Compare the UK major gas and electricity suppliers. See ratings, tariff types, green credentials, and customer reviews for each provider.
British Gas is the UK largest energy supplier, part of the Centrica group. They serve around 7 million households across...
Octopus Energy is a fast-growing challenger supplier known for 100% renewable electricity, innovative tariffs, and consi...
EDF is a major UK energy supplier owned by the French state energy company. They are the UK largest generator of low-car...
E.ON Next is the retail brand of E.ON UK, one of the Big Six energy suppliers. They rebranded from E.ON in 2021, focusin...
OVO Energy is a major UK challenger supplier headquartered in Bristol. They acquired SSE Energy Services in 2020, making...
Shell Energy is the UK retail energy arm of Shell plc. They acquired First Utility in 2018 and rebranded it to Shell Ene...
Scottish Power is a Big Six energy supplier owned by Spanish utility Iberdrola. They are the only Big Six supplier to ge...
Utility Warehouse is a multi-service provider offering energy, broadband, mobile, and insurance through a single monthly...
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Compare PlansSupplier data sourced from Ofgem and Citizens Advice. Last updated April 2026.
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