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Costs of a self-sufficient renewable energy community

Author

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  • Zou, Yanhua
  • ÄŒepin, Marko

Abstract

Achieving a self-sufficient electric energy supply through renewable technologies is a key goal of modern society. This study assesses the costs of a self-sufficient electric power system in a selected community. The community's power system includes a wind power plant, a solar power plant, and a battery. The proposed methodology evaluates the balance between electric power generation and consumption at each time point, along with the associated costs. The results are categorized into two areas: technical and economic. The technical results provide the annual function of the battery state of charge for various configurations of solar and wind power plant sizes, battery size, and minimum battery state of charge as reliability parameter. The annual consumption function represents the most realistic approximation achievable. The economic results assess and compare the costs for all combinations of wind and solar power plant sizes and battery sizes, considering the minimum state of charge limit. The findings indicate that the costs of a self-sufficient power supply are higher than those of a power supply from the grid.

Suggested Citation

  • Zou, Yanhua & ÄŒepin, Marko, 2025. "Costs of a self-sufficient renewable energy community," Reliability Engineering and System Safety, Elsevier, vol. 261(C).
    • Handle: RePEc:eee:reensy:v:261:y:2025:i:c:s0951832025002972
    DOI: 10.1016/j.ress.2025.111096
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