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 The San Bernardino Sun’s Joe Nelson reports that federal officials have once again rejected a pumped storage project proposed for Lake Elsinore in California’s Riverside County. Los Angeles Times, 23 Dec. 2021 Global renewable energy capacity, excluding hydropower and pumped storage, topped 1.5 million megawatts last year, according to the International Renewable Energy Agency, up from less than 55,000 megawatts in 2000. Benoit Faucon, WSJ, 17 Oct. 2021 The California Public Utilities Commission last year called adding about 1,000 megawatts of pumped storage to the state’s grid by 2026. Rob Nikolewski, San Diego Union-Tribune, 21 Sep. 2021 Both geothermal plants and pumped storage need major upfront investment and years to obtain government permits. Dave Merrill, Bloomberg.com, 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, 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.

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First Known Use of pumped storage

1927, in the meaning defined above

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Time Traveler for pumped storage

Time Traveler

The first known use of pumped storage was in 1927

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Last Updated

9 Jan 2022

Cite this Entry

“Pumped storage.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pumped%20storage. Accessed 18 Jan. 2022.

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