gigawatt

noun

giga·​watt ˈji-gə-ˌwät How to pronounce gigawatt (audio) ˈgi- How to pronounce gigawatt (audio)
: a unit of power equal to one billion watts

Examples of gigawatt in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
In her 2026 State of the State address Hochul announced plans to build 4 gigawatts of new nuclear in addition to 1 gigawatt the New York Power Authority announced last year. Manna Jo Greene, New York Daily News, 16 Mar. 2026 The largest data center in Illinois is scheduled for Yorkville and will require as much as 2 gigawatts of electricity, enough to power 30% of all the households in our state. Chicago Tribune, 16 Mar. 2026 The governor’s executive order sets a target of securing 10 gigawatts of energy resources for Massachusetts and five gigawatts of energy storage by 2035. Grace Zokovitch, Boston Herald, 16 Mar. 2026 The company plans to eventually build offshore wind farms capable of supporting computing capacity from 30 megawatts to more than 1 gigawatt. Etiido Uko march 13, New Atlas, 13 Mar. 2026 See All Example Sentences for gigawatt

Word History

First Known Use

circa 1962, in the meaning defined above

Time Traveler
The first known use of gigawatt was circa 1962

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Cite this Entry

“Gigawatt.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gigawatt. Accessed 20 Mar. 2026.

Last Updated: - Updated example sentences
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