kilowatt-hour
noun
kilo·watt-hour
ˈki-lə-ˌwät-ˈau̇(-ə)r 
ˈkē-lə-
: a unit of work or energy equal to that expended by one kilowatt in one hour or to 3.6 million joules
Examples of kilowatt-hour in a Sentence
Recent Examples on the Web
That descent has been estimated to have the potential to generate some 300 billion kilowatt-hours of electricity annually – roughly triple the output of China’s Three Gorges Dam, currently the world’s most powerful.
—
Simone McCarthy, CNN Money, 17 Dec. 2025
The prototype pack has a capacity of 100 kilowatt-hours and weighs 66 pounds (30 kilograms) less than current equivalents.
—Sujita Sinha, Interesting Engineering, 11 Dec. 2025
The researchers also calculated that one of their supercapacitors could store around 10 kilowatt-hours—enough to serve about one third of an average American’s daily energy use—though the number is only theoretical.
—Perri Thaler, IEEE Spectrum, 22 Oct. 2025
That rate hike could increase the monthly bill for residents using 1,000 kilowatt-hours of electricity by around $10.
—Jordan Smith, IndyStar, 17 Oct. 2025
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Simone McCarthy, CNN Money, 17 Dec. 2025
The prototype pack has a capacity of 100 kilowatt-hours and weighs 66 pounds (30 kilograms) less than current equivalents.
—Sujita Sinha, Interesting Engineering, 11 Dec. 2025
The researchers also calculated that one of their supercapacitors could store around 10 kilowatt-hours—enough to serve about one third of an average American’s daily energy use—though the number is only theoretical.
—Perri Thaler, IEEE Spectrum, 22 Oct. 2025
That rate hike could increase the monthly bill for residents using 1,000 kilowatt-hours of electricity by around $10.
—Jordan Smith, IndyStar, 17 Oct. 2025
See All Example Sentences for kilowatt-hour
Cite this Entry
“Kilowatt-hour.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/kilowatt-hour. Accessed 24 Dec. 2025.
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