CARBON EMISSION REDUCTION AND ECONOMIC BENEFITS OF PHOTOVOLTAIC STORAGE CHARGING STATIONS IN CONSIDERATION OF GEOGRAPHIC VARIANCE

doi:10.13776/j.cnki.resourcesindustries.20250226.001

Abstract

Abstract: Popular electric vehicles are becoming a meaningful way for low carbon transportation. China's electric production of fossil fuels is mostly from coal, and carbon emission per kilometer of electric vehicles amounts to 54% to 73% of the traditional gasoline vehicles. As distributed photovoltaic electricity develops, photovoltaic storage charging stations can reduce carbon mission for charging vehicles. However, their roles in reducing carbon emission vary across the country, which lacks a systematic evaluation and comparison. This paper uses GIS and capacities of photovoltaic storage charging stations to study their carbon emission reduction and economic benefits in consideration of carbon emission social costs. Photovoltaic storage charging stations can reduce carbon emission in charging vehicles with no added economic costs in most provinces, down by 22.9% compared with traditional charging from grid, up to 7460 kt of carbon dioxide given at the current electric vehicles amounts, and down by 6.6% in charging costs. Liaoning is doing a good job in carbon emission reduction through photovoltaic storage charging stations, and Tianjin obtains the best economic benefits. Carbon emission reduction can be further boosted if carbon emission social costs are considered only with slightly weakening its economic benefits.

Key words: electric vehicles, photovoltaic electricity, photovoltaic storage charging stations, economic benefits, carbon emission reduction

摘要： 电动汽车的普及为交通低碳化转型提供了一种重要方式。然而，由于中国的化石燃料发电以燃煤发电为主，电动汽车行驶所带来的每公里碳排放仍相当于传统汽油车的54%~73%。随着分布式光伏的发展，光储充电站的用能模式被提出。光储充电站通过就地消纳分布式光伏发电，可以达到降低充电碳排放的效果。然而，中国各地区光储充电站的碳减排作用有所不同，且目前仍缺乏系统性评估和比较。本文结合地理信息系统及光储充电站容量配置模型，分析中国多地区光储充电站的碳减排作用及经济效益，并考虑计入碳排放社会成本后的情况。结果显示，光储充电站可以在大部分省份减少电动汽车充电的碳排放且不增加经济成本。从全国平均水平看，光储充电站相比于仅从电网购电的普通充电站的碳排放少22.9%，在当前电动汽车保有量下每年最多可减少碳排放746万t。同时，光储充电站还可以使充电的经济成本减少6.6%。在各地区中，光储充电站在辽宁省的碳减排作用最好，在天津市的经济效益最好。此外，在配置光储充电站时计入碳排放社会成本可以进一步加强其碳减排作用，且仅轻微削弱其经济效益。

关键词: 电动汽车, 光伏发电, 光储充电站, 经济效益, 碳减排

CLC Number:

F407.61

ZHONG Zewei, ZHANG Rongda, ZHAO Xiaoli. CARBON EMISSION REDUCTION AND ECONOMIC BENEFITS OF PHOTOVOLTAIC STORAGE CHARGING STATIONS IN CONSIDERATION OF GEOGRAPHIC VARIANCE[J]. Resources & Industries, 2025, 27(3): 97-114.

钟泽伟, 张荣达, 赵晓丽. 考虑地区差异的光储充电站碳减排作用及经济效益分析[J]. 资源与产业, 2025, 27(3): 97-114.

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