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Auditors for the Renewables Obligation (RO) Cost to Exchequer

DESNZ

This public procurement record has 1 release in its history.

Award

25 Aug 2026 at 14:31

Award Notice
Summary of the contracting process

The Department for Energy Security and Net Zero (DESNZ) procured independent audit and assurance services for the Renewables Obligation (RO) Cost to Exchequer. The work is to verify that RO cost reductions funded by the Exchequer are applied accurately by energy suppliers and passed through to consumers. This is an energy and related services requirement, with the main category being professional services. Delivery covers the United Kingdom, the Channel Islands, the Isle of Man, British Overseas Territories, Europe and the rest of the world. The buyer is based in London. The requirement is relevant to audit, assurance and financial review businesses with experience of energy suppliers, regulated energy schemes, public funding and checking that cost reductions are correctly calculated and transferred to consumers.

The procurement is complete and was awarded through a selective call-off from a framework agreement. The tender deadline was 22 April 2026 at 12:00. The award was made on 8 June 2026. The contract runs from 5 August 2026 to 5 August 2027. The awarded value is £3,000,000. Grant Thornton UK LLP is the primary supplier and PricewaterhouseCoopers LLP is the secondary supplier. The published award covers both suppliers. The opportunity was identified as suitable for small and medium-sized enterprises and not reserved for voluntary, community or social enterprises. The evaluation basis is reflected through the framework call-off route, with the selected suppliers providing the required audit and assurance capability for the specified energy-cost verification work.

This award demonstrates demand from DESNZ for independent assurance of how energy suppliers apply and pass on government-funded reductions under the Renewables Obligation. Businesses competing when this requirement returns would need credible audit and assurance capability, supported by robust financial controls, evidence-based testing and the ability to review supplier calculations and downstream consumer pass-through. Experience of the energy market, regulated obligations, public-sector assurance or complex multi-party financial flows would be directly relevant. Suppliers would also need sufficient capacity to work across the United Kingdom, the Channel Islands, the Isle of Man, British Overseas Territories, Europe and other international locations covered by the requirement. The procurement was considered suitable for SMEs, so specialist firms with the necessary expertise and delivery capacity may be well placed to compete.

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Notice Information

Notice Title

Auditors for the Renewables Obligation (RO) Cost to Exchequer

Notice Description

Provision of independent audit and assurance services to verify that Renewable Obligations (RO) cost reductions funded by the Exchequer have been accurately applied by energy suppliers and passed through to consumers

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-b5fd17-b6df5670-4671-4386-bdd0-8225c81e9d39
Publication Source
Contracts Finder
Latest Notice
https://www.contractsfinder.service.gov.uk/Notice/ffa9dd6c-4d02-4c37-8587-f85118c9a6a1
Current Stage
Award
All Stages
Award

Procurement Classification

Notice Type
Award Notice
Procurement Type
Framework
Procurement Category
Services
Procurement Method
Selective
Procurement Method Details
Call-off from a framework agreement
Tender Suitability
SME
Awardee Scale
Large

Common Procurement Vocabulary (CPV)

CPV Divisions

71 - Architectural, construction, engineering and inspection services

CPV Codes

71314000 - Energy and related services

Notice Value(s)

Tender Value
£3,000,000 £1M-£10M
Lots Value
Not specified
Awards Value
£3,000,000 £1M-£10M
Contracts Value
Not specified

Notice Dates

Publication Date
25 Aug 20262 days ago
Submission Deadline
22 Apr 2026Expired
Future Notice Date
Not specified
Award Date
8 Jun 20262 months ago
Contract Period
5 Aug 2026 - 5 Aug 2027 1-2 years
Recurrence
Not specified

Notice Status

Tender Status
Complete
Lots Status
Not Specified
Awards Status
Active
Contracts Status
Not Specified

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
DESNZ
Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
LONDON
Postcode
SW1A 2EG
Postcode Area
South West London
Country
England
Major Region (ITL 1)
TLI London
Basic Region (ITL 2)
TLI3 Inner London - West
Small Region (ITL 3)
TLI35 Westminster and City of London
Delivery Location
Not specified
Local Authority
Westminster
Electoral Ward
St James's
Westminster Constituency
Cities of London and Westminster

Supplier Information

Number of Suppliers
2
Supplier Names

Grant Thornton UK LLP

PricewaterhouseCoopers LLP

Further Information

Open Contracting Data Standard (OCDS)

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The Open Contracting Data Standard (OCDS) is a framework designed to increase transparency and access to public procurement data in the public sector. It is widely used by governments and organisations worldwide to report on procurement processes and contracts.

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