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Making a complaint

What’s the Climate Change Levy (CCL) doing on your business energy bill?

COVID-19 Update

We are sorry you have a reason to complain. Sometimes things can go wrong and, if this happens, we want to work with you to reach a resolution that you’re happy with.

Following the government guidance and to protect our employees our complaints team is currently home based.

Please be patient with our response times, delays are likely, and we will respond as quickly as possible.

If you have a complaint, please contact us as soon as you can so that we can put things right as quickly as possible.

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You can find this in the top right-hand side of your most recent bill.
Use this box to give us more details about your complaint.

Call us

0800 630 0841 Our UK call centre is open Monday to Friday, 9am to 5pm.

Email us We will respond within five working days of receiving your email.

Send a letter

You can also write to us at Energy Relationship Team, Opus Energy House, 8-10 The Lakes, Northampton, NN4 7YD.

Complaints charter

Standards of conduct