COMPONENTS OF THE ENERGY WEB
Pumped Storage/Flywheel Storage. Who says electicity can't be stored? Conventional pumped hydro uses two reservoirs, separated vertically. During off peak hours water is pumped from the lower reservoir to the upper reservoir, when required, the water flow is reversed, it flows through a turbine and generates electricity. Pumped hydro plants require mountainous terrain and suitable sites are becoming ever more difficult to find, particularly in Europe and North America, as the number of installed plants increases. Compressed air energy storage (CAES), flywheels and superconducting electromagnetic energy storage systems have also been developed.
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