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Pumped storage hydro

Voith Hydro pump used in Kopswerk II (Image credit: Voith Hydro)

Voith Hydro pump used in Kopswerk II (Image credit: Voith Hydro)

Pumped storage hydro pumps water into a holding area using excess energy from the grid, then releases the water to power turbines when power is needed. A new pumped hydro plant in Austria can do both simultaneously and can generate 525 MW of power in seconds as well as store 450 MW during off hours.

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