Calculation of residual mixed factor after deducting green electricity and average carbon emission factor of electricity

杨 维; 宋金伟; 陈 翔; 张 宁; 闫 越; 张世泽

doi:10.3969/j.issn.1009-1831.2025.04.003

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Calculation of residual mixed factor after deducting green electricity and average carbon emission factor of electricity

更新时间：2026-03-05

- Calculation of residual mixed factor after deducting green electricity and average carbon emission factor of electricity
- Vol. 27, Issue 4, (2025)
- 作者机构：
  
  1. 国家电网有限公司大数据中心,北京,100052
  2. 清华大学电机工程与应用电子技术系,北京,100083
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.1009-1831.2025.04.003
  CLC：
- Published：2025
- 稿件说明：
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杨维, 宋金伟, 陈翔, et al. Calculation of residual mixed factor after deducting green electricity and average carbon emission factor of electricity[J]. 2025, 27(4).
DOI：

杨维, 宋金伟, 陈翔, et al. Calculation of residual mixed factor after deducting green electricity and average carbon emission factor of electricity[J]. 2025, 27(4). DOI： 10.3969/j.issn.1009-1831.2025.04.003.

摘要

随着电能在终端能源消费中占比的提升

电力碳排放核算对企业节能降碳愈发关键。目前国内剩余混合因子（residual mixed factor

RMF）尚未实现电网区域和省级层面的计算

难以精准反映绿电价值。提出一种计及绿电扣除的省级RMF计算方法

在计算中扣除省间输送电量和省内发电量中的绿电电量；同时完善省级平均电力碳排放因子（average emission faceor

AEF）计算方法

揭示了RMF与AEF呈比例关系

两者系数等于区域用电量中剩余电量的占比。利用2021—2023年电力数据验证

结果表明该方法能有效反映绿电对受入省份的减碳作用。未来将考虑电网网损及所有市场化交易电量扣除对计算方法的影响

进一步完善基于市场的企业电力碳排放核算方法。

Abstract

With the increase in the proportion of electricity in terminal energy consumption

the accounting of electricity carbon emissions is becoming more crucial for enterprises to save energy and reduce carbon emissions. At present

the calculation of the residual mixed factor（RMF）in China has not been realized at the grid-region and provincial levels

making it difficult to accurately reflect the value of green electricity. A calculation method for provincial RMF considering the deduction of green electricity is proposed. Green electricity is deducted from the inter-provincial transmission and provincial-level power generation in the calculation. At the same time

the calculation method of the provincial average emission factor（AEF）is improved

revealing a linear relationship between RMF and AEF

where the coefficient between the two is equal to the proportion of residual electricity in regional electricity consumption. The verification using the electricity data from 2021 to 2023 shows that this method can effectively reflect the carbon-reducing effect of green electricity on the receiving provinces. In the future

the impacts of grid losses and the deduction of all market-based electricity transactions on the calculation method will be considered to further improve the market-based enterprise electricity carbon emission accounting method.

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