EDF Energy are a subsidiary of the EDF group which is one of the biggest energy companies in Europe. EDF is short-hand for Electricite de France and the EDF group are based in Paris, France.
In Britain, EDF Energy was established in 2003. The results of the acquisitions and mergers of SEEBOARD, London Electricity, SWEB Energy and the former Virgin Energy Company. EDF Energy are one of the 'Big Six' suppliers in the United Kingdom, supplying roughly 5.5million consumers throughout the country. They produce one-fifth of the UK's electricity from a variety of sources, including combined heat and power plants and wind farms, as well as the more traditional methods.