kilowatt-hour

noun

kilo·​watt-hour ˈki-lə-ˌwät-ˈau̇(-ə)r How to pronounce kilowatt-hour (audio)
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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
But for Terry, the true impact isn’t measured in kilowatt-hours saved; it’s measured in the minds of young people who have been empowered to create change. Alexandra Harbert, USA TODAY, 20 Feb. 2025 The report showed average California rates are more than 30 cents/kilowatt-hour (kWh), which is close to double the national average. Kate Wolffe, Sacramento Bee, 18 Feb. 2025 Electricity In January, the average price of electricity nationwide was approximately 18 cents per kilowatt-hour. Claire Malon, Chicago Tribune, 13 Feb. 2025 Thirty kilowatt-hours is about enough to power the average US home's daily usage. New Atlas, 7 Feb. 2025 See all Example Sentences for kilowatt-hour 

Word History

First Known Use

1892, in the meaning defined above

Time Traveler
The first known use of kilowatt-hour was in 1892

Dictionary Entries Near kilowatt-hour

Cite this Entry

“Kilowatt-hour.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/kilowatt-hour. Accessed 23 Feb. 2025.

Kids Definition

kilowatt-hour

noun
: a unit of work or energy equal to that expended by one kilowatt in one hour and equal to 3.6 million joules

Medical Definition

kilowatt-hour

noun
: a unit of work or energy equal to that expended by one kilowatt in one hour
Last Updated: - Updated example sentences
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