terawatt

noun

tera·​watt ˈter-ə-ˌwät How to pronounce terawatt (audio)
: a unit of power equal to one trillion watts

Examples of terawatt 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.
According to the Department of Energy, data centers consumed 176 terawatt hours of power (TWh) in 2023, or 4.4% of total U.S. electricity use. Thomas Grizzetti, Forbes.com, 6 June 2025 Estimates suggest one terawatt hour can power 70,000 homes for a year. CBS News, 16 Oct. 2024 In 2023, net electricity exports from Canada to the U.S. were 27.6 terawatt hours and came mostly from the provinces of Manitoba, Ontario, British Columbia and Quebec, according to the Canadian Energy Regulator. Tobias Burns, The Hill, 10 Mar. 2025 And powering the electrolyzers needed to make 300 million tons of hydrogen a year would require more than a terawatt of cheap renewable electricity, more than all the solar and wind power currently installed worldwide. science.org, 23 Jan. 2025 See All Example Sentences for terawatt

Word History

Etymology

tera- + watt

First Known Use

1970, in the meaning defined above

Time Traveler
The first known use of terawatt was in 1970

Browse Nearby Words

Cite this Entry

“Terawatt.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/terawatt. Accessed 29 Jun. 2025.

Kids Definition

terawatt

noun
tera·​watt ˈter-ə-ˌwät How to pronounce terawatt (audio)
: a unit of power equal to one trillion watts
Last Updated: - Updated example sentences
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