Terawatt-hour
"Terawatt-hour" in a Sentence (3 examples)
Holonym: terawatt-year
Meronyms: milliwatt-hour < watt-hour < kilowatt-hour < megawatt-hour < gigawatt-hour
New facilities consume more electricity than ever. A rack of servers stuffed with AI chips requires about ten times more power than a non-AI version a few years ago. A study by the Lawrence Berkeley National Laboratory found that in 2023 America's data centres used 176 terawatt-hours (TWh) of electricity. That is forecast to increase to between 325TWh and 580TWh by 2028 (see chart 2), or 7-12% of America's total consumption, with hyperscalers accounting for about half.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.