Abstract

This research focuses on an assessment and design of a hybrid Photo Voltaic (PV)-wind system for rural electrification in Jamataka village, Botswana. The assessment revealed the most pressing factors for the need for reliable energy and the issues that the village community had with existing electricity sources. Hybrid Optimization of Multiple Energy Resources (HOMER) software was used to perform all the hybrid system configurations, simulations, and selections. The assessment research was carried out using questionnaires and physical data collection on site. With a peak load of 27.31 kW, the annual average demand is 165.29 kWh/day. The results show that the PV/wind/battery system generates the most economic and technical benefits, as measured by the Net Present Cost (NPC). Due to the high initial expenditures on renewable energy systems, the Levelized Cost of Energy (LCOE) of the system is 65 percent higher than the present energy cost in Botswana for households and 57 percent higher for companies. The International Renewable Energy Agency’s global report of renewable energy generation costs between 2010 and 2020 revealed a significant decrease, with utility-scale solar PV costs falling by 85% and onshore wind costs falling by 56 percent. As a result, the LCOE decreases as the cost of renewable energy decreases. Subsidies for renewable energy systems, on the other hand, can significantly reduce the LCOE.

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