Eon

About Eon
Eon is a wholly-owned subsidiary of Eon, a German company. The company is one of the largest suppliers of gas and electricity to homes in the UK.
Eon was formerly known as Powergen, but took on the name of its parent company in December 2007.
Could you save by switching to Eon? Compare energy prices now.
Eon customer satisfaction survey results
Area of performance | Star rating |
---|---|
Which? customer score |
44% |
Customer service |
|
Value for money |
|
Bills |
|
Complaints |
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Helping you save energy |
|
Eon customer score
In October and November 2013 we surveyed 8,525 UK adults, who pay for their household energy, about their experience with their gas and electricity suppliers. For Eon, we received 1,107 responses.
Customer scores are based on overall satisfaction and likelihood of recommending to a friend. This survey is the largest one of its kind conducted in the UK.
For a full round-up of the Which? Switch energy satisfaction survey results, see our customer satisfaction survey results page.
Eon fuel mix disclosure
All energy suppliers have to provide information about the mix of fuels they use to generate energy supplied to gas and electricity customers, together with its environmental impact.
Eon fuel mix
Coal: 52.2%
Natural gas: 30.7%
Nuclear: 4.7%
Renewable*: 8.4%
Other: 4.0%
* Wind, hydro and solar power.
About Eon Group
Eon Group operates in the UK, America, Austria, Bulgaria, Czech Republic, Denmark, Finland, Hungary, Italy, Netherlands, Poland, Romania, Slovakia, Spain and Sweden. It is the world's largest investor-owned electricity and gas company.
Current tariffs
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Contact Information
Contact number for customers moving home - 0345 303 3020
Contact number for questions about your bill - 0345 052 0000
Contact number for prepayment customers - 0345 303 3010
Contact Which? Switch by phone
You can call us on 01259 220 235.
Energy Customer Satisfaction Results
Tired of poor customer service from your energy supplier? Use our Which? energy satisfaction survey results to help find the best tariff for you.
Latest tariff updates
Tariff updates are provided by Energylinx. Energylinx is fully accredited to the Confidence Code to compare energy for domestic consumers.
About Which? Switch
Which? Switch provides consumers with a transparent and impartial way to compare energy tariffs and find the best gas and electricity provider for your needs.