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.
Trump issued a series of executive orders on nuclear power last month that set a target for the U.S. to quadruple the sector’s capacity to 400 gigawatts by 2050. Spencer Kimball, CNBC, 6 June 2025 The orders set an ambitious goal: quadruple the nation’s nuclear capacity from 100 to 400 gigawatts by 2050. Bill Frist, Forbes.com, 29 May 2025 The report estimates the area, which covers the majority of Nevada and extends into parts of Arizona, California, Idaho, Oregon, Utah and Wyoming, could generate 135 gigawatts of baseload power, if enhanced geothermal systems are deployed at scale. Theo Burman, MSNBC Newsweek, 26 May 2025 For perspective, the Diablo Canyon nuclear plant in San Luis Obispo County produces 2.24 gigawatts of capacity, which accounts for about 9% of the state’s power mix each year. Rob Nikolewski, Mercury News, 8 May 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 18 Jun. 2025.

Last Updated: - Updated example sentences
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