power generation bid group display field 33b from the power generation bid group display field 33b.

The power generation amount simulation area 34 is composed of a power generation amount simulation button 34a and a power generation amount simulation column 34b.
The power generation amount simulation button 34a is a button for transmitting a command to the power transaction system 10 to add up the power generation predicted amounts of the power generation points displayed in the power generation bid group display column 33b.
The power generation amount simulation column 34b is a column in which the power generation predicted amount of the entire power generation point (power generation bid group candidate) displayed in the power generation bid group display field 33b transmitted from the power trading system 10 is displayed. Displays the transition of the amount of power generation for a predetermined time (for example, every 30 minutes) for a predetermined period (for example, one day) corresponding to a predetermined condition (the day with the largest amount of power generation in one day).

The power sale desired unit price input area 35 is composed of a power sale desired unit price input field 35a and a power sale bid plan display button 35b.
The power selling desired unit price input field 35a is a field for inputting the power selling desired unit price to be registered in the power selling bidding plan.
The power selling bid plan display button 35b causes the power selling bid plan creating means 114 of the power trading system 10 to create a power selling bid plan for the power generation bidding group candidate, and causes the power selling terminal ST to send the power selling bid plan. Is a button for transmitting to the power trading system 10.

In the power selling bid plan display area 36, the power selling bid plan of the power generation bidding group candidate received from the power trading system 10 is displayed.
Specifically, as a power generation bid plan, information for specifying the power source of the power generation bid group candidate (whether or not it is renewable energy, etc.), the total electric energy as the power generation bid group candidate [MWh], and the power generation bid group candidate. Average power consumption [kWh / day], annual maximum power as a power generation bid group candidate [kW], desired unit price for selling power as a power generation bid group candidate [yen / kWh], total price (total power as a power generation bid group candidate) Amount x desired unit price for selling power as a candidate for a power generation bidding group) [yen] etc. are included.

The power sale bid plan registration button 37 registers the power generation bid group candidate displayed in the power generation bid group display field 33b as a power generation bid group in the bid database 23a, and also registers the contents input in the power generation bid group information input area 31 and sells. The electricity selling bid plan displayed in the electricity bidding plan display area 36 is also a button for transmitting an instruction to be registered in the bidding database 23a associated with the information of the power generation points constituting the power generation bidding group to the electricity trading system 10.
The return button 38 is a button for transitioning from the power generation bidding group setting screen 30 to another screen (for example, an initial screen).

Returning to FIG. 6, the registration of the power generation bidding group by the power seller will be further described.
The power seller inputs the information of the power generation bid group to be registered in the power generation bid group information input area 31 by the power seller terminal ST.

Next, the power seller inputs a keyword for searching a power generation point that is a candidate for the power generation bidding group registered in the power transaction system 10 by the power seller terminal ST in the search condition input field 32a.
Then, when the search button 32b is pressed by operating the power seller terminal ST, the power seller terminal ST transmits the search condition of the power generation point input in the power generation point search condition input area 32 to the power trading system 10. (Step S104).

The electric power transaction system 10 that has received the search condition for the power generation point searches for a power generation point that matches the received search condition (step S105).
Then, the electric power transaction system 10 transmits the search result (information on the power generation point corresponding to the received search condition) to the power seller terminal ST (step S106).

The power seller terminal ST that has received the search result from the power transaction system 10 displays the power generation point that matches the received search condition in the power generation point display field 33a of the power generation bid group registration area 33 (step S107).

Next, the power seller selects a power generation point for which a power generation bid group is to be formed from the power generation points displayed in the power generation point display field 33a of the power generation bid group registration area 33 by the power seller terminal ST, and presses the add button 33c. ..
As a result, the candidates for the power generation bid group are displayed in the power generation bid group display column 33b (step S108).

Next, it is determined whether or not the power seller terminal ST has received the command for simulating the electric energy (step S109).
When the power generation amount simulation button 34a is pressed by operating the power seller terminal ST, it is assumed that the power seller terminal ST has received the command to simulate the power amount, and the command to simulate the power amount and the power generation bidding group. Information on the power generation point that is a candidate for the above is transmitted to the electric power trading system 10, and the process proceeds to step S110.
When the power generation amount simulation button 34a is not pressed, the power seller inputs the power sale desired unit price in the power sale desired unit price input field 35a of the power sale desired unit price input area 35 by the power seller terminal ST, and steps. Proceed to S113.

In step S110, the power trading system 10 that has received the command to simulate the power amount simulates the power generation amount of the candidate of the power generation bidding group based on the power generation predicted amount of each power generation point calculated by the power generation predicted amount calculating means 340. To create.
Then, the electric power transaction system 10 transmits the simulated result to the power seller terminal ST (step S111).
The power seller terminal ST that has received the simulated result of the power generation amount of the power generation bidding group displays the simulated result in the power generation amount simulation column 34b (step S112).
Then, the power seller inputs the power sale desired unit price in the power sale desired unit price input field 35a of the power sale desired unit price input area 35 by the power seller terminal ST.

When the power sale bid plan display button 35b is pressed by operating the power seller terminal ST, the power seller terminal ST displays the information input in the power generation bid group information input area 31 and the power generation bid group display field 33b. Information on the power generation point that is a candidate for the displayed power generation bidding group and the power selling bid plan creation information such as the power selling desired unit price input in the power selling desired unit price input field 35a are transmitted to the power trading system 10 ( Step S113).

Next, the power selling bid plan creating means 114 of the power trading system 10 creates a power selling bid plan for a candidate of the power generation bidding group from the power selling bid plan creation information received from the power seller terminal ST (step S114). The power sale bid plan is transmitted to the power seller terminal ST (step S115).

The power seller terminal ST that has received the power selling bid plan from the power trading system 10 displays the power selling bid plan in the power selling bid plan display area 36 (step S116).
When the power selling bid plan registration button 37 is pressed by operating the power selling terminal ST, the power selling terminal ST transmits an instruction to register the power selling bid plan in the bidding database 23a to the power trading system 10 ( Step S117).
The power generation bidding group registration means 111 of the power trading system 10 that has received the registration instruction of the power selling bid plan uses the power selling bidding plan transmitted to the power seller terminal ST as the power selling bidding plan of the power generation bidding group in the bidding database 23a. Register (step S118).

<3.2.2. Searching for power generation bidding groups and bidding for selling power>
Next, the search for the power generation bidding group by the power purchaser in step S120 and the power sale bid in step S140 will be described with reference to FIGS. 8 and 9.
FIG. 8 is a flowchart showing a procedure for searching a power generation bid group by the power trading system according to an embodiment of the present invention, and FIG. 9 is a power generation bid group search screen displayed on a power seller terminal when searching for a power generation bid group. It is a figure which shows an example.

When the power purchaser searches for the power generation bid group, the power purchaser accesses the power transaction system 10 by the power purchaser terminal BT and calls the power generation bid group search screen data (step S121).
The electric power trading system 10 that has received the call of the power generation bid group search screen data transmits the power generation bid group search screen data to the power purchaser terminal BT (step S122).
As a result, the power purchaser terminal BT displays the power generation bidding group search screen 40 as shown in FIG. 9 (step S123).

Here, the power generation bidding group search screen 40 will be described.
The power generation bid group search screen 40 is composed of a power generation bid group search condition input area 41, a power generation bid group display area 42, a power generation forecast amount display area 43, a power sale bid plan display area 44, and a bid button 45. ing.

The power generation bid group search condition input area 41 includes a bid area selection tab 41a, a total price input field 41b, an annual maximum output input field 41c, a power sale period input field 41d, a total power amount input field 41e, and a search button. It is composed of 41f and a clear button 41g.
In the power generation bidding group search condition input area 41, it is essential to specify the bidding area (selection of the bidding area selection tab 41a).

The bid area selection tab 41a is a drop-down list that displays bid area candidates (supply areas in Japan), and one bid area can be freely selected from the bid areas displayed on the bid area selection tab 41a. ing.
The total price input field 41b is a field for inputting a range of total prices set by the power generation bidding group.
The annual maximum output input field 41c is a field for inputting the range of the annual maximum output of the power generation bidding group.
The electric power sale period input field 41d is a field for inputting the target period for the electric power sale of the electric power seller.
The total electric energy input field 41e is a field for inputting the range of the total electric energy of the power generation bidding group.
The search button 41f is a button for transmitting an instruction to search for a power generation bidding group to the electric power trading system 10 based on the information input or selected in the total electric energy input field 41e from the bidding area selection tab 41a.
The clear button 41g is a button for deleting information input or selected in the total electric energy input field 41e from the bid area selection tab 41a.

In the power generation bidding group display area 42, information on the power generation bidding group transmitted from the power trading system 10 is displayed one group per line.
In the power generation bid group display area 42, the bid status and the power sale bid plan of each power generation bid group are displayed.
Further, each line of the power generation bidding group display area 42 is freely selectable.

The power generation forecast amount display area 43 is a column in which the power generation forecast amount of the entire power generation point is displayed as the power generation bid group selected in the power generation bid group display area 42, and specifically, a predetermined period corresponding to a predetermined condition. The transition of the amount of power generation for a predetermined time (for example, every 30 minutes) for a predetermined time (for example, one day) is displayed.

In the power selling bid plan display area 44, the power selling bid plan of the power generation bidding group selected in the power generation bidding group display area 42 is displayed.

The bidding button 45 transmits an instruction to bid for the power generation bidding group selected in the power generation bidding group display area 42 to the power trading system 10.

Returning to FIG. 8, the search for the power generation bidding group by the power purchaser will be further described.
The power purchaser inputs a search condition for searching for a power generation bid group to be procured in the power generation bid group search condition input area 41 by the power purchaser terminal BT.

Next, when the search button 41f is pressed by operating the power purchaser terminal BT, the power purchaser terminal BT sets the search condition of the power generation bid group input in the power generation bid group search condition input area 41 to the power trading system 10. (Step S124).

The power generation bid group search means 112 of the power transaction system 10 that has received the search condition of the power generation bid group searches for a power generation bid group that matches the received search condition (step S125).
Then, the power generation bid information transmission means 113 of the power trading system 10 transmits the search result (power generation bid information such as the power sale bid plan of the power generation bid group that matches the search condition) to the power purchaser terminal BT (step S126).

The power purchaser terminal BT that has received the search result from the power transaction system 10 displays the information of the power generation bid group in the power generation bid group display area 42 (step S127).

Next, the power purchaser selects a power generation bid group to be bid from the power generation bid group displayed in the power generation bid group display area 42 by the power purchaser terminal BT (step S128).
When the power purchaser selects the power generation bidding group to be bid on by the power purchaser terminal BT, the power purchaser terminal BT sends the power generation forecast amount of the selected power generation bidding group and the call command of the power sale bid plan to the power trading system 10. (Step S129).

Upon receiving the command to call the power generation bid group and the power sale bid plan selected by the power purchaser, the power trading system 10 sets the power generation bid group's power forecast amount and the power sale bid plan to the power purchaser terminal BT. (Step S130).

The power purchaser terminal BT that has received the power generation bid group's power forecast amount and the power sale bid plan displays the power generation forecast amount of the power generation bid group in the power generation forecast amount display area 43, and displays the power sale bid plan on the power sale bid plan. It is displayed in the area 44 (step S131).

When the bid button 45 is pressed by operating the power purchaser terminal BT, the power trading system 10 indicates that the bid is made to the power sale bid plan of the power generation bid group selected in the power generation bid group display area 42 (bid instruction). Is transmitted to (step S141).
Then, the electric power transaction system 10 that has received the bidding instruction registers in the bidding database 23a that the bidding has been entered in the power generation bidding group selected in the power generation bidding group display area 42 (that there was a bidding for selling electricity) (step). S142).

<3.2.3. Contract processing>
Next, the contract processing in step S160 will be described with reference to FIGS. 10 and 11.
FIG. 10 is a flowchart showing a contract procedure by the electric power trading system according to the embodiment of the present invention, and FIG. 11 shows an example of a power selling bid display screen displayed on the power seller terminal when searching for a power generation bidding group. It is a figure.

When the power seller confirms the bid for the power sale bid plan (power sale bid), the power seller accesses the power transaction system 10 by the power seller terminal ST and calls the power sale bid confirmation screen data (step S161). ).
Upon receiving the call for the power sale bid confirmation screen data, the power transaction system 10 transmits the power sale bid confirmation screen data to the power seller terminal ST (step S162).
As a result, the power seller terminal ST displays the power sale bid confirmation screen 50 as shown in FIG. 11 (step S163).

Here, the power sale bid confirmation screen 50 will be described.
The power sale bid confirmation screen 50 is composed of a power sale bid search condition input area 51, a power sale bid display area 52, and a contract button 53.

The power sale bid search condition input area 51 includes a power generation bid group name input field 51a, a supply area selection field 51b, a power sale period input field 51c, a bidder name input field 51d, and a power sale bid search button 51e. It is composed of a clear button 51f.

The power generation bid group name input field 51a is a field for inputting a keyword when searching for a registered power generation bid group.
The supply area selection column 51b is a column for selecting a supply area, and a plurality of supply areas can be freely selected.
The electric power sale period input field 51c is a field for inputting the electric power sale period set by the power generation bidding group.
The bidder name input field 51d is a field for inputting a keyword when searching for a bidder (power purchaser).
The power sale bid search button 51e is a button for transmitting an instruction to search for a power sale bid to the power trading system 10 based on the information input or selected from the power generation bid group name input field 51a to the bidder name input field 51d. ..
The clear button 51f is a button for deleting information input or selected from the power generation bid group name input field 51a to the bidder name input field 51d.

In the power selling bid display area 52, the power selling bid information transmitted from the power selling bid information transmitting means 115 of the electric power trading system 10 is displayed one by one per line.
In each line of the power sale bid display area 52, a power generation bid group name, a power source, a bidder, a power sale bid plan, and the like are displayed.
Further, each line of the power sale bid display area 52 is freely selectable.

The contract button 53 transmits the information of the power selling bid selected in the power selling bid display area 52 to the electric power trading system 10.

Returning to FIG. 10, the contract processing will be further described.
The power seller inputs search conditions for searching for a power selling bid that is convenient for the power seller in the power selling bid search condition input area 51 by the power selling terminal ST.
Then, when the power selling bid search button 51e is pressed by operating the power selling terminal ST, the power selling terminal ST sets the search condition of the power selling bid input in the power selling bid search condition input area 51 into the power trading system. It is transmitted to 10 (step S164).

The electric power transaction system 10 that has received the search condition for the power sale bid searches for the power sale bid for the power sale bid plan that matches the received search condition (step S165).
Then, the power selling bid information transmitting means 115 of the electric power transaction system 10 transmits the search result (information on the selling bid for the power selling bidding plan that matches the search condition) to the power selling terminal ST (step S166).

The power seller terminal ST that has received the search result from the power transaction system 10 displays the power sale bid that matches the search condition in the power sale bid display area 52 (step S167).

The power seller confirms the power generation bid displayed in the power sale bid display area 52 of the power sale bid confirmation screen 50 by the power seller terminal ST, selects the most favorable power sale bid, and presses the contract button 53. push.
When the contract button 53 is pressed by operating the power seller terminal ST, one power selling bid selected in the power selling bid display area 52 is transmitted to the power trading system 10 as a contract target (step S168).

Then, the power purchase contract registration means 116 of the electric power trading system 10 that has received the information of the power sale bid to be contracted registers one power sale bid in the bid database 23a (step S169).
This completes the long-term bilateral transaction between the seller and the buyer.

<3.2.4. Summary>
The power generation system 10 of the present embodiment configured in this way sets a power generation bidding group consisting of one or more power generation points under the jurisdiction of the power seller based on the instruction from the power seller terminal ST in the power generation bidding database 23a. That is, the power generation bid group registration means 111 for registering at least the information of the power generation bid group composed of two or more power generation points under the jurisdiction of the power seller in the bid database 23a, and the power generation bid group registration means 111 registered in the bid database 23a. The power generation bid group search means 112 that searches for the power generation bid group based on the search conditions transmitted from the power purchaser terminal BT of the power purchaser, and the power generation bid group search means 112 that searches the search results by the power purchaser. By providing the power generation bid information transmission means 113 for transmitting to the terminal BT, the power purchaser can freely select the power generation bid group that has jurisdiction over a specific power generation point, and the power generation bid group selected by the power purchaser himself can be used for power generation. Therefore, it is possible for the power purchaser to procure power from the power generation bidding group that offers the cheapest selling price, which is a high degree of freedom for the power purchaser.

Further, the power selling bid plan creating means 114 for creating the power selling bid plan of the power generation bidding group during the power selling period input from the power selling seller terminal ST of the power seller is further provided, the power generation bid information transmitting means is 113, and the power generation is performed. By transmitting the power sale bid plan to the power purchaser terminal BT of the power purchaser as a search result by the bid group search means 112, the power purchaser carefully examines the power generation bid group based on the power sale bid plan and then bids for power generation. Since the group can be selected, the matching accuracy between the power buyer and the power seller can be improved.

In recent years, due to heightened environmental awareness, there has been an increasing demand for RE100 (100% of the energy required for business operations is covered by renewable energy). Even if I could select it, I could not identify the power source.
However, since the power sale bid plan includes information that identifies the power source of the power generation bid group, the power purchaser can select the power generation bid group that has jurisdiction over the specific power source, so that the power purchaser can operate the business. It is possible to easily realize electric power procurement such that the energy required for electricity is 100% renewable energy.

Further, the power selling bid information transmitting means 115 for transmitting the information of the power selling bid of the power buyer for the power selling bid plan to the power seller terminal ST of the power seller, and one selected based on the operation of the power seller. By further providing the power purchase contract registration means 116 for registering the power sale bid in the bid database 23a, the power purchaser can select the power seller to purchase the power after confirming the bid conditions. , The matching accuracy between the power buyer and the power seller can be further improved.

<3.3. Electricity sales by electricity sellers>
Subsequently, the procedure for selling electric power by the seller will be described with reference to FIGS. 12 to 18.

First, an outline of the electric power sales procedure by the power seller will be described with reference to FIG. 12.
FIG. 12 is a flowchart showing a power sales procedure by a power seller using the power trading system according to the embodiment of the present invention.

When the power seller selects a demand bidding group and sells electric power, as shown in FIG. 12, the power purchaser first registers the demand bidding group in advance (step S200), and then the power seller. Searches for a demand bidding group (step S220) and makes a bid for a power purchase bid plan (step S240).
After that, the power purchaser confirms the power purchase bid and performs the contract processing (step S260).
Hereinafter, each step will be described in detail.

<3.3.1. Registration of demand bidding group>
First, the registration of the demand bidding group by the power purchaser in step S200 will be described with reference to FIGS. 13 to 14B.
FIG. 13 is a flowchart showing a procedure for registering a demand bidding group by the electric power trading system according to the embodiment of the present invention, and FIGS. 14A and 14B are demand bids displayed on the power purchaser terminal when the demand bidding group is registered. It is a figure which shows an example of a group setting screen.

When the power purchaser registers the demand bid group, the power purchaser accesses the power transaction system 10 by the power purchaser terminal BT and calls the demand bid group setting screen data (step S201).
The electric power transaction system 10 that has received the call of the demand bid group setting screen data transmits the demand bid group setting screen data to the power purchaser terminal BT (step S202).
As a result, the power purchaser terminal BT displays the demand bidding group setting screen 60 as shown in FIGS. 14A and 14B (step S203).

Here, the demand bidding group setting screen 60 will be described.
The demand bid group setting screen 60 includes a demand bid group information input area 61, a supply point search condition input area 62, a demand bid group registration area 63, a demand amount simulation area 64, and a power purchase desired unit price input area 95. , The power purchase bid plan display area 66, the power purchase bid plan registration button 67, and the return button 68.

The demand bid group information input area 61 is composed of a bid area selection tab 61a and a demand bid group name input field 61b.
In the demand bid group information input area 61, it is essential to specify the bid area (select the bid area selection tab 61a) and input the demand bid group name (input to the demand bid group name input field 61b). There is.

The bid area selection tab 61a is a drop-down list that displays bid area candidates (supply areas in Japan), and one bid area can be freely selected from the bid areas displayed on the bid area selection tab 61a. ing.
The demand bid group name input field 61b is a field for inputting the name of the demand bid group to be registered from now on.

The supply point search condition input area 62 includes a search condition input field 62a, a search button 62b, and a clear button 62c.
The search condition input field 62a is a field for inputting a keyword for searching a predetermined supply point from the supply points registered in advance.
The search button 62b is a button for transmitting an instruction to search for a supply point to the electric power transaction system 10 based on the information input in the search condition input field 62a.
The clear button 62c is a button for deleting the information input in the search condition input field 62a.

The demand bid group registration area 63 is composed of a supply point display column 63a, a demand bid group display column 63b, an add button 63c, and a delete button 63d.
The supply point display column 63a is a column in which the name of the supply point, which is one of the supply point information transmitted from the electric power transaction system 10, is displayed one supply point per line, and each line can be freely selected. There is.
The demand bid group display column 63b is a column in which the names of the supply points constituting the candidates of the demand bid group are displayed one by one in one line, and each line can be freely selected.
The add button 63c is a button for adding the supply point selected in the supply point display field 63a to the demand bid group display field 63b.
The delete button 63d is a button for deleting the supply point selected in the demand bid group display field 63b from the demand bid group display field 63b.

The demand amount simulation area 64 is composed of a demand amount simulation button 64a and a demand amount simulation column 64b.
The demand amount simulation button 64a is a button for transmitting a command to the electric power trading system 10 to add up the electric power demand forecast amount of the supply point displayed in the demand bid group display column 63b.
The demand amount simulation column 64b is a column in which the electric power demand forecast amount of the entire supply point (demand bid group candidate) displayed in the demand bid group display column 63b transmitted from the electric power trading system 10 is displayed, and is specific. Displays the transition of the power demand forecast amount for a predetermined time (for example, every 30 minutes) for a predetermined period (for example, one year).

The power purchase desired unit price input area 65 includes a power purchase desired unit price input field 65a and a power purchase bid plan display button 65b.
The power purchase desired unit price input field 65a is a field for inputting the power purchase desired unit price to be registered in the power purchase bid plan.
The power purchase bid plan display button 65b causes the power purchase bid plan creation means 124 of the power trading system 10 to create a power purchase bid plan for the demand bid group candidate, and causes the power purchaser terminal BT to send the power purchase bid plan. Is a button for transmitting to the power trading system 10.

In the power purchase bid plan display area 66, the power purchase bid plan of the demand bid group candidate received from the power transaction system 10 is displayed.
Specifically, as a power purchase bid plan, the total electric energy as a demand bid group candidate [MWh], the average electric energy used as a demand bid group candidate [kWh / day], and the annual maximum electric energy as a demand bid group candidate [kW]. ], Desired unit price for power purchase as a candidate for a demand bid group [yen / kWh], Total price (total electric energy as a candidate for a demand bid group x desired unit price for power purchase as a candidate for a demand bid group) [yen], Candidate for a demand bid group Demand bid group Contains information that identifies the estimated amount of electricity demand.
The "demand forecast group power demand forecast amount of the demand bid group candidate" here is a value obtained by adding up the power demand forecast amount for each unit time of each supply point constituting the demand bid group, and is a value. It is a transition of the electric power demand forecast amount for each unit time (for example, 30 minutes) as a candidate.

The power purchase bid plan registration button 67 registers the demand bid group candidate displayed in the demand bid group display field 63b as a demand bid group in the bid database 23a, and the contents input in the demand bid group information input area 61 and the purchase. The electric bid plan displayed in the electric bid plan display area 66 is also a button for transmitting an instruction to be registered in the bid database 23a associated with the information of the supply points constituting the demand bid group to the electric power trading system 10.
The return button 68 is a button for transitioning from the demand bidding group setting screen 60 to another screen (for example, an initial screen).

Returning to FIG. 13, the registration of the demand bidding group by the power purchaser will be further described.
The power purchaser inputs the information of the demand bid group to be registered in the demand bid group information input area 61 by the power purchaser terminal BT.

Next, the power purchaser inputs information for searching a supply point that is a candidate for the demand bidding group registered in the power transaction system 10 by the power purchaser terminal BT in the search condition input field 62a.
Then, when the search button 62b is pressed by operating the power purchaser terminal BT, the power purchaser terminal BT transmits the search condition of the supply point input in the supply point search condition input area 62 to the electric power trading system 10. (Step S204).

The electric power transaction system 10 that has received the search condition of the supply point searches for a supply point that matches the received search condition (step S205).
Then, the electric power transaction system 10 transmits the search result (information on the supply point corresponding to the received search condition) to the power purchaser terminal BT (step S206).

The power purchaser terminal BT that has received the search result from the electric power transaction system 10 displays the supply point that matches the received search condition in the supply point display field 63a of the demand bidding group registration area 63 (step S207).

Next, the power purchaser selects a supply point for which a demand bid group is to be formed from the supply points displayed in the supply point display field 63a of the demand bid group registration area 63 by the power purchaser terminal BT, and presses the add button 63c. ..
As a result, the candidates for the demand bidding group are displayed in the demand bidding group display field 63b (step S208).

Next, it is determined whether or not the power purchaser terminal BT has accepted the command for simulating the demand amount (step S209).
When the demand amount simulation button 64a is pressed by operating the power purchaser terminal BT, it is assumed that the power purchaser terminal BT has received the instruction to simulate the demand amount, and the instruction to simulate the demand amount and the demand bidding group. Information on the supply point that is a candidate for is transmitted to the electric power trading system 10, and the process proceeds to step S210.
When the demand amount simulation button 64a is not pressed, the power purchaser inputs the power purchase desired unit price in the power purchase desired unit price input field 65a of the power purchase desired unit price input area 65 by the power purchaser terminal BT, and steps. Proceed to S213.

In step S210, the electric power trading system 10 that has received the instruction to simulate the demand amount is the demand amount of the candidate of the demand bidding group based on the electric power demand forecast amount of each supply point calculated by the electric power demand forecast amount calculation means 320. Create a simulation of.
Then, the electric power transaction system 10 transmits the simulated result to the power purchaser terminal BT (step S211).
The power purchaser terminal BT that has received the simulated result of the average power generation amount of the demand bidding group displays the simulated result in the demand amount simulation column 64b (step S212).
Then, the power purchaser inputs the power purchase desired unit price in the power purchase desired unit price input field 65a of the power purchase desired unit price input area 65 by the power purchaser terminal BT.

When the power purchase bid plan display button 65b is pressed by operating the power purchaser terminal BT, the power purchaser terminal BT displays the information input in the demand bid group information input area 61 and the demand bid group display field 63b. Information on the displayed supply points that are candidates for the demand bidding group and information on creating a power purchase bid plan such as the power purchase desired unit price input in the power purchase desired unit price input field 65a are transmitted to the power trading system 10 ( Step S213).

Next, the power purchase bid plan creation means 124 of the power trading system 10 creates a power purchase bid plan for a candidate of the demand bidding group from the power purchase bid plan creation information received from the power purchaser terminal BT (step S214). The power purchase bid plan is transmitted to the power purchaser terminal BT (step S215).

The power purchaser terminal BT that has received the power purchase bid plan from the power transaction system 10 displays the power purchase bid plan in the power purchase bid plan display area 66 (step S216).
When the power purchase bid plan registration button 67 is pressed by operating the power purchaser terminal BT, the power purchaser terminal BT transmits an instruction to register the power purchase bid plan in the bid database 23a to the power trading system 10 ( Step S217).
The demand bid group registration means 121 of the electric power trading system 10 that has received the registration instruction of the power purchase bid plan uses the power purchase bid plan transmitted to the power purchaser terminal BT as the power purchase bid plan of the demand bid group in the bid database 23a. Register (step S218).

<3.3.2. Search for demand bidding groups and bids for power purchases>
Next, the search for the demand bidding group by the power seller in step S220 and the power purchase bid in step S240 will be described with reference to FIGS. 15 and 16.
FIG. 15 is a flowchart showing a search procedure of a demand bidding group by the electric power trading system according to an embodiment of the present invention, and FIG. 16 is a demand bidding group search screen displayed on a power purchaser terminal when searching for a demand bidding group. It is a figure which shows an example.

When the power seller searches for the demand bid group, the power seller accesses the power transaction system 10 by the power seller terminal ST and calls the demand bid group search screen data (step S221).
The electric power trading system 10 that has received the call of the demand bid group search screen data transmits the demand bid group search screen data to the power seller terminal ST (step S222).
As a result, the power seller terminal ST displays the demand bidding group search screen 70 as shown in FIG. 16 (step S223).

Here, the demand bidding group search screen 70 will be described.
The demand bid group search screen 70 is composed of a demand bid group search condition input area 71, a demand bid group display area 72, a demand forecast amount display area 73, a power purchase bid plan display area 74, and a bid button 75. ing.

The demand bid group search condition input area 71 is composed of a bid area selection tab 71a, a total price input field 71b, an annual maximum output input field 71c, a total electric energy input field 71d, a search button 71e, and a clear button 71f. It is configured.
In the demand bidding group search condition input area 71, it is essential to specify the bidding area (selection of the bidding area selection tab 71a).

The bid area selection tab 71a is a drop-down list that displays bid area candidates (supply areas in Japan), and one bid area can be freely selected from the bid areas displayed on the bid area selection tab 71a. ing.
The total price input field 71b is a field for inputting a range of total prices set by the demand bidding group.
The annual maximum output input field 71c is a field for inputting the range of the annual maximum demand amount of the demand bidding group.
The total electric energy input field 71d is a field for inputting the range of the total demand amount of the demand bidding group.
The search button 71e is a button for transmitting an instruction to search the demand bidding group to the electric power trading system 10 based on the information input or selected in the total electric energy input field 71d from the bidding area selection tab 71a.
The clear button 71f is a button for deleting information input or selected in the total electric energy input field 71d from the bid area selection tab 71a.

In the demand bidding group display area 72, the information of the demand bidding group transmitted from the electric power trading system 10 is displayed one group per line.
In the demand bid group display area 72, the bid status and the power purchase bid plan of each demand bid group are displayed.
Further, each row of the demand bid group display area 72 is freely selectable.

The demand forecast amount display area 73 is a column in which the power demand forecast amount of the entire supply point is displayed as the demand bid group selected in the demand bid group display area 72, and specifically, a predetermined condition corresponding to a predetermined condition is satisfied. The transition of the power demand forecast amount for a predetermined time (for example, every 30 minutes) of the period (for example, one day) is displayed.

In the power purchase bid plan display area 74, the power purchase bid plan of the demand bid group selected in the demand bid group display area 72 is displayed.

The bidding button 75 transmits an instruction to bid for the demand bidding group selected in the demand bidding group display area 72 to the electric power trading system 10.

Returning to FIG. 15, the search for the demand bidding group by the power seller will be further described.
The power seller inputs a search condition for searching the demand bid group for which power is to be procured in the demand bid group search condition input area 71 by the power seller terminal ST.

Next, when the search button 71e is pressed by operating the power seller terminal ST, the power seller terminal ST sets the search condition of the demand bid group input in the demand bid group search condition input area 71 to the power trading system 10. (Step S224).

The demand bid group search means 122 of the electric power transaction system 10 that has received the search condition of the demand bid group searches for a demand bid group that matches the received search condition (step S225).
Then, the demand bid information transmission means 123 of the electric power trading system 10 transmits the search result (information such as the power purchase bid plan of the demand bid group that matches the search condition) to the power seller terminal ST (step S226).

The power seller terminal ST that has received the search result from the electric power transaction system 10 displays the information of the demand bidding group in the demand bidding group display area 72 (step S227).

Next, the power seller selects a demand bid group to be bid from the demand bid groups displayed in the demand bid group display area 72 by the power seller terminal ST (step S228).
When the power seller selects the demand bidding group to be bid by the power seller terminal ST, the power seller terminal ST sends the demand forecast amount of the selected demand bidding group and the call command of the power purchase bid plan to the power trading system 10. (Step S229).

Upon receiving the instruction to call the demand forecast amount and the power purchase bid plan of the demand bid group selected by the power seller, the power trading system 10 sets the demand forecast amount and the power purchase bid plan of the demand bid group to the power seller terminal ST. (Step S230).

The power seller terminal ST that has received the demand forecast amount and the power purchase bid plan of the demand bid group displays the demand forecast amount of the demand bid group in the demand forecast amount display area 73, and displays the power purchase bid plan in the power purchase bid plan display. It is displayed in the area 74 (step S231).

When the bid button 75 is pressed by operating the power seller terminal ST, the power trading system 10 indicates that the bid is bid for the power purchase bid plan of the demand bid group selected in the demand bid group display area 72 (bid instruction). Is transmitted to (step S241).
Then, the electric power trading system 10 that has received the bidding instruction registers in the bidding database 23a that the bidding has been entered in the demand bidding group selected in the demand bidding group display area 72 (that the bidding has been made) (step). S242).

<3.3.3. Contract processing>
Next, the contract processing in step S260 will be described with reference to FIGS. 17 and 18.
FIG. 10 is a flowchart showing a contract procedure by the electric power trading system according to the embodiment of the present invention, and FIG. 18 shows an example of a power purchase bid display screen displayed on the power purchaser terminal when searching for a demand bidding group. It is a figure.

When the power purchaser confirms the bid for the power purchase bid plan (power purchase bid), the power purchaser accesses the power transaction system 10 by the power purchaser terminal BT and calls the power purchase bid confirmation screen data (step S261). ).
Upon receiving the call for the power purchase bid confirmation screen data, the power transaction system 10 transmits the power purchase bid confirmation screen data to the power purchaser terminal BT (step S262).
As a result, the power purchaser terminal BT displays the power purchase bid confirmation screen 80 as shown in FIG. 18 (step S263).

Here, the power purchase bid confirmation screen 80 will be described.
The power purchase bid confirmation screen 80 is composed of a power purchase bid search condition input area 81, a power purchase bid display area 82, and a contract button 83.

The power purchase bid search condition input area 81 is composed of a demand bid group name input field 81a, a bidder name input field 81b, a power purchase bid search button 81c, and a clear button 81d.

The demand bid group name input field 81a is a field for inputting a keyword when searching for a registered demand bid group.
The bidder name input field 81b is a field for inputting a keyword when searching for a bidder (power seller).
The power purchase bid search button 81c is a button for transmitting an instruction to search for a power purchase bid to the electric power trading system 10 based on the information input in the demand bid group name input field 81a and the bidder name input field 81b.
The clear button 81d is a button for deleting the information selected in the demand bid group name input field 81a and the bidder name input field 81b.

In the power purchase bid display area 82, the power purchase bid information transmitted from the power purchase bid information transmitting means 125 of the electric power trading system 10 is displayed one by one per line.
In each line of the power purchase bid display area 82, a demand bid group name, bidders, power purchase bid plans, and the like are displayed.
Further, each line of the power purchase bid display area 82 can be freely selected.

The contract button 83 transmits information on the power purchase bid selected in the power purchase bid display area 82 to the power trading system 10.

Returning to FIG. 17, the contract processing will be further described.
The power purchaser inputs a search condition for searching for a power purchase bid that is convenient for the power purchaser in the power purchase bid search condition input area 81 by the power purchaser terminal BT.
Then, when the power purchase bid search button 81c is pressed by operating the power purchaser terminal BT, the power purchaser terminal BT sets the search condition of the power sale bid entered in the power purchase bid search condition input area 81 into the power trading system. It is transmitted to 10 (step S264).

The electric power transaction system 10 that has received the search condition for the power purchase bid searches for a power purchase bid for the power purchase bid plan that matches the received search condition (step S265).
Then, the power purchase bid information transmission means 125 of the electric power transaction system 10 transmits the search result (information on the power purchase bid for the power purchase bid plan that matches the search condition) to the power purchaser terminal BT (step S266).

The power purchaser terminal BT that has received the search result from the power transaction system 10 displays the power purchase bid that matches the search condition in the power purchase bid display area 82 (step S267).

The power purchaser confirms the power purchase bid displayed in the power purchase bid display area 82 of the power purchase bid confirmation screen 80 by the power purchaser terminal BT, selects the most favorable power purchase bid, and selects the contract button 83. Press.
When the contract button 83 is pressed by operating the power purchaser terminal BT, one power purchase bid selected in the power purchase bid display area 82 is transmitted to the power transaction system 10 as a contract target (step S268).

Then, the power selling contract registration means 216 of the electric power trading system 10 that has received the information of the power purchase bid to be contracted registers one power purchase bid in the bid database 23a (step S269).
This completes the long-term bilateral transaction between the power buyer and the power seller.

<3.2.4. Summary>
The electric power trading system 10 of the present embodiment configured in this way sets a bid database 23a for a demand bidding group composed of one or more supply points under the jurisdiction of the power purchaser based on an instruction from the power purchaser terminal BT. That is, the demand bid group registration means 121 for registering at least the information of the demand bid group composed of two or more supply points under the jurisdiction of the power purchaser in the bid database 23a, and the demand bid group registration means 121 registered in the bid database 23a. The demand bid group search means 122 that searches the demand bid group based on the search conditions transmitted from the power seller terminal ST of the power seller, and the power seller of the power seller the search results by the demand bid group search means 122. By providing the demand bid information transmission means 123 for transmitting to the terminal ST, the power seller can freely select the demand bid group that has jurisdiction over a specific supply point, and the power is supplied from the demand bid group selected by the power seller. Since the power can be purchased, the power seller can realize a high degree of freedom in power procurement, such as procuring a demand bidding group that offers the highest bid price.

Further, the power purchase bid plan creation means 124 for creating the power purchase bid plan of the demand bid group in the power purchase period input from the power purchaser terminal BT of the power purchaser is further provided, and the demand bid information transmission means 123 is in demand. By transmitting the power purchase bid plan to the power seller terminal ST of the power seller as a search result by the bid group search means 122, the power seller carefully examines the demand bid group based on the power purchase bid plan and then makes a demand bid. Since the group can be selected, the matching accuracy between the power buyer and the power seller can be improved.

Further, the actual power consumption acquisition means 310 for acquiring the actual power consumption of the supply point up to the predetermined time, and the power demand forecast amount for each unit time of the supply point after the predetermined time based on the actual power consumption of the supply point. The power purchase bid plan created by the power purchase bid plan creation means 124 further includes the power demand forecast amount calculation means 320 for calculating the power demand forecast amount for each unit time of each supply point belonging to the demand bid group. The demand bid group power demand forecast amount, which is the sum of the power demand forecast amount for each unit time of each supply point belonging to the demand bid group, is transmitted by the demand bid information transmission means by including the power demand forecast amount of the demand bid group. Therefore, the power seller can confirm the magnitude of the time change of the power consumption of the power purchaser and realize the power sale.

Further, the power purchase bid information transmitting means 125 that displays the power purchase bid information of the power seller for the power purchase bid plan on the power purchaser terminal BT of the power purchaser, and one purchase selected based on the operation of the power purchaser. By further providing the power selling contract registration means 126 for registering the power bill in the bid database, the power purchaser can select the power seller to purchase the power after confirming the bid conditions. It is possible to further improve the matching accuracy between the electric power person and the electric power seller.

<4. Modification example>
Although the examples of the present invention have been described above, the present invention is not limited to the above.

For example, one power purchaser may purchase power from a plurality of power sellers using the power trading system of this embodiment.
Similarly, one electric power seller may sell electric power to a plurality of electric power buyers by using the electric power trading system of this embodiment.

For example, in this embodiment, the other electric power trading system is a JEPX electric power trading system, but the other electric power trading system is an electric power trading system other than JEPX if it is an electric power trading system for physical and forward trading of electric power. It may be a system.

For example, the electric power trading system 10 may be composed of a plurality of processing devices 20.
Specifically, the storage unit and the processing unit may be configured as separate processing devices.

For example, in the present embodiment, the processing performed by the electric power trading system 10 may be performed by the power seller terminal ST or the power purchaser terminal BT.

For example, in this embodiment, the "environmental data" may be meteorological data, forecast data, or calendar data stored in the meteorological database DB, but the situation around the power generation point for which the predicted power generation amount is to be calculated. The data is not limited to this as long as it is data related to the situation around the supply point for which the forecast amount of power demand is to be calculated.

For example, in this embodiment, various information is stored in the storage unit 23 of the processing device 20, but these information are not limited to storage in the storage unit 23, and are stored in, for example, a blockchain database. You may.

10 ・ ・ ・ Electricity transaction system 100 ・ ・ ・ Long-term bilateral transaction subsystem 110 ・ ・ ・ Power purchase transaction component 111 ・ ・ ・ Power generation bid group registration means 112 ・ ・ ・ Power generation bid group search means 113 ・ ・ ・ Power generation bid information transmission Means 114 ・ ・ ・ Power sale bid plan creation means 115 ・ ・ ・ Power sale bid information transmission means 116 ・ ・ ・ Power purchase contract registration means 120 ・ ・ ・ Power sale transaction component 121 ・ ・ ・ Demand bid group registration means 122 ・ ・・ Demand bid group search means 123 ・ ・ ・ Demand bid information transmission means 124 ・ ・ ・ Power purchase bid plan creation means 125 ・ ・ ・ Power purchase bid information transmission means 126 ・ ・ ・ Power purchase contract registration means 200 ・ ・ ・ Short-term supply and demand Adjustment subsystem 300 ・ ・ ・ Common subsystem 310 ・ ・ ・ Actual power consumption acquisition means 320 ・ ・ ・ Power demand forecast amount calculation means 330 ・ ・ ・ Power generation amount acquisition means 340 ・ ・ ・ Power generation forecast amount calculation means

20 ・ ・ ・ Processing device 21 ・ ・ ・ Communication unit 22 ・ ・ ・ Input unit 23 ・ ・ ・ Storage unit 23a ・ ・ ・ Bid database 24 ・ ・ ・ Processing unit

DB ・ ・ ・ Meteorological database NW ・ ・ ・ Network FSM ・ ・ ・ Forward power flow measurement meter RSM ・ ・ ・ Reverse power flow measurement meter ES ・ ・ ・ Other power trading system BT ・ ・ ・ Power purchaser terminal ST ・ ・ ・ Power sale Person terminal

Claims (11)

An electric power trading system that supports electric power transactions between a power purchaser who wants to purchase electric power and a power seller who wants to sell electric power.
A power generation bidding group registration means for registering a power generation bidding group consisting of one or more power generation points under the jurisdiction of the power seller in the bidding database, and a power generation bidding group registration means.
A power generation bid group search means for searching the power generation bid group registered in the bid database, and
A power generation trading system comprising a power generation bid information transmission means for transmitting a search result by the power generation bid group search means to the power purchaser terminal of the power purchaser. Further provided with a means for creating a power selling bid plan for creating a power selling bid plan for the power generation bidding group during the power selling period input from the power selling terminal of the power seller.
The power trading system according to claim 1, wherein the power generation bid information transmission means transmits the power sale bid plan to the power purchaser terminal of the power purchaser as a search result by the power generation bid group search means. .. The power trading system according to claim 2, wherein the power selling bid plan includes information for identifying a power source of the power generation bidding group. A power-selling bid information transmitting means for transmitting the information of the power-selling bid of the power-selling person to the power-selling terminal of the power-selling person for the power-selling bidding plan.
The second or third aspect of the present invention, further comprising a power purchase contract registration means for contracting and registering one power selling bid selected based on the operation of the power seller in the bidding database. Electric power trading system. An electric power trading system that supports electric power transactions between a power purchaser who wants to purchase electric power and a power seller who wants to sell electric power.
A demand bidding group registration means for registering a demand bidding group consisting of one or more supply points under the jurisdiction of the power purchaser in the bidding database, and a demand bidding group registration means.
A demand bid group search means for searching the demand bid group registered in the bid database, and
A power trading system comprising: a demand bid information transmission means for transmitting a search result by the demand bid group search means to the power seller terminal of the power seller. Further provided with a power purchase bid plan creation means for creating a power purchase bid plan for the demand bidding group during the power purchase period input from the power purchaser terminal of the power purchaser.
The power trading system according to claim 5, wherein the demand bid information transmitting means transmits the power purchase bid plan to the power seller terminal of the power seller as a search result by the demand bid group search means. .. An actual power consumption acquisition means for acquiring the actual power consumption of the supply point up to a predetermined time, and
Further provided with a power demand forecast amount calculating means for calculating the power demand forecast amount for each unit time of the supply point after a predetermined time based on the actual power consumption amount of the supply point.
The sixth aspect of claim 6 is characterized in that the power purchase bid plan includes a demand bid group power demand forecast amount in which the power consumption forecast amount for each unit time of each supply point constituting the demand bid group is added. Described power trading system. A power purchase bid information transmitting means for displaying the information of the power purchase bid of the power seller for the power purchase bid plan on the power purchaser terminal of the power purchaser, and
The sixth or seventh aspect of the present invention, further comprising a power selling contract registration means for contracting and registering one power purchase bid selected based on the operation of the power purchaser in the bid database. Electric power trading system. A power trading system equipped with a power generation bid group setting means, a power generation bid group search means, and a power generation bid display means allows a power transaction between a power purchaser who wants to purchase electricity and a power seller who wants to sell power. It is a power trading method to support
A step in which the power generation bid group setting means registers a power generation bid group composed of one or more power generation points under the jurisdiction of the power seller in the bid database.
A step in which the power generation bid group search means searches for the power generation bid group registered in the bid database, and
A power generation trading method, characterized in that the power generation bid display means includes a step of transmitting a search result by the power generation bid group search means to the power purchaser terminal of the power purchaser. Electric power trading between a power purchaser who wants to purchase electricity and a power seller who wants to sell electricity by a power trading system equipped with a demand bid group setting means, a demand bid group search means, and a demand bid display means. It is a power trading method to support
A step in which the demand bid group setting means registers a demand bid group composed of one or more supply points under the jurisdiction of the power purchaser in the bid database.
A step in which the demand bid group search means searches for the demand bid group registered in the bid database, and
A power trading method comprising the step of transmitting the search result by the demand bid group search means to the power seller terminal of the power seller. An electricity trading program that supports electricity transactions between a power purchaser who wants to buy electricity and a power seller who wants to sell electricity.
A power trading program comprising executing each step of the power trading method according to claim 9 or 10 by a processing device.

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