PURE is a pioneering solution to address Singapore's freshwater scarcity. It employs photovoltaic panels positioned on water surfaces to collect distilled water and save energy by regulating wind speed and water evaporation. By leveraging the complementary relationship between water and photovoltaics, PURE delivers economic and environmental benefits. It offers a sustainable way of producing freshwater, while generating clean energy. Furthermore, it enriches the meaning of the clean energy industry by demonstrating the potential of integrating multiple functions into a single system.