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Impact of annual load growth on selecting the suitable sustainable standalone system for an off-grid town in Western Australia

This paper presents a suitable sustainable standalone power system for an off-grid town in Western Australia. To reduce the percentage of the electricity generated by a diesel generator in this remote town, the considered sustainable system consists of wind turbines, a photovoltaic system and a battery storage system, on top of a diesel generator. The analysis first aims to define a suitable sustainable system for this off-grid town. It then investigates and illustrates the impact of a small annual load growth on the size of the selected components for the sustainable power system as well as the total net present cost and the levelized cost of electricity for the chosen system. The analyses are carried out by the help of HOMER software.