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.
During a recent United Nations climate conference, task force members proposed a climate tax on crypto mining set at $0.045 per kilowatt-hour (kWh) of electricity consumed. Andrew Leahey, Forbes, 26 Nov. 2024 After that, the utility would pay a rate of 4.6 cents per kilowatt-hour. Kevin Spear, Orlando Sentinel, 6 Nov. 2024 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 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 18 Dec. 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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!