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
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.
Fossil fuel power generation, including natural gas and coal plants, depends on substantial water for cooling, and hydropower capacity drops directly with reservoir levels. Kelly Fleming, Forbes.com, 1 July 2026 Wind and hydropower and an array of other clean energy sources are proven technology. U T Readers, San Diego Union-Tribune, 29 June 2026 When Lake Powell’s levels fall below minimum power pool, that means water can no longer flow through the intake tubes for Glen Canyon Dam‘s hydropower facility, which is the primary method for moving water downstream from the reservoir in southern Utah. Elise Schmelzer, Denver Post, 21 June 2026 Meanwhile, power constraints can hit hydropower-dependent aluminum smelting in regions such as China. Bloomberg, Fortune, 21 June 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

Browse Nearby Words

Cite this Entry

“Hydropower.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydropower. Accessed 7 Jul. 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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