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.
Growth is going to come primarily from solar and wind, slightly from hydropower. Erik Sherman, Forbes.com, 24 Jan. 2026 At core, the struggle is to save enough water so that the two largest reservoirs on the river and in the nation — Lakes Mead and Powell — retain water levels capable of producing hydropower and of supplying downstream users in Nevada, Arizona, California and Mexico. Brandon Loomis, AZCentral.com, 17 Jan. 2026 Modeling from the Bureau of Reclamation shows that in average flow years, both Lakes Mead and Powell will have enough water to generate hydropower in nearly every year under four of the five plans. Elise Schmelzer, Denver Post, 15 Jan. 2026 The Canadian hydropower is expected to deliver Massachusetts about 20% of its overall electricity. Grace Zokovitch, Boston Herald, 15 Jan. 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 30 Jan. 2026.

Kids Definition

hydropower

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