tera·​watt | \ ˈter-ə-ˌwät How to pronounce terawatt (audio) \

Definition of terawatt

: a unit of power equal to one trillion watts

Examples of terawatt in a Sentence

Recent Examples on the Web Coal- and gas-fired power both end up generating around 5,000 terawatt-hours in 2050, good for 11 to 12% of total power generation that year. Nathaniel Bullard, Bloomberg.com, "Another Year, Another Dismal Prognosis for Coal," 29 Oct. 2020 Put another way, one terawatt is also equivalent to one billion watts. Courtney Linder, Popular Mechanics, "Elon Musk Finally Reveals His Grand Plans to Revolutionize the Battery," 24 Sep. 2020 In the space now used to produce 150 gigawatts of batteries, Musk said, the company expects to be able to turn out a terawatt, or nearly a 700 percent increase — even while reducing its investment. Paul A. Eisenstein, NBC News, "Elon Musk reveals plans to slash electric battery costs, build $25,000 Tesla," 23 Sep. 2020 Right now, the region has nearly 400 million inhabitants who consume a bit over 100 terawatt-hours a year (compared to the United States' 4,000TW-hr). John Timmer, Ars Technica, "Electrifying West Africa with a renewable grid," 31 May 2020 In 2010, data centers around the world consumed roughly 194 terawatt-hours of energy, or 1 percent of worldwide electricity use, the study says. Will Knight, Wired, "Data Centers Aren't Devouring the Planet's Electricity—Yet," 27 Feb. 2020 Lignite generation in the six months through June fell 28% from a year earlier at RWE, a drop of 9.9 terawatt-hours. David Fickling | Bloomberg, Washington Post, "From Wyoming to Australia, Coal’s Heartlands Are Retreating," 25 Oct. 2019 In 2018, the world surpassed 1 terawatt (TW) of installed solar and wind capacity. Robert F. Service, Science | AAAS, "Can the world make the chemicals it needs without oil?," 19 Sep. 2019 On average, the amount of power used by humans is about 18 terawatts. Chris Lee, Ars Technica, "Trampoline mirror may push laser pulse through fabric of the Universe," 14 Sep. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'terawatt.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of terawatt

1970, in the meaning defined above

History and Etymology for terawatt

tera- + watt

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Time Traveler for terawatt

Time Traveler

The first known use of terawatt was in 1970

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Statistics for terawatt

Last Updated

14 Nov 2020

Cite this Entry

“Terawatt.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/terawatt. Accessed 28 Nov. 2020.

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