KR101899302B1 - System for issuance and trading of Solar Credit using monitoring data of solar power generation - Google Patents

Abstract

Disclosed is a system for issuing and trading a photovoltaic power generation certificate using photovoltaic power generation monitoring data. The system for issuing and trading a photovoltaic power generation certificate using photovoltaic power generation monitoring data comprises: a monitoring device to measure a production amount of power produced by a photovoltaic power generation facility; a producer terminal to acquire information for the production amount of power produced by the photovoltaic power generation facility from the monitoring device; a photovoltaic power generation certificate trading server to issue a photovoltaic power generation certificate to the producer terminal based on the information for the production amount of power received from the producer terminal; and a consumer terminal to purchase the issued photovoltaic power generation certificate from the producer terminal. The photovoltaic power generation certificate trading server transfers the photovoltaic power generation certificate to the consumer terminal based on photovoltaic power generation certificate trading information with the consumer terminal when the photovoltaic power generation certificate trading information is received from the producer terminal. Accordingly, photovoltaic power generation monitoring data are used to issue a photovoltaic power generation certificate to omit unnecessary procedures and processes to allow a producer to issue the photovoltaic power generation certificate to provide the producer with convenience and minimize sale procedures between the producer and consumers to provide the producer and consumers with convenience.

Description

[0001] Solar power generation certificate issuing and trading system using solar power monitoring data [0002]

The present invention relates to a solar power generation certificate issue and transaction system, and more particularly, to a system for issuing and trading solar power generation certificate using solar power generation monitoring data.

Carbon credits represent the right to discharge a certain amount of six greenhouse gases, such as carbon dioxide and methane, issued by the United Nations Framework Convention on Climate Change (UNFCCC) They can be traded on exchanges or off-market.

The Kyoto Protocol (adopted in December 1997 and effective from February 16, 2005), a protocol adopted by the United Nations Framework Convention on Climate Change to effectively achieve its GHG reduction targets, The concept of carbon credits was established.

The three systems of the Kyoto Protocol are the joint implementation (a system in which a portion of greenhouse gas reductions generated by joint investment by developed countries is recognized as emission reduction results), a clean development system (greenhouse gas emissions from developed countries investing in developing countries (A system that allows emission reductions to be reflected in the reduction results of their own countries), emission trading (a system that allows the remaining emission rights to be sold to other countries if the emission amount is less than the amount allocated by countries with greenhouse gas reduction obligations) it means.

On the other hand, solar power generation not only does not destroy the environment, but also has various advantages such as no use of resources because it uses solar light, and recently the solar power generation market is showing a high growth.

Therefore, it is required to develop a system that can issue and trade a solar power certificate on the greenhouse gas reduced through photovoltaic power generation, similar to the concept of a carbon credits production and trading system. There is a need for a scheme that can contribute to the diffusion and dissemination of photovoltaic power generation through compensation.

Korean Patent No. 10-1269587 (entitled " Economic Analysis System and Intermediary System for Solar Power Generation Based on Geographic Information System) Korean Patent No. 10-1048691 (Integrated GHG Emission Trading System via Online Network)

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a photovoltaic power generation system, a photovoltaic power generation system, In order to issue a photovoltaic power generation certificate, it is possible to omit the process of reporting and verifying it to the international organization like the right of greenhouse gas emission. Also, the procedure of trading between the producer and the photovoltaic power generation certificate dealers, And to provide a solar power generation certificate issuing and trading system using photovoltaic monitoring data.

According to an aspect of the present invention, there is provided a solar power generation certificate issuing and trading system using photovoltaic power generation monitoring data, the monitoring system comprising: a monitoring device for measuring a power generation amount generated in a photovoltaic power generation facility; A producer terminal capable of acquiring information on the amount of electric power produced by the solar power generation facility from the monitoring device; A photovoltaic generation certificate transaction server for issuing a photovoltaic power generation certificate to the producer terminal based on information on the power generation amount received from the producer terminal; And a consumer terminal provided to be able to purchase the issued photovoltaic power generation certificate, wherein when the photovoltaic generation certificate transaction information with the consumer terminal is received from the producer terminal, And transfer the solar power generation certificate to the consumer terminal based on the received solar power generation certificate transaction information.

In addition, the solar power generation certificate transaction server may issue the photovoltaic generation certificate according to the received power generation amount, when the information about the power generation amount is received, It is possible to issue the value of the photovoltaic power generation certificate differently by discriminating whether it is a renewable energy duty allocation type (RPS) power generation facility.

The solar power generation certificate transaction server displays the unit of the solar power generation certificate to be issued as Solar Credit, and if it is determined that the solar power generation facility is a social contribution type power generation facility, If it is determined that the photovoltaic power generation facility is a new renewable energy requirement-based power generation facility, it is determined that the amount of the generated power is equal to 1 Solar Credit per 5 MWh Can issue solar PV certificate.

The solar power generation certificate transaction server may predict the power generation amount of the solar power generation facility based on the weather information received from the outside and the power generation history information of the solar power generation facility, Based on the results of forecasting the power generation of Korea, it is possible to generate transaction trend information by predicting the trend of cash value for 1 Solar Credit.

In the case of predicting the power generation amount, the photovoltaic generation certificate transaction server sets the weights related to the solar radiation amount of the area installed in the solar power generation facility, the weight with respect to temperature, and the weight with respect to the wind speed to 2, 0.2, and 0.1, respectively .

In addition, the monitoring apparatus adds identification information to the information on the measured power generation amount, and transmits the generated information to the producer terminal and the PV certificate transaction server, respectively, and the producer terminal receives the power received from the monitoring apparatus And transmits the information on the amount of production to the solar power generation certificate transaction server to request issuance of a solar power generation certificate equivalent to the amount of power production produced by the monitoring device, When a request for issuance of a photovoltaic power generation certificate is received and information on the amount of production is requested and the issuance of the photovoltaic power generation certificate is requested, a numerical value of the power generation amount received from the producer terminal requesting issuance of the photovoltaic generation certificate And identification information of the power generation amount received from the monitoring device Only in accordance with the comparison value and the value of the identification information it may issue a certificate for the solar power as the received power production.

In addition, when the producer terminal receives the purchasing intention regarding the part or all of the issued photovoltaic generation certificate from the consumer terminal, the producer terminal can charge the purchase price of the photovoltaic power generation certificate for direct purchase with the consumer terminal, The method comprising: requesting transfer of the right of the photovoltaic power generation certificate to be sold to the photovoltaic generation certificate transaction server by the consumer terminal; can do.

The solar power generation certificate transaction server may collect information on a solar power generation certificate transaction cost between a plurality of producer terminals and a plurality of consumer terminals to calculate a monthly average price of 1 Solar Credit to be traded.

Accordingly, it is possible to issue a photovoltaic power generation certificate using the photovoltaic power generation monitoring data and to provide convenience to the producer by omitting unnecessary procedures and processes for issuing the photovoltaic power generation certificate by the producer, Trading procedures can also provide convenience to producers and consumers by minimizing procedures.

FIG. 1 is a diagram schematically showing the configuration of a solar power generation certificate issuing and trading system using solar power monitoring data according to the present embodiment.
FIG. 2 is a diagram for explaining the construction of a solar power generation certificate issuing and trading system using solar power monitoring data according to the present embodiment in more detail.
FIG. 3 is a diagram illustrating a method of issuing and trading a solar power generation certificate using a solar power generation certificate issuing and trading system using solar power generation monitoring data according to the present embodiment.

Hereinafter, the present invention will be described in detail with reference to the drawings. The embodiments described below are provided by way of example so that those skilled in the art will be able to fully understand the spirit of the present invention. The present invention is not limited to the embodiments described below and may be embodied in other forms.

 FIG. 1 is a diagram schematically showing a configuration of a solar power generation certificate issuing and trading system (hereinafter, collectively referred to as a 'solar power generation certificate issuing and trading system') using solar power generation monitoring data according to the present embodiment, FIG. 2 is a diagram illustrating a configuration of a solar power generation certificate issuing and trading system according to an embodiment of the present invention.

The solar power generation certificate issuing and trading system according to the present embodiment issues a photovoltaic power generation certificate using the photovoltaic power generation monitoring data and issues a photovoltaic power generation certificate by the producer who uses the photovoltaic power generation facility It is possible to omit the process of reporting and verifying to the international organization like the greenhouse gas emission right, and the procedure of the transaction between the producer and the consumer of the PV certificate transaction broker, the individual and the institution is also set up to minimize the procedure.

The solar power generation certificate issuing and trading system includes a monitoring apparatus 100, a producer terminal 200, a solar power generation certificate transaction server 300, and a consumer terminal 400.

The monitoring device 100 is provided to measure the amount of power produced by the PV facility.

Specifically, the monitoring apparatus 100 is installed in a solar power generation facility, measures the amount of power produced by the solar power generation facility, adds identification information to the information about the amount of power generation, Information on the power generation amount to which the identification information is added to the producer terminal 200 and the photovoltaic generation certificate transaction server 300 matched to receive the information on the generated power generation amount.

For this, the monitoring apparatus 100 may include a power generation amount measuring unit 110, a first control unit 120, and a first communication unit 130.

The electric power production amount measurement unit 110 is provided for measuring the electric power production amount produced by the solar power generation facility.

The first control unit 120 generates information on the measured power generation amount and outputs the generated information to the producer terminal 200 and the solar power generation certificate transaction server 300 when the power generation amount is measured by the power generation amount measurement unit 110. [ As shown in FIG.

Specifically, the first control unit 120 generates information on the electric power production amount in accordance with the electric power production amount measured by the electric power production amount measurement unit 110, adds identification information to the information on the electric power production amount, To the producer terminal 200 and the photovoltaic generation certificate transaction server 300 through the server 130. [

Specifically, for example, the first control unit 120 generates information on the electric power production amount in accordance with the electric power production amount, identifies an output value that is randomly output using the random number function, And can transmit it to the producer terminal 200 and the solar power generation certificate transaction server 300 through the first communication unit 130, respectively.

In addition, identification information includes identification information for each power generation facility, so that it is possible to identify whether the photovoltaic generation facility is a social contribution type power generation facility or a renewable energy duty type allocation (RPS) generation facility, And is an identification information generated so as to be able to identify which solar power generation facility is matched with which producer terminal 200.

The first communication unit 130 is connected to the producer terminal 200 and the photovoltaic generation certificate transaction server 300 via a wireless or wired network and is provided to transmit information on the power generation amount.

The producer terminal 200 receives and acquires information on the amount of power produced by the solar power generation facility from the monitoring device 100 and transmits information on the amount of power generated to the solar power generation certificate transaction server 300, Requesting the issuance of a photovoltaic certificate, and trading the issued photovoltaic certificate.

For this, the producer terminal 200 may include a second communication unit 210 and a second control unit 220.

The second communication unit 210 is connected to the first communication unit 130, the photovoltaic generation certificate transaction server 300 and the consumer terminal 400 through a wireless or wired network and transmits information necessary for driving the producer terminal 200 ≪ / RTI >

The second control unit 220 is provided for processing various matters of the producer terminal 200. Specifically, the second control unit 220 receives the information on the power generation amount generated by the solar power generation facility from the monitoring device 100, and transmits information on the power generation amount to the solar power generation certificate transaction server 300 And request the issuance of the photovoltaic power generation certificate.

Also, the second control unit 220 can deal with the issued photovoltaic generation certificate with the consumer terminal 400. Specifically, the second control unit 220 transmits information on the power generation amount received from the monitoring device 100 through the second communication unit 210 to the photovoltaic generation certificate transaction server 300, and transmits the generated information to the monitoring device 100 When the PV certificate is issued by the PV certificate transaction server 300, the PV certificate issuing server 300 requests the PV certificate issuing server 300 to issue the PV certificate, Or a separate external server is opened so that the consumer terminal 400 can easily access the information about the photovoltaic generation certificate that the consumer terminal 400 wants to purchase.

Here, the solar power generation certificate transaction server 300 receives the information on the power generation amount from the producer terminal 200, and when the issuance of the solar power generation certificate is requested, performs a separate authentication procedure by the producer terminal 200 The numerical value and identification information of the power generation amount received from the producer terminal 200 requesting issuance of the photovoltaic power generation certificate and the numerical value and identification information of the power generation amount received from the monitoring apparatus 100 are compared It is possible to issue a photovoltaic power generation certificate equivalent to the received power generation amount.

When the consumer terminal 400 transmits a purchase intention regarding a part or the whole of the solar power generation certificate in which the second control section 220 has disclosed the information, the second control section 220 directly purchases The user can request the purchase price of the photovoltaic power generation certificate to be sold and transfer the right of the photovoltaic power generation certificate to be sold to the photovoltaic generation certificate transaction server 300 when the billing transaction cost is paid by the consumer terminal 400 And sell the photovoltaic power generation certificate corresponding to the paid marketing expense.

The photovoltaic generation certificate transaction server 300 is provided for issuing a photovoltaic power generation certificate to the producer terminal 200 based on the information on the power generation amount received from the producer terminal 200.

In addition, when the solar power generation certificate transaction server 300 receives the solar power generation certificate transaction information from the producer terminal 200 with the consumer terminal 400, the solar power generation certificate transaction server 300 transmits the solar power generation certificate transaction information, So that the certificate is transferred to the consumer terminal 400.

To this end, the solar power generation certificate transaction server 300 may include a third communication unit 310, a third control unit 320, and a storage unit.

The third communication unit 310 is connected to the first communication unit 130, the second communication unit 210 and the consumer terminal 400 through a wireless or wired network so that the solar power generation certificate transaction server 300 acquires a photovoltaic generation certificate Or to transfer or receive the necessary information to transfer the rights of the photovoltaic certificate.

The third control unit 320 is provided for processing various matters of the solar power generation certificate transaction server 300.

For example, the third control unit 320 may issue a photovoltaic power generation certificate to the producer terminal 200 based on the information on the power generation amount received from the producer terminal 200, When the photovoltaic generation certificate transaction information with the consumer terminal 400 is received, the photovoltaic generation certificate may be transferred to the consumer terminal 400 based on the received photovoltaic generation certificate transaction information.

Specifically, when the information on the power generation amount is received from the producer terminal 200 and the issuance of the photovoltaic power generation certificate is requested, the third control unit 320 receives from the producer terminal 200 requesting issuance of the photovoltaic power generation certificate The numerical value and identification information of the received power generation amount and the numerical value and the identification information of the power generation amount received from the monitoring apparatus 100 are compared with each other and the solar power generation certificate corresponding to the received power generation amount can be issued.

The third control unit 320 issues a photovoltaic power generation certificate according to the received power generation amount when the information about the power generation amount is received. If the photovoltaic power generation facility is a social contribution type power generation facility or a renewable energy mandatory type (RPS) generation facility, it is possible to issue the value of solar PV certificate differently.

That is, the identification information received by the third control unit 320 includes a power plant code for determining whether the solar power generation facility is a social contribution type power generation facility or a renewable energy duty allocation type power generation facility, and a random output function The third control unit 320 determines whether the issuance request of the photovoltaic generation certificate received from the producer terminal 200 is valid, and determines whether the photovoltaic power generation facility is a social contribution type power generation facility or a renewable energy obligatory type It is possible to issue a photovoltaic power generation certificate according to the received power production amount.

At this time, the third control unit 320 displays the unit of the solar power generation certificate to be issued as Solar Credit, and if the solar power generation facility is determined to be a social contribution type power generation facility, the third control unit 320 generates 1 If it is determined that the photovoltaic power generation facility is a new and renewable energy mandatory power generation facility, it will issue a photovoltaic power generation certificate corresponding to 1 Solar Credit per 5 MWh Can be issued.

The third control unit 320 predicts the power generation amount of the photovoltaic power generation facility based on the weather information received from the outside and the power generation history information of the photovoltaic power generation facility, Based on the results, it is possible to generate transaction trend information by predicting the cash value trend for 1 Solar Credit.

Specifically, when predicting the amount of power generation, the third control unit 320 sets the weights related to the solar radiation amount of the area installed in the photovoltaic power generation facility, the weights related to the temperature and the weights related to the wind speed to 2, 0.2, and 0.1 It is possible to predict the power output of PV facilities.

The third control unit 320 may collect information on the solar power generation transaction transaction cost between the plurality of producer terminals 200 and the plurality of consumer terminals 400 and calculate the monthly average price of 1 Solar Credit have.

Specifically, the third controller 320 may collect information on the transaction cost of the photovoltaic power generation certificate, which has been processed during the last one month among the issued photovoltaic power generation certificates, and calculate the monthly average price of 1 Solar Credit to be traded .

Meanwhile, the storage unit is provided for storing information necessary for issuing a photovoltaic generation certificate or transferring the right of the photovoltaic power generation certificate to the photovoltaic generation certificate transaction server 300. Specifically, for example, the storage unit may store information on the power generation amount from the specific monitoring apparatus 100, and may store information on the owner of the issued photovoltaic generation certificate.

The consumer terminal 400 is provided to enable the purchase of the photovoltaic power generation certificate from the producer terminal 200. For this, the consumer terminal 400 may include a fourth communication unit 410 and a fourth control unit 420.

The fourth communication unit 410 is connected to the second communication unit 210 and the third communication unit 310 through a wireless or wired network and transmits or receives information necessary for the consumer terminal 400 to purchase the solar power generation certificate . Specifically, the fourth communication unit 410 accesses the solar power generation certificate transaction server 300 or a separate external server to access information on the issued solar power generation certificate.

The fourth control unit 420 is provided for processing various matters of the consumer terminal 400. [ The fourth control unit 420 accesses the information on the solar power generation certificate issued through the fourth communication unit 410 and transmits the information to the producer terminal 200 having the right of the corresponding solar power generation certificate If the producer terminal 200 having the right of the corresponding photovoltaic generation certificate requests the purchase price of the photovoltaic power generation certificate, You can transfer the ownership rights to some or all of the photovoltaic power generation certificates by paying the cost.

In addition, the producer terminal 200 and the consumer terminal 400 may be provided with various components provided in a personal computer, a smart phone, and a tablet PC notebook, and the solar power generation certificate transaction server 300 may also be a personal Various components provided in a computer or a computer for a server may be additionally provided, but they are different from the technical concept of the present invention, and description thereof will be omitted.

FIG. 3 is a diagram illustrating a method of issuing and trading a solar power generation certificate using the solar power generation certificate issuing and trading system according to the present embodiment. Hereinafter, a method of issuing and trading a solar power generation certificate using the solar power generation certificate issuing and trading system will be described with reference to FIG.

First, in order to issue a photovoltaic power generation certificate, the photovoltaic generation certificate issuing and trading system measures the amount of power produced in the photovoltaic power generation facility by using the monitoring device 100 (S310).

Further, when the monitoring apparatus 100 measures the amount of power produced by the solar power generating facility, identification information is added to the information on the measured power generation amount, and information on the amount of power produced by the solar power generating facility The manufacturer terminal 200 and the photovoltaic generation certificate transaction server 300 matched to receive the information about the power generation amount added with the identification information, respectively (S320).

Then, when the information on the power generation amount to which the identification information is added to the PV certificate server 300 is received, the producer terminal 200 transmits information about the power generation amount to the PV certificate server 300, And issue a photovoltaic certificate (S330).

When the information about the power generation amount is received from the producer terminal 200 and the issuance of the photovoltaic power generation certificate is requested, the photovoltaic generation certificate transaction server 300 receives from the producer terminal 200 requesting the issuance of the photovoltaic power generation certificate The numerical value and identification information of the received power generation amount and the numerical value and the identification information of the power generation amount received from the monitoring apparatus 100 are compared with each other and the solar power generation certificate corresponding to the received power generation amount can be issued S340).

The producer terminal 200 transmits the information on the power generation amount received from the monitoring apparatus 100 to the solar power generation certificate transaction server 300 to generate a solar power generation certificate equivalent to the power generation amount produced by the monitoring apparatus 100 When the solar power generation certificate server 300 issues a solar power generation certificate, the solar power generation certificate transaction server 300 transmits information about the solar power generation certificate server 300 or a separate external server to the consumer terminal 400) can easily access the information about the photovoltaic power generation certificate that he intends to purchase.

If the producer terminal 200 transmits the purchase intention to the consumer terminal 400 (S350-Yes), the consumer terminal 400 transmits a purchase intention regarding some or all of the solar power generation certificate, (S360), the consumer terminal (400) receives the billing transaction cost (S370), and transmits the billing request to the photovoltaic generation certificate transaction server (300) (S380), the photovoltaic generation certificate transaction server 300 performs the transfer of the photovoltaic power generation certificate right (S390), and the photovoltaic generation certificate transaction server 300 transmits the right of photovoltaic power generation certificate Photovoltaic certificates can be sold.

Through this, it is possible to issue the photovoltaic power generation certificate using the photovoltaic power generation monitoring data and to provide the convenience to the producer by omitting unnecessary procedures and processes for the producer to issue the photovoltaic power generation certificate, Trading procedures can also provide convenience to producers and consumers by minimizing procedures.

While the embodiments of the present invention have been described with reference to the accompanying drawings, it is to be understood that the present invention is not limited by the specific embodiments for effectively explaining the technical idea of the present invention. Therefore, it is intended that the present invention covers the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents. You can do it. Further, the scope of the present invention is indicated by the following claims rather than the above detailed description. Also, all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included within the scope of the present invention.

100: Monitoring device 110: Power generation measuring part
120: first control unit 130: first communication unit
200: producer terminal 210: second communication section
220:
300: PV certificate server
310: third communication unit 320: third control unit
330:
400: Consumer terminal
410: fourth communication unit 420: fourth control unit

Claims (8)

A monitoring device for measuring the amount of power produced by a PV facility;
A producer terminal capable of acquiring information on the amount of electric power produced by the solar power generation facility from the monitoring device;
A photovoltaic generation certificate transaction server for issuing a photovoltaic power generation certificate to the producer terminal based on information on the power generation amount received from the producer terminal; And
And a consumer terminal configured to purchase the issued solar power generation certificate,
The photovoltaic generation certificate transaction server comprises:
When receiving the photovoltaic generation certificate transaction information from the producer terminal with the consumer terminal, transferring the photovoltaic generation certificate to the consumer terminal based on the received photovoltaic power generation certificate transaction information,
The photovoltaic generation certificate transaction server comprises:
Wherein the solar power generation facility is a social contribution type power generation facility or a renewable energy duty type allocation facility (RPS) type power generation facility when the information on the power generation amount is received, Discriminates the value of the solar power generation certificate,
The photovoltaic generation certificate transaction server comprises:
If the solar power generation facility is judged to be a social contribution type power generation facility, the unit of the solar power generation certificate to be issued is indicated as Solar Credit. If the solar power generation facility is determined to be a social contribution type power generating facility, Issuing a certificate,
If it is determined that the solar power generation facility is a renewable energy duty-allocated power generation facility, the solar power generation certificate corresponding to 1 Solar Credit per 5 MWh is issued according to the received power generation amount,
The photovoltaic generation certificate transaction server comprises:
The power generation amount of the solar power generation facility is predicted based on the weather information received from the outside and the power generation history information of the solar power generation facility,
Based on the results of forecasting power generation for multiple solar power generation facilities, it generates trading trend information by predicting the cash value trend for 1 Solar Credit,
The photovoltaic generation certificate transaction server comprises:
In the case of predicting the power generation amount, the weights related to the solar radiation amount of the area installed in the solar power generation facility, the weights related to the temperature and the wind speed are set to 2, 0.2 and 0.1, respectively,
The monitoring device includes:
Adding identification information including an output value randomly output to the information on the measured power generation amount using a random number function, and transmitting the identification information to the producer terminal and the photovoltaic generation certificate transaction server,
The producer terminal,
Transmitting the information on the power generation amount received from the monitoring device to the solar power generation certificate transaction server to request issuance of the solar power generation certificate of the amount of power generation produced by the monitoring device,
The photovoltaic generation certificate transaction server comprises:
When information on the electric power production amount is received from the specific producer terminal and the issuance of the photovoltaic power generation certificate is requested, even if the producer terminal does not perform the separate authentication procedure, A numerical value of the power generation amount, a numerical value of the power generation amount received from the monitoring device, and the identification information,
The producer terminal,
Wherein when the purchaser intends to purchase a part or all of the issued photovoltaic power generation certificate from the consumer terminal,
The method comprising: requesting transfer of the right of the photovoltaic power generation certificate to be sold to the photovoltaic generation certificate transaction server by the consumer terminal; A solar power generation certificate issuing and trading system using photovoltaic generation monitoring data. delete delete delete delete delete delete The method according to claim 1,
The photovoltaic generation certificate transaction server comprises:
A solar power generation certificate issuance and management system using solar power monitoring data, which collects information on the transaction cost of photovoltaic generation certificates between a plurality of producer terminals and a plurality of consumer terminals and calculates a monthly average price of 1 Solar Credit to be traded Trading system.

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