Green Energy (UK) Ltd

Green Energy (UK) Ltd, operating as 100Green, is a British independent-energy company based in Ware, Hertfordshire. It was established in 2001 by CEO

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#1Domestic in Cats #1Eco & Sustainable #2Energy & Utilities

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Added 12 Jun 2026

Edited 10 Jul 2026 · history

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Rankings

#1Domestic #1Eco & Sustainable #2Energy & Utilities

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.

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Green Energy

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🇬🇧United Kingdom

Domestic Eco & Sustainable Energy & Utilities

Available in

🇬🇧United Kingdom

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