Updated September 30, 2026 · TariffCue Editorial Team

Top green energy suppliers compared in the United Kingdom

21 providers available in the United Kingdom, ranked for the United Kingdom.

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Top green energy suppliers compared in the United Kingdom
#	Provider	Score	Key facts	Actions
1	PowerpeersTop pick	9.6/10	Renewable share: 100% Fixed terms: 12, 24, 36 Unit rate: €0.11 to €0.30	Review Compare See alternatives
2	Vattenfall	9.4/10	Reference annual cost: €953.30 Renewable share: 100% Fixed terms: 12, 24	Review Compare See alternatives
3	100Green	9.3/10	Renewable share: 100% Fixed terms: 12 Exit fee: £0	Review Compare See alternatives
4	Stadtwerke Münster	9.1/10	Renewable share: 100% Fixed terms: 12, 24 Unit rate: €0.302 to €0.314	Review Compare See alternatives
5	Elli	9.0/10	Renewable share: 100% Fixed terms: 12, 24, 1 Renewable basis: Certificates	Review Compare See alternatives
6	Pure Energie	9.0/10	Renewable share: 100% Fixed terms: 12 Unit rate: €0.29	Review Compare See alternatives
7	Good Energy	8.9/10	Renewable share: 100% Fixed terms: 12 Exit fee: £50	Review Compare See alternatives
8	Alperia	8.8/10	Renewable share: 100% Fixed terms: 12, 36, 60 Exit fee: €0	Review Compare See alternatives
9	UKLG ScottishPower	8.8/10	Reference annual cost: £1,663 Renewable share: 100% Exit fee: £50	Review Compare See alternatives
10	Gexa Electricity and Energy	8.7/10	Reference annual cost: $1,788 Renewable share: 100% Fixed terms: 12, 24, 36	Review Compare See alternatives

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