GGSS mid-scheme review: extending the scheme (update 21 October 2023)
Updated 4 June 2024
Applies to England, Scotland and Wales
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Extending the Green Gas Support Scheme to 31 March 2028
The Green Gas Support Scheme (GGSS) currently closes to new applications on 30 November 2025. The government is aware of various issues that are affecting the deployment of new anaerobic digestion plants under the scheme, including supply chain delays and challenges in securing food waste feedstocks.
In our GGSS: Mid-Scheme Review consultation, we proposed extending the scheme to 31 March 2026 to address some of these challenges. Following engagement with industry as part of this consultation, it is clear that the proposed extension length would be insufficient to mitigate most of the issues affecting deployment.
Ahead of our full government response being published, we are announcing that the scheme will be extended to 31 March 2028 as part of the Mid-Scheme Review. It is expected that this will provide sufficient time for prospective applicants to apply for and commission on the scheme before it closes.
Full details of the extension, alongside other final policy decisions, will be published in the Mid-Scheme Review government response in due course. Regulations will then be laid in Parliament to implement any scheme amendments, including this extension. The extension will not come into effect until the regulations have been passed and become law. Therefore, in the meantime, scheme duration will remain as is and scheme applicants should continue to set their commissioning dates in line with current scheme deadlines until regulations come into effect.
We are also considering options for a future policy framework for biomethane to follow the closure of the GGSS and intend to publish more details in 2024.