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.
How do the energy suppliers stack up?
Our Which? Switch survey rates 25 UK gas and electricity suppliers through the biggest publicly available survey of its kind.
Fact sheets on each of the energy suppliers
Information on each UK energy supplier, including fuel mix and a list of current available tariffs.
Compare and switch suppliers
Tired of poor customer service from your energy supplier? See how customers rated 23 of the UK's gas and electricity suppliers in our latest survey.
As part of an Ofgem led project, the GB gas registration system is being updated from 23rd May to 5th June. During this time you can make a switch request, but it will be unable to be processed by your supplier. Delays may vary by supplier. Tariff updates are provided by Energylinx. Energylinx is fully accredited to Ofgem�s Confidence Code.
Which? Switch provides consumers with a transparent and impartial way to compare energy tariffs and find the best gas and electricity provider for your needs.