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.
That sits on top of the gigawatt arriving in 2026 under the Google Cloud agreement signed last October. — Jon Markman, Forbes.com, 6 Aug. 2026 The Electric Reliability Council of Texas (ERCOT) alone has a queue of over 1,800 projects that would draw over 474 gigawatts of electricity. — Victor Tangermann, Futurism, 5 Aug. 2026 Chris Caso of Wolfe Research took Musk's comments to mean that SpaceX would add about 6 gigawatts of additional Nvidia computing power in 2027. — Tobias Burns,kristina Partsinevelos, CNBC, 5 Aug. 2026 Amentum will contribute engineering resources and technical expertise to strengthen project execution for gigawatt-scale reactors. — Aamir Khollam, Interesting Engineering, 4 Aug. 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

Rhymes for gigawatt

See All Rhymes for gigawatt

Browse Nearby Words

gigas
gigawatt
gig back
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Cite this Entry

“Gigawatt.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gigawatt. Accessed 10 Aug. 2026.

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