These 2-In-1 Solar Panels Produce Electricity & Heat 120 Litres of Water/Day!EnvironmentBy Angarika Gogoi25 Sep 2019 16:20 IST“We generate as much electric energy as an ordinary PV panel would and as much hot water as an ordinary heater panel would. Except that we generate both out of a single panel!” #Innovation #RenewableEnergyRead More