Pumped-storage hydroelectricity stores energy in the form of water pumped when energy is available from a lower elevation reservoir to a higher elevation one. The energy is recovered when demand is high by releasing the water, with the pump becoming a hydroelectric power generator.
উচ্চ চাহিদার কারণে যখন জল ছেড়ে দেওয়া হয়, তখন পাম্পটি এসকি হয়ে যায়?
a hydroelectric power generator