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.
The first tranche vests with the initial 1-gigawatt of shipments with additional portions vesting as Meta’s purchases scale to 6 gigawatts. Karoline Leonard, Austin American Statesman, 24 Feb. 2026 The 6-gigawatt agreement will deliver shipments supporting the first gigawatt deployment during the second half of the year. Michelle Chapman, Los Angeles Times, 24 Feb. 2026 One gigawatt represents the output of a nuclear reactor — enough electricity to power roughly 700,000 homes. Bloomberg, Mercury News, 24 Feb. 2026 The social media giant has made a deal with chipmaker AMD to purchase up to 6 gigawatts of AI computing power using AMD’s MI450 chips over five years. Jeremy Kahn, Fortune, 24 Feb. 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 28 Feb. 2026.

Last Updated: - Updated example sentences
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