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.
On top of this, Nvidia intends to invest up to $100 billion in OpenAI, supplying it with data-centre chips ti build at least 10 gigawatts of AI infrastructure. Alex Harrington, MSNBC Newsweek, 29 Oct. 2025 Meta is planning a 2-gigawatt Hyperion site in Louisiana, while Google parent Alphabet just broke ground in West Memphis, Arkansas, across the Mississippi River from Elon Musk’s Colossus data center for his startup xAI. Mackenzie Sigalos, CNBC, 29 Oct. 2025 The site will host an independent power supply infrastructure with a total generation capacity of 11 gigawatts (GW). Sujita Sinha, Interesting Engineering, 27 Oct. 2025 San Jose’s current energy load is 1 gigawatt. George Avalos, Mercury News, 26 Oct. 2025 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 2 Nov. 2025.

Last Updated: - Updated example sentences
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