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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.

Buoyed by a surge in hydropower generation and a greener electric grid than neighbouring India and Bangladesh, Nepal has emerged as one of the world's fastest adopters of EVs.

From Barron's • May 3, 2026

“We should recognize that hydropower is not a carbon-free — in the sense that it has no greenhouse gas emissions — source of electricity,” said Steven Hamburg, EDF’s chief scientist and the study’s co-author.

From Los Angeles Times • Apr. 15, 2026

The Colorado River and its network of tributaries supply water to seven U.S. states and Mexico, supporting drinking water, farming, and hydropower.

From Science Daily • Apr. 14, 2026

However, the Norwegian company is blessed with low-cost hydropower, stands to benefit from higher aluminum prices and European premiums, and its energy division could see windfall prices.

From The Wall Street Journal • Mar. 20, 2026

Substantial foreign investment in the aluminum and hydropower sectors has boosted economic growth which, nevertheless, has been volatile and characterized by recurrent imbalances.

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