Below we have listed every UK energy supplier in the domestic market, along with the % of the market they hold as of March 2021. Updated to include lastest suppliers that have been sold or gone bust (as of 19th September 2021)
Supplier Name | % of Customers |
Affect Energy (Sold to Octopus Energy) | |
Atlantic | |
Avro Energy | 1.9% |
Boost Energy | |
Bristol Energy | |
British Gas | 18% |
British Gas Evolve | |
Bulb Energy | 5.9% |
Co-Operative Energy | 1% |
Daligas | |
E (Gas and Electricity) | |
E.ON | 12.3% |
E. ON Next | |
Ecotricity | |
EDF Energy | 10.4% |
Engie (Sold to Octopus Energy) | |
Enstroga | |
Entice Energy | |
ESB Energy | |
Fairer Power | |
Go Effortless Energy | |
Good Energy | |
Green Energy UK | |
Green.Energy | |
Green Network Energy (has now gone bust) | |
HUB Energy (has now gone bust) | |
igloo.energy | |
Lumo | |
M&S Energy | |
MoneyPlus Energy (has now gone bust) | |
Nabuh | |
Neon Reef | |
NEO Energy | |
npower | 5.8% |
npower Select | |
Octopus Energy | 5.7% |
Orbit Energy | |
Outfox the Market | |
Ovo Energy | 14.9% |
People’s Energy (has now gone bust) | |
PFP Energy (has now gone bust) | |
Powershop | |
Pure Planet | |
Sainsbury’s Energy | |
Scottish Power | 8.9% |
Shell Energy | 2.9% |
So Energy | |
Spark Energy | |
SSE | |
Utility Warehouse | 1.9% |
Together Energy | |
Utilita Energy | 2.7% |
Utility Point (has now gone bust) | |
Zog Energy |
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