Question
Pumped hydro storage
Answer :
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Pumped hydro storage is one of the most widely used and mature technologies for large-scale energy storage. It works on the principle of gravitational potential energy. During periods of low electricity demand, excess electrical energy is used to pump water from a lower reservoir to an upper reservoir. When the demand for electricity increases, the stored water is released back to the lower reservoir through turbines, generating electricity. This system helps in balancing supply and demand in the power grid. It
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