de-energize

verb

de-en·​er·​gize ˌdē-ˈe-nər-ˌjīz How to pronounce de-energize (audio)
de-energized; de-energizing; de-energizes

transitive verb

: to disconnect from a source of electricity : shut off the power to

Examples of de-energize 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.
The lawsuit claims Evergy failed to de-energize power lines as promised and the technician failed to verify it was safe for the crew to continue its work. Kendrick Calfee, Kansas City Star, 19 Oct. 2025 Duke Energy can de-energize service lines ahead of any tree work. Annie Goldman, The Enquirer, 3 July 2025 Firefighters and crews with the power company coordinated to de-energize the unit, fire officials said. Justin Muszynski, Hartford Courant, 17 June 2025 Baltimore City Fire Department requested Amtrak de-energize overhead train lines, fire officials said, as crews battled the blaze that at one point was up to seven alarms and over 200 firefighters. Michelle Deal-Zimmerman, Baltimore Sun, 13 May 2025 The suit, like others that have been filed, alleges Edison recklessly operated its equipment, failed to maintain the brush around its power lines and failed to de-energize all of its lines in the Eaton Canyon area despite warnings of impending high winds from the National Weather Service. Tony Saavedra, Daily News, 12 Mar. 2025 Nearby, a large tub had been set up to de-energize lithium-ion batteries by submerging them in a salt-and-bicarbonate solution. Mimi Dwyer, New York Times, 12 Feb. 2025 For instance, multiple lawsuits allege Edison’s equipment ignited the deadly Eaton fire after the utility failed to de-energize overhead wires during a Jan. 7 wind event. Alex Wigglesworth, Los Angeles Times, 26 Jan. 2025 Service continued to be unreliable, with transmission lines occasionally faltering or crews de-energizing wires to do repairs. IEEE Spectrum, 12 Mar. 2018

Word History

First Known Use

1886, in the meaning defined above

Time Traveler
The first known use of de-energize was in 1886

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Cite this Entry

“De-energize.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/de-energize. Accessed 13 Jan. 2026.

Last Updated: - Updated example sentences
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