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.

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Fact sheets on each of the energy suppliers

Information on each UK energy supplier, including fuel mix and a list of current available tariffs.

Supplier A - Z

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Energy Customer Satisfaction Results

Tired of poor customer service from your energy supplier? Use our Which? energy satisfaction survey results to help find the best tariff for you.

Latest tariff updates

Tariff updates are provided by Energylinx. Energylinx is fully accredited to the Confidence Code to compare energy for domestic consumers.

About Which? Switch

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.

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