EDF Energy is a British integrated energy company with operations spanning electricity generation and the sale of natural gas and electricity to homes and businesses throughout the United Kingdom. It employs 13,331 people, and handles 5.7 million customer accounts.

EDF Energy Customers (trading as EDF Energy) is wholly owned by the French state-owned EDF (Électricité de France) and was formed in January 2002, following the acquisition and mergers of SEEBOARD Plc (formerly the South Eastern Electricity Board), London Electricity plc (formerly the London Electricity Board or LEB), SWEB Energy Plc (formerly the South Western Electricity Board) and two coal fired power stations and a combined cycle gas turbine power station.

In 2009, EDF Energy took control of the nuclear generator in the United Kingdom, British Energy, buying share capital from the government. This made EDF Energy one of the largest generators in the United Kingdom, as well as the largest distribution network operator.

On their website, EDF reports that it is currently investing GBP 2 million in Marine Current Turbines, which use tidal power to generate electricity.

In 2007, EDF had an installed renewable energy generating capacity of 1.8MW, representing 0.08% of their total capacity of approximately 4,865MW. In June 2008, EDF announced the formation of EDF Energy Renewables, a 50:50 joint venture with EDF Energies Nouvelles, with the stated intention of becoming a 'major force in the United Kingdom renewable energies market'.

According to Statista, EDF Energy is the most valuable electric company in Europe 2020, with a brand value of 11.907 million US dollar.

According to Statista and en.wikipedia