User-side dynamic carbon responsibility accounting method considering regional fairness and demand response

By establishing a two-level optimization model for user-side demand response and an iterative decomposition and coordination method, and introducing the average marginal carbon emission rate, the problems of regional unfairness and insufficient demand response incentives in user-side carbon responsibility accounting in the power system are solved, and the fair quantification and accurate accounting of user-side carbon responsibility are realized.

CN121920644APending Publication Date: 2026-04-24ECONOMIC RES INST OF STATE GRID GANSU ELECTRIC POWER
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Patent Information

Application Number
CN202511458011.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-10-13
Publication Date
2026-04-24

AI Technical Summary

Technical Problem

Existing technologies do not consider regional equity and insufficient demand response incentives in the carbon responsibility accounting of users in the power system, resulting in an unclear carbon responsibility sharing mechanism on the user side and failing to accurately quantify the changes in the carbon emission factors of electricity consumption after users participate in demand response.

Method used

A two-layer optimization model for user-side demand response is established. By determining basic parameters and using an iterative decomposition coordination method, a two-layer optimization model is constructed. The average marginal carbon emission rate is introduced as the accounting benchmark to optimize electricity consumption behavior to achieve regional equity and demand response incentives. Operators pre-clear the system with the goal of minimizing power generation costs and update carbon emission data.

Benefits of technology

It enables fair quantification of users' actual emission reduction contributions in the power system, promotes coordinated carbon reduction on both the power generation and consumption sides, ensures that users with the same electricity consumption bear consistent carbon responsibility, has a clear logic, solves the problem of regional unfairness, and improves the accuracy and fairness of carbon responsibility accounting.

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Abstract

The invention discloses a user-side dynamic carbon responsibility accounting method considering regional fairness and demand response, and the method comprises the steps: building a user-side demand response double-layer optimization model, determining various basic parameters of the model, including a user-side carbon responsibility proportion parameter, a unit cost parameter, a power grid topological parameter, a load initial amount, and a carbon market carbon price, and calculating the demand response of the user-side demand response. Calculating a starting marginal carbon emission factor as an average marginal carbon emission rate; in consideration of demand response, each load considers maximization of power consumption cost, carbon transaction cost and power consumption income, a user demand response model is solved, and a load side demand response plan under the current average marginal carbon emission rate is output and calculated; and setting a convergence condition, if not, solving the operator clearing model by taking the minimum power generation cost as a constraint, obtaining a new unit system carbon emission, updating an average marginal carbon emission rate, outputting a new demand response plan, if the convergence condition is met, outputting a final load demand response plan, and checking a user carbon emission responsibility value.
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