If you’re unhappy with the service provided and you wish to make a complaint, please contact us so we can resolve the issue.

You can make a complaint by:

  • Calling us on 0800 520 0101 (Monday to Friday 8am to 6.30pm, and Saturday between 9am and 1pm)
  • Emailing us at
  • Writing to us at Green Network Energy Complaints Department, Po Box 2143, Croydon, CR90 9RZ

Our response

We aim to provide a resolution or an update within five working days. But if this is likely to take longer, we’ll let you know.

To find out more, please view our Complaints Policy.

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