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.
Use the Non-Domestic RHI Register to manage your account
Existing participants may login to the Ofgem Non-Domestic Renewable Heat Incentive Register to:
- manage their account
- amend accredited installations
- submit quarterly periodic data
- submit meter readings
- let us know of changes to their installation
If needed, you can also reset your password via the RHI Register.
We recommend this guide for submitting changes to your installation and updating your record. For example, for support on what a good meter photo looks like.
Ofgem's role is changing
The Department for the Economy (DfE) and Ofgem have agreed a further extension to Ofgem’s administration of the scheme.
Ofgem will now continue administering the scheme under the existing regulations which includes issuing payments on quarterly meter reading dates that are due, up to and including, Friday 31 August 2026.
From 1 September 2026, Ofgem will begin transferring administrative responsibilities to DfE. After this date, Ofgem will only carry out limited activities required to complete payments and associated processes for quarterly meter readings dates ending on or before Friday 31 August 2026.
Ofgem will cease all administration of NI NDRHI scheme activities by Monday 30 November 2026. The previous date of Wednesday 30 September 2026 no longer applies.
This adjustment aims to ensure payments can continue to be made, and support remains available for participants, whilst DfE prepares for scheme transition and closure
Questions related to closure of the scheme should be directed to DfE at rhimanagement@economy-ni.gov.uk
What you need to do before the scheme transfers to DfE
Ofgem will issue payments on quarterly meter reading dates that are due, up to and including, Friday 31 August 2026.
As a scheme participant you need to:
- submit your meter readings on time
- check your records are up to date
- notify Ofgem if there has been any change in circumstances affecting your RHI installation.
Understand your final meter reading deadlines
You must provide your meter reading within one calendar month of the date it is due. This is an absolute deadline.
Example deadlines to help you plan
Payments
Ofgem has agreed to continue to administer periodic support payments on quarterly meter reading dates up to and including Friday 31 August 2026.
We will only begin to process payment once we have received the necessary data.
Keep your records up to date and submit your meter readings on time to ensure a smooth handover.
Meter reading deadlines for final payments
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.
Contact us
Contact us for queries relating to:
- processing amendments made to accredited installations
- making changes to accounts
- submitting meter readings and receiving payments
- requirements of the scheme
Tel: 0300 003 2289
Email: rhi.enquiry@ofgem.gov.uk
Contact the Department for the Economy for queries related to:
- the guidance
- policy for the scheme
- the December 2025 tariff uplift
- any decisions on the future of the scheme including closure
Tel: 028 9052 9900
Email: rhimanagement@economy-ni.gov.uk.