Study on the performance and economy of the building-integrated micro-grid considering photovoltaic and pumped storage: a case study in Foshan

Pump as turbine applied to micro energy storage and smart water grids: a case study

Haitao Sun, Qingzheng Ren, Jili Hou, Zimo Zhao, Donghuan Xie, Wei Zhao and Fanbin Meng

International Journal of Low-Carbon Technologies, 2022, vol. 17, 630-636

Abstract: Micro-grid is a promising technology for the energy reform in urban areas. This paper takes a building as a case study to construct a micro-grid system, which includes rooftop photovoltaic and pumped storage systems according to the characteristics of the building. Moreover, the cost–benefit analysis of the commercial building micro-grid system is also performed to obtain an in-depth understanding of the feasibility of the project. According to the characteristics of power load of commercial buildings, the working characteristics of the developed micro-grid and the mathematical model of optimal operation of micro-grid in commercial buildings is constructed. The calculation results from the mathematical model show that the dynamic payback period (PBP) of the micro-grid system of commercial buildings is 4.74 years, while the dynamic PBP of the micro-grid system of battery energy storage is 7.95 years. Therefore, the micro-grid system pumped storage has a much better economy than that with battery energy storage.

Keywords: dynamic payback period; energy analysis; pumped storage; micro-grid (search for similar items in EconPapers)
Date: 2022
References: View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:oup:ijlctc:v:17:y:2022:i::p:630-636.

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