System configurations have been determined based on systems net present cost In standalone as well as grid connected mode have been considered. The load data has been collectedįrom the motels situated in the coastal areas of Patenga, Chittagong. The size optimization and economic evaluation of the solar-wind hybrid renewableĮnergy system (RES) to meet the electricity demand of 276 kWh/day withĤ0 kW peak load have been determined in this study.