Aggregation system
The aggregation system addresses distribution system capacity limitations and power losses by identifying and prioritizing storage batteries for power supply and demand adjustments, ensuring efficient resource provider participation and reducing transmission losses.
Patent Information
- Application Number
- JP2024117156
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2024-07-22
- Publication Date
- 2026-02-03
AI Technical Summary
Existing electricity supply and demand adjustments at the transmission system level risk system congestion due to distribution system capacity limitations, and using distribution transformers for transmission beyond the distribution area leads to power losses. Additionally, resource providers may not adequately respond to requests for power supply and demand adjustments.
An aggregation system that includes a power distribution area battery identification unit, battery priority determination unit, and battery matching processing unit to identify, prioritize, and match storage batteries for power supply and demand adjustments within a distribution area, using a distribution transformer, with features like connection point information processing, notification, and scheduling.
Secures resources for power supply and demand adjustments by encouraging resource provider participation and reducing power losses within the distribution area.
Smart Images

Figure 2026016105000001_ABST
Abstract
Description
[Technical Field]
[0001] The present invention relates to an aggregation system for adjusting power supply and demand within a power distribution area using a distribution transformer. [Background technology]
[0002] There are concerns that the increase in renewable energy sources such as solar power generation will cause fluctuations in output from the power grid. One mechanism to address this concern is an electricity supply and demand adjustment system that utilizes distributed energy resources such as storage batteries (Patent Document 1).
[0003] Furthermore, the use of mobile power supply and demand facilities such as EVs as distributed energy resources is also being considered (Patent Document 2, Patent Document 3). [Prior art documents] [Patent documents]
[0004] [Patent Document 1] Japanese Patent Publication No. 2022-114117 [Patent Document 2] Patent Publication No. 2021-18608 [Patent Document 3] Patent Publication No. 2021-157581 Summary of the Invention [Problem to be solved by the invention]
[0005] Electricity supply and demand adjustments that utilize distributed energy resources have mechanisms for balancing electricity supply and demand at the transmission system level. However, even if electricity supply and demand is balanced numerically at the transmission system level, there is a risk of system congestion, where electricity cannot be transmitted, occurring due to the capacity of the distribution system being exceeded. In response to this, a mechanism (local flexibility) is needed to prevent system congestion by maintaining the balance of electricity supply and demand at the distribution system level. Furthermore, when adjusting the supply and demand of electricity, if electricity is transmitted beyond the distribution area using a distribution transformer, the transmission distance becomes longer and power losses occur due to the voltage transformation by the distribution transformer. Therefore, it is more efficient to supply and demand electricity within the distribution area using a distribution transformer, as this reduces power losses.
[0006] Storage batteries, EVs, and other devices used in distributed energy resources are provided by businesses and households that are electricity consumers. The storage batteries and other devices provided by resource providers are for their own use. Therefore, when a request is made to a resource provider to provide resources to the power grid, the resource provider does not necessarily respond adequately to the request.
[0007] Therefore, an object of the present invention is to provide an aggregation system that adjusts power supply and demand within a power distribution area using a distribution transformer and encourages the participation of resource providers. [Means for solving the problem]
[0008] The inventors have found that the above-mentioned problems can be solved by an aggregation system including a power distribution area battery identification unit that identifies batteries that will perform power supply and demand adjustment within a power distribution area via a distribution transformer, a battery priority determination unit that determines the priority of batteries to request participation in the power supply and demand adjustment, and a battery matching processing unit that performs matching to determine batteries that will be requested to participate in the power supply and demand adjustment based on the priority, and have completed the present invention. Specifically, the present invention provides the following.
[0009] [1] A distribution area battery identification unit that identifies a battery that adjusts power supply and demand within a distribution area using a distribution transformer; a battery priority determination unit that determines a priority for requesting the storage batteries to participate in power supply and demand adjustment; a battery matching processing unit that performs matching to determine a battery that will be requested to participate in power supply and demand adjustment based on the priority; An aggregation system comprising:
[0010] [2] The storage battery is provided in a mobile object, a connection point information processing unit that acquires connection point information at which the storage battery can be connected to the power grid in the power distribution area; The aggregation system according to [1] above.
[0011] [3] a notification information creation unit that creates notification information to be notified to the resource provider of the matching storage battery; a power supply and demand adjustment scheduling unit that schedules the storage batteries that have been confirmed to participate in the power supply and demand adjustment and creates schedule information; an electric power supply and demand adjustment amount determination unit that determines whether or not the total amount of adjusted adjustment capacity is sufficient for the adjustment amount required for electric power supply and demand adjustment based on the schedule information; The aggregation system according to [1] or [2] above,
[0012] [4] The aggregation system according to any one of [1] to [3] above, further comprising a price calculation unit that calculates the electricity charges resulting from participation in the electricity supply and demand adjustment.
[0013] [5] The aggregation system according to any one of [1] to [4] above, comprising an amount comparison unit that compares the electricity charges resulting from participation in the electricity supply and demand adjustment with the expected profit amount that the resource provider can obtain by using the storage battery, and calculates the expected profit amount.
[0014] [6] Computer, a power distribution area battery identification means for identifying a battery that adjusts power supply and demand within a power distribution area by a distribution transformer; a battery priority determination means for determining a priority for requesting the storage batteries to participate in power supply and demand adjustment; a battery matching means for performing matching to determine a battery to be requested to participate in the power supply and demand adjustment based on the priority; Aggregation program that functions as.
[0015] [7] A step of identifying a storage battery that adjusts power supply and demand within a distribution area by a distribution transformer; determining a priority for requesting the storage battery to participate in power supply and demand adjustment; a step of performing matching to determine a storage battery to be requested to participate in power supply and demand adjustment based on the priority; The aggregation method includes: [Effects of the Invention]
[0016] According to the present invention, resources for adjusting power supply and demand can be secured from resource providers. [Brief explanation of the drawings]
[0017] [Figure 1] 1 is a diagram showing a configuration of an aggregation system according to an embodiment of the present invention. [Figure 2] FIG. 2 is a flowchart showing an example of processing by the power supply and demand resource adjustment device 200 of the present invention. [Figure 3] 1 is a diagram showing distribution area battery identification according to a first embodiment of the present invention; [Figure 4A] FIG. 10 is a diagram showing distribution area battery identification according to a second embodiment of the present invention. [Figure 4B] FIG. 10 is a diagram showing battery priority determination according to a second embodiment of the present invention. [Figure 4C] FIG. 10 is a diagram showing battery priority determination according to a second embodiment of the present invention. [Figure 5] FIG. 10 is a diagram showing distribution area battery identification according to a third embodiment of the present invention. [Figure 6A] FIG. 10 is a diagram showing distribution area battery identification according to a fourth embodiment of the present invention. [Figure 6B] FIG. 10 is a diagram showing battery priority determination according to a fourth embodiment of the present invention. DETAILED DESCRIPTION OF THE INVENTION
[0018] Hereinafter, an embodiment of the present invention (referred to as "the present embodiment") will be described in detail with reference to the drawings, etc. The present embodiment is an aggregation system that prompts resource provision when adjusting power supply and demand.
[0019] [Aggregation System] As shown in FIG. 1, the aggregation system 1 performs power supply and demand adjustment processing using a power supply and demand balance prediction device 100, a power supply and demand resource adjustment device 200, a battery management device 300, and a communication terminal 400, which are installed in a power system operator, an aggregator, a resource provider, etc.
[0020] <Electricity supply and demand balance prediction device 100> The power supply and demand balance prediction device 100 is a device for predicting the power supply and demand balance for each power distribution area using distribution transformers. The power supply and demand balance prediction device 100 can be realized by, for example, a server. The power supply and demand balance prediction device 100 may also be a general personal computer (PC) or the like. The power supply and demand balance prediction device 100 includes a control unit 110, a storage unit 120, an input unit 130, and an output unit 140. The control unit 110 includes a power supply and demand information acquisition unit 1101 (power supply and demand information acquisition means) that acquires power supply and demand information for adjusting power supply and demand within a power distribution area by a distribution transformer, and a power supply and demand balance prediction unit 1102 (power supply and demand balance prediction means) that predicts the power supply and demand balance for adjusting power supply and demand within a power distribution area by a distribution transformer.
[0021] The control unit 110 controls the entire power supply and demand balance prediction device 100. The control unit 110 is configured with an arithmetic processor such as a CPU (Central Processing Unit), a DSP (Digital Signal Processor), and an FPGA (Field-Programmable Gate Array). The various functions of the control unit 110, i.e., the power supply and demand information acquisition unit 1101 and the power supply and demand balance prediction unit 1102, are realized by executing predetermined software (programs) stored in the storage unit 120, for example. The various functions of the control unit 110, i.e., the power supply and demand balance prediction device 100, may be realized by a combination of hardware and software, or may be realized only by hardware (electronic circuits).
[0022] The storage unit 120 stores predetermined software (programs or applications). The storage unit 120 also stores location information of distribution transformers, information on areas where the distribution transformers can distribute power, and power supply and demand information acquired in power supply and demand information 1101, which will be described later. The storage unit 120 is configured by a rewritable memory such as a read only memory (ROM), a hard disc drive (HDD), or a solid state drive (SSD).
[0023] The input unit 130 receives information from outside the power demand and supply balance prediction device 100 .
[0024] The output unit 140 transmits information from the power supply and demand balance prediction device 100 to the power supply and demand resource adjustment device 200 .
[0025] The power supply and demand information acquisition unit 1101 acquires, via the input unit 130, information related to power supply and demand adjustment, such as the distribution area by the distribution transformer, date (day of the week, holiday), time, weather forecast information, planning information regarding the power usage schedule of the power consumer, and past power demand actual data of the power consumer.
[0026] The power supply and demand balance prediction unit 1102 predicts the power supply and demand balance using the power supply and demand related information acquired by the power supply and demand information acquisition unit 1101, and creates power supply and demand balance prediction information (power distribution area, power supply and demand adjustment time, and adjustment amount (power supply shortage, power supply excess, etc.)). The power supply and demand balance prediction information is created for each power distribution area by distribution transformer. The power supply and demand balance prediction unit 1102 transmits the created prediction information of the power supply and demand balance to the power supply and demand resource adjustment device 200 via the output unit 140 .
[0027] <Power supply and demand resource adjustment device 200> The power supply and demand resource adjustment device 200 is a device for performing power supply and demand adjustment processing to maintain the power supply and demand balance. The power supply and demand resource adjustment device 200 can be realized by, for example, a server. Furthermore, the power supply and demand resource adjustment device 200 may be a general personal computer (PC) or the like. The power supply and demand resource adjustment device 200 includes a control unit 210, a storage unit 220, an input unit 230, and an output unit 240. The control unit 210 includes a power distribution area battery identification unit 2101 (power distribution area battery identification means) that identifies a battery that performs power supply and demand adjustment within a power distribution area by a power distribution transformer, a battery information acquisition unit 2102 (storage battery information acquisition means) that acquires information on the identified battery, a battery priority determination unit 2103 (storage battery priority determination means) that determines a priority for requesting the battery to participate in power supply and demand adjustment, a battery matching processing unit 2104 (storage battery matching processing means) that performs matching to determine a battery that will be requested to participate in power supply and demand adjustment based on the priority, a price calculation unit 2105 (price calculation means) that calculates the power fee for participation in power supply and demand adjustment, and an expected profit that the resource provider will obtain by using the battery. a notification information creation unit 2107 (notification information creation means) that creates notification information to be notified to the resource provider of the matched storage battery; a connection point information processing unit 2108 (connection point information processing means) that acquires connection point information at which the storage battery can be connected to the power grid in the power distribution area; a power supply and demand adjustment scheduling unit 2109 (power supply and demand adjustment scheduling means) that schedules the storage batteries that have been confirmed to participate in power supply and demand adjustment and creates schedule information; and a power supply and demand adjustment amount determination unit 2110 (power supply and demand adjustment amount determination means) that determines whether the total amount of adjusted adjustment capacity is sufficient for the adjustment amount required for power supply and demand adjustment based on the schedule information.
[0028] The control unit 210 controls the entire power supply and demand resource adjustment device 200. The control unit 210 is configured with an arithmetic processor such as a CPU (Central Processing Unit), a DSP (Digital Signal Processor), and an FPGA (Field-Programmable Gate Array). The various functions of the control unit 210, namely, the power distribution area battery identification unit 2101, the battery information acquisition unit 2102, the battery priority determination unit 2103, the battery matching processing unit 2104, the amount calculation unit 2105, the amount comparison unit 2106, the notification information creation unit 2107, the connection point information processing unit 2108, the power supply and demand adjustment scheduling unit 2109, and the power supply and demand adjustment amount determination unit 2110, are realized by executing predetermined software (programs) stored in the storage unit 220, for example. The various functions of the control unit 210, namely, the distribution area battery detection unit 2101, the battery information acquisition unit 2102, the battery priority determination unit 2103, the battery matching processing unit 2104, the amount calculation unit 2105, the amount comparison unit 2106, the notification information creation unit 2107, the connection point information processing unit 2108, the power supply and demand adjustment scheduling unit 2109, and the power supply and demand adjustment amount determination unit 2110, may be realized by a combination of hardware and software, or may be realized by hardware (electronic circuits) alone.
[0029] The storage unit 220 stores predetermined software (programs or applications). The storage unit 220 also saves other information necessary for performing power demand adjustment processing. For example, this information includes distribution area information for each distribution transformer, information about storage batteries that have been registered in advance by resource providers for use in power supply and demand adjustment (storage battery capacity information, past power usage pattern information, location information, and storage locations of mobile objects equipped with storage batteries, etc.), information about the storage battery's adjustment capability (charge amount, available capacity, etc.) transmitted from the storage battery management device 300 (described later), and information transmitted from the communication terminal 400. The storage unit 220 also stores forecast information on the power supply and demand balance acquired by the input unit 230 (described later). The storage unit 220 also stores other information necessary for power supply and demand adjustment. The storage unit 220 is configured by a rewritable memory such as a read only memory (ROM), a hard disc drive (HDD), or a solid state drive (SSD).
[0030] The input unit 230 receives information transmitted from the power supply and demand balance prediction device 100, information transmitted from the battery management device 300, and information transmitted from the communication terminal 400. Examples of the received information include the above-mentioned power supply and demand balance prediction information, whether or not a resource provider can participate in power supply and demand adjustment (described later), information on the predicted adjustment capacity of the storage battery, and location information of the storage battery.
[0031] The output unit 240 transmits information from the power supply and demand resource adjustment device 200 to the communication terminal 400 .
[0032] The aggregation method processed by the power supply and demand resource adjustment device 200 will be described with reference to FIG.
[0033] [Process 1] The power distribution area storage battery identification unit 2101 identifies a storage battery for adjusting power supply and demand in a power distribution area controlled by a distribution transformer where power supply and demand adjustment is required, based on the predicted information on the power supply and demand balance received by the input unit 230 (step S1). The storage battery is identified from registered storage batteries located in the power distribution area controlled by the distribution transformer where power supply and demand adjustment is required and / or within a predetermined range from the power distribution area. The storage battery is a storage battery that has been registered in advance by a resource provider for use in power supply and demand adjustment. The storage battery includes stationary storage batteries and mobile storage batteries. Examples of stationary storage batteries include storage batteries installed in real estate such as homes, office buildings, factories, and schools. Examples of mobile storage batteries include storage batteries installed in mobile objects such as electric vehicles (EVs), hybrid vehicles, electric motorcycles, drones, electric boats, and electric wheelchairs. The predetermined range from the power distribution area is a range of a predetermined distance from the power distribution area or a range within which a mobile object can move within the power distribution area within a predetermined time. The storage battery is identified based on its location information. For the location information of a fixed storage battery, the location information stored in the storage unit 220 is used. For the location information of a mobile storage battery, the storage location information of a mobile object equipped with a mobile storage battery, which is stored in the storage unit 220, is used.
[0034] [Process 2] The storage battery information acquisition unit 2102 acquires storage battery information identified by the power distribution area storage battery identification unit 2101, such as storage battery usage status information (charge amount, planned use, etc.), storage battery predicted charge amount information, storage battery predicted free capacity information, storage battery location information, and storage location information of a mobile object equipped with a storage battery (step S2). Storage battery usage status information is acquired from the storage battery management device 300, which will be described later. Storage battery predicted charge amount information is acquired from the storage battery management device 300 or from the storage battery's past usage status. Storage battery predicted free capacity information is acquired by subtracting the predicted charge amount from the storage battery capacity. If the storage battery is a mobile storage battery, location information of the mobile storage battery is acquired from the storage battery management device 300, which will be described later.
[0035] [Process 3] The battery priority determination unit 2103 determines the priority of requesting the storage battery identified by the power distribution area battery identification unit 2101 to participate in power supply and demand adjustment (step S3). The priority is determined based on priority evaluation items such as the type of storage battery, the predicted adjustment capacity of the storage battery, the distance from the power distribution area, the means of connection to the power grid, and the participation history in power supply and demand adjustment. The order of priority of the priority evaluation items can be changed as desired.
[0036] [Process 4] The battery matching processing unit 2104 performs matching to determine the battery that will be requested to participate in the power supply and demand adjustment based on the priority determined by the battery priority determination unit 2103 (step S4). Matching is performed so that the amount of power supply or power demand required for power supply and demand adjustment can be secured. Through matching, the battery that will be requested to participate in the power supply and demand adjustment is determined.
[0037] [Process 5] The price calculation unit 2105 sets the unit price of electricity for participation in power supply and demand adjustment, and calculates the power price for participation in power supply and demand adjustment (step S5). When the amount of power generated is smaller than the amount of demand (when there is a power shortage), the power price for participation in power supply and demand adjustment is the purchase price of the power from the storage battery. When the amount of power generated is greater than the amount of demand (when there is a power surplus), the power price for participation in power supply and demand adjustment is the sales price of the power charged to the storage battery. The unit price of the purchase price is set based on, for example, the time period of the power supply and demand response and the amount of power. The unit price of the sales price is set to, for example, a price lower than the unit price of an electricity rate plan such as a metered electricity plan subscribed to by the resource provider. The purchase price and sales price are calculated by multiplying the unit price by the adjustment capacity provided by the storage battery.
[0038] [Process 6] When the storage battery used in the business participates in power supply adjustment, the amount comparison unit 2106 compares the electricity fee for participating in power supply and demand adjustment with the expected profit amount that the resource provider will obtain by using the storage battery, and calculates the expected profit amount (step S6). When there is a power supply shortage, the expected profit amount is calculated using the expected profit amount that is expected to be obtained when the power from the storage battery is used in the business and the above-mentioned purchase price. When there is a power supply surplus, the expected profit amount is calculated using the expected profit amount that is expected to be obtained when the power from the storage battery is used in the business and the expected reduction amount that is expected to be reduced when the power is purchased at the above-mentioned sales price.
[0039] [Process 7] The notification information creation unit 2107 creates notification information to be notified to the resource provider of the storage battery matched by the storage battery matching processing unit 2104, including power supply and demand adjustment information such as the planned time period for power supply and demand adjustment, the adjustment capacity to be provided, the rate unit price, the purchase price, the sales price, and the expected profit amount, as well as a request to participate in the power supply and demand adjustment (step S7). The notification information is transmitted to the communication terminal 400 by the output unit 240.
[0040] [Process 8] If the storage battery participating in the power supply and demand adjustment is a mobile storage battery (step S8), the connection point information processing unit 2108 acquires connection point information that can be connected to the power grid in the distribution area and is available at the time the storage battery participates in the power supply and demand adjustment (step S9). The connection point is, for example, an EV charging / discharging facility, such as a public charging / discharging station, a home charging / discharging facility, or a swap station. The connection method may be wired or wireless. The connection point information is transmitted to the communication terminal 400 by the output unit 240.
[0041] [Process 9] The power supply and demand adjustment scheduling unit 2109 schedules the time for power supply and demand adjustment, connection points, adjustment capacity (charge amount or available capacity), and unit price for storage batteries that have been confirmed to participate in power supply and demand adjustment based on the resource provider's intention to participate, and creates schedule information (step S10).
[0042] [Process 10] The power supply and demand adjustment amount determination unit 2110 determines whether the total amount of adjustment capacity adjusted based on the schedule information created by the power supply and demand adjustment scheduling unit 2109 is sufficient for the adjustment amount required for power supply and demand adjustment (step S11). If the adjustment capacity is sufficient (step S12), the power supply and demand adjustment process ends. If the adjustment amount is insufficient (step S12), the battery priority determination unit 2103 again determines the priority for requesting participation in power supply and demand adjustment (step S3).
[0043] [Process 11] The battery priority determination unit 2103 may change the priority evaluation items used in the previous priority determination when re-determining the priorities. For example, the distance from the power distribution area, which is a priority evaluation item, may be changed from within 3 km in the previous priority determination to within 5 km.
[0044] [Process 12] Based on the re-priority determination by the battery priority determination unit 2102, power supply and demand adjustment processing of processing 3 to processing 10 is performed. The processing is repeated until the adjustment capacity becomes sufficient in processing 10 and the power supply and demand adjustment processing is terminated.
[0045] [Process 13] After the power supply and demand adjustment process is completed, if the power supply and demand resource adjustment device 200 acquires information from the communication terminal 400 via the input unit 230 indicating that participation in the power supply and demand adjustment will be canceled (step S13), the power supply and demand adjustment scheduling unit 2109 modifies the schedule information (step S14).
[0046] [Process 14] The power supply and demand adjustment amount determination unit 2110 determines whether the total amount of adjustment capacity is sufficient for the adjustment amount required for power supply and demand adjustment based on the corrected schedule information (step S15). If the adjustment amount is sufficient (step S12), no further power supply and demand adjustment processing is performed. If the adjustment amount is insufficient (step S12), the power supply and demand adjustment processing is resumed, and steps 3 to 10 are performed.
[0047] <Storage battery management device 300> The battery management device 300 is a device for managing usage status information (charge amount, free capacity, planned use, etc.) of the resource provider's battery, predicted charge amount information of the battery, predicted free capacity information of the battery, location information of the battery, etc. The battery management device 300 can be realized by, for example, a server. Alternatively, the battery management device 300 may be a general personal computer (PC) or the like. The battery management device 300 includes a control unit 310, a memory unit 320, an input unit 330, and an output unit 340. The control unit 310 includes a battery status acquisition unit 3101 (battery status acquisition means) that acquires information about the battery status.
[0048] The control unit 310 controls the entire storage battery management device 300. The control unit 310 is configured with an arithmetic processor such as a central processing unit (CPU), a digital signal processor (DSP), or a field-programmable gate array (FPGA). The various functions of the control unit 310, i.e., the storage battery status acquisition unit 3101, are realized by executing predetermined software (programs) stored in the storage unit 320, for example. The various functions of the control unit 310, i.e., the storage battery management device 300, may be realized by a combination of hardware and software, or may be realized by hardware (electronic circuits) alone.
[0049] The storage unit 320 stores predetermined software (programs or applications) and also stores the storage battery status information acquired by the storage battery status acquisition unit 3101. The storage unit 320 is configured by a rewritable memory such as a read only memory (ROM), a hard disc drive (HDD), or a solid state drive (SSD).
[0050] The input unit 330 receives information necessary for adjusting the power supply and demand.
[0051] The output unit 340 transmits the information to the power supply and demand resource adjustment device 200 .
[0052] The storage battery status acquisition unit 3101 acquires information on the adjustment capability of the storage battery (power supply or power demand), information on planned use of the storage battery, etc. Furthermore, if the storage battery is a mobile storage battery, the storage battery status acquisition unit 3101 acquires location information from a mobile object equipped with the storage battery. The mobile object acquires location information using a GPS (Global Positioning System), space-time synchronization, etc. The information on the adjustment capability of the storage battery (power supply or power demand), information on planned use of the storage battery, and location information, etc. are transmitted to the power supply and demand resource adjustment device 200 by the output unit 340.
[0053] <Communication terminal 400> The resource provider checks information related to power supply and demand adjustment using the communication terminal 400. Examples of the communication terminal 400 include a smartphone, a tablet, a mobile phone, a PC (personal computer), and a car navigation system. The communication terminal 400 includes a control unit 410, a storage unit 420, an input unit 430, and an output unit 440. The control unit 410 includes a power supply and demand adjustment information presentation unit 4101 (power supply and demand adjustment information presentation means) that presents power supply and demand adjustment information to a resource provider.
[0054] The control unit 410 controls the entire communication terminal 400. The control unit 410 is configured with an arithmetic processor such as a CPU (Central Processing Unit), a DSP (Digital Signal Processor), and an FPGA (Field-Programmable Gate Array). The various functions of the control unit 410, i.e., the power supply and demand adjustment information presentation unit 4101, are realized by executing predetermined software (programs) stored in the memory 420, for example. The various functions of the control unit 410, i.e., the communication terminal 400, may be realized by a combination of hardware and software, or may be realized only by hardware (electronic circuits).
[0055] The storage unit 420 stores predetermined software (programs or applications) and also stores information received from the power supply and demand resource adjustment device 200 by the input unit 430, which will be described later. The storage unit 420 is configured by a rewritable memory such as a read only memory (ROM), a hard disc drive (HDD), or a solid state drive (SSD).
[0056] The input unit 430 receives information from the power supply and demand resource adjustment device 200 .
[0057] The output unit 440 transmits the information to the power supply and demand resource adjustment device 200 .
[0058] The power supply and demand adjustment information presentation unit 4101 displays the power supply and demand adjustment information, the request to participate in power supply and demand adjustment, and the connection point received from the power supply and demand resource adjustment device 200 on the communication terminal.
[0059] The resource provider checks the power supply and demand adjustment information and transmits to the power supply and demand resource adjustment device 200 via the output unit 440 whether or not the resource provider will participate in the power supply and demand adjustment.
[0060] First Embodiment The first embodiment is an embodiment in which the power supply and demand balance prediction unit 1101 of the power supply and demand balance prediction device 100 predicts that the power supply and demand balance will be greater than the power generation amount, resulting in a power shortage (power shortage prediction), and the storage batteries used for adjusting the power supply and demand do not include mobile storage batteries.
[0061] The power supply and demand balance prediction device 100 acquires power supply and demand adjustment related information (for example, power distribution area A, adjustment power provision date and time: June 10th (Monday) 12:00 to 15:00, adjustment amount (power supply shortage): 20 kWh) using the power supply and demand information acquisition unit 1101. The power supply and demand adjustment related information is transmitted to the power supply and demand resource adjustment device 200 by the output unit 240.
[0062] The power supply and demand resource adjustment device 200 receives the above-mentioned power supply and demand adjustment related information through the input unit 230 .
[0063] 3, the power distribution area battery identification unit 2101 identifies batteries that are registered to respond to power supply and demand adjustment and exist within the power distribution area of the distribution transformer stored in the storage unit 220, based on the power distribution area information where power shortages will occur, which is included in the power supply and demand adjustment related information. Location information of the fixed type batteries (storage battery 1-1 to storage battery 1-4) is acquired from the storage unit 220.
[0064] The storage battery information acquisition unit 2102 acquires, from the memory unit 220, the storage battery types, resource providers, and past participation histories in power supply and demand adjustments for the storage batteries 1-1 to 1-4 identified by the power distribution area storage battery identification unit 2101, as shown in Table 2. Furthermore, the storage battery information acquisition unit 2102 acquires, via the input unit 230, predicted charge amount information for the storage batteries acquired by the storage battery status acquisition unit 3101 of the storage battery management device 300, as shown in Table 1. [Table 1]
[0065] The battery priority determination unit 2102 determines the priority as shown in Table 2 based on the predicted charge amount shown in Table 1 and the history of past power supply and demand adjustment. At this time, the priority is set so that the larger the predicted charge amount, the higher the priority, and the higher the priority is if there is a history of participation in power supply and demand adjustment. Furthermore, the size of the predicted charge amount has the greatest influence on the determination of this priority. [Table 2]
[0066] The battery matching processing unit 2104 matches the storage batteries 1-2 to 1-4 as storage batteries that will adjust the power supply and demand based on Table 2 so as to secure the power supply shortage (20 kWh) predicted by the power supply and demand balance prediction unit 1101. The battery matching processing unit 2104 also allocates the amount of power to be supplied (supply amount) to the matched storage batteries (for example, 7 kWh for the storage battery 1-2, 9 kWh for the storage battery 1-3, and 4 kWh for the storage battery 1-4).
[0067] The price calculation unit 2105 sets the unit price (for example, 40 yen / kWh). The price calculation unit 2105 calculates the electricity price (purchase price) (320 yen for storage battery 1-2, 360 yen for storage battery 1-3, and 160 yen for storage battery 1-4) based on the supply amount (7 kWh for storage battery 1-2, 9 kWh for storage battery 1-3, and 4 kWh for storage battery 1-4) and the unit price (40 yen / kWh).
[0068] The notification information creation unit 2107 creates notification information for the resource provider who owns storage batteries 1-2 to 1-4, including the planned time period for power supply and demand adjustment (12:00 to 15:00 on Monday, June 10th), the supply amount (7 kWh for storage battery 1-2, 9 kWh for storage battery 1-3, and 4 kWh for storage battery 1-4), the unit price (40 yen / kWh), and the purchase fee (320 yen for storage battery 1-2, 360 yen for storage battery 1-3, and 160 yen for storage battery 1-4), as well as a request to participate in the power supply and demand adjustment, and transmits this notification information to the resource provider's communication terminal 400 via the output unit 240.
[0069] The power supply and demand adjustment information presentation unit 4101 presents the power supply and demand adjustment information received by the input unit 430 to the resource provider. The resource provider checks the content of the power supply and demand information, and transmits their intention to participate in the power supply and demand adjustment (for example, storage battery 1-2: participate, storage battery 1-3: participate, storage battery 1-4: participate) by the output unit 440 to the power supply and demand resource adjustment device 200 of the aggregator.
[0070] The power supply and demand adjustment scheduling unit 2109 creates a power supply and demand adjustment schedule for each storage battery as shown in Table 3, based on the received participation intention of the resource provider. [Table 3]
[0071] The power supply and demand adjustment amount determination unit 2110 determines that the total supply amount (20 kWh) from the resource providers in Table 3 is sufficient for the power supply shortage (20 kWh). Because the determination shows that the total supply amount is sufficient for the supply shortage, the power supply and demand adjustment amount determination unit 2110 ends the power supply and demand adjustment process.
[0072] <Second embodiment> The second embodiment is an embodiment in which the power supply and demand balance prediction unit 1101 of the power supply and demand balance prediction device 100 predicts that the power supply and demand balance will be greater than the amount of power generated, resulting in a power shortage ("power shortage prediction"), and the storage battery used for adjusting the power supply and demand includes a mobile storage battery.
[0073] The power supply and demand balance prediction device 100 acquires power supply and demand adjustment related information (for example, power distribution area A, adjustment power provision date and time: June 10th (Monday) 12:00 to 15:00, adjustment amount (power supply shortage): 120 kWh) using the power supply and demand information acquisition unit 1101. The power supply and demand adjustment related information is transmitted to the power supply and demand resource adjustment device 200 by the output unit 240.
[0074] The power supply and demand resource adjustment device 200 receives the above-mentioned power supply and demand adjustment related information through the input unit 230 .
[0075] The power distribution area battery identification unit 2101 identifies, as shown in FIG. 4A , storage batteries that are registered to respond to power supply and demand adjustment and that are located within the power distribution area of the distribution transformer stored in the storage unit 220 and within a predetermined distance (for example, within 6 km) from the power distribution area, based on power distribution area information where power shortages occur, included in the power supply and demand adjustment related information. Fixed storage batteries (storage batteries 2-1 to 2-4) are identified based on location information stored in the storage unit 220. Mobile storage batteries (storage batteries 2-5 to 2-7) are identified based on location information of storage locations of mobile objects stored in the storage unit 220.
[0076] The storage battery information acquisition unit 2102 acquires, from the memory unit 220, the storage battery types, resource providers, and past participation histories in power supply and demand adjustments for the storage batteries 2-1 to 2-7 identified by the power distribution area storage battery identification unit 2101, as shown in Table 4. In addition, the storage battery information acquisition unit 2102 acquires, via the input unit 230, predicted charge amount information for the storage batteries acquired by the storage battery status acquisition unit 3101 of the storage battery management device 300, as shown in Table 4. [Table 4]
[0077] The battery priority determination unit 2102 determines the priority as shown in Table 5 based on the predicted charge amount, distance from the power distribution area, and history of past power supply and demand adjustments listed in Table 4. At this time, the larger the predicted charge amount, the higher the priority, and if there is a history of participation in power supply and demand adjustments, the priority is also higher, and the target storage battery is set to be within 3 km of the power distribution area as shown in Fig. 4B. Furthermore, the distance from the power distribution area is set to have the greatest influence on this priority determination. [Table 5]
[0078] The battery matching processing unit 2104 matches the storage batteries 2-1 to 2-5 as storage batteries for adjusting power supply and demand based on Table 5 so as to secure the power supply shortage (120 kWh) predicted by the power supply and demand balance prediction unit 1101. The battery matching processing unit 2104 also allocates the amount of power to be supplied (supply amount) to the matched storage batteries (for example, 9 kWh for the storage battery 2-1, 14 kWh for the storage battery 2-2, 18 kWh for the storage battery 2-3, 14 kWh for the storage battery 2-4, and 65 kWh for the storage battery 2-5).
[0079] The price calculation unit 2105 sets the unit price (for example, 50 yen / kWh). The price calculation unit 2105 calculates the electricity price (purchase price) (450 yen for storage battery 2-1, 700 yen for storage battery 2-2, 900 yen for storage battery 2-3, 700 yen for storage battery 2-4, and 3,200 yen for storage battery 2-5) based on the supply amount (9 kWh for storage battery 2-1, 14 kWh for storage battery 2-2, 18 kWh for storage battery 2-3, 14 kWh for storage battery 2-4, and 65 kWh for storage battery 2-5) and the unit price (50 yen / kWh).
[0080] When the resource provider of the matching storage battery is a business (e.g., a taxi business) (storage battery 2-5), the amount comparison unit 2106 acquires the expected profit amount (e.g., 2,800 yen) that the business will earn by using the power of the storage battery during the time period when power supply and demand adjustment is performed from the storage unit 220. The amount comparison unit 2106 calculates the expected profit amount (400 yen) from the purchase fee (3,200 yen) calculated by the amount calculation unit 2105 and the expected profit amount (2,800 yen).
[0081] The notification information creation unit 2107 creates notification information for the resource provider who owns storage batteries 2-1 to 2-5, including the planned time period for power supply and demand adjustment (12:00 to 15:00 on Monday, June 10th), the supply amount (9 kWh for storage battery 2-1, 14 kWh for storage battery 2-2, 18 kWh for storage battery 2-3, 14 kWh for storage battery 2-4, and 65 kWh for storage battery 2-5), the unit price (50 yen / kWh), the purchase fee (450 yen for storage battery 2-1, 700 yen for storage battery 2-2, 900 yen for storage battery 2-3, 700 yen for storage battery 2-4, and 3,200 yen for storage battery 2-5), and the expected profit amount (400 yen), as well as a request to participate in the power supply and demand adjustment, and transmits this notification information to the communication terminal 400 of the resource provider via the output unit 240.
[0082] The power supply and demand adjustment information presentation unit 4101 presents the power supply and demand adjustment information received by the input unit 430 to the resource provider. The resource provider checks the content of the power supply and demand information, and transmits their intention to participate in the power supply and demand adjustment (for example, storage battery 2-1: not participating, storage battery 2-2: not participating, storage battery 2-3: not participating, storage battery 2-4: not participating, storage battery 2-5: participating) by the output unit 440 to the power supply and demand resource adjustment device 200 of the aggregator.
[0083] When a mobile storage battery (storage battery 2-5) participates in power supply and demand adjustment, the connection point information processing unit 2108 acquires information on connection points to which the storage battery 2-5 can be connected from the storage unit 220. Of the connection points, information on a connection point (e.g., connection point A) that can be used during the time period for power supply and demand adjustment is acquired. The information on connection point A is transmitted by the output unit 240 to the communication terminal 400 of the resource provider of the storage battery 2-5.
[0084] The power supply and demand adjustment scheduling unit 2109 creates a power supply and demand adjustment schedule for the storage battery as shown in Table 6, based on the received participation intention of the resource provider. [Table 6]
[0085] The power supply and demand adjustment amount determination unit 2110 determines whether the total amount of supply (65 kWh) from the resource providers in Table 6 is sufficient for the power supply shortage (120 kWh). If the determination shows that the total amount of supply is insufficient for the power supply shortage (short supply amount 55 kWh), the power supply and demand adjustment amount determination unit 2110 performs the power supply and demand adjustment process again, starting with determining the priority of the storage batteries.
[0086] The battery priority determination unit 2102 determines the priority of the batteries listed in Table 4 that have not requested to participate in the power supply and demand adjustment. At this time, the priority setting is changed (for example, the target battery is within 4 km from the power distribution area as shown in FIG. 4C), and the priority is determined as shown in Table 7. [Table 7]
[0087] The battery matching processing unit 2104 matches the battery 2-6 as a battery that adjusts power supply and demand so as to secure the power supply shortage (55 kWh) based on the priority in Table 7. The battery matching processing unit 2104 also allocates the amount of power (supply amount) to be supplied to the matched battery (for example, 55 kWh for the battery 2-7).
[0088] The price calculation unit 2105 calculates the unit price (for example, 50 yen / kWh). The price calculation unit 2105 calculates the electricity price (purchase price) (2,750 yen for the storage battery 2-6) based on the supply amount (55 kWh for the storage battery 2-6) and the unit price (50 yen / kWh).
[0089] The notification information creation unit 2107 creates notification information for the resource provider who owns the storage battery 2-6, including the planned time period for power supply and demand adjustment (12:00 to 15:00 on Monday, June 10th), the supply amount (55 kWh for the storage battery 2-6), the unit price (50 yen / kWh), and the purchase fee (2,750 yen for the storage battery 2-6), as well as a request to participate in the power supply and demand adjustment, and transmits this information to the mobile terminal 400 of the resource provider via the output unit 240.
[0090] The power supply and demand adjustment information presentation unit 4101 presents the power supply and demand adjustment information received by the input unit 430 to the resource provider. The resource provider checks the content of the power supply and demand information, and transmits an intention to participate in the power supply and demand adjustment (for example, storage battery 2-6: participate) by the output unit 440 to the power supply and demand resource adjustment device 200 of the aggregator.
[0091] When a mobile storage battery (storage battery 2-6) participates in power supply and demand adjustment, the connection point information processing unit 2108 acquires information on connection points to which the storage battery 2-6 can be connected from the storage unit 220. Of the connection points, information on a connection point (e.g., connection point B) that can be used during the time period for power supply and demand adjustment is acquired. The information on connection point B is transmitted by the output unit 240 to the communication terminal 400 of the resource provider of the storage battery 2-6.
[0092] The power supply and demand adjustment scheduling unit 2109 creates a power supply and demand adjustment schedule for each storage battery as shown in Table 8 based on the power supply and demand adjustment schedule for the storage batteries in Table 6 and the participation intention of the resource provider of storage batteries 2-6. [Table 8]
[0093] The power supply and demand adjustment amount determination unit 2110 determines whether the total supply amount (120 kWh) from the resource providers in Table 8 is sufficient for the power supply shortage (120 kWh). Since the determination shows that the total supply amount is sufficient for the supply shortage, the power supply and demand adjustment amount determination unit 2110 ends the power supply and demand adjustment process.
[0094] <Third embodiment> The third embodiment is an embodiment in which the power supply and demand balance prediction unit 1101 of the power supply and demand balance prediction device 100 predicts that the power supply and demand balance will be less than the power generation amount, resulting in an excess of power (power surplus prediction), and the storage batteries used for adjusting the power supply and demand do not include mobile storage batteries.
[0095] The power supply and demand balance prediction device 100 acquires power supply and demand adjustment related information (for example, power distribution area A, adjustment power provision date and time: June 10th (Monday) 12:00 to 15:00, adjustment amount (excess power supply amount): 20 kWh) using the power supply and demand information acquisition unit 1101. The power supply and demand adjustment related information is transmitted to the power supply and demand resource adjustment device 200 by the output unit 240.
[0096] The power supply and demand resource adjustment device 200 receives the above-mentioned power supply and demand adjustment related information through the input unit 230 .
[0097] 5, the power distribution area battery identification unit 2101 identifies batteries that are registered to respond to power supply and demand adjustment and exist within the power distribution area of the distribution transformer stored in the storage unit 220, based on the power distribution area information where excess power occurs included in the power supply and demand adjustment related information. Location information of the fixed type batteries (storage battery 3-1 to storage battery 3-4) is acquired from the storage unit 220.
[0098] The storage battery information acquisition unit 2102 acquires, from the memory unit 220, the storage battery types, resource providers, and past participation histories in power supply and demand adjustments for the storage batteries 1-1 to 1-4 identified by the power distribution area storage battery identification unit 2101, as shown in Table 9. In addition, the storage battery information acquisition unit 2102 acquires, via the input unit 230, predicted available capacity information of the storage batteries acquired by the storage battery status acquisition unit 3101 of the storage battery management device 300, as shown in Table 9. [Table 9]
[0099] The battery priority determination unit 2102 determines the priority as shown in Table 10 based on the predicted available capacity shown in Table 9 and the history of past power supply and demand adjustments. At this time, the priority is set so that the larger the predicted available capacity, the higher the priority, and so that the battery with a history of participation in power supply and demand adjustments has a higher priority. Furthermore, the size of the predicted available capacity is set to have the greatest influence on this priority determination. [Table 10]
[0100] The battery matching processing unit 2104 matches the storage batteries 3-2 to 3-4 as batteries that will adjust the power supply and demand so as to ensure the demand for the excess power supply (20 kWh) predicted by the power supply and demand balance prediction unit 1101 based on Table 10. The battery matching processing unit 2104 also allocates the amount of power (demand) that the matched storage batteries will request them to demand (for example, 7 kWh for the storage battery 3-2, 9 kWh for the storage battery 3-3, and 4 kWh for the storage battery 3-4).
[0101] The price calculation unit 2105 sets the unit price (for example, 3 yen / kWh). The price calculation unit 2105 calculates the electricity price (sales price) (12 yen for storage battery 1-2, 24 yen for storage battery 1-3, and 30 yen for storage battery 1-4) based on the demand amount (7 kWh for storage battery 3-2, 9 kWh for storage battery 3-3, and 4 kWh for storage battery 3-4) and the unit price (3 yen / kWh).
[0102] The notification information creation unit 2107 creates notification information for the resource provider who owns storage batteries 3-2 to 3-4, including the planned time period for power supply and demand adjustment (12:00 to 15:00 on Monday, June 10th), the demand amount (7 kWh for storage battery 3-2, 9 kWh for storage battery 3-3, and 4 kWh for storage battery 3-4), the unit price (3 yen / kWh), and the sales price (12 yen for storage battery 3-2, 24 yen for storage battery 3-3, and 30 yen for storage battery 3-4), as well as a request to participate in the power supply and demand adjustment, and transmits this notification information to the communication terminal 400 of the resource provider via the output unit 240.
[0103] The power supply and demand adjustment information presentation unit 4101 presents the power supply and demand adjustment information received by the input unit 430 to the resource provider. The resource provider checks the content of the power supply and demand information, and transmits their intention to participate in the power supply and demand adjustment (for example, storage battery 3-2: participate, storage battery 3-3: participate, storage battery 3-4: participate) by the output unit 440 to the power supply and demand resource adjustment device 200 of the aggregator.
[0104] The power supply and demand adjustment scheduling unit 2109 creates a power supply and demand adjustment schedule for each storage battery as shown in Table 11, based on the received participation intention of the resource provider. [Table 11]
[0105] The power supply and demand adjustment amount determination unit 2110 determines that the total amount of demand (20 kWh) from the resource providers in Table 11 is sufficient for the excess power supply (20 kWh). Because this determination indicates that the total amount of supply is sufficient for the shortage of supply, the power supply and demand adjustment amount determination unit 2110 ends the power supply and demand adjustment process.
[0106] The power supply and demand resource adjustment device 200 receives, via the input unit 230, information to the effect that participation in power supply and demand adjustment will be cancelled, which information is transmitted from the communication terminal 400 of the resource provider who owns the storage battery 3-4.
[0107] Based on the information to the effect that participation in the power supply and demand adjustment is canceled, the power supply and demand adjustment scheduling unit 2109 amends the power supply and demand adjustment schedule as shown in Table 12. [Table 12]
[0108] The power supply and demand adjustment amount determination unit 2110 determines whether the total amount of demand (16 kWh) from the resource providers in Table 12 is sufficient for the excess power supply (20 kWh). If the determination shows that the total amount of demand is insufficient for the excess power supply (excess power supply 4 kWh), the power supply and demand adjustment amount determination unit 2110 performs the power supply and demand adjustment process again, starting with determining the priority of the storage batteries.
[0109] The battery priority determination unit 2102 determines priorities for the batteries listed in Table 10 that have not requested participation in power supply and demand adjustment, and determines the priorities as shown in Table 13. [Table 13]
[0110] The battery matching processing unit 2104 matches the battery 3-1 as a battery that performs power supply and demand adjustment so as to secure an excess power supply amount (4 kWh) based on Table 13. Furthermore, the amount of power that the matched battery is to demand (demand amount) is allocated to the matched battery (for example, 4 kWh for the battery 3-1).
[0111] The price calculation unit 2105 sets the unit price (for example, 3 yen / kWh). The price calculation unit 2105 calculates the electricity price (sales price) (12 yen for the storage battery 3-1) based on the supply amount (4 kWh for the storage battery 3-1) and the unit price (3 yen / kWh).
[0112] The notification information creation unit 2107 creates notification information for the resource provider who owns the storage battery 3-1, including the planned time period for power supply and demand adjustment (12:00 to 15:00 on Monday, June 10th), the demand amount (4 kWh for the storage battery 3-1), the unit price (3 yen / kWh), and the sales price (12 yen for the storage battery 3-1), as well as a request to participate in the power supply and demand adjustment, and transmits this information to the mobile terminal 400 of the resource provider via the output unit 240.
[0113] The power supply and demand adjustment information presentation unit 4101 presents the power supply and demand adjustment information received by the input unit 430 to the resource provider. The resource provider checks the content of the power supply and demand information, and transmits an intention to participate in the power supply and demand adjustment (for example, storage battery 3-1: participate) by the output unit 440 to the power supply and demand resource adjustment device 200 of the aggregator.
[0114] The power supply and demand adjustment scheduling unit 2109 creates a power supply and demand adjustment schedule for each storage battery as shown in Table 14 based on the power supply and demand adjustment schedule for the storage battery in Table 12 and the participation intention of the resource provider of storage battery 3-1. [Table 14]
[0115] The power supply and demand adjustment amount determination unit 2110 determines whether the total amount of demand (20 kWh) from the resource providers in Table 14 is sufficient for the excess power supply (20 kWh). Since the determination shows that the total amount of demand is sufficient for the excess power supply, the power supply and demand adjustment amount determination unit 2110 ends the power supply and demand adjustment process.
[0116] <Fourth embodiment> The fourth embodiment is an embodiment in which the power supply and demand balance prediction unit 1101 of the power supply and demand balance prediction device 100 predicts that the power supply and demand balance will be less than the power generation amount, resulting in an excess of power (power surplus prediction), and the storage battery used for adjusting the power supply and demand includes a mobile storage battery.
[0117] The power supply and demand balance prediction device 100 acquires power supply and demand adjustment related information (for example, power distribution area A, adjustment power provision date and time: June 10th (Monday) 12:00 to 15:00, adjustment amount (excess power supply amount): 120 kWh) using the power supply and demand information acquisition unit 1101. The power supply and demand adjustment related information is transmitted to the power supply and demand resource adjustment device 200 by the output unit 240.
[0118] The power supply and demand resource adjustment device 200 receives the above-mentioned power supply and demand adjustment related information through the input unit 230 .
[0119] Based on the power distribution area information where surplus power occurs included in the power supply and demand adjustment-related information, the power distribution area battery identification unit 2101 identifies the batteries registered to respond to power supply and demand adjustment that are located within the power distribution area of the distribution transformer stored in the storage unit 220 and within a predetermined distance (e.g., within 10 km) from the power distribution area, as shown in Fig. 6A. Location information of the fixed storage batteries (storage battery 4-3, storage battery 4-4) is acquired from the storage unit 220. Location information of the mobile storage batteries (storage battery 4-1, storage battery 4-2, storage battery 4-5) is acquired using the GPS of the mobile body.
[0120] The storage battery information acquisition unit 2102 acquires from the memory unit 220 the storage battery type, mobile object type, resource provider, and past participation history in power supply and demand adjustment of the storage batteries 2-1 to 2-7 identified by the power distribution area storage battery identification unit 2101, as shown in Table 4. In addition, the storage battery information acquisition unit 2102 acquires, via the input unit 230, predicted available capacity information of the storage batteries acquired by the storage battery status acquisition unit 3101 of the storage battery management device 300, as shown in Table 15. [Table 15]
[0121] The battery priority determination unit 2102 determines the priority as shown in Table 16 based on the predicted available capacity, distance from the power distribution area, and past history of power supply and demand adjustment listed in Table 15. At this time, the larger the predicted available capacity, the higher the priority, and the higher the priority if there is a history of participation in power supply and demand adjustment. As shown in Fig. 6B, the storage battery installed in the mobile object is set to be within 3 km from the power distribution area if the mobile object is an EV, and within 6 km from the power distribution area if the mobile object is a drone. [Table 16]
[0122] The battery matching processing unit 2104 matches the storage batteries 4-2 to 4-5 as batteries that will adjust the power supply and demand based on Table 16 so as to secure the excess power supply (120 kWh) predicted by the power supply and demand balance prediction unit 1101. The battery matching processing unit 2104 also allocates the amount of power that the matched storage batteries are to demand (demand amount) (for example, 20 kWh for the storage battery 4-2, 15 kWh for the storage battery 4-3, 15 kWh for the storage battery 4-4, and 70 kWh for the storage battery 4-5).
[0123] The price calculation unit 2105 sets the unit price (for example, 3 yen / kWh). The price calculation unit 2105 calculates the electricity price (sales price) (60 yen for the battery 4-2, 45 yen for the battery 4-3, 45 yen for the battery 4-4, and 210 yen for the battery 4-5) based on the demand amount (20 kWh for the battery 4-2, 15 kWh for the battery 4-3, 15 kWh for the battery 4-4, and 70 kWh for the battery 4-5) and the unit price (3 yen / kWh).
[0124] When the resource provider of the matching storage battery is a business (e.g., a leisure business) (storage battery 4-2), the amount comparison unit 2106 acquires from the storage unit 220 the expected revenue amount (e.g., 500 yen) that the business will earn by using the storage battery's power during the time period when power supply and demand adjustment is performed. The amount comparison unit 2106 acquires from the storage unit 220 the electricity rate (e.g., 33 yen / kWh) of the electricity contract of the resource provider of storage battery 4-2, and calculates the electricity fee (660 yen) for charging the storage battery with the electricity under the electricity contract for the above-mentioned demand amount (20 kWh). The amount comparison unit 2106 calculates the expected savings amount (600 yen) if storage battery 4-2 participates in power supply and demand adjustment from the electricity fee (660 yen) and the sales amount (60 yen). The amount comparison unit 2106 calculates the expected profit amount (100 yen) from the expected revenue amount (500 yen) and the expected savings amount (600 yen).
[0125] The notification information creation unit 2107 creates notification information for the resource provider who owns storage batteries 4-2 to 4-5, including the planned time period for power supply and demand adjustment (12:00 to 15:00 on Monday, June 10th), the demand amount (20 kWh for storage battery 4-2, 15 kWh for storage battery 4-3, 15 kWh for storage battery 4-4, and 70 kWh for storage battery 4-5), the unit price (3 yen / kWh), the sales price (60 yen for storage battery 4-2, 45 yen for storage battery 4-3, 45 yen for storage battery 4-4, and 210 yen for storage battery 4-5), and the expected profit amount (100 yen), as well as a request to participate in the power supply and demand adjustment, and transmits this notification information to the communication terminal 400 of the resource provider via the output unit 240.
[0126] The power supply and demand adjustment information presentation unit 4101 presents the power supply and demand adjustment information received by the input unit 430 to the resource provider. The resource provider checks the content of the power supply and demand information, and transmits their intention to participate in the power supply and demand adjustment (for example, storage battery 4-2: participate, storage battery 4-3: participate, storage battery 4-4: participate, storage battery 4-5: participate) by the output unit 440 to the power supply and demand resource adjustment device 200 of the aggregator.
[0127] When the mobile storage batteries (storage battery 4-2 and storage battery 4-5) participate in the power supply and demand adjustment, the connection point information processing unit 2108 acquires connection point information to which the storage batteries 4-2 and 4-5 can be connected from the memory unit 220. Of the connection points, information on connection points (e.g., connection point C and connection point D) that can be used during the time period for power supply and demand adjustment is acquired. The information on connection point C and connection point D is transmitted by the output unit 240 to the communication terminal 400 of the resource provider of the storage battery 4-2 and storage battery 4-5, respectively.
[0128] The power supply and demand adjustment scheduling unit 2109 creates a power supply and demand adjustment schedule for the storage battery as shown in Table 17, based on the received participation intention of the resource provider. [Table 17]
[0129] The power supply and demand adjustment amount determination unit 2110 determines whether the total supply amount (120 kWh) from the resource providers in Table 17 is sufficient for the power supply shortage (120 kWh). Since the determination shows that the total supply amount is sufficient for the supply shortage, the power supply and demand adjustment amount determination unit 2110 ends the power supply and demand adjustment process.
[0130] As described above, the aggregation system 1 of each embodiment identifies storage batteries located within the distribution area of the distribution transformer and within a predetermined distance from the distribution area, and prioritizes these storage batteries, thereby making it possible to request participation from resource providers with a high probability of participating in power supply and demand adjustment. Furthermore, the priority can be determined by arbitrarily changing the priority evaluation items and reevaluating the priorities, making it easier to find resource providers with a high probability of participating in power supply and demand adjustment. Because the benefits (power charges or expected revenue) obtained by participating in power supply and demand adjustment are clear, resource providers can easily consider participating in power supply and demand adjustment. By participating in power supply and demand adjustment at a connection point within the distribution area, mobile storage batteries shorten the transmission distance, enabling more efficient power supply and demand adjustment.
[0131] Although the present invention has been described in the above embodiments, these embodiments are presented as examples and are not intended to limit the scope of the invention. These embodiments can be embodied in various other forms, and various omissions, substitutions, and modifications can be made without departing from the spirit of the invention. These embodiments and their modifications are included within the scope and spirit of the invention, and are also included in the inventions and their equivalents as set forth in the claims. [Explanation of symbols]
[0132] 1. Aggregation System 100 Electricity supply and demand balance forecasting device 110 control section 120 Storage section 130 Input section 140 Output section 1101 Electricity Supply and Demand Information Acquisition Department 200 Electricity supply and demand resource adjustment device 210 Control Unit 220 Storage section 230 Input section 240 Output section 2101 Distribution Area Battery Identification Department 2102 Storage battery information acquisition unit 2103 Battery Priority Determination Unit 2104 Battery matching processing unit 2105 Amount Calculation Department 2106 Price Comparison Section 2107 Notification Information Creation Department 2108 Connection point information processing unit 2109 Electric Power Supply and Demand Adjustment Scheduling Department 2110 Power Supply and Demand Adjustment Amount Judgment Department 300 Storage battery management device 310 Control Unit 320 Storage section 330 Input section 340 Output Section 3101 Battery status acquisition unit 400 Communication terminal 410 Control Unit 420 Storage section 430 Input section 440 Output Section 4101 Electric power supply and demand adjustment information display unit
Claims
1. a power distribution area battery identification unit that identifies a battery that adjusts power supply and demand within a power distribution area using a distribution transformer; a battery priority determination unit that determines a priority for requesting the storage battery to participate in power supply and demand adjustment; a battery matching processing unit that performs matching to determine the battery that will be requested to participate in the power supply and demand adjustment based on the priority; An aggregation system comprising:
2. The storage battery is a storage battery provided in a moving body, a connection point information processing unit that acquires connection point information at which the storage battery can be connected to the power grid in the power distribution area; The aggregation system according to claim 1 .
3. a notification information creation unit that creates notification information to be notified to a resource provider of the storage battery that has been matched; a power supply and demand adjustment scheduling unit that performs scheduling for the storage battery whose participation in power supply and demand adjustment has been confirmed and creates schedule information; an electric power supply and demand adjustment amount determination unit that determines whether or not the total amount of adjusted adjustment capacity is sufficient for the adjustment amount required for electric power supply and demand adjustment based on the schedule information; The aggregation system according to claim 1 or 2, comprising:
4. The aggregation system according to claim 3 , further comprising a price calculation unit that calculates an electricity fee for participating in the electricity supply and demand adjustment.
5. 5. The aggregation system according to claim 4, further comprising: an amount comparison unit that compares the electricity charges resulting from participation in the electricity supply and demand adjustment with the expected profit amount that the resource provider can obtain by using the storage battery, and calculates the expected profit amount.
6. Computer, a power distribution area battery identification means for identifying a battery that adjusts power supply and demand within a power distribution area by a distribution transformer; a battery priority determination means for determining a priority for requesting the storage battery to participate in power supply and demand adjustment; a battery matching means for performing matching to determine the battery to be requested to participate in the power supply and demand adjustment based on the priority; Aggregation program that functions as.
7. A step of identifying a storage battery that adjusts power supply and demand within a power distribution area by a distribution transformer; determining a priority for requesting the storage battery to participate in power supply and demand adjustment; performing matching to determine the storage battery to be requested to participate in power supply and demand adjustment based on the priority; The aggregation method includes:
Citation Information
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