STUDY ON COST-BENEFIT MODEL AND GRID PARITY PREDICTION OF PHOTOVOLTAIC ENERGY STORAGE POWER PROJECT

Zhao Zhenyu; Zhang Yujie

doi:10.19912/j.0254-0096.tynxb.2022-0283

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Acta Energiae Solaris Sinica ›› 2023, Vol. 44 ›› Issue (7) : 214-220. DOI: 10.19912/j.0254-0096.tynxb.2022-0283

STUDY ON COST-BENEFIT MODEL AND GRID PARITY PREDICTION OF PHOTOVOLTAIC ENERGY STORAGE POWER PROJECT

Zhao Zhenyu, Zhang Yujie

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Abstract

It is especially urgent to calculate the cost and benefit of photovoltaic energy storage power project accurately. In order to scientifically and accurately determine the economic and levelized cost of energy（LCOE） of photovoltaic energy storage power project, in this paper, the cost benefit model, LCOE model and system dynamics simulation model of photovoltaic energy storage power project are established considering the influence of technological progress and policy regulation. Taking the photovoltaic energy storage power project in Hebei province as an example, the LCOE, internal rate of return and comprehensive benefit of the photovoltaic energy storage power project are simulated and analyzed by using the model with or without subsidies. It also selects the photovoltaic energy storage power projects in Qinghai province and Yunnan province for comparative study, and calculates the different critical points for photovoltaic energy storage power projects to achieve grid parity in the above three provinces. The model can be used to analyze the cost benefit of photovoltaic energy storage power project, to measure LCOE, and to predict the initial year when photovoltaic energy storage power project will realize grid parity in the future.

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photovoltaic power systems / energy storage / cost benefit analysis / levelized cost of energy（LCOE） / internal rate of return / grid parity

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Zhao Zhenyu, Zhang Yujie. STUDY ON COST-BENEFIT MODEL AND GRID PARITY PREDICTION OF PHOTOVOLTAIC ENERGY STORAGE POWER PROJECT[J]. Acta Energiae Solaris Sinica. 2023, 44(7): 214-220 https://doi.org/10.19912/j.0254-0096.tynxb.2022-0283

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