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 arrangement gives Anthropic up to 5 gigawatts of capacity via current and future generations of Amazon’s Trainium chips to train and deploy Anthropic’s Claude AI models. Andrew Nusca, Fortune, 21 Apr. 2026 Meta last week also made a big deal with Broadcom, committing to deploy 1 gigawatt of its own custom MTIA chips using Broadcom technology. Katie Tarasov, CNBC, 20 Apr. 2026 Each is near or on agricultural land, with at least one-fifth of the surrounding area used for grazing fields or crops, and would together supply about 20 gigawatts of electricity if built. Ayurella Horn-Muller, Los Angeles Times, 20 Apr. 2026 Each is near or on agricultural land, with at least one-fifth of the surrounding area used for grazing fields or crops, and would together supply about 20 gigawatts of electricity if built. ABC News, 17 Apr. 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 23 Apr. 2026.

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