Northern Ireland Non-Domestic Renewable Heat Incentive
About the scheme
The Northern Ireland Non-Domestic Renewable Heat Incentive (NI NDRHI) was designed to increase the uptake of renewable heat technologies and reduce carbon emissions. The scheme closed to new applicants on 29 February 2016.
Who runs the scheme
The Department for the Economy is responsible for the policy and tariffs for the Northern Ireland Non-Domestic Renewable Heat Incentive.
Ofgem administers this scheme on behalf of the Department for the Economy. Our responsibilities include processing amendments made to accredited installations, managing accounts and processing payments.
Who is responsible for the scheme
The Department for the Economy is responsible for the policy and tariffs for the Northern Ireland Non-Domestic Renewable Heat Incentive.
Ofgem administers this scheme on behalf of the Department for the Economy. Our responsibilities include processing amendments made to accredited installations, managing accounts and processing payments.
Ofgem’s role from 1 September 2026
From 1 September 2026, responsibility for the administration of the Northern Ireland Non-Domestic Renewable Heat Incentive transferred to the Department for the Economy.
Ofgem now only carries out limited residual activity needed to complete payments and related processing for quarterly meter reading periods ending on or before 31 August 2026.
Ofgem will stop carrying out this residual administration activity by 30 November 2026.
For queries about scheme activity from 1 September 2026 onwards, or future scheme arrangements, contact the Department for the Economy at rhimanagement@economy-ni.gov.uk.
Final payments from Ofgem
Ofgem will process final periodic support payments for quarterly meter reading periods ending on or before 31 August 2026, where the required data was submitted within the relevant deadline.
Meter readings must be submitted within one calendar month of the date they were due.
This is an absolute deadline. You will not receive payment for any meter readings submitted after the cut-off date of 1 calendar month after the date your meter reading(s) were due.
Example deadlines
Access to the RHI Register after 1 September 2026
Access to the Ofgem Non-Domestic RHI Register remains available. Once the final periodic data submission for your installation has been processed, and any associated activity has been completed, your installation account will be changed to read-only status.
This means you will still be able to view information associated with your installation, including previously submitted data and records. However, you will no longer be able to submit new data, meter readings or amendments for that installation through the RHI Register.
These changes will be introduced gradually and may not take effect immediately. Please do not submit activity relating to periods after 31 August 2026 through the RHI Register, as Ofgem will not process it.
For data, amendments or queries relating to activity after 31 August 2026, contact the Department for the Economy at rhimanagement@economy-ni.gov.uk.
Contact us
Contact us for queries relating to activity that was submitted to Ofgem on or before 31 August 2026 and or for final periodic support payments for quarterly meter reading periods ending on or before 31 August 2026.
Tel: 0300 003 2289
Email: rhi.enquiry@ofgem.gov.uk
Contact the Department for the Economy for queries related to:
- Scheme administration from 1 September 2026 onwards
- Amendments, changes in circumstances or account updates that were not submitted to Ofgem on or before 31 August 2026
- Meter readings, data or scheme activity relating to periods after 31 August 2026
- Future arrangements for the scheme
- Scheme policy, tariffs and guidance
Email: rhimanagement@economy-ni.gov.uk.