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<p>Enhancing socio-economic circumstances and advancing economic growth require electricity. For remote rural communities to progress, a stable, long-lasting power supply is essential. This research conducts a techno-economic analysis of a renewable energy system (RES) to supply power to a remote region in Cameroon by using an off-grid system cost-effectively and efficiently. Microgrids ought to be reasonably priced and economically efficient. In this study, the suggested RES configurations are evaluated using net present cost (NPC) and levelized cost of energy (LCOE) metrics. The proposed system combines a wind turbine and a photovoltaic system with a micro gas turbine, a battery, a converter, an electrolyzer, a proton exchange membrane fuel cell, and a hydrogen tank. With an NPC and LCOE of 57,837.35 <InlineEquation ID="IEq1"> <EquationSource Format="TEX">\(\:\text{\$}\)</EquationSource> </InlineEquation> and 0.169 <InlineEquation ID="IEq2"> <EquationSource Format="TEX">\(\:\text{\$}/\text{k}\text{W}\text{h}\)</EquationSource> </InlineEquation>, respectively, the suggested system is the most advantageous choice from an economic standpoint. Sensitivity analyses reveal that both NPC and LCOE decrease as the inflation rate increases, regardless of the state of charge or discount rate considered. Regarding the discount rate, NPC shows an inverse relationship, whereas LCOE shows a direct relationship. The economically optimal and cost-effective configuration of the suggested system is utilized to supply power to the intended region and other regions with similar characteristics.</p>

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Cost-efficient off-grid microgrid design for sustainable energy supply in remote areas: a techno-economic analysis for Cameroon

  • 期刊论文

  • 发表日期：

    2026年7月21日

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  • Dihua Tang

摘要

Enhancing socio-economic circumstances and advancing economic growth require electricity. For remote rural communities to progress, a stable, long-lasting power supply is essential. This research conducts a techno-economic analysis of a renewable energy system (RES) to supply power to a remote region in Cameroon by using an off-grid system cost-effectively and efficiently. Microgrids ought to be reasonably priced and economically efficient. In this study, the suggested RES configurations are evaluated using net present cost (NPC) and levelized cost of energy (LCOE) metrics. The proposed system combines a wind turbine and a photovoltaic system with a micro gas turbine, a battery, a converter, an electrolyzer, a proton exchange membrane fuel cell, and a hydrogen tank. With an NPC and LCOE of 57,837.35 \(\:\text{\$}\) and 0.169 \(\:\text{\$}/\text{k}\text{W}\text{h}\) , respectively, the suggested system is the most advantageous choice from an economic standpoint. Sensitivity analyses reveal that both NPC and LCOE decrease as the inflation rate increases, regardless of the state of charge or discount rate considered. Regarding the discount rate, NPC shows an inverse relationship, whereas LCOE shows a direct relationship. The economically optimal and cost-effective configuration of the suggested system is utilized to supply power to the intended region and other regions with similar characteristics.