JP7564802B2 - Power management system, power management method, and program - Google Patents

Description

The present invention relates to a power management system, a power management method, and a program.

There is a known power distribution system in which a contract is made with an electric power company and power supplied from the power grid is distributed to each unit in an apartment building. There are two types of contract with the electric power company: a lump-sum contract for high-voltage power and a lump-sum contract for low-voltage power. In the case of a lump-sum contract for high-voltage power, a high-voltage substation device is required to supply power from the power grid to each unit (see, for example, Patent Document 1).

In recent years, there has been a demand for the use of renewable energy, and some apartment buildings are equipped with solar panels and storage batteries. Furthermore, there is a demand for ZEHs (Net Zero Energy Houses), which are homes that aim to achieve a zero annual balance of primary energy consumption by significantly improving the insulation performance of the exterior shell and introducing highly efficient equipment systems to achieve significant energy savings while maintaining the quality of the indoor environment, and then introducing renewable energy. For this reason, in the case of apartment buildings such as those mentioned above, there is a demand to significantly improve insulation performance and introduce solar panels and storage batteries.

JP 2013-74760 A

However, factors such as installation and operating costs have made it difficult to expand the use of solar panels and storage batteries.

The present invention has been made in consideration of the above problems, and aims to provide a power management system, a power management method, and a program that can promote the widespread introduction of solar panels, storage batteries, etc.

(1) In order to achieve the above-mentioned object, one embodiment of the present invention provides a power management system comprising: a first operator system which calculates an electricity bill for an apartment building equipped with a distributed power source having at least a storage battery and a solar power generation device based on the power consumption of grid power and the power of the distributed power source , collects the calculated electricity bill from multiple consumers in the apartment building , calculates a roof rent for the apartment building in which the solar power generation device is equipped, and pays the calculated roof rent to an owner of the apartment building ; and

According to the power management system of this embodiment, it is possible to promote the expansion of the introduction of solar panels, storage batteries, etc. According to the power management system of this embodiment, it is possible to use as much generated power as possible in the apartment complex and reduce the amount of power purchased from the business operator. According to the power management system of this embodiment, the tenants purchase the generated power, which not only increases the tenants' awareness of contributing to the environment, but also promotes local production and consumption of electricity. According to the power management system of this embodiment, for the owner of the apartment complex, by owning rental housing with high environmental value and resilience without requiring the installation and maintenance costs of equipment, it is possible to strengthen competitiveness in attracting tenants and meet the need to participate in a decarbonized society. According to the power management system of this embodiment, for the tenants, it is possible to purchase electricity with a high renewable energy ratio at a lower price than major power companies, and to foster a sense of contribution to a decarbonized society. In the power management system, for example, the first business operator bears the installation costs of the distributed power source (the owner of the distributed power source is the first business operator), rents the installation space such as a roof from the owner, and the first business operator pays the owner for the amount.

(2) In addition, the power management system according to one embodiment of the present invention may further include a second provider system that has an accounting unit that calculates a purchase price based on the surplus power of the distributed power source of the apartment building obtained from the first provider system, pays the calculated purchase price to the first provider system, calculates a usage fee based on the grid power, and collects the calculated usage fee from the first provider system.

According to the power management system of this embodiment, in the event of a power outage caused by a disaster, the power supplied from the storage battery to the common area can be used to charge a smartphone, for example, which is also useful for resolving information shortages after a disaster.

(3) In addition, in a power management system according to one aspect of the present invention, the second operator system may supply the surplus power to a facility of a first operator that manages the first operator system, or to a facility of a second operator that manages the second operator system.

According to the power management system of this embodiment, the purchased electricity can be used at business establishments operated by the business operators, thereby contributing to replacing the electricity consumed in the business activities of the first or second business operator with renewable energy, and contributing more broadly to the realization of a carbon-neutral society.

(4) In addition, in the power management system according to one aspect of the present invention, the second business operator system may supply the surplus power to a first detached house and obtain the surplus power from a second detached house that is equipped with at least a solar power generation device.

With the power management system according to this embodiment, if there is surplus power, it can be distributed to residences and other places that need it.

(5) In addition, in the power management system according to one aspect of the present invention, the apartment building may be equipped with a control device that supplies the power stored in the storage battery to facilities in the common areas of the apartment building during a power outage.

(6) In order to achieve the above-mentioned object, a power management method according to one aspect of the present invention includes the steps of: a computer calculating an electricity bill for an apartment building equipped with a distributed power source having at least a storage battery and a solar power generation device, based on the power consumption of grid power and the power of the distributed power source; a computer collecting the calculated electricity bill from multiple consumers of the apartment building; a computer calculating a roof rent for the apartment building equipped with the solar power generation device; and a computer paying the calculated roof rent to the owner of the apartment building .

(7) In order to achieve the above-mentioned object, a program according to one embodiment of the present invention causes a computer to execute the steps of calculating an electricity bill for an apartment building equipped with a distributed power source including at least a storage battery and a solar power generation device, based on the power consumption of the grid power and the power of the distributed power source , collecting the calculated electricity bill from multiple consumers of the apartment building, calculating a roof rent for the apartment building equipped with the solar power generation device, and paying the calculated roof rent to the owner of the apartment building .

In the power management method and program, for example, the first business entity bears the installation costs of the distributed power source (the first business entity is the owner of the distributed power source), rents installation space on the roof or the like from the owner, and the first business entity pays the owner for the installation.

The present invention makes it possible to expand the introduction of solar panels, storage batteries, etc.

1 is a diagram illustrating an example of an overall configuration to which an information management system according to an embodiment is applied; 1 is a diagram for explaining an overview of an apartment house equipped with a solar power generation system and a storage battery in an embodiment. 1 is a diagram illustrating an example of the configuration of a power management system according to an embodiment; FIG. 2 is a diagram for explaining a relationship between a first operator and a second operator. 2 is a diagram for explaining the flow of power exchange, billing and settlement, etc., performed by the first service provider system according to the embodiment. FIG. FIG. 2 is a diagram illustrating an example of the configuration of a functional unit that performs processing of a first operator system according to an embodiment. FIG. 2 is a diagram illustrating a configuration example of a second operator system according to an embodiment. FIG. 2 is a diagram illustrating an example of the configuration of a functional unit that performs processing of a second operator system according to an embodiment. FIG. 4 is a sequence diagram of a processing example in the information management system according to the embodiment.

The following describes an embodiment of the present invention with reference to the drawings. Note that in the drawings used in the following description, the scale of each component has been appropriately changed so that each component is of a recognizable size. The embodiment described below is merely an example, and the embodiment to which the present invention is applicable is not limited to the following embodiment.

In addition, in all the drawings for explaining the embodiments, the same reference numerals are used for the parts having the same functions, and the repeated explanation is omitted.
In addition, "based on XX" in this application means "based on at least XX," and includes cases where it is based on other elements in addition to XX. Furthermore, "based on XX" is not limited to cases where XX is directly used, but also includes cases where it is based on XX that has been calculated or processed. "XX" is any element (for example, any information).

First, a configuration example to which the information management system according to the embodiment is applied will be described with reference to FIGS.
Fig. 1 is a diagram showing an example of an overall configuration to which an information management system according to an embodiment is applied. As shown in Fig. 1, the overall configuration to which the information management system is applied includes, for example, a home 2, a home 3, a power company 4, an agency company 5, a home 6, and a power supply destination 7. Note that the configuration in Fig. 1 is an example and is not limited to this.

Residence 2 is an apartment building or a single-family home. Residence 2 is equipped with a solar power generation system.

Residence 3 is an apartment building or a single-family home. Residence 3 is equipped with a solar power generation system and a storage battery.

Electric power company 4 purchases surplus electricity from house 2 and house 3 through intermediary company 5. Electric power company 4 may purchase electricity from house 2 that does not have a storage battery at the standard price, and purchase electricity from house 3 that has a storage battery at a premium price higher than the standard price. Electric power company 4 supplies the electricity purchased through intermediary company 5 to, for example, house 6 constructed by intermediary company 5 and to electricity destination 7 of intermediary company 5.

The owners of houses 2 and 3 may rent their roofs etc. to the intermediary company 5. In that case, the intermediary company 5 will install a solar power generation system on the roof rented from the owner of house 2 and will maintain and manage the solar power generation system. The intermediary company 5 will install a solar power generation system on the roof rented from the owner of house 3, install a storage battery, and will maintain and manage the solar power generation system and storage battery. The intermediary company 5 will intermediate electricity from the power company 4.

Residence 6 is, for example, a residence constructed by agency company 5. Residence 6 is an apartment building or a single residence.

The power supply destinations 7 are operated by the distributor 5 or the power company 4, and are, for example, offices 71, exhibition halls 72, and factories 73.

Figure 2 is a diagram for explaining an overview of an apartment building equipped with a solar power generation system and a storage battery in this embodiment. As shown in Figure 2, the house 3 is equipped with a solar power generation device 31, a storage battery 32, and a higher-level meter 33. The house 3 also has a common area 34 and a residential area 35. The common area 34 is equipped with, for example, lighting, a collective entrance machine, an electric key control device, an electrical outlet, a telephone security box, etc. The residential area 35 is equipped with, for example, six units, 101 to 103 and 201 to 203. Each unit in the residential area 35 is equipped with a lower-level meter 36. The solar power generation device 31 is equipped with, for example, at least a solar panel and a storage battery. Note that in the example of Figure 3, for example, a power conditioner, a breaker, etc. are omitted.

In FIG. 2, it is the intermediary company that concludes a lump-sum contract for low-voltage electricity with the power company. The residents of the residential area 35 then conclude a contract for electricity supply with the intermediary company and pay their electricity bills to the intermediary company.

During a power outage, power is supplied from the storage battery 32 to the common area 34. During a power outage, power for wireless communication is supplied from the common area 34 to each unit in the residential area 35, for example, via an access point 37 via a LAN (Local Area Network) cable.

Next, the power management system of this embodiment will be described.
FIG. 3 is a diagram showing a configuration example of the power management system according to the present embodiment. The power management system 100 shown in FIG. 3 includes, for example, a house 101 under contract with the agency company 5 (FIG. 1), an electric vehicle 104, an apartment complex 105, an owner (builder) 106 of the house 101, a power wholesale market 107, a second business operator 108, a first detached house 109, a second detached house 110, and a business office 111 of the first business operator. The business office 111 may be, for example, an office, an exhibition center, a factory, or the like. The business office 111 may be a business office of the second business operator. The configuration example of the power management system 100 shown in FIG. 3 is an example, and is not limited thereto.

The house 101 is, for example, a rental apartment building, and is equipped with a distributed power source 102 having, for example, a solar power generation system and a storage battery.
The electricity generated or stored in the distributed power source 102 is supplied to the facilities of the apartment complex 105 via the first business operator 103 at a low electricity cost. The apartment complex 105 includes, for example, facilities in a common area (outlets, lighting, electric locks, etc.) and facilities in the residences of multiple consumers (outlets, lighting, electric locks, etc.). During a power outage, the distributed power source 102 supplies, for example, electricity stored in a storage battery to the common area. The distributed power source 102 may also cooperate with, for example, an electric vehicle 104 of a consumer to supply power to the electric vehicle 104.

The first business operator 103 is, for example, the system of the agency company 5 in FIG. 1. The first business operator 103 supplies surplus electricity in the residence 101 to the second business operator 108. The first business operator 103 also purchases electricity from the second business operator 108 at a low price.

The first detached house 109 is a house that has an electricity contract with the second utility company. The first detached house 109 receives electricity from the second utility company 108.
The second detached house 110 is a house whose roof is rented to the first business operator. A solar cell module is installed on the roof of the second detached house 110 by the first business operator. For example, a power conditioner (not shown) is installed in the second detached house 110, and surplus power is supplied to the second business operator 108. The second detached house 110 may also include a storage battery (not shown).

The second business operator 108 has a power grid. The second business operator 108 purchases surplus power generated by the distributed power source 102 via the first business operator 103, and purchases power from the power wholesale market 107. The second business operator 108 purchases surplus power from the second detached house 110. The second business operator 108 supplies the surplus power to the first detached house 109. The second business operator 108 supplies this power to the first business operator's business premises 111, etc.

The flow of money will be explained with reference to FIG.
The first business operator 103 collects electricity charges from the consumers for the power supplied to the consumers. When the owner 106 rents the roof or the like of the house 101 to the first business operator 103, the first business operator 103 pays the owner 106 a rent for the roof, for example, according to the number of solar cell modules or according to the amount of power generated or consumed. The first business operator 103 pays the second business operator 108 a charge for the power supplied from the second business operator 108. The first business operator 103 receives an electricity charge from the second business operator 108 according to the surplus power supplied to the second business operator 108.
In this manner, in this embodiment, the installation costs of the distributed power sources are borne by the first business operator 103 (the owner of the distributed power sources is the first business operator). Then, the first business operator 103 rents an installation space, such as a roof, from the owner 106. The first business operator 103 pays the owner 106 a fee for the installation.

Next, the relationship between the first operator 103 and the second operator 108 will be described.
Fig. 4 is a diagram for explaining the relationship between the first operator and the second operator 108. As shown in Fig. 4, the relationship between the first operator and the second operator 108 is as shown in Fig. 4. The second operator 108 has a power network and includes the first operator. Note that the configuration example shown in Fig. 4 is an example and is not limited to this.

(Power exchange, billing, and settlement in the first operator system)
Next, the flow of power transfer, billing and settlement performed by the first business operator system will be described.
Fig. 5 is a diagram for explaining the flow of power exchange, billing, and settlement performed by the first provider system according to this embodiment. Note that Fig. 5 shows an example of one apartment building for ease of explanation, but the system of the first provider 103 (hereinafter referred to as the first provider system 400) may manage two or more apartment buildings. Note that Fig. 5 shows two homes as an example of the consumer 315 (315-1, 315-2) for ease of explanation, but the number of homes in the apartment building facility 300 is not limited to this.

First, an example of the configuration of an apartment building will be described.
The apartment building 300 includes, for example, an upper meter 301 , a power receiving board 302 , a sensor 303 , a control device 304 , a distributed power source 305 , a distribution board 308 , a lower meter 309 , a lower meter 310 , a switching board 311 , and a common area 312 .
The common area 312 includes, for example, a lower meter 313 and common area facilities 314 .

The upper meter 301 has an input side connected to the first operator system 400 and an output side connected to the input side of the power receiving panel 302 .
The output side of the power receiving board 302 is connected to the input side of the distribution board 308. The power receiving board 302 outputs surplus power to the first business operator system 400.
The distribution board 308 has an output side connected to the control device 304 via the sensor 303, the input side of a lower-level meter 309, the input side of a lower-level meter 310, and a first input side of a switchboard 311.

The output side of the lower meter 309 is connected to the facility (such as an outlet) of the customer 315-1.
The output side of the lower meter 310 is connected to the facility (such as an outlet) of a consumer 315-2.

The switchboard 311 has a second input side connected to the second output side of the control device 304, and an output side connected to a lower-level meter 313 of the common section 312.
The lower level meter 313 has a common facility 314 (such as an outlet) connected to its output side.

The control device 304 has, for example, a solar cell module 306 connected to the first control side and a storage battery 307 connected to the second control side.

Next, an example of the operation of each facility of the apartment building 300 will be described.
The upper meter 301 is a meter for measuring the amount of power contracted with the first business operator 103, and is a collective power receiving meter. The upper meter 301 measures the amount of power consumed by the facilities of a plurality of consumers 315 and the amount of power consumed by the common section 312. The upper meter 301 may be, for example, a smart meter.

The power receiving panel 302 is connected to the upper meter 301 and receives low-voltage bulk power via the first operator system 400. The power receiving panel 302 includes, for example, a current transformer and a breaker. The power receiving panel 302 supplies the received power to the distribution panel 308.

The sensor 303 is connected, for example, to the rear stage of the distribution board 308, and detects, for example, the direction of the current flowing through the distribution board 308. The sensor 303 outputs the detection result to the control device 304.

The distributed power source 305 includes at least a solar cell module 306 and a storage battery 307. The distributed power source 305 may also include a fuel cell, a wind power generation system, etc.

The control device 304 is, for example, a power conditioner. The control device 304 controls the solar cell module 306. The control device 304 controls the storage battery 307. The control device 304 converts the DC electricity generated by the solar cell module 306 into AC electricity that can be used at home. The control device 304 converts the voltage of the surplus DC electricity generated by the solar cell module 306 that is not used in the common area 312 or the facility of the consumer 315 into a voltage that can be charged to the storage battery 307, and stores the converted voltage in the storage battery 307. When the amount of power generated by the solar cell module 306 is low, the control device 304 supplies the power stored in the storage battery 307 to the common area 312 or the facility of the consumer 315. The control device 304 controls the charging and discharging of the storage battery 307 based on the detection result indicating the direction of the current detected by the sensor 303. The control device 304 detects whether or not there is power being supplied from the grid, and if it detects that a power outage has occurred, it switches the switchboard 311 to supply the power stored in the storage battery 307 to the common area facility 314.

The distribution board 308 has, for example, multiple breakers for each branch destination. The distribution board 308 branches the power received by the power receiving board 302 during grid-connected operation into multiple branches and distributes it to the common area 312 and the facilities of the customer 315. The distribution board 308 also branches the power supplied via the control device 304 into multiple branches and distributes it to the common area 312 and the facilities of the customer 315. Note that if the apartment building has multiple floors, the distribution board 308 may be configured to distribute the power by floor.

The lower level meter 309 is a meter that measures the power consumption of the facility of the consumer 315-1.

The facility of consumer 315-1 is, for example, a first residential facility of the apartment complex 300. The facility of consumer 315-1 includes, for example, an access point and a load (outlet, light, etc.).

The lower level meter 310 is a meter that measures the power consumption of the facility of the consumer 315-2.

The facility of consumer 315-2 is, for example, a second residential facility of the apartment complex 300. The facility of consumer 315-2 includes, for example, an access point and a load (outlet, light, etc.).

The lower level meter 313 is a meter that measures the power consumption of the common area 312.

The switchboard 311 determines whether the power is coming from the grid power supplied by the first operator system 400 or from the control device 304, and switches between the grid power and the power supplied via the control device 304 to supply power to the common area facility 314. During a power outage, the power of the storage battery 307 is supplied to the switchboard 311 directly from the control device 304 without going through the distribution board 308.

The common areas 312 are, for example, electrical facilities such as lobbies, hallways, management offices, and meeting halls in apartment complexes. The common area facilities 314 include, for example, routers, electrical outlets, lighting equipment, door opening and closing equipment, etc.

Next, a configuration example of the first operator system 400 will be described.
The first business operator system 400 includes, for example, a power acquisition unit 401 , a power supply unit 402 , a surplus power acquisition unit 403 , a surplus power output unit 404 , an acquisition unit 405 , and a settlement unit 406 .

Next, an example of the operation of the first operator system 400 will be described.
The power acquisition unit 401 acquires power from the power grid of the second business operator 108 ( FIG. 3 ). The power supplied from the power grid of the second business operator 108 is power purchased from the power wholesale market. The power supplied from the power grid of the second business operator 108 may include surplus power purchased from the second detached house 110.
The power supply unit 402 supplies the power acquired by the power acquisition unit 401 to the apartment building 300 .

The surplus power acquisition unit 403 acquires surplus power from the apartment building 300 .
The surplus power output unit 404 sells the acquired surplus power to the power grid of the second business operator. The surplus power output unit 404 may output information indicating the acquired amount of surplus power to the acquisition unit 405.

The acquisition unit 405 acquires the measurement values of the upper meter 301, the lower meter 309, the lower meter 310, and the lower meter 313 of the apartment building 300.

The settlement unit 406 calculates the electricity charges to be billed to each of the consumers 315-1, 315-2 based on the information acquired by the acquisition unit 405, and collects the electricity charges from each of the consumers 315-1, 315-2. The settlement unit 406 pays the owner 106 a roof rent based on the solar cell module 306 or based on the amount of surplus electricity acquired from the apartment building 300. The settlement unit 406 pays the second business operator 108 an electricity charge for the amount of electricity purchased from the second business operator's 108 power grid. The settlement unit 406 acquires purchase income based on the surplus electricity purchased by the second business operator 108 from the first business operator system 400.

6 is a diagram showing an example of the configuration of a functional unit that performs processing of the first business operator system 400 according to this embodiment. The functional units that perform processing of the first business operator system 400 are, for example, an acquisition unit 405 and a settlement unit 406.
As shown in Fig. 6, the functional unit 450 that performs processing of the first operator system 400 includes, for example, a communication unit 451, a CPU 452, a RAM 453, a ROM 454, a HDD 455, an operation unit 456, and an output unit 457. The communication unit 451, the CPU 452, the RAM 453, the ROM 454, the HDD 455, the operation unit 456, and the output unit 457 are connected via a BUS. The configuration example shown in Fig. 6 is an example, and is not limited thereto.

The communication unit 451 has at least one of a wireless communication function and a wired communication function. The communication unit 451 transmits and receives information to and from the system of the second operator 108, for example. The communication unit 451 acquires information from the electric meter (upper meter, lower meter) of the apartment building 300, for example.

The CPU 452 is a central processing unit, and controls each part of the function unit 450 that performs processing for the first business operator system 400 .
The RAM 453 is a random access memory that temporarily stores data.
The ROM 454 is a read-only memory, and stores, for example, programs and formulas that the CPU 452 uses for control.

The HDD 455 is a hard disk drive that stores, for example, the amount of power, electricity charges, etc. The programs, formulas, etc. used by the PU 452 for control may be stored in the HDD 455. The HDD 455 may also be a solid state drive, or a hybrid of a hard disk drive and a solid state drive.

The operation unit 456 is, for example, a mouse, a keyboard, a touch panel sensor provided on the output unit 457, etc., and detects the results of operations performed by the operator.
The output unit 457 outputs information related to operation to an external device (for example, an image display device, a printer, etc.) The information related to operation is, for example, electricity charges, electricity amount, etc.

(Second operator's system)
Next, a configuration example of the system of the second operator 108 (hereinafter, referred to as the second operator system 500) will be described.
FIG. 7 is a diagram showing an example of the configuration of a second operator system according to this embodiment.
The second business operator system 500 includes, for example, a power acquisition unit 501 , a power supply unit 502 , a surplus power acquisition unit 503 , a surplus power output unit 504 , an acquisition unit 505 , and a settlement unit 506 .

Next, an example of the operation of the second business operator system 500 will be described.
The power acquisition unit 501 acquires and purchases power from the wholesale power market.
The power supply unit 502 supplies the power acquired by the power acquisition unit 501 to the first business operator system 400 .

The surplus power acquisition unit 503 acquires surplus power from the first business operator system 400 and the second detached house 110 .
The surplus power output unit 504 supplies the acquired surplus power to the business office or the like of the second business operator 108 and the first detached house 109. The surplus power output unit 404 may output information indicating the acquired amount of surplus power to the settlement unit 506.

The settlement unit 506, for example, calculates an electricity fee based on the amount of electricity supplied to the first business operator's business establishment 111 and collects it from the first business operator 103. The settlement unit 506 calculates an electricity fee based on the amount of electricity purchased from the first business operator 103 and pays the purchase income based on the amount of electricity purchased to the first business operator 103.

8 is a diagram showing an example of the configuration of a functional unit that performs processing of the second business operator system 500 according to this embodiment. Note that the functional units that perform processing of the second business operator system 500 are, for example, an acquisition unit 505 and a settlement unit 506.
As shown in Fig. 8, the functional unit 550 that performs processing of the second operator system 500 includes, for example, a communication unit 551, a CPU 552, a RAM 553, a ROM 554, a HDD 555, an operation unit 556, and an output unit 557. The communication unit 551, the CPU 552, the RAM 553, the ROM 554, the HDD 555, the operation unit 556, and the output unit 557 are connected via a BUS. The configuration example shown in Fig. 8 is an example, and is not limited thereto.

The communication unit 551 has at least one of a wireless communication function and a wired communication function. The communication unit 551 transmits and receives information to and from the first operator system 400, for example.

The CPU 552 is a central processing unit, and controls each part of the function unit 550 that performs processing for the second business operator system 500 .
The RAM 553 is a random access memory that temporarily stores data.
The ROM 554 is a read-only memory, and stores, for example, programs and formulas that the CPU 552 uses for control.

The HDD 555 is a hard disk drive that stores, for example, the amount of power, electricity charges, etc. The programs, formulas, etc. used by the PU 452 for control may be stored in the HDD 555. The HDD 555 may also be a solid state drive, or a hybrid of a hard disk drive and a solid state drive.

The operation unit 556 is, for example, a mouse, a keyboard, a touch panel sensor provided on the output unit 557, etc., and detects the results of operations performed by the operator.
The output unit 557 outputs information related to operation to an external device (for example, an image display device, a printer, etc.) The information related to operation is, for example, electricity charges, electricity amount, etc.

(Processing example)
Next, an example of processing in the information management system will be described.
FIG. 9 is a sequence diagram of a processing example in the information management system according to the present embodiment.

(Step S1) The second business operator system 500 purchases grid power from the wholesale power market. The second business operator system 500 supplies the grid power purchased from the wholesale power market to the first business operator system 400.

(Step S2) The first operator system 400 acquires grid power from the second operator system 500.

(Step S3) The first business operator system 400 supplies the electricity acquired from the second business operator system 500 to the apartment building 300.

(Step S4) The facility of the consumer 315 in the apartment building 300 receives grid power from the first operator system 400.

(Step S5) The common area 312 of the apartment building 300 receives grid power from the first operator system 400.

(Step S6) The control device 304 of the apartment building 300 supplies the solar power generated by the solar cell module 306 to the common area 312 and the facilities of the consumer 315. The facilities of the common area 312 receive the solar power.

(Step S7) The facilities of the consumer 315 in the apartment complex 300 receive solar power.

(Step S8) Information from the lower level meters (309, 310) of the consumer 315 in the apartment complex 300 is output to the first operator system 400.

(Step S9) Information from the upper meter 301 of the apartment building 300 and information from the lower meter 313 of the common area 312 are output to the first operator system 400.

(Step S10) The first operator system 400 acquires information on the amount of power consumed based on information from the lower meters (309, 310) and upper meter 301 of the consumer 315, and information from the lower meter 313.

(Step S11) The first business operator system 400 calculates the electricity bill for each household using the acquired information and the electricity bill amount from the second business operator 108.

(Step S12) The consumer 315 pays (transfers) the electricity bill to the first business operator system 400.

(Step S13) The first operator system 400 collects electricity charges from the consumer 315.

(Step S14) The control device 304 of the apartment building 300 determines whether there is surplus power, and if there is, sells the surplus power to the first business operator 103. For example, if the solar power generated by the solar cell module 306 during the day is stored in the storage battery 307 and further supplied to each consumer 315 and the common area 312, and there is still surplus power, the control device 304 determines that there is surplus power.

(Step S15) The first operator system 400 receives surplus electricity from the apartment complex 300.

(Step S16) The first business operator system 400 sells the surplus electricity received from the apartment complex 300 to the second business operator system 500.

(Step S17) If there is surplus electricity, the power conditioner installed in the second detached house 110 outputs the surplus electricity to the second operator system 500.

(Step S18) The second business operator system 500 receives the surplus electricity output by the first business operator system 400 and the surplus electricity output by the second detached house 110.

(Step S19) The second business operator system 500 supplies the received surplus electricity to the first detached house 109 and the first business operator's business premises 111, etc.

(Step S20) The first detached house 109 receives surplus electricity from the second operator 108. The first operator's business establishment 111 receives surplus electricity from the second operator system 500.

(Step S21) The second business operator system 500 calculates the purchase revenue for the electricity purchased from the first business operator 103, and pays (transfers) the calculated purchase revenue to the first business operator system 400.

(Step S22) The first business operator system 400 receives purchase income from the second business operator 108.

(Step S23) The first business operator system 400 calculates and pays (transfers) the roof rent to the owner 106 of the apartment building 300.

(Step S24) The owner 106 of the apartment building 300 receives the roof rent from the first business operator system 400.

Note that the process contents and process steps shown in FIG. 9 are merely examples and are not limiting. For example, some processes may be performed simultaneously in parallel, or the process steps may be interchanged.

As described above, in this embodiment, during normal times, the power received collectively as low-voltage power from the grid and the power generated by the solar cell module 306 are supplied to consumers 315 in the common area and residential area. For example, during the day, the power generated by the solar cell module 306 is supplied to each residence and stored in the storage battery 307. Then, at night, the power stored in the storage battery 307 is supplied to each residence. In this way, in this embodiment, the generated power is used in the apartment complex as much as possible, and the amount of power purchased from the business can be reduced.

Therefore, according to the business model of this embodiment, by having the occupants purchase the generated electricity, it is possible to increase the occupants' awareness of contributing to the environment and encourage local production and consumption of electricity. According to the business model of this embodiment, by using the purchased electricity, for example, at a business establishment operated by the first business operator 103, it is possible to contribute to replacing the electricity consumed in the business activities of the first business operator 103 or the second business operator 108 with renewable energy, and more broadly, to the realization of a carbon-neutral society.

In addition, according to the business model of the embodiment, the building owner can own rental housing with high environmental value and resilience without incurring the costs of installing and maintaining facilities, thereby strengthening their competitiveness in attracting tenants and satisfying the need to participate in a decarbonized society. Furthermore, according to the business model of the embodiment, not only can tenants purchase electricity with a high renewable energy ratio at a lower price than major power companies, which not only fosters a sense of contribution to a decarbonized society, but also, in the event of a power outage due to a disaster, they can use the electricity supplied from the storage battery to the common areas to charge their smartphones, for example, which helps to alleviate the lack of information after a disaster.

In a conventional apartment building, for example, if a solar power generation system or the like is installed in each residence, the amount of electricity used varies from residence to residence, so for example, electricity from an unoccupied residence is sold and not distributed to residences that consume a lot of electricity, and it is necessary to purchase the shortfall in electricity from the power company. In contrast, in the embodiment, if there is surplus electricity, it can be distributed to residences that need it.

In addition, a program for realizing all or part of the functions of the first operator system 400 in the present invention may be recorded on a computer-readable recording medium, and the program recorded on this recording medium may be read into a computer system and executed to perform all or part of the processing performed by the first operator system 400. In addition, a program for realizing all or part of the functions of the second operator system 500 in the present invention may be recorded on a computer-readable recording medium, and the program recorded on this recording medium may be read into a computer system and executed to perform all or part of the processing performed by the second operator system 500. In addition, the term "computer system" as used herein includes hardware such as an OS and peripheral devices. In addition, the term "computer system" also includes a WWW system equipped with a homepage providing environment (or display environment). In addition, the term "computer-readable recording medium" refers to portable media such as flexible disks, optical magnetic disks, ROMs, CD-ROMs, and storage devices such as hard disks built into a computer system. Furthermore, "computer-readable recording medium" also includes devices that hold a program for a certain period of time, such as volatile memory (RAM) within a computer system that serves as a server or client when a program is transmitted via a network such as the Internet or a communication line such as a telephone line.

The above program may also be transmitted from a computer system in which the program is stored in a storage device or the like to another computer system via a transmission medium, or by transmission waves in the transmission medium. Here, the "transmission medium" that transmits the program refers to a medium that has the function of transmitting information, such as a network (communication network) such as the Internet or a communication line (communication line) such as a telephone line. The above program may also be one that realizes part of the above-mentioned functions. Furthermore, it may be a so-called difference file (difference program) that can realize the above-mentioned functions in combination with a program already recorded in the computer system.

The above describes the form for carrying out the present invention using an embodiment, but the present invention is not limited to such an embodiment, and various modifications and substitutions can be made without departing from the spirit of the present invention.

1...information management system, 2...house, 3...house, 4...electric power company, 5...agency, 6...house, 7...power supply destination 7, 100...power management system, 5...agency, 101...house, 104...electric vehicle, 105...multi-family housing facility, 106...owner, 107...power wholesale market, 108...second business operator, 109...first detached house, 110...second detached house, 111...first business operator's business office, 300...multi-family house, 301...upper meter, 302...receiving panel, 303...sensor, 304...control device, 305...distributed power source, 306...solar cell module module, 307...storage battery, 308...distribution board, 309...lower meter, 310...lower meter, 311...switching board, 312...common area, 313...lower meter, 314...common area facility, 400...first operator system, 401...power acquisition unit, 402...power supply unit, 403...surplus power acquisition unit, 404...surplus power output unit, 405...acquisition unit, 406...settlement unit, 500...second operator system, 501...power acquisition unit, 502...power supply unit, 503...surplus power acquisition unit, 504...surplus power output unit, 505...acquisition unit, 506...settlement unit

Claims (7)

a first business operator system including an account settlement unit that calculates an electricity bill for an apartment house equipped with a distributed power source including at least a storage battery and a solar power generation device according to power consumption of a grid power and the power of the distributed power source, collects the calculated electricity bill from a plurality of consumers in the apartment house , calculates a roof rent for the apartment house equipped with the solar power generation device, and pays the calculated roof rent to an owner of the apartment house ;
A power management system comprising: 2. The power management system according to claim 1, further comprising a second provider system which calculates a purchase price based on the surplus power of the distributed power source of the apartment building obtained from the first provider system, pays the calculated purchase price to the first provider system, calculates a usage fee based on the grid power, and collects the calculated usage fee from the first provider system. The power management system according to claim 2, wherein the second operator system supplies the surplus power to a facility of a first operator that manages the first operator system, or to a facility of a second operator that manages the second operator system. The power management system according to claim 2 or 3, wherein the second business operator system supplies the surplus power to a first detached house and acquires surplus power from a second detached house equipped with at least a solar power generation device. The power management system according to any one of claims 1 to 4, wherein the apartment complex is equipped with a control device that supplies the power stored in the storage battery to facilities in the common areas of the apartment complex during a power outage. A step in which a computer calculates an electricity bill according to power consumption of a grid power and power of a distributed power source in an apartment house equipped with a distributed power source including at least a storage battery and a solar power generation device;
A step in which the computer collects the calculated electricity charges from a plurality of consumers in the apartment complex;
A step in which a computer calculates the roof rent of the apartment building in which the solar power generation device is installed;
a step of the computer paying the calculated roof rent to the owner of the apartment building ;
The power management method includes : On the computer,
A step of calculating an electricity bill according to the power consumption of the distributed power source and the system power for an apartment house equipped with a distributed power source including at least a storage battery and a solar power generation device;
collecting the calculated electricity charges from a plurality of consumers in the apartment complex;
Calculating the roof rent of the apartment building in which the solar power generation device is installed;
paying the calculated roof rent to an owner of the apartment building ;
A program that executes the following .

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