Plan creation apparatus, plan creation method, and plan creation program

Abstract

A plan creation apparatus (100) creates a plan to introduce energy supply equipment into a facility. The plan creation apparatus (100) is provided with a plan creation unit (120) that creates, as the introduction plan, a plan that satisfies a constraint condition on an amount of carbon dioxide emissions from the facility. The constraint condition is a condition that an amount of carbon dioxide emitted by the production of energy supplied from the energy supply equipment to the outside is regarded as an amount of carbon dioxide absorbed by the facility, and the amount carbon dioxide emissions from the facility is lower than a target emission amount.

Description

Planning device, planning method, and planning program

[0001] The present disclosure relates to a technique for creating a plan for introducing energy supply equipment into a facility.

[0002] Patent Document 1 describes CO ２ The company discloses technology to calculate the optimal energy flow rate and facility capacity while taking into consideration CO emissions and costs. ２ is an abbreviation for carbon dioxide. This technology reduces CO2 emissions in the introduction and operation of complex energy systems that include a wide variety of facilities. ２ This technology stores information on energy demand and characteristics of energy supply facilities, and calculates the CO2 emissions and costs of the energy system. ２ It solves an optimization problem with emissions or costs as the objective function, and displays the calculated energy flow rate and facility capacity.

[0003] However, the technology of Patent Document 1 reduces CO emissions when supplying excess energy from the facility to the outside. ２ The technology in Patent Document 1 cannot evaluate the effect of reducing CO emissions from the energy system. ２ It does not take into account the constraint of keeping emissions below a certain value. ２ Even if we want to reduce emissions below the target value, ２ It may be impossible to calculate the energy flow rate and facility design that will satisfy the target emission value. ２ The LCCO of the facility is calculated by taking into account the effect of reducing emissions. ２ However, there is a problem in that it is not possible to calculate the energy flow rate and equipment design that will keep the Life Cycle CO below the target value. ２ (LCCO ２ ) is the amount of CO emitted from the construction of a building to its disposal. ２ means.

[0004] Japanese Patent Application Laid-Open No. 2021-65041

[0005] The present disclosure provides a method for reducing CO２ The purpose is to enable the creation of plans that take into account the effects of reducing emissions.

[0006] A plan creation device according to the present disclosure creates an introduction plan for energy supply equipment to a facility. The plan creation device includes a plan creation unit that creates the introduction plan, which satisfies a constraint on carbon dioxide emissions from the facility. The constraint is a condition that, when the amount of carbon dioxide emitted in the production of energy supplied to the outside from the energy supply equipment is regarded as the carbon dioxide absorption amount of the facility, the carbon dioxide emissions of the facility are lower than a target emission amount.

[0007] According to the present disclosure, CO ２ Plans can be created taking into account the effects of reducing emissions.

[0008] 1 is a configuration diagram of a plan creation device 100 according to a first embodiment. A functional configuration diagram of a plan creation unit 120 according to the first embodiment. A configuration diagram of a facility 200 according to the first embodiment. A flowchart of a plan creation method according to the first embodiment. A configuration diagram of a plan creation device 100 according to a second embodiment. A diagram showing the relationship between an information creation unit 140 and an equipment estimation unit 150 according to the second embodiment. A flowchart of a plan creation method according to the second embodiment. A diagram illustrating features of the plan creation method according to the second embodiment. A configuration diagram of a plan creation device 100 according to a third embodiment. A diagram showing the relationship between an equipment estimation unit 150 and a plan creation unit 120 according to the third embodiment. A flowchart of a plan creation method according to the third embodiment. A diagram illustrating features of the plan creation method according to the third embodiment. A configuration diagram of a plan creation device 100 according to a fourth embodiment. A diagram showing the relationship between a model creation unit 160, an information creation unit 140, and an equipment estimation unit 150 according to the fourth embodiment. A flowchart of a plan creation method according to the fourth embodiment. An explanatory diagram of features of the plan creation method according to the fourth embodiment. A diagram showing input / output of a plan creation unit 120 according to a fifth embodiment. A flowchart of a plan creation method according to the fifth embodiment. An explanatory diagram of features of the plan creation method in embodiment 5. A configuration diagram of a plan creation device 100 in embodiment 6. A diagram showing the relationship between an information creation unit 140, an equipment estimation unit 150, and a plan creation unit 120 in embodiment 6. A diagram showing input / output of the plan creation unit 120 in embodiment 6. A diagram showing the relationship between an equipment plan selection unit 170 and an operation plan creation unit 124 in embodiment 6. A flowchart of a plan creation method in embodiment 6. An explanatory diagram of features of the plan creation method in embodiment 6. A hardware configuration diagram of a plan creation device 100 in an embodiment.

[0009] In the embodiments and drawings, the same or corresponding elements are denoted by the same reference numerals. The description of elements denoted by the same reference numerals as those already described will be omitted or simplified as appropriate. Arrows in the drawings primarily indicate the flow of data or the flow of processing.

[0010] First Embodiment A plan creation device 100 will be described with reference to FIGS.

[0011] ***Description of Configuration*** The configuration of the plan creation device 100 will be described with reference to Fig. 1. The plan creation device 100 is a computer equipped with hardware such as a processor 101, a memory 102, an auxiliary storage device 103, a communication device 104, and an input / output interface 105. These pieces of hardware are connected to one another via signal lines.

[0012] The processor 101 is an IC that performs arithmetic processing and controls other hardware. For example, the processor 101 is a CPU, a DSP, or a GPU. IC is an abbreviation for Integrated Circuit. CPU is an abbreviation for Central Processing Unit. DSP is an abbreviation for Digital Signal Processor. GPU is an abbreviation for Graphics Processing Unit.

[0013] The memory 102 is a volatile or non-volatile storage device. The memory 102 is also called a primary storage device or a main memory. For example, the memory 102 is a RAM. Data stored in the memory 102 is saved in the secondary storage device 103 as needed. RAM is an abbreviation for Random Access Memory.

[0014] The auxiliary storage device 103 is a non-volatile storage device. For example, the auxiliary storage device 103 is a ROM, a HDD, a flash memory, or a combination of these. Data stored in the auxiliary storage device 103 is loaded into the memory 102 as needed. ROM is an abbreviation for Read Only Memory. HDD is an abbreviation for Hard Disk Drive.

[0015] The communication device 104 is a receiver and a transmitter. For example, the communication device 104 is a communication chip or a NIC. The communication of the planning device 100 is performed using the communication device 104. NIC is an abbreviation for Network Interface Card.

[0016] The input / output interface 105 is a port to which an input device and an output device are connected. For example, the input / output interface 105 is a USB terminal, the input devices are a keyboard and a mouse, and the output device is a display. Input and output of the planning device 100 are performed via the input / output interface 105. USB is an abbreviation for Universal Serial Bus.

[0017] The plan creation device 100 includes elements such as an information acquisition unit 110, a plan creation unit 120, and a plan presentation unit 130. These elements are realized by software.

[0018] The auxiliary storage device 103 stores a plan creation program for causing the computer to function as the information acquisition unit 110, the plan creation unit 120, and the plan presentation unit 130. The plan creation program is loaded into the memory 102 and executed by the processor 101. The auxiliary storage device 103 also stores an OS. At least a portion of the OS is loaded into the memory 102 and executed by the processor 101. The processor 101 executes the plan creation program while running the OS. OS is an abbreviation for Operating System.

[0019] Data (input data, output data, etc.) of the plan creation program is stored in the storage unit 190. The memory 102 functions as the storage unit 190. However, a storage unit such as the auxiliary storage unit 103, a register in the processor 101, or a cache memory in the processor 101 may function as the storage unit 190 instead of or together with the memory 102.

[0020] The planning program can be recorded (stored) in a computer-readable manner on a non-volatile recording medium such as an optical disk or a flash memory.

[0021] The functional configuration of the plan creation unit 120 will be described with reference to Fig. 2. The plan creation unit 120 includes elements such as a constraint condition creation unit 121, an objective function creation unit 122, a facility plan creation unit 123, an operation plan creation unit 124, and a numerical value calculation unit 125.

[0022] 3 shows an example of the configuration of the facility 200. The plan creation device 100 creates an introduction plan for the energy supply equipment 210 into the facility 200. The introduction plan is a plan for introducing the energy supply equipment 210 into the facility 200. The introduction plan is made up of an equipment plan 231 and an operation plan 232. The equipment plan 231 is information about the energy supply equipment 210 to be introduced into the facility 200. The operation plan 232 is information indicating the operation of the facility 200 after the energy supply equipment 210 is introduced.

[0023] One or more types of energy supply equipment 210 are installed in the facility 200. The energy supply equipment 210 is equipment for producing energy and supplying it to the outside. Examples of the energy supply equipment 210 include a solar power generation system, a wind power generation system, a water electrolysis system, a storage battery, and a heat source. Examples of energy include electricity, heat, and hydrogen.

[0024] ***Description of Operation*** The operational procedure of the plan creation device 100 corresponds to a plan creation method. Also, the operational procedure of the plan creation device 100 corresponds to a processing procedure by a plan creation program.

[0025] The plan creation method will be described with reference to Fig. 4. In step S110, the information acquisition unit 110 acquires various pieces of information.

[0026] For example, a user inputs various pieces of information into the plan creation device 100, and the information acquisition unit 110 receives the input various pieces of information.

[0027] In step S110, the following information is acquired: The life cycle of the facility 200 is referred to as the facility life cycle. The embodied carbon 221 is information (embodied carbon information) indicating the embodied carbon of the facility 200. The embodied carbon is CO emitted in the construction, renewal, and disposal of a building. ２ The amount is "CO ２" represents carbon dioxide. Energy demand 222 is information indicating the energy demand for each period of the facility life cycle (life cycle demand information). Specifically, energy demand 222 indicates the energy demand generated during operation of facility 200 in one-hour increments, covering the entire life cycle of facility 200. Electricity unit price 223 is information indicating the electricity unit price for each period of the facility life cycle (life cycle unit price information). Electricity unit price means the unit price of electricity. Unit consumption 224 is information indicating the unit consumption for each period of the facility life cycle (life cycle unit consumption information). This unit consumption is the ratio of CO2 emitted for generating a unit amount of electricity. ２ Quantity (Electricity - CO ２ Specifically, the basic unit 224 is the amount of CO emitted for generating 1 kWh of grid power over the entire life cycle of the facility 200. ２ The weather information 225 is information indicating the weather for each period of the facility life cycle (life cycle weather information). Specifically, the weather information 225 indicates weather information used to estimate the amount of power generated by renewable energy over the entire life cycle of the facility 200. Examples of weather information include the amount of solar radiation and wind speed. The equipment specifications 226 are information indicating the specifications of the energy supply equipment 210.

[0028] In step S120, the constraint creating unit 121 creates constraints based on various information.

[0029] The constraint is the CO ２ Specifically, the constraint is the CO ２ CO of facility 200 when absorption amount is taken into account ２ The condition is that the CO emissions of the facility 200 are below the target emissions. ２ The absorption amount is the amount of CO emitted in the production of energy (supply energy) supplied to the outside from the energy supply facility 210. ２ The amount of CO ２ The absorption amount is the amount of CO emitted when generating the amount of electricity equivalent to the amount of energy supplied. ２ Equivalent to the quantity.

[0030] The constraints are created as follows: The constraint creation unit 121 creates the constraints using at least one of embodied carbon 221, energy demand 222, unit consumption 224, weather information 225, and equipment specifications 226. For example, the constraints are expressed as mathematical expressions, and the constraint creation unit 121 creates the constraints by setting numerical values ​​for each variable in the mathematical expressions.

[0031] For example, the following conditions [1] to [3] are constraints. [1] Matching energy supply and demand at each time. [2] Physical limitations such as upper limits on input and output of energy supply facilities. [3] (A1) + (A2) - (A3) < (A4) A1: embodied carbon A2: CO2 of purchased electricity ２ Emissions A3: CO2 from energy supply ２ Absorption amount A4: Target LCCO ２

[0032] "CO ２ The "absorption amount" is expressed as follows: (a1) = (a2) * (a3), where a1: CO ２ Absorption amount a2: Power - CO ２ Basic unit a3: Amount of electricity that is the source of the supplied energy

[0033] The explanation of step S120 will be continued. The objective function generator 122 generates an objective function based on various information.

[0034] The objective function is a function for minimizing the cost when the energy supply facility 210 is introduced. For example, the "cost" is the sum of the facility introduction cost, the facility renewal cost, and the electricity fee.

[0035] The objective function is created as follows: The objective function creation unit 122 creates the objective function using at least one of the power unit price 223 and the equipment specifications 226. For example, the objective function is expressed as a mathematical formula, and the objective function creation unit 122 creates the objective function by setting a numerical value for each variable in the mathematical formula.

[0036] For example, the objective function can be expressed as follows: (electricity charges from electricity trading with the grid) + (investment amount for introducing and updating energy supply facilities)

[0037] In step S120, various numerical values ​​are calculated based on various information to create the constraints and the objective function. ２ Emissions, equipment introduction costs, equipment renewal costs, CO ２ Calculate the amount of absorption, etc.

[0038] In step S130, the installation plan creation unit 123 creates an installation plan 231 that satisfies the constraint conditions and minimizes the objective function.

[0039] Minimizing an objective function means that the value of the objective function (objective function value) is minimized.

[0040] The facility plan 231 includes at least any of the following information: Facility capacity information indicates the capacity of the energy supply facility 210 to be introduced; Introduction cost information indicates the cost (introduction cost) required to introduce the energy supply facility 210; The introduction cost of the energy supply facility 210 is determined based on the capacity of the energy supply facility 210; Life cycle CO ２ The information is the amount of CO emitted from the energy supply equipment 210 during the facility life cycle. ２ In other words, the life cycle CO ２ The information is the LCCO of the energy supply facility 210 to be introduced. ２ Shows.

[0041] The explanation of step S 130 will be continued. Furthermore, the operation plan creation unit 124 creates an operation plan 232 based on the facility plan 231, which satisfies the constraint conditions and minimizes the objective function.

[0042] The operation plan 232 includes at least any of the following information: Energy supply plan information indicates an energy supply plan for the facility 200. Specifically, the energy supply plan information indicates the amount of power purchased from the grid at each time, the amount of power sold to the grid at each time, the amount of power generated by the energy supply facility 210, and the amount of power charged and discharged by the energy supply facility 210. Electricity rate information indicates the purchase price of power to the facility 200 and the sales price of power from the facility 200. In other words, the electricity rate information indicates the electricity charges incurred in buying and selling power with the grid. Facility CO ２The information is the CO ２ Emissions and CO2 emissions of facility 200 during operation ２ This indicates the amount of CO2 absorbed by the facility. ２ The information is about the amount of CO emitted / absorbed during power trading with the grid and energy sales. ２ Indicates the quantity.

[0043] The facility plan 231 and the operation plan 232 are calculated by solving an optimization problem (particularly, a linear programming problem).

[0044] In step S140, the plan presenting unit 130 presents an introduction plan.

[0045] For example, the plan presentation unit 130 displays on a display the facility plan 231 and the operation plan 232. As a result, the facility plan 231 and the operation plan 232 are presented to the user.

[0046] ***Features of the First Embodiment*** The first embodiment is a system that sells electricity to the grid and supplies energy (heat, hydrogen, etc.) to the outside in a CO2-efficient manner. ２ Considered as absorption, LCCO of buildings and facilities ２ Create an equipment plan that offsets these costs and ensures economic efficiency.

[0047] ***Effects of First Embodiment*** The first embodiment reduces CO2 emissions by supplying energy to the outside. ２ Taking into account the reduction effect, the LCCO of the entire facility ２ This makes it possible to calculate the energy flow rate and equipment design that will keep the target value or less.

[0048] The technology of Patent Document 1 involves the use of external energy supply to generate CO ２ In contrast, in the first embodiment, the supply of energy to the outside, such as selling electricity, is not considered as a CO ２ By considering it as absorption, CO ２ Equipment plans can be created taking into account the effects of reducing emissions.

[0049] The technology of Patent Document 1 is to reduce CO2 emissions in the entire facility where the energy system is installed. ２ In contrast, in the first embodiment, the LCCO of the entire building and equipment is２ By adding a constraint that LCCO is equal to or less than the target value, ２ It is possible to create an equipment plan that can achieve the target values.

[0050] Second Embodiment A second embodiment of creating various information on a facility life cycle using various information on a single period will be described below, focusing on differences from the first embodiment, with reference to Figs.

[0051] ***Description of Configuration*** The configuration of the plan creation device 100 will be described with reference to Fig. 5. The plan creation device 100 further includes an information creation unit 140. The plan creation program further causes a computer to function as the information creation unit 140.

[0052] 6 shows the relationship between the information creating unit 140 and the plan creating unit 120. The input and output of the information creating unit 140 will be described later.

[0053] ***Description of Operation*** The plan creation method will be described with reference to Fig. 7. In step S210, the information acquisition unit 110 acquires various pieces of information. Step S210 corresponds to step S110 in the first embodiment.

[0054] In step S210, the following information is acquired in addition to the embodied carbon 221 and the equipment specifications 226. The short period is any one period. An example of a short period is any one year. Energy demand 242 is information indicating energy demand for a short period (single period demand information). Electricity unit price 243 is information indicating the electricity unit price for a short period (single period unit price information). Energy consumption unit 244 is information indicating the energy consumption unit for a short period (single period energy consumption unit information). Weather information 245 is information indicating the weather for a short period (single period weather information). Parameters 249 are information indicating various parameters used to estimate various information for each period of the facility lifecycle based on various information for the short period. Examples of parameters include coefficients and random numbers. The coefficients vary depending on the length of elapsed time. For example, the coefficients increase proportionally with time or in a stepwise manner.

[0055] However, energy demand 222 may be acquired instead of energy demand 242. Furthermore, power unit price 223 may be acquired instead of power unit price 243. Furthermore, power unit price 224 may be acquired instead of power unit price 244. Furthermore, weather information 225 may be acquired instead of weather information 245.

[0056] In step S220, the information creating unit 140 creates various pieces of information about the facility life cycle using various pieces of information about a single period.

[0057] In step S220, at least one of energy demand 222, electricity unit price 223, unit consumption 224, and weather information 225 is created. The information creation unit 140 estimates the energy demand for each period of the facility life cycle using the energy demand 242, and creates the energy demand 222. The information creation unit 140 estimates the electricity unit price for each period of the facility life cycle using the electricity unit price 243, and creates the electricity unit price 223. The information creation unit 140 estimates the unit consumption for each period of the facility life cycle using the electricity unit price 244, and creates the electricity unit price 224. The information creation unit 140 estimates the weather for each period of the facility life cycle using the weather information 245, and creates the weather information 225.

[0058] The estimation is performed using the parameters 249. For example, the value for each period is calculated by multiplying the value for a single period by a coefficient and adding a random number.

[0059] Steps S230 to S250 are the same as steps S120 to S140 in the first embodiment.

[0060] ***Features of Embodiment 2*** The features of Embodiment 2 will be described with reference to Figure 8. The life cycle of a facility is long (for example, 50 years), and it is difficult to obtain life cycle data (for example, electricity unit price). Therefore, in Embodiment 2, life cycle data is estimated from data for a short period (for example, one year) by parameter-dependent calculations (multiplication of coefficients, addition of random numbers, etc.) using parameters such as time-proportional coefficients, step-increasing coefficients, and random numbers.

[0061] ***Effects of Embodiment 2*** According to embodiment 2, long-term data spanning the life cycle is generated from short-term data that is relatively easy to obtain. This reduces the effort required to obtain data. According to embodiment 2, life cycle data can be estimated, including future changes in the data.

[0062] Third Embodiment A third embodiment that takes into consideration aging deterioration of equipment and equipment renewal will be described below, focusing on the differences from the first embodiment, with reference to Figs.

[0063] ***Description of Configuration*** The configuration of the plan creation device 100 will be described with reference to Fig. 9. The plan creation device 100 further includes an equipment estimation unit 150. The plan creation program further causes a computer to function as the equipment estimation unit 150.

[0064] 10 shows the relationship between the facility estimation unit 150 and the plan creation unit 120. The input and output of the facility estimation unit 150 will be described later.

[0065] ***Description of Operation*** The plan creation method will be described with reference to Fig. 11. In step S310, the information acquisition unit 110 acquires various pieces of information. Step S310 corresponds to step S110 in the first embodiment.

[0066] In step S310, the following information is acquired in addition to the embodied carbon 221, the energy demand 222, the electricity unit price 223, the basic unit 224, and the weather information 225. The equipment specifications 251 are information indicating the specifications of the energy supply equipment 210. The equipment specifications 251 do not take into account the deterioration over time of the energy supply equipment 210 and the renewal of the energy supply equipment 210.

[0067] The parameters 259 are information indicating various parameters used to estimate the performance of the energy supply facility 210. The parameters 259 indicate various parameters used to estimate performance deterioration of the energy supply facility 210 due to aging deterioration of the energy supply facility 210. The parameters 259 also indicate various parameters used to estimate performance improvement of the energy supply facility 210 due to updating of the energy supply facility 210. However, the parameters 259 may indicate either one of various parameters used to estimate performance deterioration or various parameters used to estimate performance improvement. An example of a parameter is a coefficient. For example, the coefficient may be proportional to time, inversely proportional to time, or change in a stepwise manner.

[0068] In step S320 , the equipment estimation unit 150 estimates the performance of the energy supply equipment 210 using the equipment specifications 251 and the parameters 259 .

[0069] In step S320, at least one of a performance degradation of the energy supply facility 210 due to aging degradation of the energy supply facility 210 and a performance improvement of the energy supply facility 210 due to updating of the energy supply facility 210 is estimated. The facility estimation unit 150 estimates the performance degradation of the energy supply facility 210 due to aging degradation of the energy supply facility 210 using the facility specifications 251 and the parameters 259. The facility estimation unit 150 estimates the performance improvement of the energy supply facility 210 due to updating of the energy supply facility 210 using the facility specifications 251 and the parameters 259.

[0070] For example, the performance of the energy supply facility 210 in each period is estimated by multiplying the performance value of the energy supply facility 210 by a coefficient.

[0071] Then, the equipment estimation unit 150 updates the equipment specifications 251 to reflect the estimation result. The updated equipment specifications 251 become the equipment specifications 226. The equipment specifications 226 are information indicating the specifications of the energy supply equipment 210. The equipment specifications 226 take into consideration aging deterioration of the energy supply equipment 210 and updates to the energy supply equipment 210.

[0072] Steps S330 to S350 are the same as steps S120 to S140 in the first embodiment.

[0073] ***Features of Embodiment 3*** The features of Embodiment 3 will be described with reference to Figure 12. In Embodiment 3, an equipment plan is created taking into consideration performance improvements due to deterioration over time and renewal of equipment over its life cycle. Performance changes due to deterioration and renewal are realized through parameter-dependent calculations (such as multiplication of coefficients) using parameters such as coefficients that are proportional or inversely proportional to time and coefficients that change stepwise.

[0074] ***Effects of Embodiment 3*** According to the third embodiment, it is possible to take into account the deterioration of energy supply facilities over time. Therefore, it is possible to create an equipment plan that is in line with the actual situation. According to the third embodiment, it is possible to take into account changes in specifications due to updates to energy supply facilities. Therefore, it is possible to create an equipment plan that is in line with the actual situation.

[0075] *** Supplementary Note on Embodiment 3 *** Embodiment 3 may be implemented in combination with Embodiment 2. That is, the plan creation device 100 may include the information creation unit 140, and various pieces of information on the facility life cycle may be created using various pieces of information for a single period.

[0076] Fourth Embodiment With regard to a form in which the information creating unit 140 and the equipment estimating unit 150 use a trained model, differences from the first to third embodiments will be mainly described with reference to Figs. 13 to 16 .

[0077] ***Description of Configuration*** The configuration of plan creation device 100 will be described with reference to Fig. 13. In addition to the elements in embodiment 1, plan creation device 100 includes an information creation unit 140, a facility estimation unit 150, and a model creation unit 160. The plan creation program causes a computer to function as information creation unit 140, facility estimation unit 150, and model creation unit 160 in addition to the elements in embodiment 1.

[0078] 14 shows the relationship between the model creation unit 160 and the information creation unit 140. Also, FIG. 14 shows the relationship between the model creation unit 160 and the equipment estimation unit 150.

[0079] ***Explanation of Operation*** The operation of the model creation unit 160 will be described with reference to FIG. 14. The past data 261 includes past data on at least one of "energy demand," "electricity unit price," "unit consumption," "weather information," and "equipment specifications." The model creation unit 160 creates a learned model by learning the past data 261. The created trained model is an estimation model 262. An estimation model is also called a prediction model. The estimation model 262 created by learning past data on "energy demand" is called a demand estimation model. The estimation model 262 created by learning past data on "electricity unit price" is called a unit price estimation model. The estimation model 262 created by learning past data on "unit consumption" is called a unit consumption estimation model. The estimation model 262 created by learning past data on "weather information" is called a weather estimation model. The estimation model 262 created by learning past data on "equipment specifications" is called an equipment estimation model.

[0080] The plan creation method will be described with reference to Fig. 15. Steps S411 and S421 are the same as steps S210 and S220 in the second embodiment.

[0081] However, in step S421, the information creation unit 140 performs estimation using the estimation model 262 as follows. The information creation unit 140 takes the energy demand 242 as input and estimates the energy demand for each period of the facility life cycle using the demand estimation model. The information creation unit 140 takes the electricity unit price 243 as input and estimates the electricity unit price for each period of the facility life cycle using the unit price estimation model. The information creation unit 140 takes the energy consumption unit 244 as input and estimates the energy consumption unit for each period of the facility life cycle using the unit consumption estimation model. The information creation unit 140 takes the weather information 245 as input and estimates the weather for each period of the facility life cycle using the weather estimation model.

[0082] Steps S412 and S422 are the same as steps S310 and S320 in the third embodiment.

[0083] However, in step S422, the equipment estimation unit 150 performs estimation using the estimation model 262 as follows: The equipment estimation unit 150 receives the equipment specifications 251 as input and estimates at least one of a performance decrease of the energy supply equipment 210 and a performance increase of the energy supply equipment 210 using the equipment estimation model.

[0084] Steps S430 to S450 are the same as steps S120 to S140 in the first embodiment.

[0085] ***Features of the Fourth Embodiment*** The features of the fourth embodiment will be described with reference to Fig. 16. The fourth embodiment uses an estimation model that has learned from past data to improve the accuracy of input data creation, estimation of equipment deterioration, and estimation of equipment replacement. Learning involves identification of estimation parameters and statistical processing such as machine learning.

[0086] ***Effects of Embodiment 4*** According to Embodiment 4, it is possible to use past data to improve the accuracy of input data generation, estimation of equipment deterioration, and estimation of equipment replacement, thereby improving the quality of the equipment plans that are created.

[0087] Fifth Embodiment A fifth embodiment that takes into consideration equipment renewal will be described below, focusing on differences from the first embodiment, with reference to Figs.

[0088] ***Description of Configuration*** The configuration of the plan creation device 100 is the same as that in embodiment 1. FIG.

[0089] ***Description of Operation*** The plan creation method will be described with reference to Fig. 18. In step S510, the information acquisition unit 110 acquires various pieces of information. Step S510 is the same as step S110 in the first embodiment.

[0090] In step S520, the constraint condition creating unit 121 creates constraint conditions and an objective function based on various information. Step S520 is the same as step S120 in the first embodiment.

[0091] In step S530, the installation plan creation unit 123 creates an installation plan 231 that satisfies the constraint conditions and minimizes the objective function.

[0092] The facility plan 231 includes at least facility capacity information of the energy supply facility 210 at the time of installation and facility capacity information of the energy supply facility 210 after updating.

[0093] The energy supply equipment 210 is updated when the useful life indicated in the equipment specifications 226 has elapsed.

[0094] The explanation of step S530 will be continued. Furthermore, the operation plan creation unit 124 creates an operation plan 232 based on the facility plan 231, which satisfies the constraint conditions and minimizes the objective function.

[0095] Step S530 corresponds to step S130 in the first embodiment.

[0096] In step S540, the plan presenting unit 130 presents the introduction plan. Step S540 is the same as step S140 in the first embodiment.

[0097] ***Features of Embodiment 5*** The features of Embodiment 5 will be described with reference to FIG. 19. In FIG. 19, the white areas indicate the output of photovoltaic power generation, the lightly shaded areas indicate the output of the storage battery, and the darkly shaded areas indicate the capacity of the storage battery. The equipment is updated twice. The output of photovoltaic power generation, the output of the storage battery, and the capacity of the storage battery change at the time of installation, the first update, and the second update. In Embodiment 5, a capacity correction associated with equipment updates is added when creating an equipment plan for the life cycle.

[0098] ***Effects of the Fifth Embodiment*** According to the fifth embodiment, the capacity of the energy supply equipment can be corrected in accordance with the renewal of the equipment. ２ It is possible to create equipment plans that are more effective in reducing emissions.

[0099] *** Supplementary Note on Fifth Embodiment *** The fifth embodiment may be implemented in combination with at least one of the second to fourth embodiments. That is, the plan creation device 100 may include elements such as an information creation unit 140, a facility estimation unit 150, and a model creation unit 160.

[0100] Sixth Embodiment A sixth embodiment of creating a deployment plan for each scenario will be described with reference to Figs. 20 to 25, focusing mainly on the differences from the first to third embodiments.

[0101] ***Description of Configuration*** The configuration of plan creation device 100 will be described with reference to Fig. 20. Plan creation device 100 includes, in addition to the elements in embodiment 1, an information creation unit 140, an equipment estimation unit 150, and an equipment plan selection unit 170. The plan creation program causes a computer to function as information creation unit 140, equipment estimation unit 150, and equipment plan selection unit 170, in addition to the elements in embodiment 1.

[0102] Fig. 21 shows the relationship between the information creation unit 140, facility estimation unit 150, and plan creation unit 120. Fig. 22 shows the input and output of the plan creation unit 120. Fig. 23 shows the relationship between the facility plan selection unit 170 and the operation plan creation unit 124.

[0103] ***Explanation of Operation*** The plan creation method will be described with reference to Fig. 24. In step S610, the information acquisition unit 110 acquires various pieces of information.

[0104] In step S610, the energy demand 242, the electricity unit price 243, the basic unit 244, the weather information 245, and the equipment specifications 251 are acquired.

[0105] In step S610, a plurality of scenarios 270 are further acquired. The scenarios 270 represent parameter sets. The parameter sets include parameters 249 (see the second embodiment) and 259 (see the third embodiment).

[0106] In step S621, the information creation unit 140 creates various pieces of information about the facility life cycle for each scenario 270 using the parameters 249 included in the scenario 270. The creation method is the same as the method in step S220 in the second embodiment.

[0107] In step S622, the equipment estimation unit 150 creates the equipment specifications 226 for each scenario 270 using the parameters 259 included in the scenario 270. The creation method is the same as the method in step S320 in the third embodiment.

[0108] In step S630, the plan creation unit 120 creates, for each scenario 270, a facility plan 231 and an operation plan 232 by using various information on the facility lifecycle corresponding to the scenario 270 and the facility specifications 226 corresponding to the scenario 270. The creation method is the same as the method in steps S120 and S130 in the first embodiment.

[0109] In step S630, a plurality of constraints, a plurality of objective functions, a plurality of facility plans 231, and a plurality of operation plans 232 corresponding to a plurality of scenarios 270 are created.

[0110] In step S640, the plan presenting unit 130 presents a plurality of facility plans 231 and a plurality of operation plans 232 corresponding to a plurality of scenarios 270. Step S640 is a process corresponding to step S140 in the first embodiment.

[0111] In step S650, the installation plan selection unit 170 selects one of the installation plans 231. The selected installation plan 231 is referred to as an installation plan 233.

[0112] The equipment plan 233 is selected, for example, as follows: The user selects one of the equipment plans 231 from the plurality of equipment plans 231 and inputs the designation of the selected equipment plan 231 to the plan creation device 100. The equipment plan selection unit 170 accepts the input designation and selects the designated equipment plan 231. The selected equipment plan 231 becomes the equipment plan 233.

[0113] In step S660, the operation plan creation unit 124 creates an operation plan 234 based on the operation plan 233, for each scenario 270 other than the scenario 270 corresponding to the operation plan 233, using the constraints and objective function corresponding to the scenario 270. The operation plan 234 is a new operation plan 232 based on the operation plan 233. The creation method is the same as the method in step S130 in the first embodiment.

[0114] In step S660, one or more operation plans 234 corresponding to one or more scenarios 270 other than the scenario 270 corresponding to the equipment plan 233 are created.

[0115] In step S670, the plan presentation unit 130 presents the facility plan 233 and one or more operation plans 234 corresponding to one or more scenarios 270 other than the scenario 270 corresponding to the facility plan 233. Step S670 is a process corresponding to step S140 in the first embodiment.

[0116] ***Features of Sixth Embodiment*** The features of the sixth embodiment will be described with reference to Figure 25. Graph (1) is a graph showing the electricity unit price for each scenario. The solid line shows the electricity unit price for the first scenario, the dashed line shows the electricity unit price for the second scenario, and the dotted line shows the electricity unit price for the third scenario. The information in graph (1) is included in various information that serves as input data. Graph (2) is a graph showing the installed capacity for each scenario. The open area shows the output of photovoltaic power generation, the lightly shaded area shows the output of the storage battery, and the darkly shaded area shows the capacity of the storage battery. The information in graph (2) is shown in the installation plan. Graph (3) is a graph showing the effect of the installation plan for each scenario. The shaded area shows the effect on electricity charges, and the open area shows the effect on CO ２ The graph (3) shows the effect on emissions. The information in the graph (3) is shown in the operation plan. In the sixth embodiment, a capital plan and an operation plan are calculated for each of a plurality of scenarios (parameter sets) and presented to the user. Furthermore, in the sixth embodiment, an operation plan is created when the optimal capital plan for a specific scenario is used to operate another scenario. This allows the effect of the capital plan in the other scenario to be confirmed.

[0117] ***Effects of Embodiment 6*** According to Embodiment 6, it is possible to create multiple equipment plans taking into account uncertainties in the life cycle. Then, the multiple equipment plans and their effects can be compared, and a plan that meets the user's needs can be selected.

[0118] *** Supplementary Note on Sixth Embodiment *** The sixth embodiment may be implemented in combination with the fifth embodiment.

[0119] *** Supplementary Information on the Embodiment *** The hardware configuration of the plan creation device 100 will be described with reference to Fig. 26. The plan creation device 100 includes a processing circuit 109. The processing circuit 109 is hardware that realizes an information acquisition unit 110, a plan creation unit 120, a plan presentation unit 130, an information creation unit 140, an equipment estimation unit 150, a model creation unit 160, and an equipment plan selection unit 170. The processing circuit 109 may be dedicated hardware, or may be a processor 101 that executes a program stored in memory 102.

[0120] When the processing circuit 109 is dedicated hardware, the processing circuit 109 may be, for example, a single circuit, a multiple circuit, a programmed processor, a parallel programmed processor, an ASIC, an FPGA, or a combination thereof. ASIC is an abbreviation for Application Specific Integrated Circuit. FPGA is an abbreviation for Field Programmable Gate Array.

[0121] The plan creation device 100 may include a plurality of processing circuits that replace the processing circuit 109 .

[0122] In the processing circuit 109, some functions may be realized by dedicated hardware, and the remaining functions may be realized by software or firmware.

[0123] In this way, the functions of the plan creation device 100 can be realized by hardware, software, firmware, or a combination of these.

[0124] Each embodiment is an example of a preferred embodiment and is not intended to limit the technical scope of the present disclosure. Each embodiment may be implemented in part or in combination with other embodiments. Procedures described using flowcharts, etc. may be modified as appropriate.

[0125] The "part" of each element of the plan creation device 100 may be read as a "process," a "step," a "circuit," or a "circuitry."

[0126] Aspects of the present disclosure are described below as appendices. (Appendix 1) A plan creation device that creates a plan for introducing energy supply equipment into a facility, the plan creation device comprising: a plan creation unit that creates, as the introduction plan, a plan that satisfies a constraint condition regarding carbon dioxide emissions from the facility, wherein the constraint condition is a condition that, when an amount of carbon dioxide emitted in the production of energy supplied to the outside from the energy supply equipment is regarded as a carbon dioxide absorption amount of the facility, the carbon dioxide emissions of the facility are lower than a target emission amount.

[0127] (Supplementary Note 2) The plan creation device described in Supplementary Note 1, wherein the plan creation unit creates the constraint conditions using at least one of: embodied carbon information of the facility; life cycle demand information indicating the energy demand for each period of a facility life cycle, which is the life cycle of the facility; life cycle intensity information indicating the amount of carbon dioxide emitted for power generation of a unit amount of electricity for each period of the facility life cycle as an intensity; life cycle weather information indicating the weather for each period of the facility life cycle; and equipment specification information of the energy supply equipment.

[0128] (Supplementary Note 3) The plan creation device according to Supplementary Note 2, further comprising an information creation unit that creates at least one of the life cycle demand information, the life cycle unit energy consumption information, and the life cycle weather information, wherein the information creation unit creates the life cycle demand information by estimating energy demand for each period of the facility life cycle using short-term demand information indicating energy demand for a short period, creates the life cycle demand information by estimating the unit energy consumption for each period of the facility life cycle using short-term unit energy consumption information indicating the unit energy consumption for a short period, and creates the life cycle weather information by estimating weather for each period of the facility life cycle using short-term weather information indicating the weather for a short period.

[0129] (Supplementary Note 4) The plan creation device according to Supplementary Note 3, further comprising a model creation unit that creates a trained model of at least one of a demand estimation model, a unit consumption estimation model, and a weather estimation model, wherein the information creation unit receives the single-period demand information as an input and uses the demand estimation model to estimate energy demand for each period of the facility life cycle, receives the single-period unit consumption information as an input and uses the unit consumption estimation model to estimate the unit consumption for each period of the facility life cycle, and receives the single-period weather information as an input and uses the weather estimation model to estimate the weather for each period of the facility life cycle.

[0130] (Supplementary Note 5) The plan creation device according to any one of Supplementary Note 2 to Supplementary Note 4, wherein the plan creation device includes an equipment estimation unit that uses the equipment specification information to estimate at least one of a performance decline of the energy supply equipment due to deterioration over time of the energy supply equipment and a performance improvement of the energy supply equipment due to updating of the energy supply equipment, and updates the equipment specification information to reflect the estimation result, and the plan creation unit creates the constraint conditions using the updated equipment specification information.

[0131] (Supplementary Note 6) The plan creation device according to Supplementary Note 5, further comprising: a model creation unit that creates an equipment estimation model that is a trained model; and the equipment estimation unit receives the equipment specification information as an input and uses the equipment estimation model to estimate at least one of the performance degradation and the performance improvement.

[0132] (Supplementary Note 7) The plan creation device according to any one of Supplementary Note 1 to Supplementary Note 6, wherein the plan creation unit creates, as the introduction plan, a plan that satisfies the constraint conditions and minimizes an objective function.

[0133] (Supplementary Note 8) The plan creation device according to Supplementary Note 7, wherein the objective function is a function for minimizing costs when the energy supply equipment is introduced, and the plan creation unit creates the objective function using at least one of life cycle unit cost information indicating the unit cost of electricity for each period of a facility life cycle, which is the life cycle of the facility, and equipment specification information of the energy supply equipment.

[0134] (Supplementary Note 9) The plan creation device according to Supplementary Note 8, further comprising an information creation unit that creates the life cycle unit price information by estimating the unit price of electricity for each period of the facility life cycle using single-period unit price information indicating the unit price of electricity for a single period.

[0135] (Supplementary Note 10) The plan creation device according to Supplementary Note 9, further comprising: a model creation unit that creates a unit cost estimation model that is a trained model; and the information creation unit receives the single-period unit cost information as an input and uses the unit cost estimation model to estimate the electricity unit cost for each period of the facility life cycle.

[0136] (Supplementary Note 11) The plan creation device according to any one of Supplementary Note 1 to Supplementary Note 10, wherein the plan creation unit creates, as the installation plan, an equipment plan for the energy supply equipment and an operation plan for the facility after the energy supply equipment is installed.

[0137] (Supplementary Note 12) The plan creation device described in Supplementary Note 11, wherein the plan creation unit creates, as the equipment plan, information including at least one of: equipment capacity information of the energy supply equipment; installation cost information of the energy supply equipment; and life cycle carbon dioxide information indicating the amount of carbon dioxide emitted from the energy supply equipment over the life cycle of the facility.

[0138] (Supplementary Note 13) The plan creation device according to Supplementary Note 12, wherein the plan creation unit creates, as the equipment plan, information including the equipment capacity information at the time of installation of the energy supply equipment and the equipment capacity information after updating the energy supply equipment.

[0139] (Supplementary Note 14) The plan creation device described in any one of Supplementary Note 11 to Supplementary Note 13, wherein the plan creation unit creates, as the operation plan, information including at least any of: energy supply plan information for the facility; electricity rate information indicating the purchase price of electricity to the facility and the sale price of electricity from the facility; and facility carbon dioxide information indicating the amount of carbon dioxide emissions from the facility during operation and the amount of carbon dioxide absorption by the facility during operation.

[0140] (Supplementary Note 15) The plan creation device according to any one of Supplementary Note 11 to Supplementary Note 14, wherein the plan creation unit creates the operation plan based on the facility plan.

[0141] (Supplementary Note 16) The plan creation device described in Supplementary Note 15, wherein the plan creation unit creates constraint conditions and an objective function for each scenario included in a plurality of scenarios, creates the equipment plan for each scenario using the constraint conditions and the objective function, creates the operation plan based on the equipment plan using the constraint conditions and the objective function for each scenario, and creates a new operation plan based on the selected equipment plan using the constraint conditions and the objective function for each scenario other than the scenario corresponding to a selected equipment plan selected from the created equipment plans.

[0142] (Supplementary Note 17) A planning method for creating a plan for introducing energy supply equipment into a facility, wherein a planning unit creates, as the introduction plan, a plan that satisfies a constraint condition regarding carbon dioxide emissions of the facility, and the constraint condition is a condition that, when the amount of carbon dioxide emitted in the production of energy supplied to the outside from the energy supply equipment is regarded as the carbon dioxide absorption amount of the facility, the carbon dioxide emissions of the facility are lower than a target emission amount.

[0143] (Supplementary Note 18) A planning creation program for creating a plan for introducing energy supply equipment into a facility, the planning creation program being a program for causing a computer to execute a planning creation process for creating, as the introduction plan, a plan that satisfies a constraint condition regarding carbon dioxide emissions of the facility, the constraint condition being a condition that the amount of carbon dioxide emissions of the facility is lower than a target emission amount when the amount of carbon dioxide emitted in the production of energy supplied to the outside from the energy supply equipment is regarded as the carbon dioxide absorption amount of the facility.

[0144] 100 Plan creation device, 101 Processor, 102 Memory, 103 Auxiliary storage device, 104 Communication device, 105 Input / output interface, 109 Processing circuit, 110 Information acquisition unit, 120 Plan creation unit, 121 Constraint condition creation unit, 122 Objective function creation unit, 123 Facility plan creation unit, 124 Operational plan creation unit, 125 Numerical calculation unit, 130 Plan presentation unit, 140 Information creation unit, 150 Facility estimation unit, 160 Model creation unit, 170 Facility plan selection unit, 190 Memory unit, 200 Facility, 210 Energy supply facility, 221 Embodied carbon, 222 Energy demand, 223 Electricity unit price, 224 Basic unit, 225 Weather information, 226 Facility specifications, 231 Facility plan, 232 Operational plan, 233 Facility plan, 234 Operational plan, 242 Energy demand, 243 Electricity unit price, 244 Unit consumption, 245 Weather information, 249 Parameters, 251 Equipment specifications, 259 Parameters, 261 Past data, 262 Estimation model, 270 Scenarios.

Claims

1. A planning device that creates a plan for introducing energy supply equipment into a facility, the planning device comprising: a planning unit that creates, as the introduction plan, a plan that satisfies a constraint condition regarding carbon dioxide emissions from the facility, wherein the constraint condition is a condition that the amount of carbon dioxide emissions from the facility is lower than a target emission amount when the amount of carbon dioxide emitted in the production of energy supplied to the outside from the energy supply equipment is regarded as the carbon dioxide absorption amount of the facility.

2. The planning device described in claim 1, wherein the planning unit creates the constraints using at least one of the following information: embodied carbon information of the facility; life cycle demand information indicating the energy demand for each period of a facility life cycle, which is the life cycle of the facility; life cycle intensity information indicating the amount of carbon dioxide emitted for the power generation of a unit amount of electricity for each period of the facility life cycle as an intensity; life cycle weather information indicating the weather for each period of the facility life cycle; and equipment specification information of the energy supply equipment.

3. The plan creation device according to claim 2, further comprising an information creation unit that creates at least one of the life cycle demand information, the life cycle unit energy consumption information, and the life cycle weather information, wherein the information creation unit creates the life cycle demand information by estimating energy demand for each period of the facility life cycle using short-term demand information that indicates the energy demand for a short period, creates the life cycle demand information, estimates the unit energy consumption for each period of the facility life cycle using short-term unit energy consumption information that indicates the unit energy consumption for a short period, and creates the life cycle unit energy consumption information, and creates the life cycle weather information by estimating the weather for each period of the facility life cycle using short-term weather information that indicates the weather for a short period.

4. The planning device according to claim 3, further comprising a model creation unit that creates a trained model of at least one of a demand estimation model, a unit consumption estimation model, and a weather estimation model, wherein the information creation unit takes the single-period demand information as input and uses the demand estimation model to estimate the energy demand for each period of the facility life cycle, takes the single-period unit consumption information as input and uses the unit consumption estimation model to estimate the unit consumption for each period of the facility life cycle, and takes the single-period weather information as input and uses the weather estimation model to estimate the weather for each period of the facility life cycle.

5. The planning device according to any one of claims 2 to 4, wherein the planning device includes an equipment estimation unit that uses the equipment specification information to estimate at least one of a performance decline of the energy supply equipment due to deterioration over time of the energy supply equipment and a performance improvement of the energy supply equipment due to updating of the energy supply equipment, and updates the equipment specification information to reflect the estimation result, and the planning unit creates the constraint conditions using the updated equipment specification information.

6. The plan creation device according to claim 5, further comprising a model creation unit that creates an equipment estimation model that is a trained model, and the equipment estimation unit inputs the equipment specification information and uses the equipment estimation model to estimate at least one of the performance degradation and the performance improvement.

7. The plan creation device according to any one of claims 1 to 6, wherein the plan creation unit creates, as the introduction plan, a plan that satisfies the constraint conditions and minimizes an objective function.

8. The planning device according to claim 7, wherein the objective function is a function for minimizing costs when the energy supply equipment is introduced, and the planning unit creates the objective function using at least one of life cycle unit cost information indicating the unit cost of electricity for each period of a facility life cycle, which is the life cycle of the facility, and equipment specification information of the energy supply equipment.

9. The plan creation device according to claim 8, further comprising an information creation unit that creates the life cycle unit price information by estimating the unit price of electricity for each period of the facility life cycle using unit period unit price information indicating the unit price of electricity for a single period.

10. The planning device according to claim 9, further comprising a model creation unit that creates a unit cost estimation model that is a trained model, and the information creation unit inputs the unit cost information for a single period and uses the unit cost estimation model to estimate the electricity unit cost for each period of the facility life cycle.

11. A planning device as described in any one of claims 1 to 10, wherein the planning unit creates, as the installation plan, an equipment plan for the energy supply equipment and an operation plan for the facility after the energy supply equipment is installed.

12. The planning device described in claim 11, wherein the planning unit creates information including at least one of the following as the equipment plan: equipment capacity information for the energy supply equipment; installation cost information for the energy supply equipment; and life cycle carbon dioxide information indicating the amount of carbon dioxide emitted from the energy supply equipment over the life cycle of the facility.

13. The plan creation device according to claim 12, wherein the plan creation unit creates information including the equipment capacity information at the time of installation of the energy supply equipment and the equipment capacity information after updating the energy supply equipment as the equipment plan.

14. A planning device as claimed in any one of claims 11 to 13, wherein the planning unit creates, as the operation plan, information including at least one of: energy supply plan information for the facility; electricity rate information indicating the purchase price of electricity to the facility and the sales price of electricity from the facility; and facility carbon dioxide information indicating the amount of carbon dioxide emitted by the facility during operation and the amount of carbon dioxide absorbed by the facility during operation.

15. The plan creation device according to any one of claims 11 to 14, wherein the plan creation unit creates the operation plan based on the equipment plan.

16. The plan creation device described in claim 15, wherein the plan creation unit creates constraints and an objective function for each scenario included in the plurality of scenarios, creates the equipment plan for each scenario using the constraints and the objective function, creates the operation plan based on the equipment plan using the constraints and the objective function for each scenario, and creates a new operation plan based on the selected equipment plan using the constraints and the objective function for each scenario other than the scenario corresponding to a selected equipment plan selected from the created equipment plans.

17. A planning method for creating a plan for introducing energy supply equipment into a facility, wherein a planning unit creates, as the introduction plan, a plan that satisfies a constraint on carbon dioxide emissions from the facility, and the constraint is a condition that, when the amount of carbon dioxide emitted in the production of energy supplied to the outside from the energy supply equipment is regarded as the carbon dioxide absorption amount of the facility, the carbon dioxide emissions of the facility are lower than a target emission amount.

18. A planning program for creating a plan for introducing energy supply equipment into a facility, the planning program being a program for causing a computer to execute a planning process for creating an introduction plan that satisfies a constraint on the amount of carbon dioxide emissions from the facility, the constraint being a condition that the amount of carbon dioxide emissions from the facility is lower than a target emission amount when the amount of carbon dioxide emitted in the production of energy supplied to the outside from the energy supply equipment is regarded as the amount of carbon dioxide absorbed by the facility.

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