Solar-powered energy system.
https://www.emergency-wash.org/water/en/technologies/technology/solar-powered-energy-system
👉🏼 PDF: https://app.box.com/s/fei5qap7hxbhvdwv8pt6juza09mnyj43 ____ Solar electrical energy is produced when photovoltaic (PV) cells convert solar energy to electricity, which usually then powers a submersible or surface pump to abstract raw water. Solar-Powered pumping systems (SPPS) should be combined with an elevated water storage tank (or if unavoidable, with batteries) to store energy, ensuring a continued water supply on cloudy days and at night.