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Investigation on floating photovoltaic covering system in rural Indian reservoir to minimize evaporation loss

ABSTRACT The emerging floating photovoltaic (FPV) technology is the recent global attention in solar power production due to its high efficiency. Apart from the standalone FPV systems, hybridising the FPV system with the hydroelectric power plants (HEPP) will aid in increasing the power generation from HEPP by reducing the water loss through evaporation. In this study, the power generation and water-saving capacity of a model FPV system with various tilt angles, orientation and tracking mechanisms are analysed by covering 30% of the total area of Vaigai reservoir in India. The study shows that the proposed FPV plant with capacity of 1.14 MW generates 1.9 GWh of energy at its optimum tilt angle while saving 42,731.56 m3 of water annually. Further, cost analysis and carbon footprint estimation are also carried out. The results show that the FPV system will have a positive impact on the environment by saving 44,734.62 tons of CO2.