Sizing, economic, and reliability analysis of photovoltaics and energy storage for an off-grid power system in Jordan

IF 1.6 Q4 ENERGY & FUELS IET Energy Systems Integration Pub Date : 2023-07-11 DOI:10.1049/esi2.12108

William Seward, Lixun Chi, Meysam Qadrdan, Adib Allahham, Khaled Alawasa

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Abstract

Remote areas in Jordan often rely on expensive and polluting diesel generators to meet their electricity demand. This study investigates 100% renewable solutions to supply the electricity demand of off-grid energy systems through optimal sizing of photovoltaics and energy storage systems. A linear programming approach is proposed to minimise the annualised cost of electricity supply including capital costs of equipment and their operation and maintenance costs. The optimisation determines the size of photovoltaics and energy storage required to satisfy electricity demand at every hour of a selected year. A Jordan campsite was used as a case study to assess and compare the performance of PV-battery storage and PV-hydrogen storage systems from economic and reliability perspectives. The results show that hydrogen storage was more economical for a 100% renewable energy system. However, introducing some diesel generation gave the battery system a significantly lower annualised cost of energy.

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约旦离网电力系统光伏和储能的规模、经济和可靠性分析

约旦的偏远地区经常依靠昂贵且污染严重的柴油发电机来满足电力需求。本研究调查了100%可再生解决方案，通过优化光伏和储能系统的规模来满足离网能源系统的电力需求。提出了一种线性规划方法，以最大限度地降低电力供应的年度成本，包括设备的资本成本及其运营和维护成本。优化确定了满足选定年份每小时电力需求所需的光伏和储能规模。约旦营地作为案例研究，从经济和可靠性角度评估和比较光伏电池存储和光伏储氢系统的性能。结果表明，对于100%可再生能源系统来说，储氢更经济。然而，引入一些柴油发电使电池系统的年能源成本显著降低。

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