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
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The bill is also expected to reduce renewable energy development by more than 350 cumulative gigawatts in that same time period, according to Energy Innovation. Lora Kolodny, CNBC, 2 July 2025 In 2024 alone, the country installed enough solar panels to produce approximately 280 gigawatts of energy, more than the entire U.S. solar capacity. Damien Ma, Foreign Affairs, 1 July 2025 The effort is part of Hochul’s plans to replace more than two gigawatts of fossil fuel capacity the state has shuttered in decisions largely driven by environmental concerns. Elizabeth Crisp, The Hill, 23 June 2025 Meta plans to add up to four gigawatts of nuclear generation across the U.S. starting in the early 2030s. Bret Baier , Amy Munneke, FOXNews.com, 3 July 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 29 Jul. 2025.

Last Updated: - Updated example sentences
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