Renewables obligation: certificates and generation - November 2026

Renewables obligation: certificates and generation - November 2026 - Accredited official statistics announcement - GOV.UK

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Accredited official statistics announcement

Renewables obligation: certificates and generation - November 2026

Monthly data on the number of certificates issued for generation under the Renewables Obligation.

From:

Department for Energy Security and Net Zero

Published

31 March 2026

Release date:

11 March 2027 9:30am (confirmed)

These statistics will be released on 11 March 2027 9:30am

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# Renewables Obligation Certificate (ROC) issue schedule 2026 to 2027

Publication type: : Guidance

Publication date: : 19 March 2026

Scheme name: : RO

Get emails about this page [Print this page](/guidance/renewables-obligation-certificate-roc-issue-schedule-2026-2027)

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* [Share on Facebook](http://www.facebook.com/share.php?u=https://www.ofgem.gov.uk/guidance/renewables-obligation-certificate-roc-issue-schedule-2026-2027) * [Share on Twitter](https://twitter.com/intent/tweet?text=Renewables%20Obligation%20Certificate%20%28ROC%29%20issue%20schedule%202026%20to%202027&url=https://www.ofgem.gov.uk/guidance/renewables-obligation-certificate-roc-issue-schedule-2026-2027) * [Share on LinkedIn](https://www.linkedin.com/shareArticle?mini=true&url=https://www.ofgem.gov.uk/guidance/renewables-obligation-certificate-roc-issue-schedule-2026-2027)

The deadlines for data submission for the purpose of issuing Renewables Obligation Certificates (ROCs) and the dates by which Ofgem intends to issue ROCs for the period April 2026 to March 2027.

If an operator has problems submitting ROC output data to Ofgem within the timeframes, we should be notified before the relevant date in Column A. If data for Renewables Obligation Certificates (ROCs) is submitted to Ofgem after the date shown in Column A it will be suspended and Ofgem will look to generators to provide reasons as to why the data was submitted late. In these cases, it is unlikely that ROCs will be issued by the date shown in column B.

Micro-generating stations

Operators of micro-generating stations with a declared net capacity of 50 kW or less (or their agents) that have notified Ofgem that they want ROCs to be issued on an annual basis, must provide data for output and input electricity for the period 1 April 2026 to 31 March 2027 by 31 May 2027 at the latest. Our [generator guidance](https://www.ofgem.gov.uk/publications/renewables-obligation-guidance-generators) and [agent guidance](https://www.ofgem.gov.uk/publications/renewables-obligation-guidance-agents-may-2013) provides more information on this.

For individual micro-generating stations in Northern Ireland we provide detailed instructions in the register user guide. In the majority of cases, data should be submitted via the register.

Contact us

In the event of a problem with the register, email us at renewable.outputdata@ofgem.gov.uk. If you need to speak to a member of the Renewables team directly, please call our helpline on 020 7901 7310.

## Main document

[Renewables Obligation Certificate ROC issue schedule 2026 to 2027 [PDF, 107.20KB]](/sites/default/files/2026-03/renewables_obligation_certificate_roc_issue%20schedule_2026_to_2027_20260313153425.pdf)

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