Source: https://tendernation.io/opportunities/01a13bb1-ec07-7054-9d66-f5ab2ba428f5/hvdc-major-works-civils-framework awarded GB restricted procedure # HVDC Major Works & Civils Framework [National Grid UK Limited](https://tendernation.io/buyers/national-grid-uk-limited) Estimated value £12,770,000,000 Published 21 Aug 2025 Deadline Closed 15 Jan 2024 ## Who can bid - Split into 2 lots You can usually bid for just the lots you can deliver. - Sets up a framework Winning a place does not guarantee work: contracts are awarded later as call-offs, and the list usually stays closed for years. ## About this tender National Grid is an international Electricity and Gas Network Company and one of the largest investor-owned energy companies in the world, based in the United Kingdom with operations in the north-east of the United States of America. National Grid is looking to establish a multi-year High Voltage Direct Current (HVDC) Major Works & Civils Framework, primarily to service its growing HVDC requirements. The scope of this Procurement includes c.15 HVDC projects; certain projects, and other identified projects that it is currently anticipated will be of similar size and value and will be identified as infrastructure to enable the connection of 50GW of Offshore Wind by 2030 and Net Zero by 2050. The scope also comprises other as-yet unidentified additional major HVDC projects, the precise location and nature of which is not yet known but which will share the same key features as the other projects. National Grid's HVDC Major Works & Civils Framework includes but is not limited to civil engineering & construction works for National Grid's High Voltage Direct Current project portfolio, including construction of converter stations and installation of UHV cable. NGUK issued a contract notice with publication reference 2023/S 000-035469 on 1 December 2023 National Grid reserves its rights to utilise different procurement routes for converter civil works (i.e., turnkey delivery through the HVDC Converter Systems Framework) and cable civil works (i.e., turnkey delivery through the HVDC Cable Framework) on a project-by-project basis. Read full description ## CPV classification Construction work Works for complete or part construction and civil engineering work Building installation work Installation services of electricity distribution equipment Construction work for electricity power lines Ancillary works for pipelines and cables Source Find a Tender (UK) · Notice ocds-h6vhtk-0420f1-2025-08-21T09:57:28+01:00 [View official notice](https://www.find-tender.service.gov.uk/Notice/ocds-h6vhtk-0420f1-2025-08-21T09:57:28+01:00) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. Free to start. [Track tenders free](https://tendernation.io/register) [Buyer profile National Grid UK Limited: past awards and live tenders](https://tendernation.io/buyers/national-grid-uk-limited) [Sector More Construction work tenders](https://tendernation.io/sectors/construction-work) ## More tenders like this [Bannister Sports Centre Athletic Track Soft Market Testing Exercise · Harrow Council · 38 days left · 26 Nov 2026](https://tendernation.io/opportunities/01a1540d-d9e4-71cb-ad57-1603e9042fec/bannister-sports-centre-athletic-track-soft-market-testing-exercise) [Treloweth Community Hall Alterations and Extension Project · Carn Brea Parish Council · 49 days left · 7 Dec 2026](https://tendernation.io/opportunities/01a154e4-4991-71db-baac-ffae413f1c41/treloweth-community-hall-alterations-and-extension-project) [Norwich City Verges Mowing 2026 · Norse Eastern Ltd · 30 days left · 18 Nov 2026](https://tendernation.io/opportunities/01a15476-5fd9-70eb-b920-a66dc3e661e1/norwich-city-verges-mowing-2026) [Gwasanaethau Toeau - Gwaith cyfalaf wedi'i gynllunio ac atgyweiriadau ymatebol / Roofing Services - Planned capital works and responsive repairs · Denbighshire County Council · 28 days left · 16 Nov 2026](https://tendernation.io/opportunities/01a15476-6094-72b9-928b-5c887e7ceea4/gwasanaethau-toeau-gwaith-cyfalaf-wedii-gynllunio-ac-atgyweiriadau-ymatebol) [Repair of St Michaels and All Angels Church Wall · Aylsham Town Council · 31 days left · 19 Nov 2026](https://tendernation.io/opportunities/01a15476-6316-7235-8948-8f108b3da399/repair-of-st-michaels-and-all-angels-church-wall) [Building Minor Works · Derbyshire Support and Facilities Services Limited · 25 days left · 13 Nov 2026](https://tendernation.io/opportunities/01a15408-9087-7003-bd47-df7bc19d7ff7/building-minor-works)