Green Gas Support Scheme and Green Gas Levy

Green Gas Support Scheme (GGSS)

If you’ve got a question while applying or once you’ve joined for the Green Gas Support Scheme, our customer service team will be happy to help.

You can contact us by email at

Telephone: 0300 303 5997

Please have your application number ready when you get in touch. You’ll be given a reference number when you create an application for the scheme.

Complaints and Feedback

We’re keen to receive feedback about the scheme so please email us with comments and suggestions.

For complaints please see the Complaining about Ofgem page

Requesting a Statutory Review

If we’ve made any decision for the Green Gas Support Scheme (GGSS) that you think is incorrect (eg, rejecting your application) you can request a statutory review.

To start the statutory review process, the Authorised Signatory must send an email to In it the Authorised Signatory must specify:

  • The decision you wish to be reviewed
  • Provide the reasons why the decision should be reviewed (please provide as much detail as possible)
  • Provide us with evidence to support the request, such as relevant supporting documents/information and a chronology of important dates, which we will take into consideration during the review process.

We can only accept review requests from the Authorised User’s email account.

A statutory review and all supporting evidence must be submitted within 28 days of the decision being made by Ofgem.

Green Gas Levy

If you’ve got a questions about the Green Gas Levy, our customer service team will be happy to help. 

You can contact us by email at