JP2003022301A - System of contracting for retail power - Google Patents

Abstract

PROBLEM TO BE SOLVED: To retail power bought from a power generation provider with low- power charges to a contracted general consumer by surveying power charges of a power company and independent power generation providers in advance, setting power retail charges, based on the power charges and providing general consumers with the information about the power retail charges. SOLUTION: A power provider 13 obtains respective power charge menus of power suppliers, such as the power company 11 and the independent power generation providers 12a and 12b, also purchases power, sets the retail power charges on the basis of the power charge menus and notifies each power consumer of the retail power charges via IP network 17. The power provider 13 sends the purchased power to contracted consumers on consignment via a transformer station 23 for power distribution of the power company 11. The power provider 13 also takes out power safety supply insurance as necessary to prepare for, for example, unpredictable rise in power charges and in cases the independent power generation providers 12a and 12b is unable to supply power.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a retail electric power contract system for purchasing electric power cheaper than an electric power supplier or the like and retailing the electric power to contracted general consumers.

[0002]

2. Description of the Related Art Conventionally, electric power retailing for general households, buildings, general enterprises, etc. has been limited to pre-approved electric power companies. Recently, however, the electric power retailing has been liberalized due to deregulation. Electric power suppliers, such as independent power producers (IPP: Independent Power Providers), can now sell electric power.

[0003]

As a result of the liberalization of electric power retailing due to the deregulation as described above, even general consumers such as shops and ordinary households are not limited to the local electric power company but other independent power companies. It becomes possible to purchase electric power from the power generation company. Large-scale customers such as large factories and high-rise buildings employ power-related specialists, etc. to investigate the electricity charges and stability of electricity supply of electric power companies and independent power producers, and purchase electricity from anywhere. You can make a contract with an electric power company or an independent power generation company by deciding whether or not to do so.

However, it is very difficult for general consumers such as shops and ordinary households to investigate the power charges and the stability of the power supply of electric power companies and independent power generators. Unable to determine if it is better to contract with the power generation company.

The present invention has been made to solve the above-mentioned problems, and it investigates the electric power charges of electric power companies and electric power suppliers in advance, and sets the electric power retail charges based on them, and at the same time, the electric power charges and the above The purpose of the present invention is to provide the electricity charges of each company surveyed to general consumers and to provide a retail electricity contract system for retailing electricity to the contracted general consumers.

[0006]

[Means for Solving the Problems] A retail power contract system according to a first aspect of the present invention is a research means for investigating each power charge of an electric power company and a power supplier, and an own company based on the result of the investigation by the research means. The charge setting means for setting the retail power charge, the charge information notifying means for notifying the customer of the power charges set by the charge setting means and the power charges of other companies through the IP network, and the charge information notifying means Contracting means for contracting a retailer of electric power with a customer who desires to purchase the electric power based on the electric power rate, and purchasing the electric power from a power supplier with a low electric power rate based on the result of the investigation by the investigating means, and the contracting customer. And a charge notifying means for notifying the respective contract customers of a power charge according to the power usage amount for each fixed period. Characterized in that it was. As described above, the electric power charges of the electric power company and the electric power supplier are preliminarily investigated and the retail electric power charge of the company is set, and the electric power charges and the electric power charges of other companies based on the investigation result are provided to the customer. , Customers can compare and consider the electricity charges of each company, and based on the result of the examination, they can purchase electricity by contracting with a place where the charges are low.

A retail power contract system according to a second aspect of the present invention sets up a retail power charge of a company based on a research means for researching each power charge of an electric power company and a power supplier and a result of the research by the research means. A charge setting means, a charge information notifying means for notifying a customer of the power charge set by the charge setting means and the power charge of another company through an IP network, and the power consumption based on the power charge notified by the charge information notifying means. Contract means for contracting electricity retail with a customer wishing to purchase, and power is purchased from a power supplier with a low electricity rate based on the result of the investigation conducted by the research means, and the contract customer is passed through the electric power company. And the method of entrusting the stable electricity supply insurance to prepare for the occurrence of an abnormal situation, and responding to each of the contract customers with the amount of electricity used at regular intervals. Characterized in that the and a charge notification means for notifying the power rate.

[0008] As described above, when purchasing power from a power supplier with a low power rate and consigning it to a contract customer via a power company, by preliminarily subscribing to a stable power supply insurance, for example, unpredictable power Even if there is an abnormal situation such as soaring tariffs or the power supplier not being able to supply power,
A stable power supply becomes possible.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is an overall schematic configuration diagram of a retail power contract system according to an embodiment of the present invention. In FIG. 1, 11 is, for example, a local electric power company, 12a, 1
2b is an independent power producer (IPP), 13 is an electric power provider, 14 and 15 are large-scale consumers such as buildings and factories, 16a and 16b are small-scale general consumers such as general houses, and these are IP (Internet Protocol). ) Subscribe to network (Internet) 17.

The electric power company 11 has an electric power system 20. This electric power system 20 includes, for example, power plants 21a, 21 such as a hydroelectric power plant, a thermal power plant, and a nuclear power plant.
b, the substation 22, and the distribution substation 23, the electric power generated by the power stations 21a and 21b is sent to the substation 22 through the power transmission line 24, and the high-voltage power output from the substation 22 is generated. It is sent to the distribution substation 23 via the power transmission line 25. Then, the electric power stepped down at the distribution substation 23 is supplied to the customers such as the building 14, the factory 15, the general houses 16a and 16b by the distribution line 26.

In addition, independent power generation companies 12a and 12b
Are provided with IPP power plants 31a and 31b, respectively, and the electric power generated by the IPP power plants 31a and 31b is passed through the distribution substation 23 of the power company 11 to the building 14 and the factory 1.
5. Deliver to customers such as general houses 16a and 16b.

On the other hand, the electric power provider 13 obtains the electric power charge menus of the electric power companies 11 and the electric power suppliers such as the independent power generators 12a and 12b, purchases electric power, and retails based on the electric power charge menu. A power charge is set and each customer is notified by the IP network 17. Then, the electric power provider 13 sends the purchased electric power to the contracted customer via the distribution substation 23 of the electric power company 11. In addition, the power provider 1
3 joins the stable power supply insurance as needed, for example, unpredictable soaring power charges, independent power producers 12
In case the a and 12b cannot supply electric power.

Next, the processing operation relating to the retail electric power of the electric power provider 13 in the above embodiment will be described with reference to the flowchart shown in FIG. The electric power provider 13 first obtains the electric power charge menu of the local electric power company 11, and also obtains the electric power charge menu of the electric power supplier such as the independent power producers 12a and 12b (step A1), and then the electric power charge menu is displayed. By comparing and examining, the electric power that is cheaper than the electric power company 11 is supplied by an electric power supplier, for example, an independent power generation company
Purchase from 2a, 12b, etc. (step A2). In addition,
It is assumed that the charges for the electric power purchased from the independent power generation companies 12a, 12b, etc. include the charges for the transfer to the electric power company 11.

The electric power provider 13 prepares an electric power charge model A according to the electric power charge menu of the local electric power company 11 thus obtained (step A3), and at the same time, purchases electric power from the independent power producers 12a, 12b. Create a power charge model B based on the charge (step A
4). The electricity bill model B created in step A4 is a fee that does not include a commission in the electricity provider 13.

Next, the electricity charge model A of the electric power company 11 created in step A3 and the electricity charge model B of the electric power provider 13 created in step A4 are compared to obtain the difference and a certain ratio to the difference. Is set as the commission, and this commission is added to the above power bill model B to set the final power bill menu C to be presented to the consumer (step A5). The electric power charge menu C is an electric power charge when the electric power provider 13 retails electric power to a contract customer, and is set to a price lower than the electric power charge of the electric power company 11.

Then, the electricity charge menu C is notified to each customer such as the ordinary houses 16a and 16b through the IP network 17 (step A6).

Each consumer examines the contents of the electricity rate menu C sent from the electricity provider 13 and, if he / she wants to purchase electricity from the electricity provider 13, makes a contract with the electricity provider 13 (step A7).

Further, the electric power provider 13 takes out a stable electric power supply insurance as needed (step A8), and, for example, an unpredictable soaring electric power charge or an independent electric power producer 12
In case the power cannot be supplied to the customer due to factors such as a and 12b. That is, even when various problems occur, the insurance is used to prepare for stable supply of electricity to consumers.

The power provider 13 uses the above step A7.
Independent power producers 12a, 1
The electric power purchased from 2b or the like is sent via the distribution substation 23 of the electric power company 11 (step A9), and the monthly electric power charge is notified to the contract customer by the IP network 17 (step A10).

FIGS. 3 (a) and 3 (b) show an example of a bill format of the power usage charge displayed on the terminal device of the contract customer. In the format example shown in FIG. 3A, the charge column 40 and the reference charge column 4 of the power provider 13
3 is provided. In the charge column 40 of the power provider 13, for example, the title “Notice of power charges of Mr. XX” is displayed, and a display column 41 of “electric power consumption of this month” and a display column 42 of “our power charge” are provided. . Also, the reference fee column 43
For example, the title of "(reference)" is displayed, and "A
A display field 44 for "electric power charge of electric power company" and a display field 45 for "electric power charge of B power provider" are provided. Reference fee column 4
In 3, the electric power charges of the A electric power company and the B electric power provider on the assumption that the same electric power consumption amount as the electric power consumption amount displayed in the display column 41 of the “monthly electric power consumption amount” are consumed are displayed for reference. As the above-mentioned "electric power charge of the electric power company A", the electric power charge of the local electric power company 11 is displayed.

In the example shown in FIG. 3 (a), "2" is displayed in the display field 41 of "This month's power consumption" in the power provider 13.
"1" in the display column 42 of "50 kWh" and "Our power rate"
"5,000 yen" is displayed, and "A" in the reference display column 43 is displayed.
In the display field 44 of "Electric power charges of electric power company", "20,000
"19,000 yen" is displayed in the display fields of "yen" and "B power provider's electricity charge".

By providing the reference display column 43 as described above, it becomes possible to compare the electric power charges of the electric power provider 13 with the electric power charges of the local electric power company 11 and other electric power providers. It is possible to let contract consumers recognize that the price is cheaper than the electricity charges of other companies.

In the format example shown in FIG. 3 (b), for example, the title "Mr. XX Notice of Electricity Fee" is displayed, and the display column 51 of "Power consumption of this month" and "Electricity fee of this month" are displayed. A column 52, a “previous month power consumption” display column 53, a “previous month power charge” display column 54, and a reference charge button 55 are provided. Then, when the reference charge button 55 is pressed, the entire screen shown in FIG. 3A or the reference charge column 43 is displayed.

As described above, the reference charge button 55 is provided on the power charge invoice screen, and when the reference charge button 55 is pressed, the power charges of other companies are displayed for reference, whereby the above-mentioned FIG. 3 (b) is displayed. The same effect as in the case of can be obtained.

General house 1 contracted with the power provider 13
Customers such as 6a and 16b can access the IP network 17
When the power charge is billed through, the power charge is paid after confirming the power consumption and the power charge. As a method of paying this electric power charge, any method such as automatic debit from a bank account or payment from a bank or post office can be used.

According to the above embodiment, the power provider 1
3 examines the electricity charges of the electric power company 11 and the independent power producers 12a and 12b, and notifies them to the general consumers such as the shops and the general houses 16a and 16b through the IP network 17, so that even the general consumers can use the electric power company. 11 and independent power producers 12a, 12b can easily know the power charges, which enables comparison and judgment of the power charges of each company, and contracts with a power provider 13 with a low power charge to purchase the power. You can

[0027]

As described above in detail, according to the present invention, the electric power charge of the electric power company or the electric power supplier is investigated in advance, and the electric power retail charge is set based on the electric power charge, and the electric power charge and the above-mentioned investigation are conducted. Electricity charges of each company are provided to general consumers, and electricity is purchased from independent power generators with low electricity charges and retailed to the contracted customers. It is possible to compare and consider the electricity charges such as the above and the electricity charges of the electricity providers, and it is possible to purchase the electricity by contracting with the electricity providers with the low electricity charges.
In addition, by enrolling in the stable power supply insurance as necessary, the electric power provider will be able to maintain stability even if an unexpected situation such as a sharp rise in the electricity rate or an independent power producer cannot supply electric power. It is possible to supply the required power.

[Brief description of drawings]

FIG. 1 is a block diagram showing a schematic configuration of a retail power contract system according to an embodiment of the present invention.

FIG. 2 is a flowchart showing a processing operation in the same embodiment.

FIG. 3 is a diagram showing an example of a bill format of a power usage rate displayed on a terminal device of a contract customer in the embodiment.

[Explanation of symbols]

11 ... Power company 12a, 12b ... Independent power producer (IPP) 13 ... Electricity provider 14 ... Building 15 ... Factory 16a, 16b ... General housing 20 ... Power system 21a, 21b, ... Power plant 22 ... Substation 23 ... Distribution substation 24, 25 ... Power transmission line 26 ... Distribution line 31a, 31b ... IPP power plant 41 ... Display field of "electric power consumption of this month" 42 ... Display field of "our power rate" 43 ... Reference fee column 44 ... Display field for "A power company's electricity charge" 45 ... Display field for "B electricity provider's electricity charge" 51 ... Display field of "This month's power consumption" 52 ... Display field of "electricity price of this month" 53 ... Display field of "Power consumption of the previous month" 54 ... Display field of "Price of previous month" 55 ... Reference fee button

Front page continuation (51) Int.Cl. ⁷ Identification code FI theme code (reference) H02J 3/46 H02J 3/46 G

Claims (4)

[Claims] 1. A research means for investigating each power charge of an electric power company and a power supplier, a charge setting means for setting a retail power charge of the company on the basis of the result of the investigation by the research means, and the charge setting means. And a retailer of the power and the customer who desires to purchase the power based on the power charge notified by the charge information notification unit Contract means for contracting, and a means for purchasing electric power from an electric power supplier with a low electric power rate based on the result of the investigation by the investigating means, and consigning it to the contract customer via the electric power company, and each of the contracts. A retail power contract system comprising: a charge notification unit that notifies a customer of a power charge according to the amount of power used at regular intervals. 2. A research means for investigating each power charge of an electric power company and a power supplier, a charge setting means for setting a retail power charge of the company on the basis of the result of the investigation by the research means, and the charge setting means. And a retailer of the power and the customer who desires to purchase the power based on the power charge notified by the charge information notification unit A contract means for contracting a contract, a means for purchasing electric power from an electric power supplier with a low electric power rate based on the result of the investigation by the investigation means, and a method of consigning the electric power to the contract customer via the electric power company, and a stable electric power supply. Means for joining insurance and preparing for the occurrence of an abnormal situation; and a charge notifying means for notifying each of the contract customers of a power charge according to the amount of power used at regular intervals. A retail power contract system characterized by comprising: 3. The retail power contract system according to claim 1, wherein the charge notifying means for each contract customer is performed through an IP network. 4. The retail power contract system according to claim 1, 2 or 3, wherein the charge notification means for each contract customer indicates a power charge of another company as a reference charge.