JP7106081B2 - Power trading system, power trading method and power trading program - Google Patents

Description

The present invention relates to an electric power trading system, an electric power trading method, and an electric power trading program for supporting electric power trading between an electric power buyer who wishes to purchase electric power and an electric power seller who wishes to sell electric power.

Entry into the electricity retail business was fully liberalized on April 1, 2016, and electric power that previously could only be contracted with local electric power companies (former general electric utilities) has newly entered the market. It is now possible to freely choose and contract with electric power companies, including new electric power companies.

Therefore, in order to reduce the power procurement cost, there is known a power trading system that allows a power buyer to purchase power from an optimum power seller (for example, Non-Patent Document 1).

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

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

The invention according to claim 1 comprises a processing device and a bidding database, and a power buyer terminal of a power buyer desiring to purchase power and a power seller terminal of a power seller desiring to sell power are connected. A power trading system that supports power trading between the power buyer and the power seller, wherein the power seller terminal includes information on a power generation bidding group composed of power generation sites under the jurisdiction of the power seller. to the processing device, the power buyer terminal transmits the search conditions related to the power generation bid group to the processing device, and the processing device transmits the power generation location under the jurisdiction of the power seller to the power generation bid group registration means for registering information of a power generation bid group consisting of two or more power generation sites selected on a power seller terminal in at least the bid database based on instructions from the power seller terminal; power generation bid group search means for searching information on the power generation bid group registered in a bid database based on the search conditions transmitted from the power buyer's power buyer terminal; and a search by the power generation bid group search means. The power generation bidding information transmitting means for transmitting the result to the power buyer's terminal of the power buyer solves the above-described problems.

The invention according to claim 2 is characterized in that, in addition to the configuration of the power trading system described in claim 1, the processing device is configured to set the power generation bidding group during the power selling period inputted from the power seller terminal of the power seller. and the power generation bid information transmitting means of the processing device transmits the power sales bid plan as a search result by the power generation bid group search means to the power purchaser. By transmitting to the power purchaser's terminal, the above-mentioned problems are further solved.

The invention according to claim 3, in addition to the configuration of the power trading system described in claim 2, is characterized in that the power sales bidding plan includes information specifying the power source of the power generation bidding group, thereby solving the problem described above. is further resolved.

In the invention according to claim 4, in addition to the configuration of the power trading system according to claim 2 or 3, the processing device receives information on the power purchaser's bid to sell power to the power sell bid plan. power sale bid information transmission means for transmitting the power seller's power seller's terminal to the power seller's terminal; and power purchase contract registration means for contract registration of one power sale bid selected based on the power seller's operation in the bid database. The above-described problems are further solved by further comprising

The invention according to claim 5 comprises a processing device and a bidding database, and a power buyer terminal of a power buyer desiring to purchase power and a power seller terminal of a power seller desiring to sell power are connected. A power trading system that supports power trading between the power buyer and the power seller, wherein the power buyer terminal includes information on a demand bidding group composed of supply points under the jurisdiction of the power buyer. to the processing device, the power seller terminal transmits search conditions related to the demand bid group to the processing device, and the processing device transmits the demand bid group registering means for registering information of a demand bid group consisting of two or more supply points selected on a power buyer terminal in at least the bid database based on an instruction from the power buyer terminal; a demand bid group search means for 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 search by the demand bid group search means. and a demand bid information transmitting means for transmitting the result to the power seller's terminal of the power seller, thereby solving the above-mentioned problems.

The invention according to claim 6, in addition to the configuration of the power trading system according to claim 5, is characterized in that the processing device is configured to set the demand bid group during the power purchase period input from the power buyer terminal of the power buyer. and the demand bid information transmitting means of the processing device transmits the power purchase bid plan as a search result by the demand bid group search means to the power seller. By transmitting to the power seller's terminal, the above-mentioned problems are further solved.

The invention according to claim 7 is, in addition to the structure of the power trading system according to claim 5, wherein the processing device has actual power consumption acquisition means for acquiring the actual power consumption at the supply point up to a predetermined time. and a predicted power demand calculation means for calculating a predicted power demand for each unit time at the supply point after a predetermined time based on the actual power consumption at the supply point, wherein the power purchase bidding plan is , the demand bid group power demand forecast amount obtained by adding up the power demand forecast amount for each unit time of each of the supply points constituting the demand bid group, thereby further solving the above-mentioned problem.

In the invention according to claim 8, in addition to the configuration of the power trading system according to claim 6 or 7, the processing device receives information on the power seller's power purchase bid for the power purchase bid plan. power purchase bid information transmitting means for displaying on the power purchaser terminal of the power purchaser; and power sale contract registration means for contract registration of one power purchase bid selected based on the operation of the power purchaser in the bid database. The above-described problems are further solved by further comprising

According to a ninth aspect of the invention, there is provided 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 a power buyer of a power buyer who wishes to purchase power. An electric power trading method for supporting electric power trading between the electric power buyer and the electric power seller by means of an electric power trading system to which a terminal and the electric power seller's terminal of the electric power seller desiring to sell electric power are connected, The power generation bidding group registration means of the processing device transmits information of the 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 from the power seller terminal. a step of registering at least in the bid database based on the instruction from the purchaser terminal of the power purchaser, the power generation bid group search means of the processing device transmitting information of the power generation bid group registered in the bid database from the purchaser terminal of the power purchaser; a step of searching based on the transmitted search conditions related to the power generation bid group; and a power generation bid information transmission means of the processing device transmitting a search result by the power generation bid group search means to the power buyer terminal of the power buyer. The above-described problem is solved by providing the steps.

According to a tenth aspect of the invention, there is provided a processing apparatus having a demand bid group registration means, a demand bid group search means, and a demand bid information transmission means, and a bid database. An electric power trading method for supporting electric power trading between the electric power buyer and the electric power seller by means of an electric power trading system to which a terminal and the electric power seller's terminal of the electric power seller desiring to sell electric power are connected, The demand bidding group registration means of the processing device receives from the power buyer terminal information on a demand bid group composed of two or more supply points selected on the power buyer terminal from supply points under the jurisdiction of the power buyer. a step of registering information on said demand bid group registered in said bid database by said demand bid group searching means of said processing unit from said power seller terminal of said power seller; a step of searching based on the transmitted search conditions relating to the demand bid group; and a demand bid information transmitting means of the processing device transmitting a search result by the demand bid group searching means to the power seller's terminal of the power seller. The above-described problem is solved by providing the steps.

The invention according to claim 11 is an electric power trading program for supporting electric power trading between an electric power buyer who wishes to purchase electric power and an electric power seller who wishes to sell electric power. The above-described problems are solved by causing the processing device to execute each step of the power trading method described in 1.1.

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 a person to whom the supply point identification number is assigned (electricity (Consumers, etc., who are the contracting parties of various contracts) and those to whom a supply point identification number has not been assigned (retail electricity business operators who supply electricity to consumers, intermediaries person), etc.).
In addition, the "power seller" in the present invention is a person who has jurisdiction over one or more electricity generation points specified by the power receiving point identification number, and owns the power generation equipment to which the power receiving point identification number is set. (power generation companies such as electric power companies and gas companies under the Electricity Business Act, power generation facility owners who own power generation facilities and wish to sell the power generated by the power generation facilities), and the power receiving point identification number Those who do not own the set power generation facilities, but who have concluded contracts (power generation adjustment supply contracts) with power transmission and distribution companies that are responsible for adjusting power generation (retail power companies, effective (e.g., aggregators that provide energy management services to
Furthermore, the term "jurisdiction" in the present invention includes not only the meaning of "ownership" but also the meaning of "contractual management".

According to the power trading system of the first aspect of the invention, the processing device provides information on a power generation bidding group composed of two or more power generation sites selected on the power seller's terminal from the power generation sites under the jurisdiction of the power seller. in the bid database based on instructions from the power seller terminal; power generation bid group search means for searching based on search conditions; Power purchasers can freely select the power generation bid group that has jurisdiction over a specific power generation site, and power can be procured from the power generation bid group selected by the power purchaser himself/herself. Power procurement with a high degree of freedom for the power purchaser, such as power procurement, can be realized.

According to the electric power trading system of the invention according to claim 2, in addition to the effects of the electric power trading system of the invention according to claim 1, the processing device is configured to detect the electric power sales period input from the electric power seller's terminal. power selling bid plan creating means for creating a power selling bid plan for the power selling bid group in the processing unit, and the power selling bid plan is sent to the power purchaser as a search result by the power generation bid group searching means. By transmitting to the power purchaser's terminal, the power purchaser can select the power generation bid group after examining the power generation bid group based on the power sales bid plan, so the matching accuracy between the power purchaser and the power seller can be improved.

According to the power trading system of the invention according to claim 3, in addition to the effects of the power trading system of the invention according to claim 2, the power sales bidding plan includes information specifying the power source of the power generation bidding group. By enabling the purchaser to select a power generation bidding group that has jurisdiction over a specific power source, the purchaser can easily realize power procurement that uses 100% renewable energy for business operations. be able to.

According to the power trading system of the invention according to claim 4, in addition to the effects of the power trading system of the invention according to claim 2 or 3, the processing device enables the power buyer to sell power to the power selling bid plan Electricity sales bid information transmission means for transmitting bidding information to the electricity seller's terminal of the electricity seller, and electricity purchase contract registration means for contract registration of one electricity sales bid selected based on the operation of the electricity seller in the bidding database. , the purchaser can check the bidding conditions and then select the electricity seller from which to purchase electricity, thereby further improving the matching accuracy between the electricity purchaser and the electricity seller. can be done.

According to the power trading system of the invention according to claim 5, the processing device provides 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. to a bid database based on instructions from the power buyer terminal; Demand bid group search means for searching based on search conditions, and demand bid information transmission means for transmitting search results by the demand bid group search means to the power seller terminal of the power seller, Electricity sellers can freely select a demand bidding group that has jurisdiction over a specific supply point, and can purchase electricity from the demand bidding group selected by the electricity seller. Electric power procurement with a high degree of freedom for the electric power seller can be realized.

According to the electric power trading system of the invention according to claim 6, in addition to the effects of the electric power trading system of the invention according to claim 5, the processing device can detect the electric power purchase period input from the electric power purchaser's terminal. power purchase bid plan creating means for creating a power purchase bid plan for the demand bid group in the power seller, and the demand bid information transmission means of the processing device sends the power purchase bid plan as a search result by the demand bid group search means to the power seller By transmitting to the power seller's terminal, the power seller can select the demand bid group after examining the demand bid group based on the power purchase bid plan, so the matching accuracy between the power buyer and the power seller can be improved.

According to the power trading system of the invention according to claim 7, in addition to the effects of the power trading system of the invention according to claim 6, the processing device acquires the actual power consumption at the supply point up to a predetermined time. A power purchase bidding plan further comprising an actual consumption amount acquisition means and a power demand forecast amount calculation means for calculating a forecast power demand amount for each unit time at the supply point after a predetermined time period based on the actual power consumption amount at the supply point. includes the demand bid group power demand forecast amount, which is the sum of the power demand forecast amount for each unit hour of each supply point that constitutes the demand bid group. Since the demand bidding group power demand forecast amount obtained by adding up the forecast amount is transmitted by the demand bidding information transmission means, the power seller can confirm the size of the time change of the power consumption of the power purchaser and realize power sales. can.

According to the power trading system of the invention according to claim 8, in addition to the effects of the power trading system of the invention according to claim 6 or 7, the processing device can power purchase bid information transmission means for displaying bid information on the power buyer terminal of the power buyer; and power sale agreement registration means for contract registration of one power purchase bid selected based on the operation of the power buyer in a bid database. , the purchaser can check the bidding conditions before selecting the electricity seller to purchase electricity from. can.

According to the power trading method of the ninth aspect of the invention, 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's terminal under the jurisdiction of the power seller. a step of registering information on the power generation bid group in at least a bid database based on an instruction from the power seller terminal; a step of retrieving based on the search conditions related to the power generation bid group transmitted from the power purchaser terminal of the power purchaser; By providing the step of transmitting, the power purchaser can freely select a 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/herself. The electric power supplier 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 has offered the lowest selling price.

According to the power trading method of the tenth aspect of the invention, the demand bidding group registration means of the processing device is composed of two or more supply points selected on the power purchaser's terminal from the supply points under the jurisdiction of the power purchaser. a step of registering at least the information of the demand bid group in the bid database based on the instruction from the power buyer terminal; a step of searching based on search conditions relating to the demand bid group transmitted from the power seller terminal of the power seller; and the transmitting step, the power seller can freely select a 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/herself. The electric power supplier can realize electric power procurement with a high degree of freedom for the electric power seller, such as procurement from the demand bidding group that has offered the highest bid price.

According to the power trading program of the invention according to claim 11, by causing the processing device to execute each step of the power trading method according to claim 9 or claim 10, the power purchaser has jurisdiction over a specific power generation point. Since the power generation bid group can be freely selected and power can be procured from the power generation bid group selected by the power purchaser, the power purchaser can procure power from the power generation bid group that offers the lowest selling price. It is possible to realize power procurement with a high degree of freedom for users.
Alternatively, the power seller can freely select a 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 itself, so the power seller offers the highest bid price. Power procurement with a high degree of freedom for power sellers, such as procurement by a demand bidding group, can be realized.

1 is a network configuration diagram to which a power trading system that is an embodiment of the present invention is connected; FIG. FIG. 2 is a system configuration diagram of the power trading system shown in FIG. 1; FIG. 2 is a configuration diagram of a processing device; 4 is a flow chart showing a procedure for predicting power demand at a supply point by the power trading system that is an embodiment of the present invention. 4 is a flowchart showing a procedure for predicting the amount of power generated at a power generation site by the power trading system that is an embodiment of the present invention; 4 is a flow chart showing a power purchase procedure by a power purchaser using the power trading system according to the embodiment of the present invention; 4 is a flow chart showing a procedure for registering a power generation bidding group by the power trading system that is an embodiment of the present invention. FIG. 4 is a diagram showing an example of a power generation bidding group setting screen displayed on the power seller terminal when a power generation bidding group is registered; FIG. 4 is a diagram showing an example of a power generation bidding group setting screen displayed on the power seller terminal when a power generation bidding group is registered; 4 is a flowchart showing a power generation bidding group search procedure by the power trading system that is an embodiment of the present invention. FIG. 10 is a diagram showing an example of a power generation bid group search screen displayed on the power seller terminal when searching for a power generation bid group; 4 is a flow chart showing a contract procedure by the power trading system that is an embodiment of the present invention; FIG. 11 is a diagram showing an example of a power sale bid display screen displayed on the power seller terminal when searching for a power generation bid group; 4 is a flow chart showing an electric power sales procedure by an electric power seller using the electric power trading system according to the embodiment of the present invention; 4 is a flow chart showing a procedure for registering a demand bid group by the power trading system that is an embodiment of the present invention. FIG. 4 is a diagram showing an example of a demand bidding group setting screen displayed on a power buyer terminal when a demand bidding group is registered; FIG. 4 is a diagram showing an example of a demand bidding group setting screen displayed on a power buyer terminal when a demand bidding group is registered; 4 is a flow chart showing a search procedure for a demand bid group by the power trading system that is an embodiment of the present invention. FIG. 4 is a diagram showing an example of a demand bid group search screen displayed on the power buyer terminal when searching for a demand bid group; 4 is a flow chart showing a contract procedure by the power trading system that is an embodiment of the present invention; FIG. 10 is a diagram showing an example of a power purchase bid display screen displayed on a power buyer terminal when searching for a demand bid group;

In the electric power trading system of the present invention, the processing device transmits information of a power generation bidding group composed of two or more power generation sites selected on the power seller terminal from power generation sites under the jurisdiction of the power seller from the power seller terminal. a power generation bid group registering means for registering at least in the bid database based on the instructions of and searching for information on the power generation bid group registered in this bid database based on search conditions transmitted from the power purchaser's terminal of the power purchaser. and power generation bid information transmission means for transmitting the search result of the power generation bid group retrieval means to the power purchaser's terminal of the power purchaser. A demand bidding group that registers at least information on a demand bidding group consisting of two or more supply points selected on the power buyer terminal from supply points under the jurisdiction of the power purchaser in a bid database based on instructions from the power buyer terminal A registration means, a demand bid group search means for searching information of a demand bid group registered in the bid database based on a search condition transmitted from a power seller's terminal of the power seller, and the demand bid group search means. Demand bidding information transmitting means for transmitting search results by the power seller to the power seller terminal of the power seller. Any embodiment may be used.

Further, in the electric power trading method of the present invention, the power generation bid group registration means of the processing device creates a power generation bid group composed of two or more power generation points selected from the power generation points on the power seller's terminal under the jurisdiction of the power seller. a step of registering information in at least a bid database based on an instruction from a power seller terminal; The step of searching based on the search condition transmitted from the terminal, and the step of transmitting the search result by the power generation bid group searching means to the power purchaser's terminal by the power generation bid information transmission means of the processing device. By doing so, the demand bidding group registration means of the processing device provides 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 to the power purchaser. a step of registering at least in a bid database based on an instruction from a terminal; and a demand bid group search means of a processing device receiving information on a demand bid group registered in the bid database from a power seller's terminal. comprising a step of searching based on a search condition relating to the power generation bid group, and a step of having the demand bid information transmitting means of the processing device transmit the search result by the demand bid group searching means to the power seller's terminal of the power seller. As long as it realizes power trading with a high degree of freedom for power traders, any specific embodiment may be used.

Further, in the power trading program of the present invention, the power generation bidding group registration means of the processing device registers a power generation bidding group composed of two or more power generation points selected from the power generation points on the power seller's terminal under the jurisdiction of the power seller. a step of registering information in at least a bid database based on an instruction from a power seller terminal; The step of searching based on the search condition transmitted from the terminal, and the step of transmitting the search result by the power generation bid group searching means to the power purchaser terminal of the power purchaser by the power generation bid information transmission means of the processing device Also, the demand bidding group registration means of the processing device purchases 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. a step of registering at least in a bid database based on an instruction from an electric terminal; and a demand bid group search means of a processing device transmitting information of a demand bid group registered in the bid database from a power seller's terminal. a step of searching based on the search conditions related to the received demand bid group; and a step of having the demand bid information transmitting means of the processing device transmit the search result by the demand bid group searching means to the power seller's 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 by having the power traders execute it.

For example, the power buyer terminal and the power seller terminal may be mobile phones, smart phones, tablets, personal computers, etc., as long as they have a communication function.

An electric power trading system, an electric power trading method, and an electric power trading program according to an embodiment of the present invention will be described below with reference to FIGS. 1 to 18. FIG.

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

A power trading system 10, which is an embodiment of the present invention, is connected to a network NW as shown in FIG.
This network NW may be, for example, the Internet, an intranet accessible only to specific users, or a network combining these.

The network NW includes a weather database DB referenced by the power trading system 10, and other power trading systems ES (specifically, power trading on the wholesale power trading market operated by JEPX (Japan Electric Power Exchange)). system) are connected.
Also connected to this network NW is a power transmission and distribution company that maintains the power demand balance.
A power transmission/distribution company is a company that installs and maintains a power transmission/distribution network and monitors the usage status of the power transmission/distribution network (power transmission/distribution destination, power transmission/distribution amount, etc.).

Further, the network NW is connected to a power buyer terminal BT owned by a power buyer who wishes to purchase power and a power seller terminal ST owned by a power seller who wishes to sell power.

A consumer has one or more electricity supply points specified by a supply point identification number, is a contracting entity of various power contracts, and has a power buyer terminal BT.
At each supply point of the consumer, a forward power flow meter FSM that digitally measures power and is connected to the network NW is installed.
This forward flow measurement meter FSM grasps the amount of electric power used for each predetermined cycle and transmits it to the power transmission and distribution business operator via the network NW, and includes, for example, a forward flow smart meter.
In addition, although the cycle in which the forward flow meter FSM grasps the amount of electric power used is, for example, the cycle of demand control (generally a cycle of 30 minutes in Japan), the cycle is not particularly limited.
In addition, each supply point may be provided with a power management system, such as a HEMS integrated with or separate from the forward flow meter FSM.

The power generator has one or more electricity generation points specified by the power receiving point identification number, and has a power seller terminal ST.
This power generation business 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 power generation point of the power generation company, a reverse power flow meter RSM that digitally measures power and is connected to the network NW is installed.
This reverse power flow meter RSM grasps the power generation amount and the like 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.
The cycle in which the reverse power flow meter RSM grasps the power generation amount and the like is, for example, the cycle of demand control, but the cycle is not particularly limited.

In addition, this network NW includes retail electric power companies that supply electricity to consumers, aggregators that provide effective energy management services by bundling the electricity demand of consumers, and brokerage for the conclusion of retail supply contracts as a business. Agents, etc. are connected.
An electricity retailer can be a power buyer wishing to purchase power or a power seller wishing to sell power, and therefore possesses at least one of a power buyer terminal BT and a power seller terminal ST. ing.
Since the aggregator corresponds to a power seller who wishes to sell power, it has a power seller terminal ST.
Since the agency corresponds to a power buyer who wishes to purchase power, the agency has a power buyer terminal BT.

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

The power trading system 10, as shown in FIGS. 1 and 2, is a long-term bilateral trading subsystem 100 that supports power trading between a power buyer wishing to purchase power and a power seller wishing to sell power. , a short-term supply and demand adjustment system 200 that adjusts the power supply and demand balance between supply points on the day before the power supply date and on the day of the power supply date to minimize the amount of imbalance in the planned value simultaneous same amount system, and a long-term bilateral transaction subsystem 100 , and a common subsystem 300 that performs 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 trading subsystem 100 includes a power purchase trading component 110 for conducting power trading mainly by the power buyer and a power selling trading component for conducting power trading mainly by the power seller. 120.

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 sales bid plan creation means 114, and a power sales bid. It has information transmission means 115 and power purchase contract registration means 116 .

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

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

The demand bid group registering means 121 registers a demand bid group (for example, GX1 shown in FIG. 1) composed of one or more supply points under the jurisdiction of the power purchaser in the bid database 23a.
The demand bid group search means 122 searches demand bid groups registered in the bid database 23a.
The demand bid information transmission means 123 transmits the power purchase bid plan as a search result by the demand bid group search means 122 to the power seller terminal ST of the power seller.
The power purchase bid plan creating means 124 creates a power purchase bid plan for the demand bid group in the power purchase period input from the power buyer's power buyer terminal BT.
The power purchase bid information transmission means 125 transmits information on the power seller's power purchase bid for the power purchase bid plan of 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 buyer in the bid database 23a.

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

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

<2.3. Processing device>
The power trading system 10 configured as described above is configured with at least one processing device 20 .
The processing device 20 includes a communication unit 21 connected to the network NW, an input/output unit 22 such as a man-machine interface for inputting information from the outside or outputting information to the outside, and a communication unit 21 from the network NW. A storage unit 23 for storing the obtained data, the input from the input/output unit 22, the power trading program, etc., and the data obtained from the network NW by the power trading program stored in the storage unit 23 and the input from the input/output unit 22. and a processing unit 24 for processing the information received.
The storage unit 23 has a bidding database 23a that stores the progress of power transactions between power buyers and power sellers.
The processing device 20 configured in this manner constitutes each component and each means of each subsystem of the power trading system 10 .

<3. Electric power trading method>
Next, based on FIGS. 4A to 18, the 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.

<3.1. Acquisition of Actual Power Consumption and Power Generation, and Prediction of Power Demand and Power Generation>
First, based on FIGS. 4A and 4B, acquisition of actual power consumption and prediction of power demand at the supply point by the common subsystem 300 of the power trading system 10, and power generation by the common subsystem 300 of the power trading system 10 Acquisition of the amount of power generation at a point and prediction of the amount of power generation will be explained.
FIG. 4A is a flow chart showing the procedure for predicting the amount of power demanded at a supply point by the power trading system that is an embodiment of the present invention, and FIG. It is a flow chart which shows a procedure.

<3.1.1. Acquisition of Actual Electricity Consumption at Supply Point and Calculation of Electricity Demand Forecast>
First, based on FIG. 4A, the acquisition of the actual power consumption amount at the supply point and the calculation of the predicted power demand amount will be described.

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 power demand at the supply point (calculation of the predicted power demand) by the power trading system 10 is performed by the predicted power demand calculating means 320 of the common subsystem 300 .

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

The actual power consumption acquisition means 310 of the power trading system 10 obtains the actual power consumption every 30 minutes [ kWh] is acquired from the forward current meter FSM provided at each supply point via the power transmission and distribution business operator (step S10).
In addition, in the first year when the forward flow meter FSM is installed, the actual power consumption acquisition means 310 acquires the actual power consumption every 30 minutes from the power transmission and distribution business operator.
If the supply point itself is new or if the actual power consumption of the supply point cannot be obtained, the actual power consumption acquisition means 310 estimates the actual power consumption using an existing power consumption model.

Next, the power demand forecast calculation means 320 of the 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 weather data (temperature, humidity, atmospheric pressure, amount of solar radiation, rainfall amount, etc.), 84-hour weather forecast data for each supply point, or calendar data in which holidays are recorded.

Next, the power demand forecast calculation means 320 of the power trading system 10 acquires the past actual power consumption based on the past actual power consumption acquired in step S10 and the environmental data acquired in step S11. A power demand forecast amount [kWh] for each 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 Site and Prediction of Power Generation Amount>
Subsequently, acquisition of the power generation amount at the power generation site and calculation of the predicted power generation amount will be described with reference to FIG. 4B.

Acquisition of the power generation amount at the power generation site by the power trading 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 site (calculation of the power generation prediction amount) by the power trading system 10 is performed by the power generation prediction amount calculation means 340 of the common subsystem 300 .

Acquisition of the power generation amount by the power generation amount acquisition means 330 and 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 sites from which the power generation amount acquisition unit 330 acquires the power generation amount may be all power generation sites or may be a part of the power generation sites.
Similarly, the power generation sites for which the power generation prediction amount calculation means 340 predicts the power generation amount may be all the power generation sites or may be a part of the power generation sites.

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 point for the past (for example, for the past one year from the predetermined start date). It acquires from the reverse power flow meter RSM provided at the power generation point via the power transmission and distribution business operator and stores it in the storage unit 23 of the processing device 20 (step S20).
In addition, in the first year when the reverse power flow meter RSM is installed, the power generation amount acquiring means 330 acquires the power generation amount every 30 minutes from the power transmission and distribution business operator.
Also, if the power generation site itself is new, or if the power generation amount of the power generation site cannot be obtained, the power generation amount acquisition unit 330 estimates the power generation amount using an existing power generation model.

Next, the predicted power generation 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 weather data (temperature, humidity, atmospheric pressure, amount of solar radiation, amount of rainfall, etc.) for the past year at each power generation point obtained by the predicted power generation calculation means 340 from the weather database DB. ), 84-hour weather forecast data for each power generation site, and calendar data in which holidays are recorded.

Next, based on the past power generation amount acquired in step S20 and the environmental data acquired in step S21, the predicted power generation amount calculation means 340 of the power trading system 10 calculates A power generation prediction amount [kWh] for 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. Purchase of power by the power purchaser>
Next, a power purchase procedure by the power purchaser will be described with reference to FIGS. 5 to 11. FIG.

First, based on FIG. 5, the outline of the power purchase procedure by the power purchaser will be described.
FIG. 5 is a flow chart showing a power purchase procedure by a power purchaser using the power trading system according to the embodiment of the present invention.

When a power purchaser selects a power generation bid group to purchase power, as shown in FIG. searches for a power generation bidding group (step S120), and bids for power sales to the power sales bidding plan (step S140).
After that, the power seller confirms the bid for the power sale and executes contract processing (step S160).
Each step will be described in detail below.

<3.2.1. Registration of 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 flow chart showing the procedure for registering a power generation bid group by the power trading system according to the embodiment of the present invention. It is a figure which shows an example of a group setting screen.

When a power seller registers a power generation bidding group, the power seller accesses the power trading system 10 using the power seller terminal ST and calls up power generation bidding group setting screen data (step S101).
The power trading system 10 that has received the call for the power generation bid group setting screen data 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 bid 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 site search condition input area 32 , a power generation bid group registration area 33 , a power generation amount simulation area 34 , and a desired power sales unit price input area 35 . , a power selling bid plan display area 36 , a power selling bid plan registration button 37 , and a return button 38 .

The power generation bid group information input area 31 is composed of a bid area selection tab 31a, a power sales period input field 31b, and a power generation bid group name input field 31c.
In the power generation bidding group information input area 31, designation of a bidding area (selection of a bidding area selection tab 31a), setting of a power sales period (input in the power sales period input field 31b), and input of a power generation bidding group name ( 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 the case of Japan, supply areas obtained by dividing the country into 10). The area can be freely selected.
The power sales period input field 31b is a field for inputting a target period for power sales (power sales 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, information specifying the power source is added).

The power generation site 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 when searching for a predetermined power generation site from power generation sites registered in advance.
The search button 32b is a button for transmitting a command to search for a power generation site to the power trading system 10 based on the keyword entered 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 includes a power generation site display field 33a, a power generation bid group display field 33b, an add button 33c, and a delete button 33d.
The power generation site display column 33a is a column in which the name of the power generation site, which is one of the power generation site information transmitted from the power trading system 10, is displayed one power generation site per line, and each line is selectable. there is
The power generation bid group display column 33b is a column in which the names of the power generation sites constituting candidates for the power generation bid group are displayed one power generation site per line, and each line can be freely selected.
The add button 33c is a button for adding the power generation site selected in the power generation site display field 33a to the power generation bid group display field 33b.
The delete button 33d is a button for deleting the power generation site selected in the power generation bid group display column 33b from the power generation bid group display column 33b.

The power generation amount simulation area 34 includes 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 to the power trading system 10 a command to add up the predicted power generation amounts of the power generation sites displayed in the power generation bid group display field 33b.
The power generation amount simulation field 34b is a field in which the predicted power generation amount of the entire power generation site (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 power generation amount for a predetermined time period (for example, every 30 minutes) in a predetermined period (for example, one day) that meets a predetermined condition (the day with the highest power generation amount in a day).

The desired power selling unit price input area 35 is composed of a desired power selling unit price input field 35a and a power selling bid plan display button 35b.
The desired power selling unit price input field 35a is a field for inputting a desired power selling unit price to be registered in the power selling bidding plan.
The power selling bid plan display button 35b is a command to cause the power selling bid plan creation means 114 of the power trading system 10 to create a power selling bid plan for the power generation bid group candidate and transmit the power selling bid plan to the power seller terminal ST. to the power trading system 10.

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

The power sales 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 and sales entered in the power generation bid group information input area 31. This is a button for transmitting to the power trading system 10 a command to register the power selling bid plan displayed in the power bid plan display area 36 in the bid database 23a in association with the information on the power generation sites that make up the power generation bid group.
The return button 38 is a button for transitioning from the power generation bidding group setting screen 30 to another screen (for example, the initial screen).

Returning to FIG. 6, the registration of the power generation bid 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 using the power seller terminal ST.

Next, the power seller enters a keyword into the search condition input field 32a to search for power generation sites that are candidates for the power generation bid group to be registered in the power trading system 10 using the power seller terminal ST.
Then, when the search button 32b is pressed by operating the power seller terminal ST, the power seller terminal ST transmits the power generation site search conditions entered in the power generation site search condition input area 32 to the power trading system 10. (Step S104).

The power trading system 10 that has received the search conditions for the power generation site searches for power generation sites that meet the received search conditions (step S105).
Then, the power trading system 10 transmits the search results (information on power generation sites that meet the received search conditions) to the power seller terminal ST (step S106).

Upon receiving the search results from the power trading system 10, the power seller terminal ST displays power generation sites that match the received search conditions in the power generation site display field 33a of the power generation bid group registration area 33 (step S107).

Next, the power seller selects a power generation site that the power seller wants to configure the power generation bid group from among the power generation sites displayed in the power generation site display field 33a of the power generation bid group registration area 33 on the power seller terminal ST, and presses the add button 33c. .
As a result, power generation bid group candidates are displayed in the power generation bid group display field 33b (step S108).

Next, the power seller terminal ST determines whether or not it has received an instruction to simulate the power amount (step S109).
When the electricity seller terminal ST is operated to press the power generation amount simulation button 34a, the electricity seller terminal ST accepts the instruction to simulate the electricity amount, and sends the instruction to simulate the electricity amount and the power generation bid group. is transmitted to the power trading system 10, and the process proceeds to step S110.
If the power generation amount simulation button 34a is not pressed, the power seller inputs the desired power selling unit price in the desired power selling unit price input field 35a of the desired power selling unit price input area 35 using the power seller terminal ST, and the step 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 candidates of the power generation bidding group based on the predicted power generation amount at each power generation point calculated by the predicted power generation amount calculation means 340. to create
The power trading system 10 then transmits the simulation result to the power seller terminal ST (step S111).
The power seller terminal ST, which has received the simulation result of the power generation amount of the power generation bid group, displays the simulation result in the power generation amount simulation column 34b (step S112).
Then, the power seller inputs the desired power selling unit price in the desired power selling unit price input field 35 a of the desired power selling unit price input area 35 using the power seller terminal ST.

When the power selling bid plan display button 35b is pressed by operating the power seller terminal ST, the power seller terminal ST displays the information entered in the power generation bid group information input area 31 and the power generation bid group display column 33b. Information on the power generation sites that are candidates for the displayed power generation bid group and power sales bidding plan creation information such as the desired power sales unit price entered in the desired power sales 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 the candidates of the power bid group from the power selling bid plan creating information received from the power seller terminal ST (step S114), The power selling bid plan is transmitted to the power seller terminal ST (step S115).

The power seller terminal ST, which 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 electric power seller terminal ST is operated to press the electric power selling bid plan registration button 37, the electric power seller terminal ST transmits to the power trading system 10 a command to register the electric power selling bid plan in the bid database 23a ( step S117).
The power generation bid group registration means 111 of the power trading system 10 that has received the instruction to register the power sales bid plan stores the power sales bid plan transmitted to the power seller terminal ST as the power sales bid plan of the power generation bid group in the bid database 23a. Register (step S118).

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

When a power buyer searches for a power generation bid group, the power buyer accesses the power trading system 10 using the power buyer terminal BT and calls up power generation bid group search screen data (step S121).
The power trading system 10 that has received the call for the power generation bid group search screen data transmits the power generation bid group search screen data to the power buyer terminal BT (step S122).
As a result, the power buyer terminal BT displays the power generation bid 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 comprises a power generation bid group search condition input area 41 , a power generation bid group display area 42 , a power generation forecast display area 43 , a power sales 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, an electric power sales period input field 41d, a total electric energy input field 41e, and a search button. 41f and a clear button 41g.
In addition, in the power generation bid group search condition input area 41, specification of the bid area (selection of the bid area selection tab 41a) is essential.

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 the range of the total price 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 bid group.
The power sale period input field 41d is a field for inputting a target period for power sale by the power seller.
The total electric power input field 41e is a field for inputting the range of the total electric power of the power generation bid group.
The search button 41f is a button for transmitting a command to search for a power generation bid group to the power trading system 10 based on the information entered or selected in the total power input field 41e from the bid area selection tab 41a.
The clear button 41g is a button for deleting the information entered or selected in the total power input field 41e from the bid area selection tab 41a.

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

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

The power selling bid plan display area 44 displays the power selling bid plan of the power generation bid group selected in the power generation bid group display area 42 .

The bid button 45 transmits to the power trading system 10 a command to bid on the power generation bid group selected in the power generation bid group display area 42 as a bid target.

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

Next, when the search button 41f is pressed by operating the power buyer terminal BT, the power buyer terminal BT enters the power generation bid group search conditions entered in the power generation bid group search condition input area 41 into the power trading system 10. (step S124).

The power generation bid group search means 112 of the power trading system 10 that has received the power generation bid group search conditions searches for a power generation bid group that meets the received search conditions (step S125).
Then, the power generation bidding information transmitting means 113 of the power trading system 10 transmits the search result (power generation bidding information such as the power sales bidding plan of the power generation bidding group that meets the search conditions) to the power buyer terminal BT (step S126).

The power buyer terminal BT that has received the search result from the power trading system 10 displays information on 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 that he/she wants to bid on from the power generation bid groups displayed in the power generation bid group display area 42 on the power purchaser terminal BT (step S128).
When a power purchaser selects a power generation bid group for which he or she wishes to bid using the power purchaser terminal BT, the power purchaser terminal BT transmits to the power trading system 10 a call command for the power forecast amount of the selected power generation bid group and the power sales bid plan. (step S129).

The power trading system 10 that has received the power forecast amount and the power selling bid plan call command of the power generation bid group selected by the power purchaser transmits the power forecast amount and power selling bid plan of the power generation bid group to the power buyer terminal BT. (step S130).

The power buyer terminal BT, which has received the power generation bid group's predicted power amount and power sales bid plan, displays the power generation bid group's power predicted amount in the power generation prediction amount display area 43, and displays the power sales bid plan. It is displayed in area 44 (step S131).

When the bid button 45 is pressed by operating the power buyer terminal BT, the power trading system 10 instructs the power trading system 10 to bid on the power selling bid plan of the power generation bid group selected in the power generation bid group display area 42 (bid instruction). (step S141).
After receiving the bid instruction, the power trading system 10 registers in the bid database 23a that a bid has been placed in the power generation bid group selected in the power generation bid group display area 42 (that there is a bid for power sale) (step S142).

<3.2.3. Execution process>
Next, based on FIGS. 10 and 11, the contract processing in step S160 will be described.
FIG. 10 is a flow chart showing the contract procedure by the power trading system according to the embodiment of the present invention, and FIG. 11 shows an example of a power sale bid display screen displayed on the power seller terminal when searching for a power generation bid group. It is a diagram.

When the power seller confirms a bid for the power sale bidding plan (power sale bid), the power seller accesses the power trading system 10 through the power seller terminal ST and calls up power sale bid confirmation screen data (step S161). ).
The power trading system 10, which has received the call for the power sale bid confirmation screen data, 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 sales bid confirmation screen 50 will be described.
The power sale bid confirmation screen 50 includes a power sale bid search condition input area 51 , a power sale bid display area 52 , and an agreement button 53 .

The electric power sales bid search condition input area 51 includes a power generation bid group name input field 51a, a supply area selection field 51b, an electric power sales period input field 51c, a bidder name input field 51d, an electric power sales bid search button 51e, 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 power sales period input field 51c is a field for inputting the power sales 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 a command to search for power sale bids to the power trading system 10 based on the information entered 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 sale bid display area 52, the power sale bid information transmitted from the power sale bid information transmitting means 115 of the power trading system 10 is displayed one by one per line.
Each row of the electricity sales bid display area 52 displays a power generation bid group name, a power source, a bidder, an electricity sales bid plan, and the like.
In addition, each row of the power sale bid display area 52 is freely selectable.

The agreement button 53 transmits information on the power sale bid selected in the power sale bid display area 52 to the power trading system 10 .

Returning to FIG. 10, the contract processing will be further described.
The power seller inputs a search condition for searching for a power sell bid that is convenient for the power seller in the power sell bid search condition input area 51 using the power seller terminal ST.
Then, when the power seller terminal ST is operated to press the power sell bid search button 51e, the power seller terminal ST inputs the power sell bid search conditions entered in the power sell bid search condition input area 51 to the power trading system. 10 (step S164).

The power trading system 10 that has received the search conditions for the power sale bid searches for a power sale bid for the power sale bid plan that meets the received search conditions (step S165).
Then, the power sale bid information transmission means 115 of the power trading system 10 transmits the search result (information on the power sale bid for the power sale bid plan meeting the search conditions) to the power seller terminal ST (step S166).

Upon receiving the search result from the power trading system 10, the power seller terminal ST displays the power sale bids that match the search conditions in the power sale bid display area 52 (step S167).

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

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

<3.2.4. Summary>
The power trading system 10 of this embodiment configured as described above creates a power generation bid group consisting of one or more power generation sites under the jurisdiction of the power seller based on instructions from the power seller terminal ST, and stores the power generation bid group in the bid database 23a. namely, a power generation bid group registration means 111 for registering at least in the bid database 23a information on a power generation bid group composed of two or more power generation sites under the jurisdiction of the power seller, and registered in the bid database 23a. A power generation bid group search means 112 for searching a power generation bid group based on search conditions transmitted from a power purchaser's power purchaser terminal BT, and a search result by the power generation bid group search means 112 is sent to the power purchaser's 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 controls a specific power generation point, and the power purchaser can select the power generation bid group selected by the power purchaser himself/herself. can be procured, the purchaser can realize power procurement with a high degree of freedom, such as procuring power from the power generation bidding group that has offered the lowest selling price.

In addition, power sales bid plan creation means 114 for creating a power sales bid plan for the power generation bid group in the power sales period input from the power seller terminal ST of the power seller is further provided, and power generation bid information transmission means 113 By transmitting the power selling bid plan to the power buyer terminal BT of the power buyer as a search result by the bid group search means 112, the power buyer carefully examines the power generation bid group based on the power selling bid plan and then bids for power generation. Since the group can be selected, it is possible to improve the matching accuracy between the power buyer and the power seller.

In recent years, due to rising environmental awareness, the demand for RE100 (100% of the energy required for business operation is covered by renewable energy) is increasing. Even if I could select it, I couldn't even identify the power source.
However, by including information specifying the power source of the power generation bid group in the power sales bid plan, the power purchaser can select the power generation bid group that has jurisdiction over the specific power source. It is possible to easily realize electric power procurement that uses 100% renewable energy for the energy required for

In addition, a power sale bid information transmission means 115 for transmitting information on the power buyer's power sale bid to the power seller's power seller terminal ST of the power seller, and one selected based on the operation of the power seller. By further including power purchase contract registration means 116 for contract registration of the power purchase bid in the bidding database 23a, the power purchaser can select the power seller from which to purchase power after confirming the bidding conditions. , the matching accuracy between the power buyer and the power seller can be further improved.

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

First, based on FIG. 12, the outline of the power sales procedure by the power seller will be described.
FIG. 12 is a flow chart showing the power selling procedure by the power seller using the power trading system according to the embodiment of the present invention.

When the electricity seller selects a demand bidding group to sell electricity, as shown in FIG. 12, the electricity buyer registers the demand bidding group in advance (step S200). searches for a demand bidding group (step S220), and makes an electricity purchase bid for the electricity purchase bidding plan (step S240).
After that, the power purchaser confirms the power purchase bid and executes contract processing (step S260).
Each step will be described in detail below.

<3.3.1. Registration of demand bidding group >
First, the registration of the demand bid group by the power buyer in step S200 will be described with reference to FIGS. 13 to 14B.
FIG. 13 is a flow chart showing the procedure for registering a demand bid group by the power trading system according to the embodiment of the present invention, and FIGS. It is a figure which shows an example of a group setting screen.

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

Here, the demand bid 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. , a power purchase bid plan display area 66 , a power purchase bid plan registration button 67 and a 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, specification of the bid area (selection of the bid area selection tab 61a) and input of the demand bid group name (input in the demand bid group name input field 61b) are mandatory. 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.

The supply point search condition input area 62 is composed of 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 when searching for a predetermined supply point from pre-registered supply points.
The search button 62b is a button for transmitting a command to search for a supply point to the power trading system 10 based on the information entered 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 includes a supply point display field 63a, a demand bid group display field 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 information on the supply points transmitted from the power trading system 10, is displayed one supply point per line, and each line is selectable. there is
The demand bid group display field 63b is a field in which the names of the supply points constituting the candidates of the demand bid group are displayed one supply point per 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 column 63b from the demand bid group display column 63b.

The demand simulation area 64 is composed of a demand simulation button 64a and a demand simulation column 64b.
The demand simulation button 64a is a button for transmitting to the power trading system 10 a command to add up the predicted power demand of the supply points displayed in the demand bid group display field 63b.
The demand simulation field 64b is a field for displaying the predicted power demand for all supply points (demand bid group candidates) displayed in the demand bid group display field 63b transmitted from the power trading system 10. Specifically, , changes in the predicted amount of power demand for a predetermined period of time (eg, every 30 minutes) for a predetermined period (eg, one year) are displayed.

The desired power purchase unit price input area 65 includes a desired power purchase unit price input field 65a and a power purchase bid plan display button 65b.
The desired power purchase unit price input field 65a is a field for inputting a desired power purchase unit price to be registered in the power purchase bidding plan.
The power purchase bid plan display button 65b is a command to cause 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 to transmit the power purchase bid plan to the power buyer terminal BT. to the power trading system 10.

The power purchase bid plan display area 66 displays the power purchase bid plans of the demand bid group candidates received from the power trading system 10 .
Specifically, the power purchase bidding plan includes the total power consumption [MWh] as a demand bidding group candidate, the average power consumption [kWh/day] as a demand bidding group candidate, and the annual maximum power [kW] as a demand bidding group candidate. ], desired power purchase unit price as demand bid group candidate [yen/kWh], total price (total electric power as demand bid group candidate x desired power purchase unit price as demand bid group candidate) [yen], demand bid group candidate This includes information specifying the power demand forecast amount of the demand bidding group.
Note that the “demand bid group candidate power demand forecast amount” referred to here is a value obtained by adding up the power demand forecast amount for each unit time of each supply point that constitutes the demand bid group. It is a transition of the 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 also registers the content and the purchase bid plan entered in the demand bid group information input area 61. This is a button for transmitting to the power trading system 10 a command to register the power purchase bid plan displayed in the power bid plan display area 66 in the bid database 23a in association with the information on the supply points that make up the demand bid group.
The return button 68 is a button for transitioning from the demand bid group setting screen 60 to another screen (for example, the initial screen).

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

Next, the power buyer inputs information for searching for supply points that are candidates for the demand bid group to be registered in the power trading system 10 in the search condition input field 62a using the power buyer terminal BT.
Then, when the search button 62b is pressed by operating the power buyer terminal BT, the power buyer terminal BT transmits the search conditions for the supply point entered in the supply point search condition input area 62 to the power trading system 10. (Step S204).

The power trading system 10 that has received the search conditions for supply points searches for supply points that meet the received search conditions (step S205).
Then, the power trading system 10 transmits the search result (information on supply points that meet the received search conditions) to the power purchaser terminal BT (step S206).

The power buyer terminal BT that has received the search result from the power trading system 10 displays the supply point that meets the received search condition in the supply point display field 63a of the demand bid group registration area 63 (step S207).

Next, the power purchaser selects a supply point that he/she wants to form a demand bid group from the supply points displayed in the supply point display field 63a of the demand bid group registration area 63 using the power purchaser terminal BT, and presses the add button 63c. .
As a result, the demand bid group candidates are displayed in the demand bid group display field 63b (step S208).

Next, the power buyer terminal BT determines whether or not it has received an instruction to simulate demand (step S209).
When the demand amount simulation button 64a is pressed by operating the power purchaser terminal BT, the power purchaser terminal BT accepts the instruction to simulate the demand amount, and the instruction to simulate the demand amount and the demand bid group is transmitted to the power trading system 10, and the process proceeds to step S210.
If the demand amount simulation button 64a is not pressed, the power purchaser inputs the desired power purchase unit price in the desired power purchase unit price input field 65a of the power purchase desired unit price input area 65 using the power purchaser terminal BT, and the step Proceed to S213.

In step S<b>210 , the power trading system 10 that has received the command to simulate the amount of demand calculates the amount of demand for the candidates of the demand bidding group based on the predicted amount of electric power demand at each supply point calculated by the predicted amount of electric power demand calculation means 320 . create a simulation of
The power trading system 10 then transmits the simulation result to the power buyer terminal BT (step S211).
The power buyer terminal BT that has received the simulation result of the average power generation amount of the demand bidding group displays the simulation result in the demand amount simulation column 64b (step S212).
Then, the power purchaser inputs a desired power purchase unit price in the desired power purchase unit price input field 65 a of the power purchase desired unit price input area 65 using 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 entered in the demand bid group information input area 61 and the demand bid group display column 63b. Information on the supply points that are candidates for the displayed demand bid group and power purchase bid planning information such as the desired power purchase unit price entered in the desired power purchase 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 the candidate of the demand bid group from the power purchase bid plan creation information received from the power buyer terminal BT (step S214). The power purchase bidding plan is transmitted to the power buyer terminal BT (step S215).

Upon receiving the power purchase bid plan from the power trading system 10, the power purchaser terminal BT 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 a command 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 instruction to register the power purchase bid plan stores the power purchase bid plan transmitted to the power buyer terminal BT as the power purchase bid plan of the demand bid group in the bid database 23a. Register (step S218).

<3.3.2. Demand bid group search and power purchase bid>
Next, the retrieval of the demand bid 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.
FIG. 15 is a flow chart showing the procedure for searching for a demand bid group by the power trading system according to the embodiment of the present invention, and FIG. 16 is a demand bid group search screen displayed on the power purchaser terminal when searching for a demand bid group. It is a figure which shows an example.

When the power seller searches for a demand bid group, the power seller accesses the power trading system 10 using the power seller terminal ST and calls up demand bid group search screen data (step S221).
The power trading system 10 that has received the call for 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 a demand bid group search screen 70 as shown in FIG. 16 (step S223).

Here, the demand bid group search screen 70 will be described.
The demand bid group search screen 70 comprises 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 consists 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 bid group search condition input area 71, specification of a bid area (selection of the bid area selection tab 71a) is essential.

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 annual maximum demand amount range of the demand bid group.
The total power input field 71d is a field for inputting the range of the total demand of the demand bid group.
The search button 71e is a button for transmitting a command to search for a demand bid group to the power trading system 10 based on the information entered or selected in the total power input field 71d from the bid area selection tab 71a.
The clear button 71f is a button for deleting the information entered or selected from the bid area selection tab 71a in the total power input field 71d.

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

The demand forecast amount display area 73 is a column for displaying the power demand forecast amount of the entire supply point as the demand bid group selected in the demand bid group display area 72. Changes in predicted power demand for a predetermined period of time (for example, every 30 minutes) for a period (for example, one day) are displayed.

The power purchase bid plan display area 74 displays the power purchase bid plan of the demand bid group selected in the demand bid group display area 72 .

The bid button 75 transmits to the power trading system 10 a command to bid for the demand bid group selected in the demand bid group display area 72 .

Returning to FIG. 15, the search for the demand bid group by the power seller will be further described.
The power seller inputs search conditions for searching for a demand bid group from which power is to be procured in the demand bid group search condition input area 71 using 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 inputs the search conditions for the demand bid group entered in the demand bid group search condition input area 71 to the power trading system 10. (step S224).

The demand bid group searching means 122 of the power trading system 10 that has received the search conditions for the demand bid group searches for a demand bid group that meets the received search conditions (step S225).
Then, the demand bid information transmitting means 123 of the power trading system 10 transmits the search result (information such as the power purchase bid plan of the demand bid group meeting the search conditions) to the power seller terminal ST (step S226).

Electricity seller terminal ST, which has received the search result from power trading system 10, displays information on the demand bid group in demand bid group display area 72 (step S227).

Next, the power seller selects a demand bid group to which it wishes to 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 electricity seller selects a demand bidding group that the electricity seller wishes to bid on using the electricity seller terminal ST, the electricity seller terminal ST transmits to the power trading system 10 a demand forecast amount of the selected demand bidding group and an instruction to call the electricity purchase bidding plan. (step S229).

The power trading system 10 receives the demand forecast amount and the power purchase bid plan call order of the demand bid group selected by the electricity seller, and transmits the demand forecast amount and the electricity purchase bid plan of the demand bid group to the electricity seller terminal ST. (step S230).

The power seller terminal ST, which has received the demand forecast amount and 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. It is displayed in area 74 (step S231).

When the bid button 75 is pressed by operating the power seller terminal ST, the power trading system 10 instructs the power trading system 10 to bid on the power purchase bid plan of the demand bid group selected in the demand bid group display area 72 (bid instruction). (step S241).
After receiving the bid instruction, the power trading system 10 registers in the bid database 23a that a bid has been placed in the demand bid group selected in the demand bid group display area 72 (that a power purchase bid has been made) (step S242).

<3.3.3. Execution process>
Next, based on FIGS. 17 and 18, the contract processing in step S260 will be described.
FIG. 10 is a flow chart showing a contract procedure by the 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 bid group. It is a diagram.

When the power purchaser confirms a bid (power purchase bid) for the power purchase bid plan, the power purchaser accesses the power trading system 10 using the power purchaser terminal BT and calls up the power purchase bid confirmation screen data (step S261). ).
The power trading system 10 that has received the call for the power purchase bid confirmation screen data transmits the power purchase bid confirmation screen data to the power buyer terminal BT (step S262).
As a result, the power buyer terminal BT displays a 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 includes an power purchase bid search condition input area 81 , an power purchase bid display area 82 , and an agreement button 83 .

The power purchase bid search condition input area 81 includes 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 a command to search for power purchase bids to the power trading system 10 based on the information entered 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 power trading system 10 is displayed one per line.
Each line of the power purchase bid display area 82 displays a demand bid group name, a bidder, a power purchase bid plan, and the like.
In addition, each line of the power purchase bid display area 82 is freely selectable.

The agreement 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 search conditions for searching for power purchase bids that are convenient for the power purchaser in the power purchase bid search condition input area 81 through 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 enters the power purchase bid search conditions entered in the power purchase bid search condition input area 81 into the power trading system. 10 (step S264).

The power trading system 10 that has received the search conditions for the power purchase bid searches for power purchase bids for the power purchase bid plan that meets the received search conditions (step S265).
Then, the power purchase bid information transmitting means 125 of the power trading system 10 transmits the search result (information on the power purchase bid for the power purchase bid plan meeting the search conditions) to the power buyer terminal BT (step S266).

The power buyer terminal BT that has received the search results from the power trading system 10 displays power purchase bids that match the search conditions in the power purchase bid display area 82 (step S267).

The power purchaser confirms the power purchase bids displayed in the power purchase bid display area 82 of the power purchase bid confirmation screen 80 using the power purchaser terminal BT, selects the power purchase bid with the best conditions, and presses the contract button 83. Press.
When contract button 83 is pressed by operating power buyer terminal BT, one power purchase bid selected in power purchase bid display area 82 is transmitted to power trading system 10 as a contract target (step S268).

Then, the power sale agreement registering means 216 of the power trading system 10 that has received the information of the power purchase bids to be contracted, contracts and 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 power trading system 10 of this embodiment configured as described above creates a demand bid group consisting of one or more supply points under the jurisdiction of the power buyer based on instructions from the power buyer terminal BT in the bid database 23a. i.e., a demand bid group registration means 121 for registering at least in the bid database 23a information on a demand bid group composed of two or more supply points under the jurisdiction of the power purchaser, and registered in the bid database 23a. A demand bid group search means 122 for searching a demand bid group based on a search condition transmitted from a power seller terminal ST of the power seller; By providing the demand bid information transmitting means 123 for transmitting to the terminal ST, the power seller can freely select a demand bid group that has jurisdiction over a specific supply point, and the power seller selects the power from the demand bid group selected by himself/herself. can be purchased, the power seller can realize power procurement with a high degree of freedom for the power seller, such as procuring the demand bid group that has offered the highest buying price.

Power purchase bid plan creation means 124 for creating a power purchase bid plan for the demand bid group for the power purchase period input from the power purchaser terminal BT of the power purchaser is further provided. By transmitting the power purchase bid plan as a search result by the bid group search means 122 to the power seller terminal ST of the power seller, the power seller examines the demand bid group based on the power purchase bid plan and then conducts the demand bid. Since the group can be selected, it is possible to improve the matching accuracy between the power buyer and the power seller.

Furthermore, an actual power consumption acquisition unit 310 for acquiring the actual power consumption at the supply point up to a predetermined time, and a predicted amount of power demand per unit time at the supply point after a predetermined time based on the actual power consumption at the supply point. and the power purchase bid plan created by the power purchase bid plan creating means 124 sums up the power demand forecast amount per unit time of each supply point belonging to the demand bid group. The demand bid group power demand forecast amount obtained by summing the power demand forecast amount per unit time of each supply point belonging to the demand bid group is transmitted by the demand bid information transmitting means. Therefore, the power seller can confirm the size of the time change of the power consumption of the power buyer and realize the power sale.

In addition, a power purchase bid information transmitting means 125 for displaying 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 an electricity sales agreement registration means 126 for registering agreements of electricity bids in the bidding database, the electricity purchaser can confirm the bidding conditions and select the electricity seller from which to purchase electricity. It is possible to further improve the matching accuracy between the electric power supplier and the electric power seller.

<4. Variation>
Although the embodiments 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 power seller may sell power to a plurality of power buyers using the power trading system of this embodiment.

For example, in the present embodiment, the other power trading system was a JEPX power trading system, but if the other power trading system is a power trading system that conducts spot trading and forward trading of power, a power trading system other than JEPX can be used. It may be a system.

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

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

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

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

10 : power trading system 100 : long-term bilateral trading subsystem 110 : power purchase trading component 111 : power generation bidding group registration means 112 : power generation bidding group search means 113 : transmission of power generation bidding information Means 114 --- Electricity sales bid plan creation means 115 --- Electricity sales bid information transmission means 116 --- Electricity purchase contract registration means 120 --- Electricity sales 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 Predicted power demand calculation means 330 Power generation acquisition means 340 Predicted power generation calculation means

20... Processing device 21... Communication unit 22... Input unit 23... Storage unit 23a... Bidding database 24... Processing unit

DB: Meteorological database NW: Network FSM: Forward current meter RSM: Reverse current meter ES: Other power trading system BT: Power buyer terminal ST: Power selling terminal

Claims (11)

A power buyer terminal of a power buyer desiring to purchase power and a power seller terminal of a power seller desiring to sell power are connected to form a power buyer and the power seller, comprising a processing device and a bidding database. A power trading system that supports power trading between parties,
the power seller terminal transmits to the processing device information on a power generation bidding group composed of power generation sites under the jurisdiction of the power seller;
The power buyer terminal transmits search conditions related to the power generation bid group to the processing device,
The processing device
Information on a power generation bid group composed of two or more power generation sites selected on the power seller terminal from power generation sites under the jurisdiction of the power seller based on instructions from the power seller terminal, at least in the bid database a power generation bidding group registration means for registering in
power generation bid group search means for searching information on 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 power generation bid information transmitting means for transmitting a search result by the power generation bid group searching means to a power purchaser terminal of the power purchaser. The processing device further comprises power sales bid plan creation means for creating a power sales bid plan for the power generation bid group for the power sales period input from the power seller terminal of the power seller,
2. The power buyer terminal of the power buyer, wherein the power generation bid information transmitting means of the processing device transmits the power selling bid plan as a search result by the power generation bid group searching means to the power buyer terminal of the power buyer. power trading system. 3. The power trading system according to claim 2, wherein the power selling bidding plan includes information specifying the power source of the power generation bidding group. The processing device comprises a power sale bid information transmitting means for transmitting information of the power purchaser's power sale bid for the power sale bid plan to the power seller's power seller terminal, and based on the operation of the power seller. 4. The power trading system according to claim 2, further comprising power purchase contract registration means for contract registration of the selected one of said power purchase bids in said bid database. A power buyer terminal of a power buyer desiring to purchase power and a power seller terminal of a power seller desiring to sell power are connected to form a power buyer and the power seller, comprising a processing device and a bidding database. A power trading system that supports power trading between parties,
the power buyer terminal transmits information on a demand bidding group composed of supply points under the jurisdiction of the power buyer to the processing device;
The power seller terminal transmits search conditions related to the demand bid group to the processing device,
The processing device
Information on a demand bid group composed of two or more supply points selected on the power buyer terminal from supply points under the jurisdiction of the power buyer based on instructions from the power buyer terminal at least in the bid database a demand bid group registration means for registering with
demand bid group search means for searching information on 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 for transmitting a search result by the demand bid group search means to a power seller terminal of the power seller. The processing device further comprises a power purchase bid plan creating means for creating a power purchase bid plan for the demand bid group for the power purchase period input from the power buyer terminal of the power buyer,
6. The power seller terminal of the power seller, wherein the demand bid information transmitting means of the processing device transmits the power purchase bid plan as a search result by the demand bid group search means to the power seller terminal of the power seller according to claim 5. power trading system. The processing device comprises an actual power consumption acquisition means for acquiring an actual power consumption at the supply point up to a predetermined time, and a unit time at the supply point after a predetermined time based on the actual power consumption at the supply point. and a predicted power demand calculation means for calculating a predicted power demand for each unit,
7. The power purchase bidding plan according to claim 6, wherein the power purchase bid plan includes a demand bid group power demand forecast amount obtained by summing the power demand forecast amounts for each of the supply points constituting the demand bid group for each unit time. power trading system. The processing device comprises power purchase bid information transmission means for displaying information on the power purchase bid of the power seller to the power purchase bid plan on the power purchaser terminal of the power purchaser, and based on the operation of the power purchaser. 8. The power trading system according to claim 6, further comprising power sale contract registration means for contract registration of one selected power purchase bid in said bid database. 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, comprising a power buyer terminal of a power buyer who wishes to purchase power and a power buyer who wishes to sell the power. A power trading method for supporting power trading between a power buyer and a power seller by a power trading system to which a power seller terminal of the power seller is connected,
The power generation bid group registration means of the processing device registers information of a power generation bid group composed of two or more power generation points selected from power generation points on the power seller terminal under the jurisdiction of the power seller terminal. registering with at least the bid database based on instructions from
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 regarding the power generation bid group transmitted from the power purchaser terminal of the power purchaser. a step;
and a step of transmitting a search result by the power generation bid group search means to a power purchaser terminal of the power purchaser by the power generation bid information transmission means of the processing device. A processing device having demand bid group registration means, demand bid group search means, and demand bid information transmission means, and a bid database, comprising a power buyer terminal of a power buyer who wishes to purchase power and a power buyer who wishes to sell power. A power trading method for supporting power trading between the power buyer and the power seller by means of a power trading system to which a power seller terminal of the power seller is connected,
The demand bidding group registration means of the processing device stores information of a demand bidding group composed of two or more supply points selected on the power buyer terminal from supply points under the jurisdiction of the power buyer. registering with at least the bid database based on instructions from
The demand bid group search means of the processing device searches for information on the demand bid group registered in the bid database based on search conditions relating to the demand bid group transmitted from the power seller terminal of the power seller. a step;
and a step of sending a search result by the demand bid group searching means to a power seller terminal of the power seller by the demand bid information transmitting means of the processing device. A power trading program that supports power trading between a power buyer who wishes to purchase power and a power seller who wishes to sell power,
11. A power trading program that causes the processing device to execute each step of the power trading method according to claim 9 or 10.

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