--- title: "2024-133 RIIO-3 Independent Technical Adviser" ocid: "ocds-h6vhtk-0550e3" canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-0550e3" markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-0550e3.md" json_url: "https://d3tenders.com/contract/ocds-h6vhtk-0550e3.json" source: "Find A Tender Service" current_stage: "Award" buyer: "OFGEM" published: "2026-07-03" --- # 2024-133 RIIO-3 Independent Technical Adviser Buyer: OFGEM Current stage: Award OCID: ocds-h6vhtk-0550e3 [View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-h6vhtk-0550e3) [Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-0550e3.json) ## Summary 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. ## Notice 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. ## Key Details | Field | Value | | --- | --- | | Publication source | Find A Tender Service | | Latest notice | https://www.find-tender.service.gov.uk/Notice/062857-2026 | | 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 | | All stages | Planning, Tender, Award | ## Dates | Field | Value | | --- | --- | | Publication date | 3 Jul 2026 | | Submission deadline | 20 Apr 2026 | | Future notice date | 28 Aug 2025 | | Award date | 24 Jun 2026 | | Contract period | 21 Jul 2026 - 21 Jul 2031 | | Recurrence | Not specified | ## Values | Field | Value | | --- | --- | | Tender value | £20,833,333 | | Lots value | £20,833,333 | | Awards value | £20,833,333 | | Contracts value | Not specified | ## Status | Field | Value | | --- | --- | | Tender status | Complete | | Lots status | Complete | | Awards status | Pending | | Contracts status | Not specified | ## Buyer | Field | Value | | --- | --- | | Main buyer | OFGEM | | Locality | LONDON | | Post town | East London | | Postcode | E14 4PU | | Country | England | | ITL 1 | TLI London | | ITL 2 | TLI4 Inner London - East | | ITL 3 | TLI42 Tower Hamlets | | Local authority | Tower Hamlets | | Electoral ward | Canary Wharf | | Westminster constituency | Poplar and Limehouse | | Delivery location | Not specified | ## Supplier | Field | Value | | --- | --- | | Number of suppliers | 3 | | Supplier names | ATKINSREALIS; KELVIN CONSTRUCTION; RRL GROUP | ## CPV Codes ### Divisions - 71 - Architectural, construction, engineering and inspection services ### Codes - 71310000 - Consultative engineering and construction services - 71621000 - Technical analysis or consultancy services ## Release History - 3 Jul 2026 at 13:38 - Award - UK6 - Contract Award Notice - https://www.find-tender.service.gov.uk/Notice/062857-2026 - 15 Apr 2026 at 14:23 - TenderUpdate - UK4 - Tender Notice - https://www.find-tender.service.gov.uk/Notice/034326-2026 - 9 Apr 2026 at 15:50 - TenderUpdate - UK4 - Tender Notice - https://www.find-tender.service.gov.uk/Notice/032595-2026 - 27 Mar 2026 at 15:42 - TenderUpdate - UK4 - Tender Notice - https://www.find-tender.service.gov.uk/Notice/028673-2026 - 25 Feb 2026 at 16:12 - Tender - UK4 - Tender Notice - https://www.find-tender.service.gov.uk/Notice/017065-2026 - 20 Jun 2025 at 12:02 - Planning - UK1 - Pipeline Notice - https://www.find-tender.service.gov.uk/Notice/034054-2025 ## Documents - https://www.find-tender.service.gov.uk/Notice/062857-2026 3rd July 2026 - Contract award notice on Find a Tender - https://www.find-tender.service.gov.uk/Notice/034326-2026 15th April 2026 - Tender notice on Find a Tender - https://www.find-tender.service.gov.uk/Notice/032595-2026 9th April 2026 - Tender notice on Find a Tender - https://www.find-tender.service.gov.uk/Notice/028673-2026 27th March 2026 - Tender notice on Find a Tender - https://www.find-tender.service.gov.uk/Notice/017065-2026 25th February 2026 - Tender notice on Find a Tender - https://www.find-tender.service.gov.uk/Notice/034054-2025 20th June 2025 - Pipeline notice on Find a Tender - https://www.mytenders.co.uk/Authority/NoticeBuilder/NoticeBuilder_FileDownload.aspx?id=632918 Invitation to Tender - https://www.find-tender.service.gov.uk/Notice/Attachment/A-14796 2024-133 Schedule 7 - Call-off Contract supporting document - KPIs - https://www.find-tender.service.gov.uk/Notice/Attachment/A-14797 2024-133 - Final - Ofgem - ITA Call-off [TRACKED VERSION] (30 March 2026) - https://www.find-tender.service.gov.uk/Notice/Attachment/A-14798 2024-133 - Final - Ofgem - ITA Framework Agreement [TRACKED VERSION] (30 March 2026) - https://www.find-tender.service.gov.uk/Notice/Attachment/A-14799 2024-133 Review of Responses to Legal Commentary Process (30 March 2026) ## Notice URLs - http://www.ofgem.gov.uk - https://www.legislation.gov.uk/ukpga/2023/54/contents ## Provenance This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-h6vhtk-0550e3. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-0550e3.json.