NDRHI Closure

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The Non-Domestic Renewable Heat Incentive Scheme (NDRHI) in Great Britain is closing to new applicants at the end of midnight on 31 March 2021. The Department for Business Energy and Industrial Strategy (BEIS) has consulted on changes and published decisions in their government response documents which are available on the BEIS website.

Alongside the main closure of the scheme, BEIS propose to introduce a short window for ‘extension applications’ for non-tariff guarantee applications. Applicants can gain entry to the scheme after its closure for a specified amount of time if they are eligible to apply for an extension application.

Ofgem has been working closely with BEIS such that we are able to publish draft versions of new and existing guidance documents for comment prior to the changes taking effect. These draft guidance documents are in line with the Government’s plans for scheme changes and are based on the statutory instrument that has been laid in parliament on 25 January 2021. Details of the eligibility requirements for the extension applications as well as other changes taking effect at the closure of the scheme will be set out in the guidance documents we publish on this page.

Until these legislative changes take effect, the current scheme requirements can be found as normal through the guidance documents available through the existing pages on this website.

Key upcoming closure dates

1 March 2021 Window opens for making an ‘extension application’ for non-tariff guarantee applications.
31 March 2021 Window closes for making an ‘extension application’ for non-tariff guarantee applications.
31 March 2021 The NDRHI scheme closes to all new applicants.

For information about key dates for tariff guarantee applications, see our existing Guide to Tariff Guarantees on our Main Guidance page.

Engagement on the changes

Ofgem will publish guidance documents in draft form for comment. This will include a new document that sets out the requirements for extension applications as well as amended versions of existing guidance documents relevant to the closure of the scheme.

Our customer service team will not be able to answer questions on these draft documents or the closure requirements in advance of the legislative changes taking effect. Each published document will set out the process for stakeholders to engage with us including what we are seeking comment upon, where to send responses to and the deadline for doing so.


Ofgem intend to hold some online stakeholder events in February and March to talk stakeholders through the changes, to gather initial feedback on our proposed administrative approach and accompanying guidance, and answer questions. These will all be online events and we will share more details on this page shortly.