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.
The reservoir there – which could stretch dozens of miles according to the simulation – would enable operators to regulate the water flow throughout the hydropower system. Simone McCarthy, CNN Money, 17 Dec. 2025 But starting more than a century ago, people began to dam and straighten many of them for drinking water, flood control and hydropower. Evan Bush, NBC news, 16 Dec. 2025 Species stocked in Lake Powell for sporting purposes swam the reservoir for decades without creating a clear threat to the river below until the warm surface water sank nearer the hydropower intakes, called penstocks. Brandon Loomis, AZCentral.com, 15 Dec. 2025 The energy that flows through the line will come from a mix of sources, including natural gas, coal, nuclear, hydropower and renewables such as wind and solar. Madeline Heim, jsonline.com, 11 Dec. 2025 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 25 Dec. 2025.

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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