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 scanty snowpack accumulating this winter in the Colorado River headwaters is threatening Glen Canyon Dam’s hydropower production and complicating an already fraught balancing act for the Southwest’s waterworks. Brandon Loomis, AZCentral.com, 28 Feb. 2026 The construction of the first dams on the Columbia River, including the Grand Coulee and Bonneville in the 1930s, provided jobs during the Great Depression as well as hydropower and navigation. ABC News, 26 Feb. 2026 About 50% came from hydropower, followed by 17% geothermal and less than 10% from wind, solar and other renewables. Jennifer McDermott, Los Angeles Times, 23 Feb. 2026 River conservationists on Wednesday urged state regulators to reassess how aging hydropower infrastructure is operated and maintained — and, in some cases, whether certain facilities should remain in place — following a 14-foot diameter, high-pressure water pipe ruptured last week. Chaewon Chung, Sacbee.com, 19 Feb. 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 6 Mar. 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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster