Synonyms

renewable energy

American

noun

any naturally occurring, theoretically inexhaustible source of energy, as biomass, solar, wind, tidal, wave, and hydroelectric power, that is not derived from fossil or nuclear fuel.

renewable energy British

noun

another name for alternative energy

"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 renewable energy

First recorded in 1970–75

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.

Renewable energy would provide power to the new house.

From BBC • Apr. 1, 2026

Renewable energy has helped absorb some of the shock in countries such as Spain that have aggressively added wind and solar power to their grids.

From The Wall Street Journal • Mar. 27, 2026

Renewable energy has destroyed the global monopoly of fossil fuels: Renewables now account for a big and growing share of global energy production.

From MarketWatch • Feb. 20, 2026

Renewable energy has become cheaper and increasingly more reliable than fossil energy, and it is getting more so every day.

From Slate • Jan. 14, 2026

Renewable energy projects are being rolled back in many countries.

From Barron's • Jan. 9, 2026

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023