Energy providers in UK
Our approved partners in UK
Providers we have a live, working partnership with in UK right now.
Good Energy Co.
81% Which? customer score — UK’s only B Corp certified home energy supplier
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Co-op Energy
100% renewable electricity, powered by Octopus Energy’s Which?-recommended platform
See full details →UK energy costs at a glance
Typical annual dual-fuel bill by usage level
Source: Ofgem Typical Domestic Consumption Values & Q3 2026 price cap (electricity + gas, Direct Debit)
Popular in UK
Octopus Energy
Which? Recommended Provider 2026
British Gas
UK’s largest and longest-established supplier
Home & Residential Energy Providers
Good Energy Co.
81% Which? customer score — UK’s only B Corp certified home energy supplier
See full details →Co-op Energy
100% renewable electricity, powered by Octopus Energy’s Which?-recommended platform
See full details →Octopus Energy
Which? Recommended Provider 2026
British Gas
UK’s largest and longest-established supplier
E.ON Next
Part of E.ON, one of Europe’s largest energy groups
OVO Energy
Green rewards for lower-carbon usage
Scottish Power
100% renewable electricity as standard
EDF Energy
Backed by the UK’s biggest nuclear generator
Business & Commercial Energy Providers
British Gas Business
UK’s largest business energy supplier by customer numbers
EDF Business
Business electricity and gas, backed by EDF’s nuclear generation
E.ON Business
Business energy from one of Europe’s largest energy groups
Government support in UK
Incl. Warm Home Discount (£150) — 4 schemes tracked.
See all 4 UK schemes →