Costs of a self-sufficient renewable energy community

IF 9.4 1区工程技术 Q1 ENGINEERING, INDUSTRIAL

Reliability Engineering & System Safety Pub Date : 2025-04-04 DOI:10.1016/j.ress.2025.111096

Yanhua Zou , Marko Čepin

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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.

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自给自足的可再生能源社区的成本

通过可再生能源技术实现自给自足的电力供应是现代社会的一个关键目标。本研究评估了一个选定社区自给自足电力系统的成本。这个社区的电力系统包括一个风力发电厂、一个太阳能发电厂和一个电池。所建议的方法评估每个时间点的发电和用电之间的平衡，以及相关的成本。结果可分为两个方面：技术和经济。技术结果提供了各种配置的太阳能和风力发电厂规模的电池充电状态的年函数，电池尺寸和最小电池充电状态作为可靠性参数。年消费函数代表了可实现的最现实的近似。经济结果评估和比较了所有风能和太阳能发电厂规模和电池尺寸组合的成本，考虑了最小充电状态限制。研究结果表明，自给供电的成本高于电网供电的成本。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Reliability Engineering & System Safety 管理科学-工程：工业

CiteScore

15.20

自引率

39.50%

发文量

621

审稿时长

67 days

期刊介绍： Elsevier publishes Reliability Engineering & System Safety in association with the European Safety and Reliability Association and the Safety Engineering and Risk Analysis Division. The international journal is devoted to developing and applying methods to enhance the safety and reliability of complex technological systems, like nuclear power plants, chemical plants, hazardous waste facilities, space systems, offshore and maritime systems, transportation systems, constructed infrastructure, and manufacturing plants. The journal normally publishes only articles that involve the analysis of substantive problems related to the reliability of complex systems or present techniques and/or theoretical results that have a discernable relationship to the solution of such problems. An important aim is to balance academic material and practical applications.