kilowatt-year

noun

A unit of energy equal to that provided by one kilowatt of power acting for one year (31·536 × 10⁹ joules).

“Meronyms: kilojoule (1.000e3 J) < watt-hour (3.600e3 J) < milliwatt-year (31.536e3 J) < megajoule (1.000e6 J) < kilowatt-hour (3.600e6 J) < watt-year (31.536e6 J) < gigajoule (1.000e9 J) < megawatt-hour (3.600e9 J)”

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Meanings

nounkilowatt-year (plural kilowatt-years)

plural kilowatt-years

  1. A unit of energy equal to that provided by one kilowatt of power acting for one year (31·536 × 10⁹ joules).

    Meronyms: kilojoule (1.000e3 J) < watt-hour (3.600e3 J) < milliwatt-year (31.536e3 J) < megajoule (1.000e6 J) < kilowatt-hour (3.600e6 J) < watt-year (31.536e6 J) < gigajoule (1.000e9 J) < megawatt-hour (3.600e9 J)

    1 more example

    Holonyms: terajoule (1.000e12 J) < gigawatt-hour (3.600e12 J) < 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)

Origin

By surface analysis, kilowatt + year, or, by surface analysis, kilo- + watt-year.

Full word history & related roots →
Cite this entry
APA

kilowatt-year. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/kilowatt-year

MLA

“kilowatt-year.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/kilowatt-year. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “kilowatt-year,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/kilowatt-year.

Source: kilowatt-year on Wiktionary, CC BY-SA 4.0.