Abstract

Providing electricity to remote areas is one of the most important measures to improve the living conditions of local inhabitants. Clean and reliable ways of electricity generation to meet the electricity demands of residents in remote areas of China are considered proceeding from resource, technical and economic factors. To minimize the total net present cost (NPC) and levelized cost of energy (COE), a hybrid power system comprising a diesel power plant (DPP), a solar photovoltaic plant (SPPP), a wind power plant (WPP), and a pumped storage power plant (PSPP) has been designed by using the HOMER software to meet the electricity demands of residents in Xiaoqindao Township (Chandao County, China). The system includes a 150 kW DPP 1, a 140 kW DPP 2, a 529 kW SPPP, a 50 kW WPP, a 200 kW PSPP (with the upper reservoir volume equal to 10000 m3 and head equal to 98 m), and a 201 kW inverter. The renewable sources account for 91.6% of the hybrid power system total electricity output. Along with meeting the electricity demands of residents, the hybrid system efficiently reduces the pollutant emissions caused by electricity consumption, which is important for efficient use of renewable energy in remote areas.

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