UK residents can phone E.ON customer services on their national telephone contact number 0345 303 3040 for general enquiries about their gas and electricity supply.
This helpline is suitable for all customer care queries ranging from your energy bills to submitting an accurate meter reading. However please consult the helpful table of contact numbers below if you would prefer to call a specific department directly.
Useful phone numbers for E.ON
| Helpline | Phone number |
|---|---|
| Customer services | 0345 303 3040 |
| International helpline | +44 115 843 4373 |
| Sales and cancellations | 0345 302 3473 |
| Complaints | 0333 202 4606 |
| Home-movers | 0345 303 3020 |
| Billing enquiries | 0345 059 9905 |
| Smart-meter support | 0345 366 5996 |
| Online technical support | 0345 301 5933 |
| Business tariffs | 0333 202 4586 |
| Gas emergency helpline | 0800 111 999 |
| Report a power cut | 105 |
Further contact details
If you would rather write to E.ON instead of phoning their helplines then you can send formal written correspondence as well as documents such as evidence relating to a billing dispute to their UK postal address:
E.ON Customer Service Centre,
PO Box 7750,
Nottingham,
NG1 6WR,
United Kingdom.
However you can get customer service support via the E.ON Twitter page by sending a message using their handle @eonhelp. They can provide assistance between the hours of 8am-8pm Monday-Friday and 8am-6pm on Saturdays.