4MW solar PV installation and a 2. 5MW/5MWh energy storage system, supplemented by diesel generators. Scheduled to be operational by the end of 2025, this project aims to resolve the mining site's power supply challenges through a smart, multi-energy. The system includes a 4. Julius Maada Bio has commissioned two major solar power projects with a combined generation capacity of 40 megawatts, describing the development as the largest single addition to renewable energy generation capacity in Sierra Leone's history. 3 GWh ESSs, and transformer stations. The culmination of this project was made possible through a US$30 million loan agreement from the China EXIM Bank, Sierra Leone"s. Sierra Leone has committed to several renewable energy projects over the past few weeks to increase its low electricity access rate, with the most notable encompassing a major hydropower and solar PV project. The country's Presidential Initiative on Climate Change, Renewable Energy & Food Security. This study assesses different combinations of water pretreatment (RO and UF) and solar energy input (PV, ST, and PTC), evaluating their techno-economic feasibility, efficiencies, environmental impact, and sustainability.