Letter to complain to an energy supplier

If you're having problems with your energy supplier, you can use this template letter to write your complaint. You might be complaining about:

• poor customer service

• an incorrect bill

• problems with your meter

There are different template letters you can use if your complaint is about:

• a bill for usage from over 12 months ago

• paying back money you owe

• switching supplier if you have a prepayment meter

• being mis-sold energy

Check out other energy template letters.

We don’t send your letter for you. Once you’ve written it you’ll need to send it to your supplier. 

Writing your letter

First you’ll need to fill in a form with some details about your problem. Then we’ll use your answers to create your letter. 

To write your letter you’ll need:

• your account number

• your energy supplier’s name and address

• dates of any other complaints you’ve made about this problem

• complaint reference numbers, if you have any

• a few sentences explaining your problem

We won’t store your information. If you go to another webpage before you’ve finished your letter, your answers will be deleted.

Press ‘preview’ to check your letter. If you’d like to change anything, press ‘edit’ to be taken back to the form.

Sending your letter

There are different ways you can send your letter to your supplier. You can:

•  download it and attach it to an email

•  download it and print it out to send in the post

•  copy and paste it into an email or web form

You should save a copy of the letter for your records.

Check how to send your letter to your energy supplier.

If you need more detailed advice and guidance, contact the Citizens Advice consumer service.