hydropower

noun

hy·​dro·​pow·​er ˈhī-drə-ˌpau̇(-ə)r How to pronounce hydropower (audio)
: hydroelectric power

Examples of hydropower in a Sentence

Recent Examples on the Web
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But experts have pointed out that prices could rise come summer when hydropower capacity starts dwindling, and will likely have to be replaced by more natural gas. Tristan Bove, Fortune, 2 Apr. 2026 Many of Ethiopia’s 120 million people do not have grid access, even though the country exports hydropower via the Grand Ethiopian Renaissance Dam. Yinka Adegoke, semafor.com, 30 Mar. 2026 This was constructed in the early 1950s for flood control, irrigation, and hydropower. Matthew Wills, JSTOR Daily, 30 Mar. 2026 Because of its massive volume, even small changes in lake water levels carry huge implications for regional water security, hydropower planning, ecosystems, and recreation. Amanda Greenwood, MSNBC Newsweek, 29 Mar. 2026 See All Example Sentences for hydropower

Word History

First Known Use

1933, in the meaning defined above

Time Traveler
The first known use of hydropower was in 1933

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Cite this Entry

“Hydropower.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydropower. Accessed 5 Apr. 2026.

Kids Definition

hydropower

noun
hy·​dro·​pow·​er ˈhī-drə-ˌpau̇(-ə)r How to pronounce hydropower (audio)
: hydroelectric power
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