Sizing of an Island Standalone Hybrid System Considering Economic and Environmental Parameters: A Case Study

Due to the significance of environmental aspects, modeling hybrid systems should be performed with lowest cost and pollution. Therefore, an effective optimum sizing method can ensure acceptable performance. This paper implements a “technique for order performance by similarity ideal solution” (TOPSIS) combined “analytic hierarchy process (AHP)” size standalone system based on techno-economic parameters. For this reason, survey was conducted collect local load data Monpura Island, located in Bhola, Bangladesh. Visible design faults existing PV/diesel mini-grid have also been identified. Five alternative configurations considered as evaluate best system. Two economic one criterion used experts specialized energy evaluated criteria proposed suitable Battery, wind PV capital multipliers perform sensitivity analysis. According analysis expert opinion, PV/biogas/wind has found most appropriate among these configurations. The electricity (COE) 0.691 (USD/kWh) emits only 4.43 kg CO2 per year. net present is 18% lower than microgrid, model emissions due high renewable penetration. It that integrating significantly reduce battery capacity mini-grid. consumes 34% less batteries Implementing result greater benefit people.