green hydrogen

noun

: hydrogen that is produced by splitting water into its two components of hydrogen and oxygen using a renewable energy source (such as wind or solar energy)

Green hydrogen is when the energy used to power electrolysis comes from renewable sources like wind, water or solar.

—Catherine Clifford

Green hydrogen, or hydrogen made using electrolysis and renewable energy, would reduce emissions both when it's made and when it's burned.

—Sean McDonnell

The project is designed to prove the concept of producing large-scale green hydrogen from offshore wind facilities.

—Jim Redden

Green hydrogen technology is based on hydrogen generation, which uses electrical currents to separate hydrogen from the oxygen in water.

—Kim Gunnelius

Examples of green hydrogen in a Sentence

Recent Examples on the Web

The system operated continuously for 3,000 hours, or about four months – a durability that could be important for the economics of green hydrogen. — Bojan Stojkovski, Interesting Engineering, 22 Aug. 2026

Many environmental groups have long been skeptical even of the 1% of hydrogen that is produced cleanly — called green hydrogen. — Los Angeles Times, 17 Aug. 2026

In March this year Saudi Arabia’s Neom project, which will become the largest green hydrogen plant, was estimated to be 90% finished and has since signed a commercial deals to distribute its product. — Sverre Alvik, Forbes.com, 7 Aug. 2026

The launch is part of India’s broader efforts to develop green hydrogen and reduce carbon emissions. — ABC News, 17 July 2026

Word History

First Known Use

2002, in the meaning defined above

Rhymes for green hydrogen

• dihydrogen