Exemptions from the Green Gas Levy (GGL): approved biomethane certification schemes
Updated 22 December 2023
Applies to England, Scotland and Wales
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The Green Gas Levy (GGL) applies to all licensed fossil fuel gas suppliers.
There is an exemption for gas suppliers that can evidence that they have provided at least 95% biomethane using green gas certificates from a recognised certification scheme.
BEIS has a regulatory duty under Regulation 38(14) of the Green Gas Support Scheme Regulations 2021 to approve and publish the name of at least one biomethane certification scheme for the purposes of this exemption, and the date the schemes are approved from.
The following biomethane certification schemes are approved for the purposes of the Green Gas Levy exemption mechanism:
- the Green Gas Certification Scheme, run by Renewable Energy Assurance Ltd
- the Biomethane Certification Scheme, run by Green Gas Trading Ltd
To find out more about how a biomethane certification scheme can be approved for the purposes of the Green Gas Levy exemption, please contact greengassupport@beis.gov.uk.
See Ofgem’s guidance for more information about the exemption mechanism.