An indirect carbon emission allocation method considering responsibilities of source, network, load and storage

Abstract

The application provides an indirect carbon emission apportionment method considering source network load storage multi-subject responsibility, comprising the following steps: according to physical operation data, adopting a carbon emission flow calculation method considering network loss equivalent processing, determining total indirect carbon emission amount corresponding to the whole process of power generation and transmission within the apportionment boundary; according to the non-fossil energy power consumption identification result corresponding to the transaction data, adjusting the responsibility attribution of the total indirect carbon emission amount, obtaining the total carbon responsibility within the apportionment boundary; determining the network side carbon responsibility according to the carbon emission amount corresponding to the line loss in the power transmission process, and determining the energy storage side carbon responsibility according to the net carbon responsibility corresponding to the energy storage charging and discharging behavior; deducting the network side carbon responsibility and the energy storage side carbon responsibility from the total carbon responsibility, obtaining the remaining carbon responsibility, apportioning the remaining carbon responsibility between the power generation side and the power consumption side according to the proportion, obtaining the source side carbon responsibility and the load side carbon responsibility. The accuracy and consistency of the carbon responsibility apportionment result of the source network load storage subjects are improved, and repeated calculation and responsibility omission are avoided.

Description

Technical Field

[0001] This invention relates to the field of carbon emission accounting technology for power systems, and in particular to an indirect carbon emission allocation method that takes into account the responsibilities of multiple entities including power sources, grids, loads, and storage. Background Technology

[0002] Against the backdrop of achieving carbon peaking and carbon neutrality, the low-carbon transformation of the power system is gradually shifting from single-side emission reduction at the generation level to multi-stage coordination involving power generation, grid, load, and storage. With the large-scale integration of new energy sources, increased inter-regional power transmission, the development of electricity market transactions, and the improvement of green electricity and green certificate trading mechanisms, the indirect carbon emission accounting of the power system not only needs to reflect the physical process of emission transmission from the generation side to the grid and load side along the power flow, but also needs to be aligned with the rules for identifying non-fossil energy electricity consumption. The "Guidelines for Non-Fossil Energy Electricity Consumption Accounting (Trial)" proposes to determine non-fossil energy electricity consumption through physical identification, transaction identification, and allocation identification, and requires the coordination of mechanisms such as electricity trading, green certificate trading, green electricity trading, and carbon emission accounting to avoid double counting. Therefore, how to calculate indirect carbon emissions within a unified allocation boundary, and how to adjust the carbon liability caused by cross-boundary power energy trading, green electricity or green certificate trading, surplus power allocation, and cross-boundary transmission line losses in conjunction with the results of non-fossil energy electricity consumption assessment, so as to reasonably allocate the responsibility to the source side, grid side, load side, and energy storage side entities, has become an important issue in the carbon emission accounting and low-carbon operation of the power system.

[0003] Existing research has laid the foundation for carbon emission responsibility allocation. Relevant literature has proposed a power system carbon emission flow theory, which transmits carbon emissions from the generation side along power flow to branches, nodes, and loads, providing a basis for calculating node carbon potential and indirect carbon emissions from the load side. Building on this, some studies have proposed a method for shared carbon responsibility allocation between the generation and load sides, avoiding the one-sidedness of assigning responsibility to only one side. Other studies have further explored carbon emission flow calculation methods that take network losses into account, demonstrating that line losses affect carbon emission accounting results and total closure. However, existing methods mostly focus on carbon emission flow calculation or the allocation of responsibility between the source and load sides, insufficiently considering cross-border transactions, the transfer of green environmental attributes, and boundary carbon responsibility adjustments under the recognition of non-fossil energy electricity consumption. They are also unable to directly handle situations such as green electricity trading, green certificate trading, surplus electricity allocation, and cross-border transmission line losses.

[0004] On the load and energy storage sides, some studies have constructed low-carbon demand response mechanisms based on carbon emission flows, demonstrating that load-side electricity consumption adjustments affect system carbon emission levels. Other studies have proposed user-side dynamic carbon responsibility accounting methods that consider marginal carbon emissions and demand response, reflecting the impact of user electricity consumption periods and node carbon emission levels on carbon responsibility. However, energy storage has bidirectional charging and discharging characteristics. During the charging phase, it assumes carbon responsibility for electricity consumption, and operational losses incur corresponding responsibilities. During the discharging phase, it may replace high-carbon electricity and contribute to emission reduction. Existing methods still lack a unified approach to the inheritance of responsibility during charging, operational loss responsibility, and emission reduction contributions during discharging, which can easily affect the accuracy of energy storage-side responsibility allocation. Summary of the Invention

[0005] This invention provides an indirect carbon emission allocation method that takes into account the responsibilities of multiple entities including power sources, grids, loads, and storage, in order to solve the problem of inaccurate carbon responsibility allocation results among these entities in the prior art.

[0006] On the one hand, the present invention provides an indirect carbon emission sharing method that takes into account the responsibilities of multiple entities including source, grid, load, and storage, comprising: Acquire physical operation data and transaction data of the power system within the target time period; Based on the physical operation data, the total indirect carbon emissions corresponding to the entire process of power generation, transmission and consumption within the allocation boundary are determined by using a carbon emission flow calculation method that takes into account network loss equivalent treatment. Based on the non-fossil energy electricity consumption assessment results corresponding to the transaction data, the responsibility attribution of the total indirect carbon emissions is adjusted to obtain the total carbon responsibility within the allocation boundary; The grid-side carbon responsibility is determined based on the carbon emissions corresponding to line losses during power transmission, and the energy storage-side carbon responsibility is determined based on the net carbon responsibility corresponding to energy storage charging and discharging behavior. The remaining carbon responsibility is obtained by deducting the grid-side carbon responsibility and the energy storage-side carbon responsibility from the total carbon responsibility. The remaining carbon responsibility is then proportionally allocated between the power generation side and the power consumption side to obtain the source-side carbon responsibility and the load-side carbon responsibility.

[0007] Optionally, the step of determining the total indirect carbon emissions corresponding to the entire process of power generation, transmission, and consumption within the allocation boundary based on the physical operation data and using a carbon emission flow calculation method that takes into account network losses includes: Based on the branch power flow in the physical operation data, the active power loss of each branch is determined, and the active power loss is equivalently allocated to the nodes at both ends of the branch according to the bidirectional allocation principle to obtain the equivalent network loss load of each node. The equivalent load of each node is determined based on the original load of each node and the equivalent network loss load. Based on the equivalent load, the nodal carbon potential of each node is determined; Based on the nodal carbon potential and equivalent load of each node, the equivalent load carbon emissions of each node are calculated, and the sum of the equivalent load carbon emissions of each node is determined as the total indirect carbon emissions corresponding to the entire process of power generation, transmission and consumption within the allocation boundary.

[0008] Optionally, adjusting the responsibility allocation of the total indirect carbon emissions based on the non-fossil energy electricity consumption assessment results corresponding to the transaction data to obtain the total carbon responsibility within the allocation boundary includes: Based on the transaction data, identify the transaction type; Based on the determination results of the non-fossil energy electricity consumption, the carbon liability adjustment amount corresponding to each transaction type is determined respectively; The total carbon liability adjustment within the allocation boundary is determined based on the carbon liability adjustment for each type of transaction. The total amount of carbon responsibility within the allocation boundary is determined based on the total indirect carbon emissions and the total carbon responsibility adjustment.

[0009] Optionally, determining the carbon liability adjustment amount corresponding to each trading type based on the assessment results of the non-fossil energy electricity consumption includes: For cross-border electricity trading, the carbon liability to be included in the boundary of the electricity purchaser and the carbon liability to be deducted from the boundary of the electricity seller are determined based on the power and corresponding carbon emission intensity identified in the trading contract, so as to determine the carbon liability adjustment amount for cross-border electricity trading. For green certificate trading, based on the results of the green certificate trading assessment, the corresponding carbon liability will be deducted from the entities that acquire green environmental attributes within the boundary, and the corresponding carbon liability will be replenished for the entities that transfer green environmental attributes from within the boundary to outside the boundary, so as to determine the amount of carbon liability adjustment caused by green certificate trading.

[0010] Optionally, determining grid-side carbon responsibility based on carbon emissions corresponding to line losses during power transmission includes: Based on the nodal carbon potential of each node and the equivalent network loss power allocated to each node, determine the carbon emissions corresponding to the route loss of each branch line. The carbon emissions corresponding to the line losses of all branches within the allocated boundary are summed to obtain the grid-side carbon emissions within the allocated boundary. Based on the cross-boundary transmission line loss carbon liability adjustment amount in the transaction data, the grid-side carbon emissions are adjusted to obtain the line loss carbon emissions included in the scope of this boundary liability. The carbon emissions from line losses included in this boundary responsibility are considered as grid-side carbon responsibility.

[0011] Optionally, determining the carbon responsibility on the energy storage side based on the net carbon responsibility corresponding to the energy storage charging and discharging behavior includes: The carbon responsibility inherited by energy storage charging is determined based on the nodal carbon potential, energy storage charging capacity, and energy storage efficiency of each node. Based on the node carbon potential, energy storage charging capacity, and energy storage operation loss of each node, determine the carbon responsibility corresponding to the energy storage operation loss. The emission reduction contribution of energy storage discharge is determined based on the marginal carbon emission factor and energy storage discharge capacity of each node. The net carbon responsibility of the energy storage entity is determined based on the carbon responsibility inherited from energy storage charging, the carbon responsibility corresponding to energy storage operation losses, and the emission reduction contribution generated by energy storage discharge. The carbon responsibility of the energy storage entity is determined based on its net carbon responsibility and the preset carbon responsibility coefficient of the energy storage side.

[0012] Optionally, after determining the carbon responsibility of the energy storage side based on the net carbon responsibility of the energy storage entity and a preset energy storage-side assuming coefficient, the method further includes: Identify the related entities of the energy storage entity; When there are multiple related entities, the carbon responsibility on the energy storage side is distributed among the related entities.

[0013] Optionally, after allocating the remaining carbon responsibility proportionally between the power generation side and the power consumption side to obtain the source-side carbon responsibility and the load-side carbon responsibility, the method further includes: The carbon responsibility reference amount for each source-side entity is determined based on the amount of electricity supplied to the allocation boundary by each source-side entity and its corresponding carbon emission factor. The carbon responsibility reference values ​​of each source entity are summed to obtain the total carbon responsibility reference value; The carbon responsibility of each source entity is allocated to each source entity based on the ratio of the carbon responsibility reference amount of each source entity to the total carbon responsibility reference amount.

[0014] Optionally, after allocating the remaining carbon responsibility proportionally between the power generation side and the power consumption side to obtain the source-side carbon responsibility and the load-side carbon responsibility, the method further includes: Based on the electricity consumption and corresponding nodal carbon potential of each load-side entity at each node, the initial carbon responsibility reference amount for each load-side entity is determined. The initial carbon liability reference amount is adjusted based on demand response behavior and green electricity or green certificate trading to obtain the adjusted carbon liability reference amount for each load-side entity. The total modified carbon responsibility reference is obtained by summing the modified carbon responsibility reference values ​​for each load-side entity. The load-side carbon responsibility is allocated to each load-side entity based on the ratio of the modified carbon responsibility reference amount to the total modified carbon responsibility reference amount for each load-side entity.

[0015] Optionally, the initial carbon responsibility reference for the load-side entity is expressed as follows: ; in, For time period Load side body The initial carbon responsibility reference; For the main body of the load side The set of all connected nodes; For time period node The nodal carbon potential; For the main body of the load side At the node Time period Electricity consumption; The revised carbon responsibility reference for the load side is expressed as follows: ; in, For the main body of the load side The revised carbon responsibility reference; Indicates the main body of the load side Increased carbon responsibility resulting from increased electricity consumption during high-carbon periods; Indicates the main body of the load side Carbon responsibility is reduced by reducing or shifting electricity consumption during high-carbon periods through demand response; Indicates the main body of the load side Carbon liability can be deducted after purchasing green electricity or green certificates; The revised total carbon responsibility reference is expressed as follows: ; Load side body Carbon responsibility is expressed as follows: ; To revise the total carbon responsibility reference amount; For the main body set on the load side within the boundary of the shared area; For the main body of the load side Carbon responsibility undertaken; For time period Carbon responsibility on the load side.

[0016] This invention provides an indirect carbon emission allocation method that considers the responsibilities of multiple entities including power generation, grid, load, and storage. It employs a carbon emission flow calculation method that takes into account equivalent grid losses to determine the total indirect carbon emissions, thus avoiding the impact of grid losses on the overall carbon emission closure. It adjusts carbon responsibility attribution based on the results of non-fossil energy electricity consumption assessments, avoiding double counting of carbon responsibilities. It separately determines grid-side carbon responsibility based on the carbon emissions corresponding to line losses, avoiding the ambiguity caused by lumping grid loss responsibility under the source or load side. It determines energy storage-side carbon responsibility based on the net carbon responsibility corresponding to energy storage charging and discharging behavior, avoiding the deviation of simply equating energy storage with ordinary loads or ordinary power sources, and improving the accuracy of calculating the impact of energy storage charging and discharging behavior on carbon responsibility increases and decreases. By deducting grid-side and energy storage-side carbon responsibilities from the total carbon responsibility and then proportionally allocating the remaining carbon responsibility between the generation and consumption sides, it avoids double counting and responsibility omissions, improving the accuracy of the carbon responsibility allocation results for each entity (power generation, grid, load, and storage). Attached Figure Description

[0017] To more clearly illustrate the technical solutions in this invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0018] Figure 1 This is a flowchart illustrating the indirect carbon emission sharing method that takes into account the responsibilities of multiple entities including source, grid, load, and storage, as provided in an embodiment of the present invention. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of this invention clearer, the technical solutions of this invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this invention. All other embodiments obtained by those skilled in the art based on the embodiments of this invention without creative effort are within the scope of protection of this invention.

[0020] Figure 1 This is a flowchart illustrating the indirect carbon emission sharing method that takes into account the responsibilities of multiple entities including source, grid, load, and storage, as provided in an embodiment of the present invention.

[0021] See Figure 1 The indirect carbon emission sharing method that takes into account the responsibilities of multiple entities including source, grid, load and storage may include the following steps 101 to 105.

[0022] Step 101: Obtain the physical operation data and transaction data of the power system within the target time period.

[0023] In this step, physical operation data may include at least one of the following: basic data reflecting the actual physical operation status of the power system, such as unit output, node load, branch power flow, line loss, main boundary, and energy storage charging and discharging during the target period. Transaction data may include at least one of the following: information related to the identification and market trading of non-fossil energy electricity consumption, such as demand response, green electricity trading, or green certificate trading. Green electricity trading refers to a model where electricity is traded in conjunction with green environmental attributes; green certificate trading refers to a model where certificates and electricity are separated, and only green environmental attributes are traded; demand response refers to user-side behavior that affects system carbon emissions by reducing or shifting electricity consumption during high-carbon periods. The main boundary is the accounting scope defined for carbon responsibility allocation, clarifying which nodes, lines, units, loads, and energy storage belong to the same allocation unit; it is used to distinguish which carbon emission responsibilities should be included within this boundary and which should be adjusted through cross-boundary trading. Allocation boundaries may include regional power grids, market settlement areas, cities and counties, industrial parks, microgrids, or virtual power plants.

[0024] Step 102: Based on physical operation data, use the carbon emission flow calculation method that takes into account network loss equivalent treatment to determine the total indirect carbon emissions corresponding to the entire process of power generation, transmission and consumption within the allocation boundary.

[0025] Step 103: Based on the non-fossil energy electricity consumption identification results corresponding to the transaction data, adjust the responsibility attribution of total indirect carbon emissions to obtain the total carbon responsibility within the allocation boundary.

[0026] Step 104: Determine the grid-side carbon responsibility based on the carbon emissions corresponding to line losses during power transmission, and determine the energy storage-side carbon responsibility based on the net carbon responsibility corresponding to energy storage charging and discharging behavior.

[0027] Step 105: Subtract the grid-side carbon responsibility and energy storage-side carbon responsibility from the total carbon responsibility to obtain the remaining carbon responsibility. Distribute the remaining carbon responsibility proportionally between the power generation side and the power consumption side to obtain the source-side carbon responsibility and the load-side carbon responsibility.

[0028] In this embodiment, the total indirect carbon emissions are determined by a carbon emission flow calculation method that takes into account the equivalent treatment of network losses, thus avoiding the impact of network losses on the total carbon emissions closure. The carbon liability attribution is adjusted according to the non-fossil energy electricity consumption identification results, thus avoiding the double counting of carbon liability. The grid-side carbon liability is determined separately according to the carbon emissions corresponding to line losses, thus avoiding the ambiguity caused by the general attribution of network loss liability to the source side or the load side. The carbon liability of the energy storage side is determined according to the net carbon liability corresponding to the energy storage charging and discharging behavior, thus avoiding the deviation of simply equating energy storage with ordinary loads or ordinary power sources, and improving the accuracy of the accounting for the increase or decrease of carbon liability of energy storage charging and discharging behavior. By deducting the grid-side carbon liability and the energy storage side carbon liability from the total carbon liability, the remaining carbon liability is proportionally allocated between the power generation side and the power consumption side, thus avoiding double counting and liability omissions, and improving the accuracy of the carbon liability allocation results of the source, grid, load and storage entities.

[0029] In one embodiment of this specification, based on physical operation data and using a carbon emission flow calculation method that takes into account network losses, the total indirect carbon emissions corresponding to the entire process of power generation, transmission, and consumption within the allocation boundary are determined, which may include: Step 1: Based on the branch power flow in the physical operation data, determine the active power loss of each branch, and then distribute the active power loss to the nodes at both ends of the branch according to the two-way distribution principle to obtain the equivalent network loss load of each node. In step one above, branch roads are set. Connecting nodes and nodes Assuming the power flow direction is from node Flow to Node Then the inflow and outflow branches The active power is respectively and The active power loss of the branch circuit is .

[0030] branch road Active power loss distributed to nodes and nodes The proportions are given by formulas (1) and (2): (1); (2); in, For time period inner branch road Active power loss distributed to nodes The proportion; For time period inner branch road Active power loss distributed to nodes The proportion; The apportionment ratio must satisfy formula (3): (3); branch road Active power loss distributed to nodes and nodes The equivalent network loss power is given by formulas (4) and (5), respectively: (4); (5); in, For time period inner branch road Active power loss distributed to nodes The equivalent network loss power; For time period inner branch road Active power loss distributed to nodes The equivalent network loss power; For any node During the period The equivalent network loss power obtained by allocation is the sum of the equivalent network loss power allocated to the node by all connected branches, expressed as formula (6): (6); in, For time period internal nodes The sum of the equivalent network loss power obtained from all connected branches; Represents nodes A set of branches that are connected and participate in the sharing of network losses.

[0031] Step 2: Determine the equivalent load of each node based on the original load and equivalent network loss load of each node; In step two above, after taking network losses into account, the node The equivalent load power is expressed by formula (7): (7); in, For time period internal nodes The equivalent load power; For time period internal nodes The original load; Then the branch road The equivalent transmission power is expressed by formula (8): (8); in, For time period internal nodes Flow to Node The equivalent transmission power; For time period internal nodes Inflow branch The active power; Alternatively, it can be based on the outflow branch. of The calculation is expressed as formula (9): (9); in, Represents the equivalent network consisting of nodes Flow to Node The equivalent transmission power of the branch. For time period internal nodes Outflow branch The active power; the calculation results of the two should be consistent.

[0032] Step 3: Determine the nodal carbon potential of each node based on the equivalent load; set up To account for the branch active power flow distribution matrix after network loss equivalence processing, its elements are derived from the branch equivalent transmission power. Sure; Inject the distribution matrix into the unit; The equivalent load distribution matrix of the nodes; This is the unit's carbon emission intensity vector. To account for the node active power flux matrix after network loss equivalent processing, this matrix is ​​a diagonal matrix; The diagonal elements are the active flux of the nodes. For nodes... The active power flux at a node is composed of the equivalent load power of the node and the equivalent transmission power output from the node to the downstream branch, as expressed by formula (10): (10); in, Indicates from node Obtain the set of downstream nodes with active power. Represents a node The equivalent active flux. For time period internal nodes The equivalent load power of the nodes; The system node carbon potential vector after taking network losses into account is expressed by formula (11): (11); In the formula, Let be the nodal carbon potential vector, whose elements Represents a node During the period The node carbon potential.

[0033] Step 4: Based on the nodal carbon potential and equivalent load of each node, calculate the equivalent load carbon emissions of each node, and determine the sum of the equivalent load carbon emissions of each node as the total indirect carbon emissions corresponding to the entire process of power generation, transmission and consumption within the allocation boundary.

[0034] After obtaining the nodal carbon potential, the node The equivalent load carbon flow rate is expressed by formula (12): (12); In the formula, Represents a node Load carbon flow rate taking into account equivalent network losses. For nodes within time period t The nodal carbon potential; node Carbon emissions after taking into account network losses are expressed by formula (13): (13); in, For nodes within time period t Carbon emissions; The time interval for each period is used to convert the carbon flow rate into the carbon emissions within that period; Set the apportionment boundary The set of covered nodes is Then the boundary of apportionment The indirect carbon emissions within the region are expressed by formula (14): (14); in, This represents the total indirect carbon emissions.

[0035] In this embodiment, active power loss is equivalently allocated to the nodes at both ends of the branch according to the bidirectional allocation principle to obtain the equivalent network loss load of each node, avoiding the responsibility bias caused by unidirectionally attributing network loss to the source side or the load side; the equivalent load carbon emission of each node is calculated based on the node carbon potential and equivalent load, and the total indirect carbon emission is obtained by summing them, so that the calculation result includes the carbon emission corresponding to the actual load electricity consumption and line loss, improving the completeness of the calculation of the total indirect carbon emission within the allocation boundary.

[0036] In one embodiment of this specification, the allocation of responsibility for total indirect carbon emissions is adjusted based on the non-fossil energy electricity consumption determination results corresponding to the transaction data, resulting in the total carbon responsibility within the allocation boundary. This may include: Identify transaction types based on transaction data; Based on the determination of non-fossil energy electricity consumption, the corresponding carbon liability adjustment amount for each type of transaction is determined; The total carbon liability adjustment within the allocation boundary is determined based on the carbon liability adjustment for each type of transaction. The total amount of carbon responsibility within the allocation boundary is determined based on the total indirect carbon emissions and the total carbon responsibility adjustment.

[0037] The total carbon liability is expressed by formula (15): (15); Profit sharing boundary Carbon responsibility adjustment This can be expressed as formula (16): (16); In the formula, The allocation boundary within time period t Total carbon liability; The allocation boundary within time period t Total indirect carbon emissions; The allocation boundary within time period t Total carbon liability adjustment; This indicates the carbon liability adjustment resulting from the recognition of cross-border electricity trading; This indicates the carbon liability adjustment caused by the transfer of green environmental attributes in green certificate trading; This represents the carbon liability adjustment resulting from the allocation of remaining electricity across borders; This represents the carbon liability adjustment corresponding to losses in cross-border transmission lines.

[0038] In this embodiment, the total carbon liability adjustment within the allocation boundary is determined based on the carbon liability adjustment amount for each type of transaction; the total carbon liability within the allocation boundary is determined based on the total indirect carbon emissions and the total carbon liability adjustment amount; this avoids the duplication or omission of carbon liability due to factors such as cross-border transactions and the transfer of green environmental attributes when liability is assigned solely based on physical carbon emissions, thus ensuring the integrity and consistency of carbon liability attribution within the allocation boundary.

[0039] In one embodiment of this specification, the carbon liability adjustment amount corresponding to various types of transactions is determined based on the assessment results of non-fossil energy electricity consumption, which may include: For cross-border electricity trading, the carbon liability to be included in the boundary of the electricity purchaser and the carbon liability to be deducted from the boundary of the electricity seller are determined based on the power and corresponding carbon emission intensity identified in the trading contract. The carbon liability adjustment amount for cross-border electricity trading is determined based on the carbon liability to be included and the carbon liability to be deducted. The carbon liability adjustment for cross-border electricity trading is expressed by formula (17): (17); For cross-border electricity transactions where a clear one-to-one power purchase and sale relationship and electricity type are established, the transaction volume should be determined according to the transaction contract and market settlement results. The carbon liability corresponding to this volume should be included in the boundary of the power purchaser, and deducted accordingly from the boundary of the power seller. In the formula, Numbering of cross-border electricity transactions; For the first A cross-border electricity trading session The power of transaction recognition; This indicates the applicable carbon emission intensity for the electricity traded; Indicates the boundary of apportionment As a collection of transactions in which the electricity purchaser participates, Indicates the boundary of apportionment A collection of transactions in which the electricity seller participates; Indicates the first A cross-border electricity trading session The transaction volume is recognized.

[0040] For green certificate trading, based on the results of the green certificate trading assessment, the corresponding carbon liability is deducted for entities that acquire green environmental attributes within the boundary, and the corresponding carbon liability is replenished for entities that transfer green environmental attributes from within the boundary to outside the boundary. The carbon liability adjustment caused by green certificate trading is formed based on the deduction of corresponding carbon liability and the replenishment of corresponding carbon liability by the entities. For green certificate transactions involving the separation of certificate issuance and electricity consumption, the carbon liability already recorded as ordinary electricity consumption can be deducted from the boundary of the certificate purchaser, provided that the green certificate has been cancelled, the corresponding electricity consumption is within the accounting period, it has not been reused, and it has not exceeded the recognized upper limit. The carbon liability already recorded as ordinary electricity consumption should be recovered from the boundary of the certificate seller. Therefore, the boundary carbon liability adjustment caused by green certificate transactions can be expressed as formula (18): (18); In the formula, Representing the subject Obtain or transfer carbon liability deductions corresponding to green environmental attributes; Indicates the boundary of apportionment The set of entities that have obtained green certificates and meet the recognition criteria; Indicates the boundary of apportionment The main set of entities that transfer green certificates from the inner boundary to the outer boundary.

[0041] For surplus cross-border electricity, after deducting the clearly identified types of traded electricity, the carbon liability adjustment corresponding to the surplus electricity is determined according to the allocation rules. Specifically, for surplus cross-border electricity where the purchase and sale relationship or electricity type cannot be clearly defined, the clearly identified non-fossil energy electricity traded electricity, fossil energy electricity traded electricity, and electricity certified through green electricity or green certificates should be deducted before determining the non-fossil energy electricity consumption within it according to the allocation rules. If this portion of electricity has already been included in the indirect carbon emissions of the boundary where the electricity purchaser is located as ordinary grid-connected electricity, then the corresponding carbon liability can be deducted at the boundary where the electricity purchaser is located, thus obtaining... .

[0042] For cross-boundary transmission line losses, the corresponding carbon liability is adjusted between the relevant boundaries according to the trading contract, market settlement rules, or transmission service rules. If the rules stipulate that the boundary should bear the carbon liability for cross-boundary line losses, then this is included in the adjustment increment. If the carbon loss of the lines within this boundary should be borne by the entity outside the boundary according to the rules, then it will be included in the reduction. Therefore, the carbon liability adjustment corresponding to the cross-boundary transmission line loss can be expressed as formula (19): (19).

[0043] In one embodiment of this specification, determining grid-side carbon responsibility based on the carbon emissions corresponding to line losses during power transmission may include: Step 1: Determine the carbon emissions corresponding to the route losses of each branch line based on the nodal carbon potential of each node and the equivalent network loss power allocated to each node. The carbon emissions corresponding to branch line losses are expressed by formula (20): (20); in, For time period inner branch road (Connecting nodes) and nodes Carbon emissions corresponding to line losses; For nodes The equivalent network loss power; For nodes The equivalent network loss power; For nodes The nodal carbon potential; For nodes The node carbon potential.

[0044] Step 2: Sum the carbon emissions corresponding to the line losses of all branches within the allocation boundary to obtain the grid-side carbon emissions within the allocation boundary. In step two above, the allocation boundary is set. The set of branches within is Then the grid-side carbon emissions corresponding to the line loss within the allocation boundary are expressed by formula (21): (twenty one); in, This refers to the carbon emissions on the grid side within the allocated boundary.

[0045] Step 3: Adjust the grid-side carbon emissions based on the cross-boundary transmission line loss carbon liability adjustment amount in the transaction data to obtain the line loss carbon emissions included in the scope of this boundary liability. In step three above, under cross-border trading scenarios, carbon liability adjustments for line losses should be made according to the trading contract, transmission service rules, or market settlement rules. The carbon liability adjustment amount corresponding to cross-border transmission line losses is... The carbon emissions from line losses that can be included in the scope of this boundary responsibility can be expressed as formula (22): (twenty two); in, For the carbon emissions from line losses that are included in the scope of this boundary responsibility; Step 4: Include the carbon emissions from line losses within the scope of this boundary responsibility as grid-side carbon responsibility; The carbon responsibility of the grid side is expressed as formula (23): (twenty three); In the formula, This indicates carbon responsibility on the grid side.

[0046] In this embodiment, the carbon emissions corresponding to the branch line losses are determined based on the nodal carbon potential of each node and the equivalent network loss power allocated to each node, and the network-side carbon responsibility is determined separately, avoiding the ambiguity caused by the network loss responsibility being generally attributed to the source side or the load side.

[0047] In one embodiment of this specification, determining the carbon responsibility of the energy storage side based on the net carbon responsibility corresponding to the energy storage charging and discharging behavior may include: Step 1: Determine the carbon responsibility inherited by energy storage charging based on the nodal carbon potential, energy storage charging capacity, and energy storage efficiency of each node. In this step, the allocation boundary is set. Internal energy storage main body assembly is Energy storage unit At the node The charging capacity is The discharge capacity is Energy storage efficiency is The carbon responsibility for energy storage charging is expressed by formula (24): (twenty four); in, The carbon responsibility inherited from charging energy storage; As the main body of energy storage The set of nodes connected; Step 2: Determine the carbon responsibility corresponding to the energy storage operation loss based on the nodal carbon potential, energy storage charging capacity, and energy storage operation loss of each node. The carbon responsibility corresponding to energy storage operation losses is expressed by formula (25): (25); in, Carbon responsibility for energy storage operation losses; Step 3: Determine the emission reduction contribution of energy storage discharge based on the marginal carbon emission factor and energy storage discharge capacity of each node. In this step, since the nodal carbon potential represents the average carbon emission level corresponding to a unit of electricity consumption at a node under the current power flow distribution, and energy storage discharge has low-carbon value, its emission reduction contribution should be calculated using the marginal carbon emission factor, which can reflect the impact of energy storage discharge on the changes in the output and carbon emissions of marginal units in the system. The emission reduction contribution formed by energy storage discharge is expressed by formula (26): (26); Node marginal carbon emission factor. To contribute to emissions reduction.

[0048] Step 4: Determine the net carbon responsibility of the energy storage entity based on the carbon responsibility inherited from energy storage charging, the carbon responsibility corresponding to energy storage operation losses, and the emission reduction contribution generated by energy storage discharge. Energy storage main body Net carbon responsibility is expressed as formula (27): (27); in, For net carbon responsibility.

[0049] Step 5: Determine the carbon responsibility of the energy storage side based on the net carbon responsibility of the energy storage entity and the preset carbon responsibility coefficient of the energy storage side; The net carbon responsibility of the energy storage side within the allocation boundary is expressed by formula (28): (28); in, To share the net carbon responsibility of the energy storage side within the boundary.

[0050] Considering that the carbon responsibility of the energy storage side should not exceed the remaining carbon responsibility after deducting the carbon responsibility of the grid side within the allocation boundary, a carbon responsibility coefficient for the energy storage side is set. Then the carbon responsibility of the energy storage side is given by formula (29): (29); in, Carbon responsibility for energy storage.

[0051] In this embodiment, the emission reduction contribution of energy storage discharge is determined based on the marginal carbon emission factor and energy storage discharge capacity of each node. This can accurately characterize the actual emission reduction effect of energy storage discharge replacing high-carbon electricity, and avoid simply equating energy storage with ordinary power sources and underestimating its low-carbon value. By using a preset energy storage side responsibilities coefficient to constrain the carbon responsibility of the energy storage side to not exceed the remaining carbon responsibility after deducting the carbon responsibility of the grid side, the accuracy of carbon responsibility allocation in scenarios involving energy storage is improved.

[0052] In one embodiment of this specification, after determining the carbon responsibility of the energy storage entity based on the net carbon responsibility of the energy storage entity and a preset energy storage-side assuming coefficient, the method may further include: Identify the related entities of the energy storage entity; When there are multiple related entities, the carbon responsibility on the energy storage side is distributed among the related entities.

[0053] In this embodiment, if there are multiple energy storage entities, the carbon responsibility on the energy storage side is allocated according to the net carbon responsibility ratio of each energy storage entity, as expressed by formula (30): (30); like Then the carbon responsibility on the energy storage side is 0, that is... .

[0054] For time period Internal energy storage main body Carbon responsibility on the energy storage side; for scenarios where the investment entity, operation and dispatch entity, or revenue recipient of energy storage (such as shared energy storage) is inconsistent, carbon responsibility on the energy storage side can be secondary allocated. Relevant entities are designated. The secondary apportionment ratio is Then, the carbon responsibility obtained by the relevant entities through secondary allocation is expressed as formula (31): (31); in, For relevant entities Carbon responsibility derived from secondary allocation; The apportionment ratio satisfies formula (32): (32); In the formula, In order to cooperate with the main body of energy storage The set of entities with relevant ownership, scheduling rights, or revenue rights. The proportion can be determined according to the proportion agreed in the contract, the proportion of dispatch contribution, or the proportion of revenue distribution.

[0055] In one embodiment of this specification, the remaining carbon responsibility is proportionally allocated between the power generation side and the power consumption side to obtain source-side carbon responsibility and load-side carbon responsibility, which may include: Based on the preset source-side responsibility sharing coefficient, the remaining carbon responsibility is divided into source-side carbon responsibility and load-side carbon responsibility.

[0056] In this embodiment, the remaining carbon liability to be allocated on the source side and the load side is expressed as formula (33): (33); in, For the remaining carbon liability to be allocated; Let the source-side responsibility sharing coefficient be... ,and Carbon responsibility at the source. Carbon responsibility of load These are expressed as formulas (34) and (35) respectively: (34); (35); In the formula, The allocation can be determined based on market rules, contractual agreements, the proportion of shared responsibility between source and load, or local carbon liability sharing requirements; in the absence of a clear agreement, equal sharing can be adopted. .

[0057] In this embodiment, after determining the carbon responsibility on the grid side and the carbon responsibility on the energy storage side, the remaining carbon responsibility within the allocation boundary is shared by the source side and the load side. The source side corresponds to the emission responsibility on the electricity production side, and the load side corresponds to the usage responsibility on the electricity consumption side.

[0058] In one embodiment of this specification, after proportionally allocating the remaining carbon responsibility between the power generation side and the power consumption side to obtain the source-side carbon responsibility and the load-side carbon responsibility, it may further include: The carbon responsibility reference amount for each source-side entity is determined based on the amount of electricity supplied to the allocation boundary by each source-side entity and its corresponding carbon emission factor. The carbon responsibility reference values ​​of each source entity are summed to obtain the total carbon responsibility reference value; The carbon responsibility of each source entity is allocated to each source entity based on the ratio of the carbon responsibility reference amount of each source entity to the total carbon responsibility reference amount.

[0059] In this embodiment, the power supply carbon intensity is distributed within the source side according to the power supply intensity of each source-side main body. Let the source-side main body... During the period The electricity supplied within the sharing boundary is Its carbon emission factor is Then the source side main body Carbon responsibility reference Represented as formula (36): (36); Total Carbon Responsibility Reference Quantities Represented as formula (37): (37); In the formula, For the set of entities on the source side within the apportionment boundary; Source side main body Carbon responsibility Represented as formula (38): (38).

[0060] For new energy or low-carbon power sources, their carbon emission factors are lower, and their carbon responsibility is correspondingly smaller.

[0061] In one embodiment of this specification, after proportionally allocating the remaining carbon responsibility between the power generation side and the power consumption side to obtain the source-side carbon responsibility and the load-side carbon responsibility, it may further include: Based on the electricity consumption and corresponding nodal carbon potential of each load-side entity at each node, the initial carbon responsibility reference amount for each load-side entity is determined. The initial carbon liability reference amount is adjusted based on demand response behavior and green electricity or green certificate trading to obtain the adjusted carbon liability reference amount for each load-side entity. The total modified carbon responsibility reference is obtained by summing the modified carbon responsibility reference values ​​for each load-side entity. The load-side carbon responsibility is allocated to each load-side entity based on the ratio of the modified carbon responsibility reference amount to the total modified carbon responsibility reference amount for each load-side entity.

[0062] In this embodiment, the load-side energy consumption is allocated according to the user's electricity consumption and node carbon potential at different nodes. Let the load-side main body be... At the node Time period The electricity consumption is Then the main body of the load side Initial carbon responsibility reference Represented as formula (39): (39); For load-side entities participating in demand response to reduce or transfer loads during high-carbon periods, the nodal marginal carbon emission factor is used to reflect the impact of load changes on the output and carbon emissions of marginal units in the system. In cases where corresponding green environmental attributes are obtained through green electricity or green certificate trading, the corresponding responsibility reference amount should also be revised. The revised carbon responsibility reference amount for each load-side entity is expressed as formula (40): (40); In the formula, Indicates the main body of the load side Increased carbon responsibility resulting from increased electricity consumption during high-carbon periods; Indicates the main body of the load side Carbon responsibility is reduced by reducing or shifting electricity consumption during high-carbon periods through demand response; Indicates the main body of the load side Carbon liability can be deducted after purchasing green electricity or green certificates. The low-carbon rights corresponding to the same green electricity or green certificate can only belong to one entity and cannot be deducted repeatedly on the source side, load side, or between different boundaries. This is a revised carbon responsibility reference for the load side.

[0063] The revised total carbon responsibility reference is expressed as formula (40): (40); Load side body The carbon responsibility undertaken is expressed by formula (41): (41); In the formula, For the main body set on the load side within the boundary of the shared boundary. For the main body of the load side Carbon responsibility undertaken.

[0064] The source side reflects the differences in carbon emission intensity among different power sources, while the load side reflects the differences in carbon responsibility at different nodes, time periods, and user electricity consumption behaviors. The carbon responsibility within both the source and load sides satisfies formula (42): (42).

[0065] In this embodiment, carbon responsibility is allocated on the source side according to the power supply and carbon emission factor of each entity, and carbon responsibility is allocated on the load side according to the power consumption and node carbon potential of each entity, after adjustment by demand response and green trading, which improves the rationality and accuracy of carbon responsibility allocation on both the source and load sides.

[0066] In one embodiment of this specification, the allocation result can also be subjected to a consistency check, which may include: Verify whether the sum of source-side carbon responsibility, grid-side carbon responsibility, load-side carbon responsibility, and energy storage-side carbon responsibility equals the total carbon responsibility within the allocation boundary; Verify whether the nodes, lines, and energy storage devices used to calculate total indirect carbon emissions are consistent with the scope of entities participating in carbon responsibility sharing; Verify whether the carbon emissions corresponding to line losses have been calculated separately as grid-side carbon responsibility and not repeatedly included in the source or load side; whether the energy storage charging responsibility has been included in the energy storage side and not repeatedly allocated as ordinary load; and whether the energy storage discharge emission reduction contribution, demand response contribution, and green electricity or green certificate deduction have not been repeatedly deducted for the same amount of electricity.

[0067] The allocation verification is used to check whether the carbon responsibilities of the source, grid, load, and storage sides are correctly allocated. After the allocation is completed, the carbon responsibilities of the source side, grid side, load side, and energy storage side should be added together and compared with the total indirect carbon emissions at the allocation boundary. The two should satisfy formula (43): (43).

[0068] If the equation does not hold true, the calculation of nodal carbon potential, line loss allocation, calculation of energy storage charging and discharging responsibility, and setting of boundary carbon responsibility adjustment should be checked to ensure they are correct.

[0069] In summary, this invention establishes a multi-entity carbon responsibility allocation system involving the source side, grid side, load side, and energy storage side, based on the total indirect carbon emissions within the allocation boundary. This system incorporates line loss responsibility, net carbon responsibility of energy storage, and shared source-load responsibility into the same allocation process, taking into account grid losses in the carbon emission flow calculation. Compared to methods that allocate solely based on power generation, power consumption, or nodal carbon potential, this invention clearly defines the responsibility for carbon emissions corresponding to line losses, treating them separately as grid-side carbon responsibility, avoiding ambiguity caused by simply merging grid loss responsibility into the source or load side. The net carbon responsibility of the energy storage side is determined based on the inherited responsibility of energy storage charging, operational loss responsibility, and emission reduction contribution from discharging, reflecting the impact of energy storage charging and discharging behavior on the increase or decrease of carbon responsibility, avoiding simply equating energy storage with ordinary loads or ordinary power sources. After deducting grid-side carbon responsibility and net carbon responsibility of the energy storage side, this invention allocates the remaining carbon responsibility between the source and load sides, taking into account the combined impact of electricity production and consumption on indirect carbon emissions. By verifying total closure, allocation boundaries, and anti-duplication, this invention can ensure that the sum of carbon responsibilities on all sides of the source, grid, load, and storage is consistent with the total indirect carbon emissions at the allocation boundary, reducing duplicate calculations and omissions of responsibilities. The results can be used for main carbon responsibility accounting, low-carbon contribution evaluation, and source-grid-load-storage collaborative optimization.

[0070] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate. The components shown as units may or may not be physical units, that is, they may be located in one place or distributed across multiple network units.

[0071] Through the above description of the embodiments, those skilled in the art can clearly understand that each embodiment can be implemented by means of software plus necessary general-purpose hardware platforms, and of course, it can also be implemented by hardware. Based on this understanding, the above technical solutions, in essence or the part that contributes to the prior art, can be embodied in the form of a software product. This computer software product can be stored in a computer-readable storage medium, such as ROM / RAM, magnetic disk, optical disk, etc., and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute the methods described in the various embodiments or some parts of the embodiments.

[0072] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A method for indirect carbon emission sharing that considers the responsibilities of multiple entities including source, grid, load, and storage, characterized in that, include: Acquire physical operation data and transaction data of the power system within the target time period; Based on the physical operation data, the total indirect carbon emissions corresponding to the entire process of power generation, transmission and consumption within the allocation boundary are determined by using a carbon emission flow calculation method that takes into account network loss equivalent treatment. Based on the non-fossil energy electricity consumption assessment results corresponding to the transaction data, the responsibility attribution of the total indirect carbon emissions is adjusted to obtain the total carbon responsibility within the allocation boundary; The grid-side carbon responsibility is determined based on the carbon emissions corresponding to line losses during power transmission, and the energy storage-side carbon responsibility is determined based on the net carbon responsibility corresponding to energy storage charging and discharging behavior. The remaining carbon responsibility is obtained by deducting the grid-side carbon responsibility and the energy storage-side carbon responsibility from the total carbon responsibility. The remaining carbon responsibility is then proportionally allocated between the power generation side and the power consumption side to obtain the source-side carbon responsibility and the load-side carbon responsibility.

2. The method according to claim 1, characterized in that, The determination of the total indirect carbon emissions corresponding to the entire process of power generation, transmission, and consumption within the allocation boundary, based on the physical operation data and using a carbon emission flow calculation method that takes into account network losses, includes: Based on the branch power flow in the physical operation data, the active power loss of each branch is determined, and the active power loss is equivalently allocated to the nodes at both ends of the branch according to the bidirectional allocation principle to obtain the equivalent network loss load of each node. The equivalent load of each node is determined based on the original load of each node and the equivalent network loss load. Based on the equivalent load, the nodal carbon potential of each node is determined; Based on the nodal carbon potential and equivalent load of each node, the equivalent load carbon emissions of each node are calculated, and the sum of the equivalent load carbon emissions of each node is determined as the total indirect carbon emissions corresponding to the entire process of power generation, transmission and consumption within the allocation boundary.

3. The method according to claim 1, characterized in that, The step of adjusting the responsibility allocation of the total indirect carbon emissions based on the non-fossil energy electricity consumption assessment results corresponding to the transaction data to obtain the total carbon responsibility within the allocation boundary includes: Based on the transaction data, identify the transaction type; Based on the determination results of the non-fossil energy electricity consumption, the carbon liability adjustment amount corresponding to each transaction type is determined respectively; The total carbon liability adjustment within the allocation boundary is determined based on the carbon liability adjustment for each type of transaction. The total amount of carbon responsibility within the allocation boundary is determined based on the total indirect carbon emissions and the total carbon responsibility adjustment.

4. The method according to claim 3, characterized in that, The determination of carbon liability adjustments for each trading type based on the assessment results of non-fossil energy electricity consumption includes: For cross-border electricity trading, the carbon liability to be included in the boundary of the electricity purchaser and the carbon liability to be deducted from the boundary of the electricity seller are determined based on the power and corresponding carbon emission intensity identified in the trading contract, so as to determine the carbon liability adjustment amount for cross-border electricity trading. For green certificate trading, based on the results of the green certificate trading assessment, the corresponding carbon liability will be deducted from the entities that acquire green environmental attributes within the boundary, and the corresponding carbon liability will be replenished for the entities that transfer green environmental attributes from within the boundary to outside the boundary, so as to determine the amount of carbon liability adjustment caused by green certificate trading.

5. The method according to claim 2, characterized in that, The determination of grid-side carbon responsibility based on carbon emissions corresponding to line losses during power transmission includes: Based on the nodal carbon potential of each node and the equivalent network loss power allocated to each node, determine the carbon emissions corresponding to the route loss of each branch line. The carbon emissions corresponding to the line losses of all branches within the allocated boundary are summed to obtain the grid-side carbon emissions within the allocated boundary. Based on the cross-boundary transmission line loss carbon liability adjustment amount in the transaction data, the grid-side carbon emissions are adjusted to obtain the line loss carbon emissions included in the scope of this boundary liability. The carbon emissions from line losses included in this boundary responsibility are considered as grid-side carbon responsibility.

6. The method according to claim 2, characterized in that, The determination of carbon responsibility on the energy storage side based on the net carbon responsibility corresponding to the energy storage charging and discharging behavior includes: The carbon responsibility inherited by energy storage charging is determined based on the nodal carbon potential, energy storage charging capacity, and energy storage efficiency of each node. Based on the node carbon potential, energy storage charging capacity, and energy storage operation loss of each node, determine the carbon responsibility corresponding to the energy storage operation loss. The emission reduction contribution of energy storage discharge is determined based on the marginal carbon emission factor and energy storage discharge capacity of each node. The net carbon responsibility of the energy storage entity is determined based on the carbon responsibility inherited from energy storage charging, the carbon responsibility corresponding to energy storage operation losses, and the emission reduction contribution generated by energy storage discharge. The carbon responsibility of the energy storage entity is determined based on its net carbon responsibility and the preset carbon responsibility coefficient of the energy storage side.

7. The method according to claim 6, characterized in that, After determining the carbon responsibility of the energy storage side based on the net carbon responsibility of the energy storage entity and a preset energy storage-side assuming coefficient, the method further includes: Identify the related entities of the energy storage entity; When there are multiple related entities, the carbon responsibility on the energy storage side is distributed among the related entities.

8. The method according to claim 1, characterized in that, After allocating the remaining carbon responsibility proportionally between the power generation and power consumption sides to obtain the source-side carbon responsibility and the load-side carbon responsibility, the method further includes: The carbon responsibility reference amount for each source-side entity is determined based on the amount of electricity supplied to the allocation boundary by each source-side entity and its corresponding carbon emission factor. The carbon responsibility reference values ​​of each source entity are summed to obtain the total carbon responsibility reference value; The carbon responsibility of each source entity is allocated to each source entity based on the ratio of the carbon responsibility reference amount of each source entity to the total carbon responsibility reference amount.

9. The method according to claim 1, characterized in that, After allocating the remaining carbon responsibility proportionally between the power generation and power consumption sides to obtain the source-side carbon responsibility and the load-side carbon responsibility, the method further includes: Based on the electricity consumption and corresponding nodal carbon potential of each load-side entity at each node, the initial carbon responsibility reference amount for each load-side entity is determined. The initial carbon liability reference amount is adjusted based on demand response behavior and green electricity or green certificate trading to obtain the adjusted carbon liability reference amount for each load-side entity. The total modified carbon responsibility reference is obtained by summing the modified carbon responsibility reference values ​​for each load-side entity. The load-side carbon responsibility is allocated to each load-side entity based on the ratio of the modified carbon responsibility reference amount to the total modified carbon responsibility reference amount for each load-side entity.

10. The method according to claim 9, characterized in that, The initial carbon responsibility reference for the load side is expressed as follows: ； in, For time period Load side body The initial carbon responsibility reference; For the main body of the load side The set of all connected nodes; For time period node The nodal carbon potential; For the main body of the load side At the node Time period Electricity consumption; The revised carbon responsibility reference for the load side is expressed as follows: ； in, For the main body of the load side The revised carbon responsibility reference; Indicates the main body of the load side Increased carbon responsibility resulting from increased electricity consumption during high-carbon periods; Indicates the main body of the load side Carbon responsibility is reduced by reducing or shifting electricity consumption during high-carbon periods through demand response; Indicates the main body of the load side Carbon liability can be deducted after purchasing green electricity or green certificates; The revised total carbon responsibility reference is expressed as follows: ； Load side body Carbon responsibility is expressed as follows: ； To revise the total carbon responsibility reference amount; For the main body set on the load side within the boundary of the shared area; For the main body of the load side Carbon responsibility undertaken; For time period Carbon responsibility on the load side.

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