Carbon Emission Accounting for 220 kV Transmission and Transformation Projects Based on a Whole Life Cycle Improvement Method

Chunli Wang, Xian Gao and Houyin Long ()
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Chunli Wang: State Grid Fujian Power Economic and Technological Research Institute, Fuzhou 350013, China
Xian Gao: State Grid Fujian Power Economic and Technological Research Institute, Fuzhou 350013, China
Houyin Long: School of Economics and Management, Fuzhou University, Fuzhou 350108, China

Energies, 2025, vol. 18, issue 4, 1-16

Abstract: As an important link and bridge for emission reduction, power grid companies are more willing to build clean power transmission and transformation projects under the “3060” carbon emission target. With this problem at its core, this paper uses a typical 220 kV line and substation in a province as the case data. This study improves the carbon emission measurement method for the entire lifecycle of power transmission and transformation equipment, compiles and summarizes the carbon emission coefficients of each equipment and duration according to different typical scenarios, and measures the carbon emission of power transmission and transformation projects. The results show that the carbon emission of the line is 8169.58 tons, mainly concentrated in materials such as steel, water, concrete, and cement; the carbon emission of the substation is 4483.48 tons, mainly concentrated in materials such as concrete, cement and steel; and the carbon emission of the operation and maintenance stage is 9939.70 tons. The carbon emission coefficient in this paper can be extended to all the carbon emission accounting of power transmission and transformation projects in China.

Keywords: whole life cycle; carbon emission; carbon emission factor; transmission and substation project (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2025
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