Local currency giving device, local currency giving method, and program

The system addresses user adoption issues by measuring renewable energy consumption and using carbon credits to incentivize local currency issuance, promoting renewable energy adoption and regional economic activity.

JP2025139659AActive Publication Date: 2025-09-29HOKKAIDO ELECTRIC POWER COMPANY INC +1
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Patent Information

Application Number
JP2024038611
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-03-13
Publication Date
2025-09-29
Estimated Expiration
2044-03-13

AI Technical Summary

Technical Problem

Existing systems for local currencies face challenges in user adoption due to the complexity of monitoring CO2 reduction and the lack of motivation for reducing emissions, as they require manual reporting and are issued by local governments.

Method used

A system that measures and calculates renewable energy consumption, issues local currency based on self-consumed renewable energy, and uses carbon credits to incentivize users, promoting the introduction of renewable energy facilities and regional economic circulation.

Benefits of technology

Motivates users to adopt renewable energy systems by simplifying the reporting process and leveraging carbon credits, thereby stimulating regional economic activity and local currency circulation.

✦ Generated by Eureka AI based on patent content.

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Abstract

To provide a local currency giving device, a local currency giving method, and a program which promote user's introduction of a renewable energy power generation facility and allow for activation of economic circulation in a region.SOLUTION: A local currency giving server 200 comprises: an acquisition unit 251 which acquires a power generation amount and one of an amount of electricity sold and a self-consumption amount of electricity in a measurement object period of a renewable energy power generation facility installed by each of users; a calculation unit 252 which calculates a total value of self-consumption amounts of electricity of all of the users in the measurement object period on the basis of acquired power generation amounts and one of amounts of electricity sold and self-consumption amounts of electricity of the respective users; and an allocation unit 253 which allocates an amount of local currency acquired on the basis of the calculated total value of self-consumption amounts of electricity, to the respective users in accordance with self-consumption amounts of electricity of the respective users in the measurement object period.SELECTED DRAWING: Figure 3
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Description

[Technical Field]

[0001] The present invention relates to a local currency granting device, a local currency granting method, and a program. [Background technology]

[0002] Many regions have introduced local currencies that can only be circulated within the region in order to revitalize the region. Currently, local currencies compete with other payment methods, such as cashless payments, and their sustainable development is an issue. To address this issue, one idea is to attract funds from outside the region in exchange for the environmental value guaranteed by carbon credits. For example, Patent Document 1 discloses a system that measures the gas and electricity usage of each company, calculates carbon dioxide reduction credits based on the measured gas and electricity usage, classifies the data pairs of companies and carbon dioxide reduction credits by region, notifies the local government of the classified carbon dioxide reduction credits, and the local government issues the local currency. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2006-277597 Summary of the Invention [Problem to be solved by the invention]

[0004] The system in Patent Document 1 requires that the amount of CO2 reduction in relation to the energy consumption of each company be monitored in advance and that the results be stored in a database, which creates a high hurdle for users to adopt.In addition, because it is the local government that issues and acquires the local currency, there is also the problem that it is difficult for users to be motivated to reduce CO2 emissions and increase the local currency within the area.

[0005] The present invention has been made based on this background, and aims to provide a local currency granting device, a local currency granting method, and a program that can promote the introduction of renewable energy power generation equipment by users and revitalize economic circulation within the region. [Means for solving the problem]

[0006] In order to achieve the above object, the local currency granting device according to the present invention comprises: A local currency granting device for granting local currency to a user who self-consumed renewable energy electricity, an acquisition unit that acquires the amount of power generated and either the amount of power sold or the amount of self-consumption power during a measurement period by the renewable energy power generation equipment installed by each user; a calculation unit that calculates a total value of the self-power consumption of all users during the measurement period based on the acquired power generation amount and either the power sale amount or the self-power consumption amount for each user; a distribution unit that distributes the local currency obtained based on the calculated total value of the home energy consumption to each user according to the home energy consumption of each user during the measurement period; Equipped with. [Effects of the Invention]

[0007] According to the present invention, it is possible to provide a local currency granting device, a local currency granting method and a program that can promote the introduction of renewable energy power generation facilities by users and stimulate economic circulation within a region. [Brief explanation of the drawings]

[0008] [Figure 1] 1 is a schematic diagram showing the configuration of a local currency granting system according to an embodiment of the present invention. [Figure 2] 1 is a block diagram showing a hardware configuration of a measurement device according to an embodiment of the present invention. [Figure 3] 1 is a block diagram showing the hardware configuration of a local currency granting server according to an embodiment of the present invention. [Figure 4] FIG. 10(a) is a diagram showing an example of a data table in an electric energy storage unit, and FIG. 10(b) is a diagram showing an example of a data table in a local currency storage unit. [Figure 5] 10 is a flowchart showing the flow of a local currency granting process according to an embodiment of the present invention. [Figure 6] 3 is a flowchart showing the flow of a calculation process according to the embodiment of the present invention. [Figure 7] FIG. 10 is a diagram showing a message screen displayed on a display of the measurement device according to the embodiment of the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0009] Hereinafter, a local currency granting device, a local currency granting method, and a program according to an embodiment of the present invention will be described in detail with reference to the drawings. In each drawing, the same or equivalent parts are designated by the same reference numerals.

[0010] The local currency granting system according to the embodiment is a system that grants local currency to each user according to the user's own consumption of renewable energy electricity (amount of electricity consumed by the user). A user is an individual or organization that has installed a renewable energy power generation facility in a building that they own or manage. Renewable energy electricity is electricity derived from renewable energy, for example, electricity generated by renewable energy power generation facilities such as solar power generation facilities, wind power generation facilities, and geothermal power generation facilities.

[0011] Self-consumption of renewable energy power refers to the generation of renewable energy power using renewable energy power facilities installed by the user, and the user consuming this renewable energy power. The timing of the generation and consumption of renewable energy power do not need to coincide, and the generated renewable energy power may be temporarily stored in a storage battery and consumed at a desired timing.

[0012] Self-consumption of renewable energy leads to a reduction in fossil fuel consumption, and therefore contributes to a reduction in CO2 emissions. Once the reduced CO2 emissions are certified by a certification body, they become the subject of trading as emission rights called carbon credits. Purchasers of carbon credits can offset their own CO2 emissions with the carbon credits they have purchased. Carbon credits are expressed as a unit of greenhouse gas weight, and in Japan they are certified by the government-run J-Credit Scheme.

[0013] A local currency is a currency that can be circulated within a region and is put into practical use in various forms, such as paper money, gift certificates, points, and electronic money. When local users use the local currency, the value of the region is circulated within the region and the value is prevented from leaking out of the region. The local currency granting system according to the embodiment can attract funds from outside the region in exchange for the environmental value guaranteed by carbon credits, and can also increase the added value of the local currency by linking it to environmental protection. This makes it possible to increase the number of users and the amount of circulation of the local currency compared to conventional systems.

[0014] The configuration of a local currency granting system according to an embodiment will be described below with reference to Fig. 1. In the embodiment, a case where a solar power generation facility is used as the renewable energy power generation facility will be described as an example.

[0015] The local currency granting system 1 includes a measurement device 100 and a local currency granting server 200. The measurement device 100 and the local currency granting server 200 are connected to each other so that they can communicate with each other via a communication line such as the Internet.

[0016] The measuring device 100 periodically measures the amount of power generated by the photovoltaic power generation facility and the amount of power sold, calculates the amount of power generated and the amount of power sold during the measurement period based on the measured amount of power generated and the amount of power sold, and transmits the calculated amount to the local currency granting server 200. The measuring device 100 includes, for example, a smart meter and a user interface connected to the smart meter and performing input and output with the user. The measuring device 100 is installed in a building where the photovoltaic power generation facility is installed, and is electrically connected to the photovoltaic power generation facility.

[0017] The local currency granting server 200 is an example of a local currency granting device that grants each user local currency obtained based on the amount of power generated and sold obtained from each measuring device 100. The local currency granting server 200 is, for example, a general-purpose computer. The local currency granting server 200 is managed by an administrator who performs all or part of the application, acquisition, and sale of carbon credits, and the acquisition and distribution of local currency. The administrator may be, for example, a person belonging to a local government, a company, an NPO (Nonprofit Organization), or other corporation or organization, or a person commissioned by such an administrator.

[0018] The following is an outline of the procedure for granting local currency using the local currency granting system according to the embodiment. First, the local currency granting server 200 obtains the amount of power generated and sold by the photovoltaic power generation facility during a measurement period from the measurement device 100, and calculates the total amount of self-power consumption of all users during the measurement period. Next, the administrator applies for carbon credit certification to a certification organization based on the total amount of self-power consumption. Once the carbon credits are certified by the certification organization, the administrator sells the carbon credits to a purchaser through market transactions. Next, the administrator uses the proceeds (funds) obtained from the sale of the carbon credits to request a local currency business operator to issue local currency, and obtains the local currency from the local currency business operator. When the administrator enters the amount of local currency obtained into the local currency granting server 200, the local currency granting server 200 allocates and grants the amount of local currency obtained according to the amount of self-power consumption of each user. The above is an outline of the steps involved in granting local currency.

[0019] Next, the hardware configuration of the measurement device 100 according to the embodiment will be described with reference to Fig. 2. The measurement device 100 includes an operation unit 110, a display unit 120, a measurement unit 130, a communication unit 140, a storage unit 150, and a control unit 160. The units of the measurement device 100 are connected to each other via an internal bus (not shown).

[0020] The operation unit 110 receives instructions from the user who manages the measuring device 100, and supplies an operation signal corresponding to the received operation to the control unit 160. The display unit 120 displays various images for the administrator based on image data supplied from the control unit 160. The display unit 120 displays, for example, a message regarding the amount of local currency granted to each user.

[0021] The operation unit 110 and the display unit 120 are integrally configured by, for example, a touch panel. The touch panel displays an operation screen that accepts operations by the user, and supplies to the control unit 160 an operation signal that corresponds to the position on the operation screen where the user makes a touch operation.

[0022] The measurement unit 130 periodically measures the amount of power generated and the amount of power sold, and stores the data in the storage unit 150. The length of the measurement period is set in advance by the administrator, and may be, for example, every week, every month, or every quarter.

[0023] The communication unit 140 is a communication interface that enables the measurement device 100 to communicate with external devices. The communication unit 140 communicates with external devices via a communication network such as the Internet. For example, the communication unit 140 transmits the amount of power generated and the amount of power sold during the measurement period calculated by the measurement unit 130 to the local currency granting server 200, and receives a message from the local currency granting server 200 regarding the amount of local currency to be granted to the user.

[0024] The storage unit 150 includes, for example, a random access memory (RAM), a read only memory (ROM), and a flash memory. The storage unit 150 stores programs executed by the control unit 160 and various data, such as periodically measured values ​​of the amount of power generated and the amount of power sold, timing for calculating the amount of power generated and the amount of power sold for each measurement period, and a device ID (Identification) assigned individually to the measurement device 100. The device ID is an example of identification information for identifying the measurement device 100. The storage unit 150 also temporarily stores various types of information and functions as a work memory for the control unit 160 to execute processing.

[0025] The control unit 160 includes a processor and controls each unit of the measurement device 100. The processor is, for example, a CPU (Central Processing Unit). The control unit 160 executes the program stored in the storage unit 150 to perform the local currency granting process of FIG. 5. Specifically, the control unit 160 causes the measurement unit 130 to periodically measure the amount of power generated and the amount of power sold, and stores the results in the storage unit 150. The control unit 160 also reads out the measured values ​​of the amount of power generated and the amount of power sold measured within a measurement period at preset timing from the storage unit 150, and calculates the amount of power generated and the amount of power sold for each measurement period by summing these values. Thereafter, the control unit 160 controls the communication unit 140 to transmit the amount of power generated and the amount of power sold during the measurement period together with the device ID to the local currency granting server 200. The above is the hardware configuration of the measuring device 100.

[0026] Next, the hardware configuration of the local currency granting server 200 according to the embodiment will be described with reference to Fig. 3. The local currency granting server 200 comprises an operation unit 210, a display unit 220, a communication unit 230, a storage unit 240, and a control unit 250. The units of the local currency granting server 200 are interconnected via an internal bus (not shown).

[0027] The operation unit 210 receives instructions from the administrator who manages the local currency granting server 200, and supplies operation signals corresponding to the received operations to the control unit 250. The operation unit 210 includes, for example, a mouse and a keyboard. The display unit 220 displays various images to the administrator based on image data supplied from the control unit 250.

[0028] The communication unit 230 is a communication interface that allows the local currency granting server 200 to communicate with external devices. The communication unit 230 communicates with external devices via a communication network such as the Internet. For example, the communication unit 230 receives the amount of power generation and the amount of power sold transmitted from the measurement device 100, and transmits a message to the measurement device 100 regarding the amount of local currency granted to each user.

[0029] The storage unit 240 includes, for example, a RAM, a ROM, a flash memory, and a hard disk. The storage unit 240 stores programs executed by the control unit 250 and various data. The storage unit 240 also temporarily stores various information and functions as a work memory for the control unit 250 to execute processes. Furthermore, the storage unit 240 includes an electric energy storage unit 241 and a local currency storage unit 242.

[0030] As shown in FIG. 4( a ), the power amount storage unit 241 stores the amount of power generated, the amount of power sold, and the amount of personal power consumption for each measurement period in association with the device ID of each measurement device 100 .

[0031] As shown in FIG. 4(b), the local currency storage unit 242 stores the amount of local currency granted to the user according to the amount of privately-owned power consumption for each measurement period, in association with the device ID of each measurement device 100.

[0032] Returning to Fig. 3, the control unit 250 includes a processor and controls each unit of the local currency granting server 200. The processor is, for example, a CPU. The control unit 250 executes the program stored in the storage unit 240 to perform the local currency granting process of Fig. 5 and the calculation process of Fig. 6. Functionally, the control unit 250 includes an acquisition unit 251, a calculation unit 252, a distribution unit 253, and an output unit 254.

[0033] The acquisition unit 251 acquires the amount of power generated and sold by the photovoltaic power generation facility during the measurement period transmitted from each measurement device 100, as well as the device ID of each measurement device 100, and stores them in the power amount storage unit 241 in FIG. 4(a). The acquisition unit 251 also acquires the amount of local currency entered by the administrator by operating the operation unit 210. Note that acquisition of data by the acquisition unit 251 includes not only acquiring data from an external device, but also reading out data stored in the storage unit 240.

[0034] The calculation unit 252 calculates the amount of private power consumption for each user during the measurement period and stores it in the power amount storage unit 241 in Fig. 4(a). The amount of private power consumption is calculated by subtracting the amount of power sold during the measurement period from the amount of power generated by the solar power generation facility during the same period. The calculation unit 252 also calculates the total amount of private power consumption for all users during the measurement period by adding up the calculated amounts of private power consumption for each user.

[0035] The distribution unit 253 distributes the local currency obtained based on the total amount of self-power consumption during the measurement period calculated by the calculation unit 252 according to the amount of self-power consumption for each user during the measurement period, and stores the distribution in the local currency storage unit 242 in Fig. 4(b). The distribution of local currency involves allocating the amount of local currency to be given to each user based on the ratio between the total amount of local currency to be distributed and the amount of self-power consumption for each user. Specifically, the total amount of local currency obtained is allocated to each user using the following calculation formula: Amount of local currency given to each user = total amount of local currency obtained × (each user's home power consumption / total home power consumption)

[0036] The output unit 254 outputs to the outside the total value of the amount of personal power consumption during the measurement period calculated by the calculation unit 252. For example, when the output unit 254 receives an operation from the operation unit 210, it causes the display unit 220 to display the total value of the amount of personal power consumption during the measurement period so that the administrator can understand it.

[0037] The output unit 254 also outputs to the outside the amount of local currency allocated to each user by the distribution unit 253. For example, the output unit 254 transmits an instruction to the local currency server requesting that the amount of local currency allocated to each user by the distribution unit 253 be reflected in each user's local currency balance. The local currency balance of each user is stored in the memory unit of the local currency server, and upon receiving the request, the local currency server updates each user's local currency balance by adding the amount of local currency allocated to each user to the local currency balance of each user stored in the memory unit. The output unit 254 also transmits a message regarding the amount of local currency allocated to each user to each measurement device 100. The above is the hardware configuration of the local currency granting server 200.

[0038] (Local currency granting process) The flow of the local currency granting process executed by the measurement device 100 and the local currency granting server 200 in cooperation will be explained below with reference to the flowchart in Figure 5. The local currency granting process is a process of granting local currency to each user according to the amount of renewable energy electricity self-consumption by the user. The local currency granting process starts when the target measurement period has elapsed and the timing preset by the administrator has arrived. The measurement unit 130 of each measurement device 100 periodically measures the amount of electricity generated by the solar power generation facility and the amount of electricity sold, and stores the measurement results in the memory unit 150 in sequence.

[0039] First, the control unit 160 of each measuring device 100 calculates the amount of power generated and the amount of power sold during the measurement period at a preset timing (step S11). In this process, the data on the amount of power generated and the amount of power sold during the measurement period stored in the storage unit 150 of each measuring device 100 is read and added up. For example, if the amount of power generated and the amount of power sold are to be calculated monthly, the preset timing may be the first day of the following month. In this case, each measuring device 100 only needs to collect the data for that month by the end of the month.

[0040] Next, the control unit 160 of each measuring device 100 controls the communication unit 140 to transmit the amount of electricity generated and the amount of electricity sold during the measurement period calculated in the processing of step S11 to the local currency granting server 200 along with the device ID stored in the memory unit 150 (step S12).

[0041] The acquisition unit 251 of the local currency granting server 200 receives the amounts of power generated and sold during the measurement period from all the measurement devices 100, and the corresponding device IDs, and stores them in the power amount storage unit 241 shown in Fig. 4(a) (step S21). Next, the calculation unit 252 executes a calculation process to calculate the amount of private power consumption during the measurement period for all users, based on the amounts of power generated and sold by all the measurement devices 100 during the measurement period received in the process of step S21 (step S22). The flow of the calculation process executed by the local currency granting server 200 will be described below with reference to Fig. 6.

[0042] (arithmetic processing) First, the calculation unit 252 calculates the amount of power consumed by each user during the measurement period based on the amount of power generated and sold during the measurement period, and stores the amount of power consumed by each user in the power consumption memory unit 241 shown in Figure 4(a) in association with the device ID and the measurement period (step S31).

[0043] Next, the calculation unit 252 calculates the total amount of personal power consumption during the measurement period for all users calculated in the process of step S31 (step S32), and returns the process. Specifically, it is sufficient to sum up all the personal power consumption amounts calculated in the process of step S31. The above is the flow of the calculation process.

[0044] When the operation unit 210 receives an operation by the administrator, the output unit 254 causes the display unit 220 to display the total value of the amount of personal power consumption calculated by the calculation process of FIG. 6 (step S23).

[0045] The administrator refers to the amount of private power consumption for the measurement period displayed on the display unit 220 and applies for carbon credit certification to a certification body based on this. Under the J-Credit Scheme, carbon credits can be obtained through the following three steps. Note that the application for carbon credits may also be made by another business entity, such as a credit application supporter or an electric power company, on behalf of the administrator. 1. The manager prepares a plan showing how they will achieve greenhouse gas emission reductions and registers the project with a certification body. 2. The manager implements the project and monitors the greenhouse gas emission reductions of the project. 3. The manager submits the monitoring results to a certification body. If the monitoring results are certified by the certification body, the manager is awarded carbon credits.

[0046] When the administrator acquires carbon credits, he or she sells the carbon credits to a buyer on the trading market and receives funds as revenue. The funds may be, for example, legal tender, electronic money, or crypto assets. The administrator uses these funds to request the local currency business operator to issue local currency. When the administrator acquires local currency from the local currency business operator, he or she operates the operation unit 210 of the local currency granting server 200 to input the amount of local currency acquired based on the amount of private power consumption during the measurement period.

[0047] When the acquisition unit 251 of the local currency granting server 200 acquires the amount of local currency corresponding to the total amount of self-power consumption during the measurement period (step S24), the distribution unit 253 distributes local currency to each user according to the amount of self-power consumption during the measurement period stored in the power amount storage unit 241 of Fig. 4(a) (step S25). Specifically, the distribution unit 253 calculates the amount of local currency to be granted to each user according to the proportion of self-power consumption of each user during the measurement period, and stores the amount of local currency to be granted to each user in association with the target period and device ID in the local currency storage unit 242 of Fig. 4(b).

[0048] Next, the output unit 254 sends an instruction to the local currency server requesting that the amount of local currency granted calculated in the processing of step S25 be reflected in each user's local currency balance, and also sends a message regarding the amount of local currency granted to the measurement device 100 (step S26). Each user's local currency balance is stored in the memory unit of the local currency server, and the local currency server updates each user's local currency balance by adding the amount of local currency granted to each user to the local currency balance of each user stored in the memory unit.

[0049] When the control unit 160 of each measurement device 100 receives the message regarding the amount of local currency to be granted transmitted in the process of step S26 (step S13), it causes the display unit 120 to display the message received in the process of step S13 (step S14), and ends the process. The display unit 120 of each measurement device 100 may display, for example, a screen shown in FIG. This is the flow of the local currency granting process.

[0050] As described above, the local currency granting server 200 according to the embodiment includes an acquisition unit 251 that acquires the amount of power generated and sold by the solar power generation equipment installed by each user during the measurement period; a calculation unit 252 that calculates the total amount of self-power consumption of all users during the measurement period based on the acquired amount of power generated and sold for each user; and a distribution unit 253 that distributes the local currency obtained based on the calculated total amount of self-power consumption to each user according to the amount of self-power consumption of each user during the measurement period.

[0051] Therefore, users do not need to read and report the amount of electricity generated and sold to an administrator, nor do they need to monitor the relationship between their own power consumption and CO2 emissions in advance.In addition, users are periodically awarded local currency based on their own power consumption, which motivates them to reduce their CO2 emissions.This will encourage users to introduce renewable energy power generation facilities and stimulate economic circulation within the region.

[0052] The present invention is not limited to the above-described embodiment, and the following modifications are possible.

[0053] (Variation) In the above embodiment, each measuring device 100 measures and transmits the amount of power generated and the amount of power sold, but the present invention is not limited to this. For example, each measuring device 100 may measure and transmit the amount of power generated and the amount of self-powered electricity consumed. In this case, the local currency granting server 200 does not need to calculate the amount of self-powered electricity consumed by each user, and only needs to add up the amount of self-powered electricity consumed by each user that has been acquired when calculating the amount of self-powered electricity consumed by all users.

[0054] In the above embodiment, each measuring device 100 calculates the amount of power generated and the amount of power sold for each measurement period at a preset timing, but the present invention is not limited to this. For example, the local currency granting server 200 may send a polling signal to each measuring device 100 to calculate the amount of power generated and the amount of power sold for each measurement period.

[0055] In the above embodiment, the local currency granting server 200 acquires the amount of power generated and sold during the measurement period from each measurement device 100, and calculates the total amount of private power consumption of all users during the measurement period based on this, but the present invention is not limited to this. The above process may be executed by a server (electricity server) different from the local currency granting server 200, and data may be transmitted to the local currency granting server 200.

[0056] In the above embodiment, the administrator applies for carbon credit certification to the certification authority based on the total amount of self-power consumption of all users during the measurement period, but the present invention is not limited to this. For example, the local currency granting server 200 may store data indicating the relationship between the total amount of self-power consumption of all users and carbon credits in the storage unit 240 in advance, and may refer to this data to calculate carbon credits based on the total amount of self-power consumption of all users during the measurement period. Alternatively, the local currency granting server 200 may transmit data on the total amount of self-power consumption of all users to the certification authority server, and the certification authority server may transmit data indicating the number of carbon credits to the local currency granting server 200.

[0057] In the above embodiment, the administrator sells carbon credits to a purchaser and acquires the funds obtained thereby, but the present invention is not limited to this. For example, the local currency granting server 200 may transmit carbon credit data to the carbon credit trading server, and the carbon credit trading server may transfer the funds to the registered bank account of the administrator and transmit data indicating the funds to the local currency granting server 200.

[0058] In the above embodiment, the administrator requests the local currency business operator to issue the local currency in exchange for the funds obtained from the sale of carbon credits, but the present invention is not limited to this. For example, the administrator may use carbon credits to offset CO2 emissions generated by his / her own business and request the issuance of the local currency using his / her own funds. Furthermore, the administrator may be commissioned by a local currency business operator or may carry out the local currency business himself / herself and issue the local currency.

[0059] In the above embodiment, the funds from the sale of carbon credits are used to issue local currency, but the present invention is not limited to this. For example, a portion of the funds from the sale of carbon credits may be left as operating expenses or revenue, and the surplus funds may be used to request the issuance of local currency.

[0060] In the above embodiment, a message regarding the amount of local currency to be provided is transmitted to the measurement device 100, but the present invention is not limited to this. For example, the device ID of the measurement device 100 and the email address of the user who owns the measurement device 100 may be associated with each other and stored in advance in the storage unit 240, and a message regarding the amount of local currency to be provided may be sent to the user's smartphone using the email address. In this case, the operation unit 110 and display unit 120 of the measurement device 100 may be omitted.

[0061] In the above embodiment, the electric energy storage unit 241 and the local currency storage unit 242 are separate data tables, but the present invention is not limited to this. For example, a data table may be created in which the items in the electric energy storage unit 241 and the local currency storage unit 242 are grouped by device ID.

[0062] In the above embodiment, the measurement device 100 and the local currency granting server 200 are connected to each other so that they can communicate with each other via a communication line such as the Internet, but the present invention is not limited to this. For example, the measurement device 100 and the local currency granting server 200 may be connected to each other so that they can communicate with each other via a dedicated communication line.

[0063] In the above embodiment, various data are stored in the storage units 150, 240 of the measurement device 100 and the local currency granting server 200, but the present invention is not limited to this. For example, all or part of the various data may be stored in an external control device or computer via a communication network.

[0064] In the above embodiment, the measurement device 100 and the local currency granting server 200 operate based on the programs stored in the storage units 150 and 240, respectively, but the present invention is not limited to this. For example, the functional configuration realized by the program may be realized by hardware.

[0065] In the above embodiment, the local currency granting server 200 is, for example, a general-purpose computer, but the present invention is not limited to this. For example, the local currency granting server 200 may be realized by a computer provided on a cloud.

[0066] In the above embodiment, the processing performed by the measuring device 100 and the local currency granting server 200 was realized by an apparatus having the above-mentioned physical configuration executing a program stored in the memory units 150, 240, but the present invention may also be realized as a program or as a storage medium on which the program is recorded.

[0067] In addition, a program for executing the above-mentioned processing operations may be stored and distributed on a non-transitory computer-readable recording medium such as a flexible disk, a CD-ROM (Compact Disk Read-Only Memory), a DVD (Digital Versatile Disk), or an MO (Magneto-Optical Disk), and the program may be installed on a computer to configure an apparatus that executes the above-mentioned processing operations.

[0068] The above-described embodiments are merely examples, and the present invention is not limited to these. Various embodiments are possible within the scope of the invention as set forth in the claims. The components described in the embodiments and modifications can be freely combined. Furthermore, inventions equivalent to the inventions set forth in the claims are also included in the present invention. [Explanation of symbols]

[0069] 1. Local Currency Granting System 100 Measuring Equipment 200 Local Currency Granting Server 240 Storage section 250 control section 251 Acquisition Department 252 Arithmetic section 253 Distribution section 254 output section

Claims

1. A local currency granting device for granting local currency to a user who self-consumed renewable energy electricity, an acquisition unit that acquires the amount of power generated and either the amount of power sold or the amount of self-consumed power consumed by the renewable energy power generation equipment installed by each user during a measurement period; a calculation unit that calculates a total value of the self-power consumption of all users during the measurement period based on the acquired power generation amount and either the power sale amount or the self-power consumption amount for each user; a distribution unit that distributes the local currency obtained based on the calculated total value of the home energy consumption to each user according to the home energy consumption of each user during the measurement period; A local currency granting device comprising:

2. The local currency granting device includes an output unit that outputs the calculated total amount of private power consumption, The acquisition unit acquires the amount of local currency acquired by selling carbon credits certified by a certification organization based on the calculated total amount of self-power consumption. The local currency dispensing device according to claim 1.

3. The renewable energy power generation facility is at least one of a solar power generation facility, a wind power generation facility, and a geothermal power generation facility installed in a building owned or managed by the user.

3. The local currency granting device according to claim 1 or 2.

4. A local currency granting method executed by a local currency granting device, an acquisition step of acquiring the amount of power generated and either the amount of power sold or the amount of self-consumed power consumed by the renewable energy power generation equipment installed by each user during the measurement period; a calculation step of calculating a total value of the self-power consumption of all users during the measurement period based on the acquired power generation amount and either the power sale amount or the self-power consumption amount for each user; a distribution step of distributing the local currency obtained based on the calculated total value of the home power consumption to each user according to the home power consumption of each user during the measurement period; A method of granting local currency, including:

5. Computer, An acquisition means for acquiring the amount of power generated and either the amount of power sold or the amount of self-consumption power during a measurement period by the renewable energy power generation facility installed by each user; a calculation means for calculating a total value of the self-power consumption of all users during the measurement period based on the acquired power generation amount and either the power sale amount or the self-power consumption amount for each user; a distribution means for distributing the local currency obtained based on the calculated total value of the home power consumption to each user in accordance with the home power consumption of each user during the measurement period; A program to function as a

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