In the contemporary landscape characterized by escalating energy issues and growing worldwide environmental apprehensions, the transition towards sustainable energy assumes a critical role in enhancing the standard of living. Hybrid renewable energy systems (HRES) are increasingly seen as crucial, particularly in off-grid communities, due to their provision of dependable and sustainable electrical alternatives to conventional fossil fuels. This study evaluates the viability of an autonomous system incorporating dual-mode energy storage, as well as explores the possibilities of converting municipal solid waste (MSW) into biogas to achieve both energy and environmental advantages. This research employs NSGA-II in MATLAB environment, optimizing novel HRES for size and performance where the fundamental goals include cost-effectiveness, health hazard mitigation, and ensuring a reliable electrical supply. The findings indicate that the system under investigation exhibits an ideal energy cost of 0.1393$/kWh, carbon emissions amounting to 184283.1 kg CO2-eq/yr, a health impact of 2.56 × 10−1 DALYs, and an ecological damage footprint of 1.45 × 10−7 species⋅year. The system exhibits a job creation rate of 4.22 jobs per megawatt and attains a human development score of 0.404. Through the utilization of renewable energy sources and advanced storage technologies, it is possible to address the challenges posed by energy and environmental problems.