Company: NEWEN
Filing Date: 2025-11-06
Form Type: 6-K
Source: 0001654954-25-012622
Chunk: 6

Company: NATIONAL GRID PLC
Filing Date: 2025-11-06
Form: 6-K
Chunk 6
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 through smarter procurement, operational efficiencies across our shared sites, and integration of support functions into the Group.

During the half-year, we have made significant progress in securing the supply chain for our capital programme, with over three quarters of our £60 billion investment plan now underpinned by delivery mechanisms.

In the UK, we have focused on securing the procurement for our ASTI projects where we remain in a strong position, as well as progressing public consultations and planning for those projects. We have:

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finalised framework agreements to support the delivery of the offshore HVDC projects including a £21 billion cable framework with six suppliers, a £25 billion converter station framework, and in August 2025 we signed a £12 billion framework agreement covering HVDC project civils work;

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allocated all of our onshore Wave 2 work to partners under our £9 billion Great Grid Partnership;

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focused on finalising procurement contracts for the remaining Wave 2 offshore projects, which includes:

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the Sea Link project, where we have awarded the converter station contract to Siemens Energy, and the HVDC cable contract to Sumitomo Electric;

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EGL3, where we have selected Hitachi as the preferred bidder for converter stations, and NKT as preferred bidder for the HVDC cables contract (we expect to sign contracts by the end of the financial year);

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EGL4, where we have awarded the converter station contract to Siemens Energy, and we expect to award the HVDC cable contract to Prysmian by the end of the financial year;

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progressed public consultations on EGL3 and 4, and Grimsby to Walpole ASTI projects; and

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had Development Consent Order (DCO) applications accepted by the Planning Inspectorate for our Sea Link and Norwich to Tilbury ASTI projects.

In July 2025, we also signed an £8 billion Electricity Transmission Partnership (ETP) with seven regional delivery partners to deliver substation infrastructure across UK Electricity Transmission in support of work to deliver the RIIO-T3 business plan. This agreement unlocks long-term supply chain capacity and skills across England and Wales, and awards regional exclusivity of substation work to partners based on how well they perform and their commitment to expanding their capacity.

We have also progressed strategic initiatives supporting our US regulated businesses. During the half year, we have:

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filed all permit applications for our Climate Leadership and Community Protection Act (CLCPA) Phase 1 and