Optimal microgrid planning for electricity security in Niamey: A strategic response to sudden supply disruptions from neighboring sources

IF 9.9 1区 工程技术 Q1 ENERGY & FUELS
Issoufou Tahirou Halidou , M.H. Elkholy , Tomonobu Senjyu , Taghreed Said , Mahmoud M. Gamil
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Abstract

Niger relies heavily on electricity imports from Nigeria. Still, recent political tensions have caused severe disruptions, leaving the country grappling with widespread energy shortages and an increased dependence on diesel generators (DGs). This study develops an optimal microgrid (MG) planning framework to enhance electricity security and sustainability in Niamey, Niger’s capital city. Using Mixed-Integer Linear Programming (MILP), the research explores two configurations: one using photovoltaic (PV) panels paired with battery storage systems (BSS) and another combining PV, BSS, and DGs in a hybrid system. A comprehensive techno-economic analysis evaluates both configurations regarding cost-effectiveness, reliability, and sustainability. The objective is to withstand the sudden import supply line cut while minimizing costs. Compared to the first scenario, the second scenario incorporating DGs is the most economically viable, with a 17.395% reduction in total life cycle cost (TLCC). The TLCC for scenario 2 is around $435,102,442, resulting in a levelized cost of electricity (LCOE) of 0.057$/kWh, marginally lower than the 0.069$/kWh in scenario 1. As well as offering data-driven insights to inform Niamey’s energy planning under severe energy disruptions, this detailed techno-economic assessment illustrates the trade-offs between economic efficiency and environmental sustainability.
尼亚美电力安全的最佳微电网规划:对邻近电源突然供电中断的战略响应
尼日尔严重依赖从尼日利亚进口电力。尽管如此,最近的政治紧张局势造成了严重的破坏,使该国努力应对广泛的能源短缺和对柴油发电机(dg)的日益依赖。本研究开发了一个优化的微电网(MG)规划框架,以增强尼日尔首都尼亚美的电力安全和可持续性。利用混合整数线性规划(MILP),该研究探索了两种配置:一种是使用光伏(PV)面板与电池存储系统(BSS)配对,另一种是将PV, BSS和dg组合在混合系统中。综合技术经济分析评估了两种配置的成本效益、可靠性和可持续性。目标是承受突如其来的进口供应线切断,同时最大限度地降低成本。与第一种方案相比,第二种方案在经济上是最可行的,总生命周期成本(TLCC)降低了17.395%。方案2的TLCC约为435,102,442美元,导致平均电力成本(LCOE)为0.057美元/千瓦时,略低于方案1的0.069美元/千瓦时。除了提供数据驱动的见解,为尼亚美在严重能源中断情况下的能源规划提供信息外,这项详细的技术经济评估还说明了经济效率和环境可持续性之间的权衡。
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来源期刊
Energy Conversion and Management
Energy Conversion and Management 工程技术-力学
CiteScore
19.00
自引率
11.50%
发文量
1304
审稿时长
17 days
期刊介绍: The journal Energy Conversion and Management provides a forum for publishing original contributions and comprehensive technical review articles of interdisciplinary and original research on all important energy topics. The topics considered include energy generation, utilization, conversion, storage, transmission, conservation, management and sustainability. These topics typically involve various types of energy such as mechanical, thermal, nuclear, chemical, electromagnetic, magnetic and electric. These energy types cover all known energy resources, including renewable resources (e.g., solar, bio, hydro, wind, geothermal and ocean energy), fossil fuels and nuclear resources.
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