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pumped water storage A type of power generating facility that pumps water to a storage reservoir during off-peak periods, and uses the stored water (by allowing it to fall through a hydro turbine) to generate power during peak periods. The pumping energy is typically supplied by lower cost base power capacity, and the peaking power capacity is of greater value, even though there is a net loss of power in the process. Related category • WATER SUPPLY Also on this site: Encyclopedia of Science Transport Concepts & Designs (partner site) |