TENDER NDRHI & GGSS STATISTICAL AND TARGETED AUDITS OFGEM
Reference
2026-037
Description
This procurement is for the provision of an audit contractor to perform technical site audits as part of the Non-Domestic Renewable Heat Incentives programme and the Green Gas Support Scheme on behalf of Ofgem.
The overarching requirements of the audit site visit, regardless of Scheme, include the successful tenderer’s auditors to:
- Check the accuracy of data provided to Ofgem. This includes data provided in any reports;
- Securing assurance of compliance with Ofgem’s published guidance and with any procedures or Scheme that Ofgem may have agreed with the participant;
- Detecting non-compliance and fraud, either on the part of the Auditee or those parties with whom they have a contract for delivering their obligations; and
- Detecting departures from good practice that have resulted, or that may result in the incorrect supply of information to Ofgem.
Total value (estimated)
- £433,333 excluding VAT
- £520,000 including VAT
Above the relevant threshold
Contract dates (estimated)
- 1 October 2026 to 1 October 2029
- Possible extension to 1 October 2031
- 5 years, 1 day
Description of possible extension: Optional 2 x 12 month extensions
Main procurement category
Services
CPV classifications
- 90714200 – Corporate environmental auditing services
- 90714400 – Activity specific environmental auditing services
Contract locations
- UK – United Kingdom
Participation
Particular suitability
Small and medium-sized enterprises (SME)
Submission
Enquiry deadline
30 June 2026, 12:00pm
Tender submission deadline
6 July 2026, 12:00pm
Submission address and any special instructions
Tenders may be submitted electronically
No
Award decision date (estimated)
21 August 2026
Award criteria
| Name | Type | Weighting |
|---|---|---|
| Technical | Quality | 80.00% |
| Commercial | Price | 20.00% |
Procedure
Procedure type
Open procedure
Contracting authority
Ofgem
- Public Procurement Organisation Number: PWXD-5991-LZZP
10 South Colonnade
London
E144PU
United Kingdom
Region: UKI42 – Tower Hamlets
Organisation type: Public authority – sub-central government