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EDF energy

EDF Energy

EDF Energy is one of the largest electricity generators and suppliers in the UK.

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Who are EDF Energy?

They produce around 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.

EDF Energy was created in 2003, five years after French energy company EDF Group (Électricité de France) bought Seeboard, London Energy and SWEB Energy.

EDF Energy customer satisfaction scores

EDF Energy came fourth out of eight suppliers in the 2017 uSwitch Energy Awards (the supplier ranked second among the big six suppliers).

The customer service rating is based on an independent YouGov survey that was conducted between 27th October and 1st November 2016. A total of 5,028 UK energy consumers were asked their opinions on a wide range of issues relating to satisfaction with their energy suppliers. The figures have been weighted and are representative of all UK adults (18+).

Recent price changes from EDF Energy and all big six energy suppliers

In December 2016, EDF Energy announced it would cut variable and prepayment gas prices for the winter, yet raise variable electricity prices in March 2017.

Under the plan, variable gas prices will be cut by 5.2%, and prepayment customers receive a cut of 12.9% to their gas costs in January 2017 (EDF notes that this is three months ahead of the requirement to cap prepayment prices set forth by the Competition and Markets Authority).

However, in March 2017, the cost of variable rate electricity will rise by 8.4% for customers. This makes for a combined price change of an increase of 1.2%.

While the big six supplier has ensured no price rises through the cold winter months, the price rise was disappointing news, according to uSwitch Energy Expert Claire Osborne:

"It's good news that customers are getting some respite going into the winter months, but it’s disappointing to see EDF already committing to price rises in March that will make them the most expensive variable tariff of the big six. Increasing the price of an already high energy bill could leave almost two million EDF standard variable customers buckling under the pressure, and it’s a bitter pill to swallow even if it is after the winter months – consumers still need to keep the lights on."


The table below shows which of the big six energy suppliers, including EDF Energy, last raised and dropped their prices, and when:

Supplier Date effective Avg price change (%)

EDF Energy

1 March 2017 Up-arrow1.2%


26 April 2017 Up-arrow9%

British Gas

through July 2017 Price freeze


31 March 2017 Up-arrow7.8%


28 April 2017 Up-arrow7%


16 March 2017 Up-arrow9.8%

*Based on a medium energy user on a standard dual fuel tariff, paying on receipt of bill, with bill sizes averaged across all regions.

In late January 2015, EDF Energy announced that it drop the price of its dual fuel standard plans by 1.3%, effective 11 February.

They were the final of the big six to announce a price cut in 2015, and it brought the cost of their standard dual fuel plan down to £1,155 — a cut of £9 a year.

EDF Energy prices went up by 3.9% on the 3 January 2014, for the company's gas and electricity customers. The energy supplier was the fifth of the big six to announce price hikes and primarily blamed a combination of rising distribution charges, smart meter installation costs and renewable obligations, for the increase.

Why we like EDF Energy

In total, EDF Energy supply energy to around 5.5 million customers, both businesses and households, making it the nation's largest supplier of electricity by volume.

EDF Energy, as well as being one of the biggest energy suppliers in the UK overall, is also the UK's biggest producer of low-carbon electricity.

EDF Energy produce around 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 gas, coal and nuclear power stations.

EDF Energy operate eight nuclear power plants across the UK, which helps make it the largest low-carbon producer.

The company also plans to build up to four more nuclear power plants in future, which could help to generate 40% of the low-carbon electricity, if built.

EDF Energy was the energy and sustainability partner of the London 2012 Olympic and Paralympic games.

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