Energy suppliers

Find out more about your energy supplier, or an energy supplier you're considering switching to. Select the energy supplier you are interested in to see information on their energy tariffs and price history, as well as how they scored in our latest energy customer satisfaction survey.

Energy companies rated

Energy companies rated

The winners and losers in our 2014 energy customer survey
Airtricity

Airtricity

Your at-a-glance guide to Northern Irish energy supplier Airtricity
Atlantic

Atlantic

Key facts and scores for energy supplier Atlantic, part of SSE
Better Energy

Better Energy

Better Energy is a new UK gas supplier.
British Gas

British Gas

British Gas is one of the largest energy providers in the UK
Budget Energy

Budget Energy

Budget Energy is a Northern Ireland electricity supplier
Co-operative Energy

Co-operative Energy

Co-operative Energy is owned by its customers
Daligas

Daligas

Daligas only offers gas at one price, which it says simplifies pricing
Ebico

Ebico

Ebico Ltd is the UK’s only not-for-profit energy company
Ecotricity

Ecotricity

Electricity supplier Ecotricity invests in green energy projects
EDF

EDF

EDF also operates as London Energy, Seeboard and SWEB
Eon

Eon

Eon (formally Powergen) is owned by German company Eon
First Utility

First Utility

First Utility is an independent gas and electricity supplier
Flow Energy

Flow Energy

Flow Energy is a new UK energy supply company that is also a designer and a manufacturer
Good Energy

Good Energy

Good Energy supplies 100% of its electricity from renewable sources
Green Energy

Green Energy

Green Energy sources energy from UK- only renewable sources
Green Star Energy

Green Star Energy

Green Star Energy, formerly Pioneer Energy, launched onto the UK market in July 2013
iSupply Energy

iSupply Energy

iSupply Energy provides energy from renewable sources
LoCO2 Energy

LoCO2 Energy

LoCO2 sources energy from renewable sources
M&S Energy

M&S Energy

Key facts about M&S Energy, which is operated by SSE
Npower

Npower

Npower is one of the largest suppliers of energy in the UK
Ovo Energy

Ovo Energy

Ovo Energy entered the energy market in September 2009
Power NI

Power NI

Power NI is the largest Northern Irish energy supplier
Sainsbury's Energy

Sainsbury's Energy

Sainsbury's Energy is operated by British Gas
Scottish Hydro

Scottish Hydro

Scottish Hydro is part of SSE's group of energy brands
Scottish Power

Scottish Power

Scottish Power is one of the UK's largest gas and electricity firms
Southern Electric

Southern Electric

Southern Electric is part of one of the UK's biggest energy firms
Spark Energy

Spark Energy

Spark Energy is a small but growing utilities provider
SSE

SSE

Your guide to SSE, one of the UK's biggest energy firms
Swalec

Swalec

Swalec is part of SSE's group of energy company brands
Utilita

Utilita

Utilita is an independent energy and utilities supplier
Utility Warehouse

Utility Warehouse

The Utility Warehouse provides energy and telecoms services
Woodland Trust Energy

Woodland Trust Energy

Woodland Trust Energy is a new energy supplier that aims to supply cheaper and greener energy
Zog Energy

Zog Energy

Zog Energy is a new UK gas only supplier
Which? works for you