List of All UK Energy Suppliers 2021 (Domestic Only)

Below we have listed every UK energy supplier in the domestic market, along with the % of the market they hold as of March 2021.

Supplier Name% of Customers
Affect Energy
Atlantic
Avro Energy1.9%
Boost Energy
Bristol Energy
British Gas18%
Bulb Energy5.9%
Co-Operative Energy1%
Daligas
E (Gas and Electricity)
E.ON12.3%
Ecotricity
EDF Energy10.4%
Engie
Enstroga
Entice Energy
ESB Energy
Fairer Power
Go Effortless Energy
Good Energy
Green Energy UK
Green.Energy
Green Network Energy
HUB Energy
igloo.energy
Lumo
M&S Energy
Nabuh
npower5.8%
npower Select
Octopus Energy5.7%
Orbit Energy
Outfox the Market
Ovo Energy14.9%
People’s Energy
PFP Energy
Powershop
Pure Planet
Sainsbury’s Energy
Scottish Power8.9%
Shell Energy2.9%
So Energy
Spark Energy
SSE
Utility Warehouse1.9%
Together Energy
Utilita Energy2.7%
Utility Point
Zog Energy

Source: OFGEM: https://www.ofgem.gov.uk/data-portal/electricity-supply-market-shares-company-domestic-gb

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