pumped storage


Definition of pumped storage

: a hydroelectric system in which electricity is generated during periods of high demand by the use of water that has been pumped into a reservoir at a higher altitude during periods of low demand

Examples of pumped storage in a Sentence

Recent Examples on the Web Both geothermal plants and pumped storage need major upfront investment and years to obtain government permits. Dave Merrill, Bloomberg.com, "Solving California’s Power Crisis Is Both Simple and Unpopular," 18 Sep. 2020 Snowy Hydro in New South Wales is moving ahead on its Snowy 2.0 pumped storage hydro expansion project. Nathanial Gronewold, Scientific American, "To Boost Renewable Energy, Australia Looks to Water and Gravity," 18 June 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'pumped storage.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of pumped storage

1927, in the meaning defined above

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The first known use of pumped storage was in 1927

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Cite this Entry

“Pumped storage.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pumped%20storage. Accessed 20 Jan. 2021.

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