EDF is a major UK energy supplier owned by the French state energy company. They are the UK largest generator of low-carbon electricity, operating nuclear power stations alongside wind and solar assets.
Founded
2003
Headquarters
London
Customers
3.5 million
Green Rating
Good
EDF Energy is the UK arm of Electricite de France, the French state-owned energy company. They supply gas and electricity to approximately 3.5 million UK customer accounts and are the country largest generator of zero-carbon electricity through their nuclear fleet.
EDF offers fixed-rate and variable tariffs for residential customers. Their fixed deals typically run for 12 or 24 months. They also offer GoElectric tariffs designed for households with electric vehicles or heat pumps, featuring cheaper overnight rates.
EDF operates a fleet of nuclear power stations across the UK, generating around 15% of the country electricity. They are building Hinkley Point C, the first new nuclear station in a generation, and investing in offshore wind capacity.
EDF offers a green tariff option where electricity is matched with renewable certificates. Their own generation mix is predominantly nuclear (low-carbon but not renewable), supplemented by growing wind and solar capacity.
EDF supplies energy across Great Britain. Compare their plans in these areas:
EDF is a reliable energy supplier with competitive fixed-rate tariffs. Their customer service has received mixed reviews, but they benefit from being one of the UK largest electricity generators with a strong low-carbon generation portfolio.
EDF generation is predominantly nuclear, which is low-carbon but not technically renewable. They do offer green tariff options backed by renewable energy certificates, and they are investing in offshore wind and solar generation.
Yes, EDF offers GoElectric tariffs designed for electric vehicle owners. These provide cheaper overnight electricity rates for home charging, typically between midnight and 7am, which can significantly reduce EV running costs.
Supplier data sourced from Ofgem and Citizens Advice. Last updated April 2026.
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