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

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 By 2030, cleaner air could net an additional 70 terawatt-hours of electricity each year—about 1% of total projected electricity generation at that point. Scott K. Johnson, Ars Technica, "Chinese air pollution dimmed sunlight enough to impact solar panels," 10 July 2019 According to the bitcoin energy consumption tracker at Digiconomist, bitcoin currently consumes 66.7 terawatt-hours per year. Umair Irfan, Vox, "A new report claims bitcoin is mostly powered by renewable energy. Really?," 18 June 2019 Global energy use of all types (including fuels) is about 18 terawatts today, so this is a scenario where all the fuel a growing world could want are made in the Sahara, and Africa's drinking water is probably desalinated, to boot. Scott K. Johnson, Ars Technica, "Carpeting Sahara with wind and solar farms could make it rain," 8 Sep. 2018 The researchers simulated the effects of around 79 terawatts of solar panels and 3 terawatts of wind turbines. Avery Thompson, Popular Mechanics, "How Solar Panels in the Sahara Could Make It Rain More," 7 Sep. 2018 To put that number in perspective, the total amount of solar power added by all the world’s nations in 2017 was slightly less than a tenth of a terawatt, so this research isn’t immediately relevant for today’s renewable installations. Avery Thompson, Popular Mechanics, "How Solar Panels in the Sahara Could Make It Rain More," 7 Sep. 2018 This future scenario also includes electric vehicle (EV) growth. BNEF forecasts that EVs will add 3,461 terawatt-hours of electricity demand around the world by 2050. Megan Geuss, Ars Technica, "Report: World trending to hit 50% renewables, 11% coal by 2050," 20 June 2018 Together, the four nuclear plants produced 40 terawatt-hours of energy in 2017 — more energy than was produced by PJM’s entire fleet of wind and solar plants (30 TWh). David Roberts, Vox, "The simple argument for keeping nuclear power plants open," 5 Apr. 2018

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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Statistics for terawatt

Last Updated

26 Sep 2019

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Time Traveler for terawatt

The first known use of terawatt was in 1970

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