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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
The new tax will add 3 cents per kilowatt-hour of electricity charged to the vehicle, and charging station operators will add the tax to their selling prices.
—Maia Pandey, Journal Sentinel, 20 Nov. 2024
According to the Energy Information Administration, in the U.S., commercial electricity rates have risen to an average of about 13.5 cents per kilowatt-hour as of mid-2023, an approximate 18 % jump over the past five years.
—Dianne Plummer, Forbes, 6 Nov. 2024
To give a little context, a WUE of 0.2 L/kWh indicates a data center is using less than a cup of water per kilowatt-hour.
—Sanam Mahoozi, Forbes, 3 Nov. 2024
The sticker also shows the number of kilowatt-hours of electricity that’s needed to run the vehicle for 100 miles (this is expressed as kWh/100 miles).
—Jim Gorzelany, Forbes, 3 Oct. 2024
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Word History
First Known Use
1892, in the meaning defined above
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 26 Nov. 2024.
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
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