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2024-133 RIIO-3 Independent Technical Adviser

Ofgem

This public procurement record has 6 releases in its history.

Award

03 Jul 2026 at 14:38

UK6 - Contract Award Notice
TenderUpdate

15 Apr 2026 at 15:23

UK4 - Tender Notice
TenderUpdate

09 Apr 2026 at 16:50

UK4 - Tender Notice
TenderUpdate

27 Mar 2026 at 15:42

UK4 - Tender Notice
Tender

25 Feb 2026 at 16:12

UK4 - Tender Notice
Planning

20 Jun 2025 at 13:02

UK1 - Pipeline Notice
Summary of the contracting process

The procurement process led by Ofgem, for the project titled "2024-133 RIIO-3 Independent Technical Adviser", is designed to secure services in consultative engineering and construction as well as technical analysis. Ofgem, a public authority in London, United Kingdom, aims to establish a framework agreement with up to three organisations to provide Independent Technical Adviser services. This role involves offering assurance on the design, procurement, cost, and delivery of load-related projects for electricity transmission owners. The procurement method is an open procedure, and the process has reached the award stage as of 3rd July 2026. The contract period is set from 22nd July 2026 to 21st July 2031, with a total contract value of £25,000,000 GBP.

This tender presents significant opportunities for both SMEs and larger firms, particularly those specialising in technical consulting and engineering services. With bids received from a diverse array of companies like Kelvin Construction Company Limited, AtkinsRealis UK Limited, and RRL Group Limited, the competition emphasises the requirement for flexibility and technical expertise. Businesses capable of delivering high-quality technical and cost assurance services for major electricity infrastructure projects, and able to resource projects flexibly, will find this tender a lucrative opportunity to align with Ofgem's regulatory frameworks and contribute to the enhancement of electricity transmission across the UK.

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Notice Information

Notice Title

2024-133 RIIO-3 Independent Technical Adviser

Notice Description

Ofgem is seeking to appoint up to three organisations to fulfil the role of Independent Technical Adviser (ITA) as part of a framework agreement. The ITA will be an independent body responsible for providing assurance to Ofgem on the design, procurement, cost and overall delivery of selected load-related projects across all electricity Transmission Owners (TOs). The objective of ITA assurance is to support enhanced and accelerated regulatory decision-making and processes.

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-0550e3
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/062857-2026
Current Stage
Award
All Stages
Planning, Tender, Award

Procurement Classification

Notice Type
UK6 - Contract Award Notice
Procurement Type
Framework
Procurement Category
Services
Procurement Method
Open
Procurement Method Details
Open procedure
Tender Suitability
SME, VCSE
Awardee Scale
Large, SME

Common Procurement Vocabulary (CPV)

CPV Divisions

71 - Architectural, construction, engineering and inspection services

CPV Codes

71310000 - Consultative engineering and construction services

71621000 - Technical analysis or consultancy services

Notice Value(s)

Tender Value
£20,833,333 £10M-£100M
Lots Value
£20,833,333 £10M-£100M
Awards Value
£20,833,333 £10M-£100M
Contracts Value
Not specified

Notice Dates

Publication Date
3 Jul 20263 months ago
Submission Deadline
20 Apr 2026Expired
Future Notice Date
28 Aug 2025Expired
Award Date
25 Jun 20263 months ago
Contract Period
22 Jul 2026 - 21 Jul 2031 Over 5 years
Recurrence
Not specified

Notice Status

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

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
Ofgem
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
E14 4PU
Postcode Area
East London
Country
England
Major Region (ITL 1)
TLI London
Basic Region (ITL 2)
TLI4 Inner London - East
Small Region (ITL 3)
TLI42 Tower Hamlets
Delivery Location
Not specified
Local Authority
Tower Hamlets
Electoral Ward
Canary Wharf
Westminster Constituency
Poplar and Limehouse

Supplier Information

Number of Suppliers
3
Supplier Names

Kelvin Construction Company Limited

RRL Group Limited

AtkinsRéalis UK Limited

Further Information

Notice Documents

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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