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.
To compare Eon energy prices please visit Which? Switch or call 01992 822867 (Mon-Fri, 9am-6pm).
Eon fuel mix disclosure
All suppliers have to provide information about the mix of fuels they use to generate the electricity supplied to their customers, together with its environmental impact.
Eon fuel mix
- Coal 30.2%
- Natural Gas 49%
- Nuclear 5.8%
- Renewable*11%
- Other 4%
* 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.
Contact Information
Customer service for switching customers inquiries - 0345 301 4905
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
E-ON Energy Discount
- Loyatly annual cash rewards or Tesco Club Card points are available with this tariff, these are not included in our calculations, please contact E-ON for further information.
- Cancellation fee of £5.00 per single fuel
| E-ON Energy Discount tariff history |
| | Jan 2011 | Aug 2011 | Mar 2012 | Jan 2013 |
| Avg. annual price | £1,029 | £1,186 | £1,157 | £1,219 |
Age UK Energy Fixed 1 Year v3
- Fixed prices for 12 months
- Only available to people aged 60+
- No termination fees
- Both - paper and online billing options available
E-ON Energy Plan (Standard)
- Standard electricity and gas from Eon
- No cancellation fee
- No standing charge
| E-ON Energy Plan (Standard) tariff history |
| | Jan 2011 | Aug 2011 | Jan 2012 | Jan 2013 |
| Avg. annual price | £1,033 | £1,189 | £1,159 | £1,260 |
E-ON Prepayment
- No mains discount applies to Eastern, East Midlands and North West England.
- Loyalty cash rewards or Tesco Club Card points available with this tariff.
| E-ON Prepayment tariff history |
| | May 2011 | Sep 2011 | Jan 2012 | Jan 2013 |
| Avg. annual price | £1,076 | £1,238 | £1,206 | £1,337 |
E-ON Energy Fixed 1 Year v3
- Fixed prices for 12 months
- Both - online and paper billing options available
- Termination fee of £5 applies
- Loyalty cash rewards or Tesco Club Card points available with this tariff
E-ON Energy Fixed 2 Year v3
- Fixed prices for 24 months
- Both - online and paper billing options available
- Termination fees of £10 per fuel apply
- Loyalty annual cash rewards or Tesco Club Card points available