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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Roughly 22% of its electricity comes from renewables, such as wind, solar and hydropower. David Condos, NPR, 19 May 2026 The project would affect Indigenous territories, which is a federal matter, impact the Xingu River — a federal waterway — and further affect the Belo Monte hydropower dam, built by the federal government. ABC News, 18 May 2026 That would threaten farming, hydropower and the water supply millions of people rely on in cities from Phoenix to Los Angeles. Jonathan Vigliotti, CBS News, 17 May 2026 Cheaper hydropower Low-head micro hydropower systems can generate up to 100 kilowatts (kW) of electricity at smaller dams and waterways. Georgina Jedikovska, Interesting Engineering, 15 May 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 21 May. 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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