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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
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 See All Example Sentences for green hydrogen

Word History

First Known Use

2002, in the meaning defined above

Time Traveler
The first known use of green hydrogen was in 2002

Browse Nearby Words

Cite this Entry

“Green hydrogen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/green%20hydrogen. Accessed 31 Aug. 2026.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster