renewable energy

American  

noun

1. 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

1. another name for alternative energy

---

Etymology

Origin of renewable energy

First recorded in 1970–75

Example Sentences

In countries like Egypt, where sunlight is ample and the price of oil has created a massive burden on consumers, renewable energy is an absolute necessity.

From Salon • Jun. 7, 2026

To ground this heavy computational architecture in environmental responsibility, the Large Nature Model is hosted by a dedicated Google Cloud server cluster in Oregon running on 87% carbon-free renewable energy.

From Los Angeles Times • Jun. 5, 2026

Battery energy storage systems—which store electricity and release it when needed—could be the next frontier, seeing as they are a critical enabler of renewable energy generation.

From Barron's • May 29, 2026

It also wants customers to benefit more from the cheaper running costs of renewable energy sources like wind and solar power.

From BBC • May 27, 2026

For too many years, Americans and the rest of the world have let such wise words about all aspects of renewable energy go unheard.

From "1919 The Year That Changed America" by Martin W. Sandler