Compare gas and electricity deals
We monitor the market and automatically switch you to better deals for free.
Energy Suppliers
The Big Six UK Energy Suppliers
The Bix Six Energy suppliers in the UK are British Gas, E.ON, EDF Energy, nPower and SSE. Together, they’re responsible for supplying 74% of UK households with gas and electricity. While these companies dominate the supplier market, back in 2004, the Big Six energy providers accounted for all of Great Britain's energy customers.
British Gas
Synonymous with gas and electricity supply, British Gas - known as Scottish Gas in Scotland and Nwy Prydain...
E.ON
E.ON (formerly known as Powergen) is a gas and electricity supplier who also offer other energy-related products such as...
EDF
EDF Energy is part of the EDF Group which is based in France. In the UK, EDF Energy has offices...
Npower
Npower is a UK energy provider based in Swindon. In 2019 the E.ON group purchased Npower who...
Scottish Power
Scottish Power is a gas and electricity company based in Glasgow that is involved in the transmission...
SSE
SSE is a FTSE 100 energy supplier, based in Perth in Scotland, and a leading generator of electricity from renewable sources.
Other Great Value Energy Suppliers
There are now over 60 ‘other’ energy companies in the UK, all differing in size and services. These span from companies like OVO Energy, the most prominent energy supplier not among the Big Six, to small suppliers like Fairerpower, who only provide energy to residents in the Lancashire and Cheshire East areas of the UK.
Affect Energy
Airtricity
Atlantic
Avro Energy
Better Energy
Bristol Energy
British Gas Evolve
Budget Energy
Bulb Energy
Co-Op Energy
Daligas
E.ON Next
Ebico
Ecotricity
Enstroga Energy
Extra Energy
Fairerpower
Firmus Energy
First Utility
Flow Energy
GB Energy
GnERGY
Good Energy
Green Energy UK
Green Star Energy
Halifax
HUB energy
iSupplyEnergy
LoCO2 Energy
M&S Energy
Nabuh Energy
Neo Energy
Octopus Energy
Opus Energy
Orbit Energy
Outfox The Market
OVO Energy
People’s Energy
PFP Energy
Power NI
Robin Hood Energy
Sainsbury’s Energy
Scottish Hydro
Shell Energy
So Energy
Solarplicity
Southern Electric
Spark Energy
SWALEC
Together Energy
Tonik Energy
Toto Energy
Utilita
Utility Point
Utility Warehouse
Woodland Trust Energy
Zebra Power
Zog Energy