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 In one of its biggest engineering accomplishments, the Mercedes envelops a battery with 116 kilowatt-hours of usable power entirely within its steel ladder frame, connected by more than 50 screws. IEEE Spectrum, 13 May 2024 In exchange, the electricity usage rate would be cut by 5 to 7 cents per kilowatt-hour. Andrew Sheeler, Sacramento Bee, 9 May 2024 The all-electric Bluebird buses run on 155 kilowatt-hour batteries that can travel about 100 miles per charge. Hayleigh Evans, The Arizona Republic, 8 May 2024 Solar industry advocates have estimated that under the new rules, the average compensation rate has dropped from 30 cents per kilowatt-hour to 8 cents — a reduction of 75 percent. Rob Nikolewski, San Diego Union-Tribune, 6 May 2024 As a result, 100 supplier facilities saved 2 billion kilowatt-hours of electricity last year. Justine Calma, The Verge, 18 Apr. 2024 It’s fitted with the same power source as its older cousin in Europe, a 42 kilowatt-hour nickel manganese cobalt battery. Kristin Shaw, Popular Science, 17 Apr. 2024 Civilian anthropology researcher Lance Larkin at the U.S. Army Corps of Engineers’ Construction Engineering Research Laboratory (CERL) in Champaign, Ill., told IEEE Spectrum that that’s enough fuel for the fuel cell to generate 1,800 kilowatt-hours of energy. IEEE Spectrum, 16 Apr. 2024 But the California Solar & Storage Association, which opposed the commission’s decision, estimated the average rate of compensation would drop from 30 cents per kilowatt-hour to 8 cents — a reduction of 75 percent. Rob Nikolewski, San Diego Union-Tribune, 15 Apr. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'kilowatt-hour.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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 20 May. 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
Last Updated: - Updated example sentences
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