Abstract
This paper presents the design of a stand-alone photovoltaic/wind (PV/wind) hybrid energy system for a household in a rural area of Nkanu-West in Eastern Nigeria with a daily load of 8.4 kwh/d. Solar radiation and wind speed for the design of the system were obtained from the NASA Surface Meteorology and Solar Energy website at a location of 6° 00' N latitude and 7° 00' E longitude, with annual average solar radiation of 4.92 kWh/m2/d and annual average wind speed of 2.1 m/s. The HOMER software was used for the study, and simulation results show that an optimized PV/wind hybrid energy system that could meet the load demand of rural households with the least cost could be achieved by a combination of a 3 kW PV array, a 1 unit − 1 kW wind turbine, a 1 kW converter, and nine unit batteries. The results also demonstrated the compensatory features of the hybrid components, sun and wind, and the promise of the system for spot (point-to-point) rural electrification and poverty alleviation.
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