Page 31 - 《中国电力》2026年第3期

第 59 卷 第 3 期 Vol. 59, No. 3
2026 年 3 月 ELECTRIC POWER Mar. 2026

引用格式：成涛, 杨芾藜, 苏宇, 等. 计及未上网电量的多层级碳排放因子修正方法[J]. 中国电力, 2026, 59(3): 27−36.
Citation: CHENG Tao, YANG Fuli, SU Yu, et al. Multi-level carbon emission factor correction considering non-grid-connected electricity[J].
Electric Power, 2026, 59(3): 27−36.

计及未上网电量的多层级碳排放因子修正方法

成涛 ，杨芾藜 ，苏宇 ，陈文礼 ，杨振华 ，向月 2
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(1. 国网重庆市电力公司营销服务中心，重庆 400023；2. 四川大学 电气工程学院，四川 成都 610065)
Multi-level carbon emission factor correction considering
non-grid-connected electricity

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CHENG Tao , YANG Fuli , SU Yu , CHEN Wenli , YANG Zhenhua , XIANG Yue 2
(1. State Grid Chongqing Electric Power Company Marketing Service Center, Chongqing 400023, China; 2. College of Electrical
Engineering, Sichuan University, Chengdu 610065, China)

Abstract: Accurate carbon emission factors serve as the core environmental benefits of distributed resources. It provides an
basis for realizing the low-carbon transition of power systems. engineering-practical technical pathway for carbon accounting
Currently, the average carbon emission factor of the power grid of regional power systems.
has coarse spatiotemporal granularity, while the carbon flow This work is supported by National Natural Science Foundation
tracing methods struggle to meet computational requirements of of China (Fundamental Theory and Technology of Autono-
massive nodes in actual complex power grids. Moreover, both mically Coordinated Regional Energy Internet Planning and
overlook regional non-grid-connected electricity quantity. To Operation Based on Generalised Carbon Emission Trajectory,
address this, a multi-level regional carbon emission factor No.U2166211), Science and Technology Project of SGCC
correction method considering non-grid-connected electricity (Research on the Measurement Method of Electricity-Carbon
quantity is proposed. Based on the electrical partitioning theory, Indirect Emission Factor Based on Regional Correction
this method constructs a solution framework for carbon Coefficient, No.B32037250000).
emission factors and divides the actual power grid into three Keywords: carbon emission factor; grid-connected electricity
hierarchical structures (provincial-level, prefecture-level, and quantity; non-grid-connected electricity quantity; correction
end-user level) from top to bottom according to voltage levels. calculation
A hierarchical and progressive strategy is adopted in the
摘 要：准确的碳排放因子是实现电力系统低碳转型的
calculation of each level, ultimately attributing the
核心依据。现行电网平均碳排放因子时空颗粒度粗，碳
environmental benefits of non-grid-connected electricity
流 追 踪 方 法 又 难 以 适 配 实 际 复 杂 电 网 海 量 节 点 计 算 需
quantity to the corresponding nodes and dynamically correcting 求，且两者皆忽略区域未上网电量。为此，提出一种考
the carbon emission factors of grid-connected electricity 虑未上网电量的多层级区域碳排放因子修正方法。该方
quantity. Case studies at three levels (provincial, prefecture, and 法基于电气剖分理论构建碳排放因子求解框架，将实际
end-user) verify the feasibility of the method, achieving refined 电网按电压等级自上而下划分为省级、地市级、终端用
spatiotemporal granularity and fully accounting for the 户 3 层结构。在各层级计算中采取分层递进策略，最终将
未上网电量环境效益归属至所在节点，对已上网电量碳
排放因子进行动态修正。省级-地市-终端用户 3 层算例验
收稿日期：2025−09−15； 修回日期：2025−11−11。
证了方法的可行性，实现了时空颗粒度精细化，并充分
基金项目：国家自然科学基金资助项目（基于广义碳轨迹
计及分布式资源环境效益，可为区域电力系统碳核算提
的区域能源互联网自律协调规划与优化运行基础理论与关 供工程实用化技术路径。
键技术，U2166211）；国家电网有限公司科技项目（基于 关键词：碳排放因子；已上网电量；未上网电量；修正
区域修正系数的电碳间接排放因子计量方法研究，B3203 计算
7250000）。 DOI：10.11930/j.issn.1004-9649.202509030

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