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 The MPGe figure provides the number of miles that a BEV can travel using 33.7 kilowatt-hours of electricity, which is the same amount of energy found in one gallon of gasoline. Peter Douglas, The Mercury News, 31 Mar. 2024 Indeed, an estimate from Efficiency Vermont, the states’ energy efficiency utility, pegged the system’s consumption at 10,000 kilowatt-hours annually in heating alone. Tik Root, WIRED, 30 Mar. 2024 People living in California have been paying 32 cents per kilowatt-hour compared to the national average of 18 cents, according to Energy Sage, which has monitored energy prices nationwide. Jamie Joseph, Fox News, 19 Mar. 2024 However, the lithium-ion cell remains the best in terms of cradle-to-gate impact on climate change, accounting for 30.9 kilograms of emitted carbon dioxide per kilowatt-hour generated, followed by the SiCPAN cell. IEEE Spectrum, 29 Feb. 2024 From January 2020 to January 2024, average electricity prices per kilowatt-hour have gone up 30.5 percent nationwide. Rob Nikolewski, San Diego Union-Tribune, 19 Feb. 2024 In November, the average U.S. homeowner paid $162 for the typical 1,000 kilowatt-hours of use, up from $156 a year earlier, according to the Energy Information Administration. Ivan Penn, New York Times, 5 Feb. 2024 The Sierra Club proposal reduces the average per kilowatt-hour rate for SDG&E customers by 15 percent. Rob Nikolewski, San Diego Union-Tribune, 8 Feb. 2024 Residential rates are 24 cents per kilowatt-hour, compared with an average of 16 cents in the U.S. mainland. Dánica Coto, Quartz, 7 Feb. 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 16 Apr. 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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