Word.ws English Dictionary

gigawatt hour

gigawatt hour is the alternative spelling of gigawatt-hour.

Meaning of gigawatt-hour

Noun

gigawatt-hour (plural gigawatt-hours)

  1. A unit of energy equal to that provided by one gigawatt acting for one hour (3·6 × 10¹² joules).
    • Holonyms: megawatt-year (31.536e12 J) < petajoule (1.000e15 J) < terawatt-hour (3.600e15 J) < gigawatt-year (31.536e15 J) < exajoule (1.000e18 J) < petawatt-hour (3.600e18 J) < terawatt-year (31.536e18 J)
  2. (metonymically) A measure of the amount of equipment that produces, consumes, transmits, or stores this amount of energy.
    • Both [solar photovoltaic] panel and battery imports from China [to Pakistan] are on the rise. […] The nation also purchased about 1.25 gigawatt-hours of batteries in 2024 [=1.25 gigawatt-hours' worth of battery capacity], according to the Institute for Energy Economics and Financial Analysis. By...2025 October 1, Faseeh Mangi, Tooba Khan, “Pakistan's Solar Boom Faces Ire From Debt-Strapped Government”, in BloombergNEF, archived from the original on 02 Oct 2025

Forms of gigawatt hour

pluralgigawatt hours

Origin of gigawatt hour

By surface analysis, gigawatt + hour, or, by surface analysis, giga- + watt hour.

Questions about gigawatt hour

What is gigawatt hour the alternative spelling of?
Gigawatt hour is the alternative spelling of gigawatt-hour.

Words near gigawatt hour in the dictionary

  1. gigatrend
  2. gigatrends
  3. gigavolt
  4. gigavolts
  5. gigawatt
  6. gigawatt hour
  7. gigawatt hours
  8. gigawatt year
  9. gigawatt years
  10. gigawatt-hour
  11. gigawatt-hours

Source and license

Adapted from Wiktionary: gigawatt hour (page history and authors); gigawatt-hour (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “gigawatt hour.” Word.ws, https://word.ws/gigawatt_hour. Based on Wiktionary, CC BY-SA 4.0.