Private company
100Green
Logo: 100Green, Public domain, via Wikimedia Commons3
British sustainable energy company
Green Energy (UK) Ltd, operating as 100Green, is a British independent-energy company based in Ware, Hertfordshire. It was established in 2001 by CEO Douglas Stewart. The company provides Ofgem-certified renewable electricity and green gas to domestic and business customers throughout Great Britain.2 Wikipedia text CC BY-SA 4.0
Last updated Oct 21, 2026.
Overview
- Industryenergy industry1
- HeadquartersWare1
- Websitewww.greenenergyuk.com
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Green Energy (UK) Ltd, operating as 100Green, is a British independent-energy company based in Ware, Hertfordshire. It was established in 2001 by CEO Douglas Stewart. The company provides Ofgem-certified renewable electricity and green gas to domestic and business customers throughout Great Britain. It is currently the only energy supplier in the UK to offer 100% green gas.2
Products and brands
- renewable natural gas
Listed on Wikidata.1
Timeline
- 2001Founded Founded1
Links
- Websitewww.greenenergyuk.com1
- X (Twitter)x.com/green_energy_uk1
- Facebookwww.facebook.com/greenenergyuk1
- YouTubewww.youtube.com/channel/UCBx9sBu6yDose07reME90sg1
- LinkedInwww.linkedin.com/company/green-energy-uk1
- Wikipedia100Green
- More imagesWikimedia Commons
- WikidataQ5602510
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1Wikidata100Green on Wikidata
- 2Wikipedia100Green on Wikipedia
- 3Wikimedia Commons100Green logo by 100Green, Public domain