---
title: "HVDC Converter Systems Framework"
ocid: "ocds-h6vhtk-0420f2"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-0420f2"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-0420f2.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-0420f2.json"
source: "Find A Tender Service"
current_stage: "Award"
buyer: "NATIONAL GRID UK LIMITED"
published: "2025-03-13"
---

# HVDC Converter Systems Framework

Buyer: NATIONAL GRID UK LIMITED  
Current stage: Award  
OCID: ocds-h6vhtk-0420f2

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[Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-0420f2.json)

## Summary

National Grid UK Limited has completed the procurement process for a HVDC Converter Systems Framework, aimed at supporting high voltage direct current (HVDC) converter projects across the UK. The initiative, classified under construction work (CPV: 45000000) and electricity distribution, involves the supply, installation, and maintenance of HVDC converter station technology and equipment. This framework adopts a selective procurement method, utilising a negotiated procedure with a prior call for competition, and is designed to cater to multiple projects over the course of 60 months with the option to extend for up to 36 months. Key suppliers for these projects include UK Grid Solutions Limited, Hitachi Energy Sweden AB, Hitachi Energy UK Limited, Mitsubishi Electric Europe B.V., Siemens Energy Global GmbH & Co KG, and Siemens Energy Limited.

This framework presents substantial opportunities for businesses, especially those specialising in electrical engineering, construction, and maintenance services. The procurement is particularly suited for large scale enterprises equipped to provide turnkey solutions including major civil works and sophisticated electrical installation. Companies with expertise in creating collaborative partnerships for delivering complex infrastructure projects will benefit greatly as National Grid is prioritising collaboration with multiple entities and joint ventures. This contract will help these businesses expand their footprint in the UK's growing HVDC sector, facilitating substantial economic growth through the development of critical infrastructure to support the nation's renewable energy targets.

## Notice

NGUK issued a contract notice with publication reference 2023/S 000-035470 on 1 December 2023, with a view to establishing a multi-year, multi-supplier framework enabling the procurement of high voltage direct current (HVDC) converter projects which include: (i) the supply and installation of converter systems including design, manufacture, installation, and testing of HVDC converter station technology and equipment, which may include front-end engineering design services in relation to any or all of the same; (ii) turnkey solution including civils and major works; and (iii) maintenance services

### Lot Information

Lot 1

NGUK issued a contract notice with publication reference 2023/S 000-035470 on 1 December 2023, with a view to establishing a multi-year, multi-supplier framework enabling the procurement of high voltage direct current (HVDC) converter projects which include: (i) the supply and installation of converter systems including design, manufacture, installation, and testing of HVDC converter station technology and equipment, which may include front-end engineering design services in relation to any or all of the same; (ii) turnkey solution including civils and major works; and (iii) maintenance services The HVDC Converter Framework enables any of the following entities to issue Call Off Documents in accordance with the procedure set out within the Framework Agreement: (a) NGUK and/or any Affiliate of NGUK; (b) any Project Partner who, jointly with NGUK and/or any Affiliate of NGUK (as the case may be), issues a Call Off Document; and/or (c) any special purpose vehicle, incorporated joint venture or contractual joint venture between any of the entities listed in Paragraphs (a) and (b)

Options: The initial Framework duration is 60 (sixty) months, with the option to extend for up to 36 (thirty-six) months via single or multiple fixed terms

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/009131-2025 |
| Notice type | Tender Notice |
| Procurement type | Framework |
| Procurement category | Works |
| Procurement method | Selective |
| Procurement method details | Negotiated procedure with prior call for competition |
| Tender suitability | Not specified |
| Awardee scale | Large |
| All stages | Tender, Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 13 Mar 2025 |
| Submission deadline | 15 Jan 2024 |
| Future notice date | Not specified |
| Award date | 24 Feb 2025 |
| Contract period | Not specified |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £24,600,000,000 |
| Lots value | Not specified |
| Awards value | Not specified |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Complete |
| Lots status | Cancelled |
| Awards status | Active |
| Contracts status | Active |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | NATIONAL GRID UK LIMITED |
| Locality | LONDON |
| Post town | Central London |
| Postcode | WC2N 5EH |
| Country | England |
| ITL 1 | TLI London |
| ITL 2 | TLI3 Inner London - West |
| ITL 3 | TLI35 Westminster and City of London |
| Local authority | Westminster |
| Electoral ward | St James's |
| Westminster constituency | Cities of London and Westminster |
| Delivery location | Not specified |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 6 |
| Supplier names | HITACHI ENERGY; HITACHI ENERGY SWEDEN; MITSUBISHI ELECTRIC EUROPE; SIEMENS ENERGY; SIEMENS ENERGY GLOBAL; UK GRID SOLUTIONS |

## CPV Codes

### Divisions

- 31 - Electrical machinery, apparatus, equipment and consumables; lighting
- 45 - Construction work

### Codes

- 31200000 - Electricity distribution and control apparatus
- 31600000 - Electrical equipment and apparatus
- 45000000 - Construction work

## Release History

- 13 Mar 2025 at 09:31 - Award - Award Notice - https://www.find-tender.service.gov.uk/Notice/009131-2025
- 1 Dec 2023 at 12:12 - Tender - Tender Notice - https://www.find-tender.service.gov.uk/Notice/035470-2023

## Notice URLs

- https://service.ariba.com/
- https://www.nationalgrid.com/

## 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-0420f2. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-0420f2.json.