分布式光伏-储能系统经济-碳排放-能源效益实证分析——以山东省胶州光伏及其储能系统为例

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Abstract An integrated assessment model that brought together life cycle cost analysis, life cycle CO₂ analysis, and life cycle energy analysis was established. A range of indicators (e.g., static payback period (PBPs), internal rate of return (IRR), carbon emissions intensity (Em), carbon compensation payback period (CPBP), energy payback time (EPBT)) were used to evaluate the economic benefits, carbon emissions reduction benefits, and energy benefits of PV-BSS. The integrated assessment model was applied to installations of 5, 8, 10 and 15kW PV combining with 11kW·h BSS in the rural areas of Jiaozhou, Shandong Province, to establish and examine the cost-benefits ratios in CO₂ reduction versus energy benefits. The results showed that adding BSS to these installations would bring negative effects, (1) in reducing mainly the economic benefit (2) in reducing secondly the carbon emission benefit (3) but with only minor energy benefit reduction. Taking the 10kW system as an example, PBPs was extended by 34.7%, IRR reduced by 20%, Em increased by 5.36%, CPBP extended by 5.83%, and EPBT extended by 0.56%. Extending the system use time and the scale of photovoltaic installation could increase the economic benefits, and at the same time, reduce Em, shorten CPBP, thereby reducing the overall negative impact of the energy storage system on the overall economy-CO₂-energy efficiency reduction. In the off-grid scenario, the addition of BSS could effectively increase significantly the economic benefits of the system, the overall carbon reduction benefits and energy level benefits were significant.

Key words： distributed photovoltaic battery storage system cost-CO₂-energy

Received: 30 April 2021

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	Articles by authors
	WANG Xiao-hu
	CHU Chun-li
	CAO Zhi
	CHU Chun-liang
	JU Mei-ting

Cite this article:

WANG Xiao-hu,CHU Chun-li,CAO Zhi等. Empirical analysis of cost-CO₂-energy benefits of distributed photovoltaic-battery storage system-taking (PV-BSS) in a case study in rural Jiaozhou Shandong[J]. CHINA ENVIRONMENTAL SCIENCECE, 2022, 42(1): 402-414.

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http://www.zghjkx.com.cn/EN/ OR http://www.zghjkx.com.cn/EN/Y2022/V42/I1/402

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