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- Energy from a source such as sunlight is used to lift water upward against the force of gravity, giving it potential energy. The stored potential energy is later converted to electricity that is added to the power grid, even when the original energy source is not available. (en)
- A diagram of the TVA pumped storage facility at Raccoon Mountain Pumped-Storage Plant in Tennessee, United States (en)
- Power distribution, over a day, of a pumped-storage hydroelectricity facility. Green represents power consumed in pumping. Red is power generated. (en)
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