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Key information about Eon

Company history

How to contact Eon

There are a number of ways you can contact E.ON. These are:


You can write to E.ON at the following address:

Customer Service Centre
PO Box 7750

Opening times

Lines are open 8am-8pm weekdays, and 8am-6pm Saturdays.

If you wish to make a complaint, please use the following contact numbers:

  • If you have a general complaint call 0345 052 0000
  • If your complaint is about a smart meter account, call 0345 366 5973
  • If you have a moving home complaint you can call 0345 303 3020
  • If you’re a prepayment customer and have a complaint please call 0345 303 3040

Head office

A map showing their head office location can be found below.

Compare, switch & save up to £450.42* per year on your energy

Help for low income families or those in debt

Warm Home Discount Scheme

Further Information

Fuel Sources

Ofgem requires all energy companies to tell their customers the sources they use for their electricity.

Current Eon tariffs

Eon offer a number of fixed and variable tariffs.


Eon has an ‘Average’ Trustpilot rating of 3.4 out of 5 stars based on 36,726 customer reviews.

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