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hydropower

American  
[hahy-druh-pou-er] / ˈhaɪ drəˌpaʊ ər /

noun

  1. hydroelectric power.


hydropower British  
/ ˈhaɪdrəʊˌpaʊə /

noun

  1. hydroelectric power

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of hydropower

First recorded in 1930–35; hydro- 1 + power

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The Colorado River provides drinking water for more than 40 million people and fuels hydropower across seven states.

From Barron's Jul. 31, 2026

Most of the country's electricity is generated by ageing hydropower plants, which have suffered from poor maintenance over years.

From BBC Jul. 29, 2026

This weather phenomenon "could affect electricity demand" by increasing cooling needs and limiting hydropower and wind power generation, the IEA said.

From Barron's Jul. 23, 2026

Although the federal plan aims to slow the decline of Lake Powell, it may not be enough to prevent the loss of hydropower at Glen Canyon Dam as water levels continue dropping.

From Los Angeles Times Jul. 23, 2026

The economy will continue to benefit from aid from international donors and from foreign investment in hydropower and mining.

From The 2008 CIA World Factbook by United States. Central Intelligence Agency

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