---
title: "Grant of Offshore Transmission Licence for the Hornsea One Project"
ocid: "ocds-h6vhtk-02d3b2"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-02d3b2"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-02d3b2.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-02d3b2.json"
source: "Find A Tender Service"
current_stage: "Award"
buyer: "OFFICE OF GAS AND ELECTRICITY MARKETS"
published: "2021-08-11"
---

# Grant of Offshore Transmission Licence for the Hornsea One Project

Buyer: OFFICE OF GAS AND ELECTRICITY MARKETS  
Current stage: Award  
OCID: ocds-h6vhtk-02d3b2

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## Summary

The procurement process for the grant of an Offshore Transmission Licence for the Hornsea One Project is being managed by the Office of Gas and Electricity Markets (Ofgem), located in London, UK. This complete tender falls under the services category, specifically focusing on the operation of electrical installations. The procurement has taken a selective method through a competitive procedure with negotiation. Key milestones include the award date on 2nd March 2021, with a contract value of £1,175,000,000. The primary supplier, Diamond Transmission Partners Hornsea One Limited, has been awarded the contract.

This tender represents significant opportunities for businesses specialising in electrical installations and related services, particularly those that possess the expertise and resources to manage and maintain offshore transmission assets. Companies involved in energy infrastructure or those seeking to expand into large-scale utility operations will find this contract aligned with their capabilities. With the size and scope of the project, it offers potential for partnerships or new business models in the evolving energy market.

## Notice

The successful bidder of this tender has entered into a transfer agreement for the purchase of offshore transmission assets constructed by the developer to maintain and operate the assets in accordance with the offshore transmission licence and relevant industry codes, standards and agreements. In addition to being granted the offshore transmission licence, the successful bidder has been required to enter into a range of agreements with the generator, any relevant distribution network owners and the National Electricity Transmission System Operator.

### Lot Information

Lot 1

Grant of a 25 year offshore transmission licence for the Hornsea One project

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/019523-2021 |
| Notice type | Award Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Selective |
| Procurement method details | Competitive procedure with negotiation |
| Tender suitability | Not specified |
| Awardee scale | Large |
| All stages | Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 11 Aug 2021 |
| Submission deadline | Not specified |
| Future notice date | Not specified |
| Award date | 2 Mar 2021 |
| Contract period | Not specified |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | Not specified |
| Lots value | Not specified |
| Awards value | Not specified |
| Contracts value | £1,175,000,000 |

## Status

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

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | OFFICE OF GAS AND ELECTRICITY MARKETS |
| 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 | 1 |
| Supplier names | DIAMOND TRANSMISSION PARTNERS HORNSEA ONE |

## CPV Codes

### Divisions

- 65 - Public utilities

### Codes

- 65320000 - Operation of electrical installations

## Release History

- 11 Aug 2021 at 21:45 - Award - Award Notice - https://www.find-tender.service.gov.uk/Notice/019523-2021

## Notice URLs

- http://www.ofgem.gov.uk
- https://ted.europa.eu/udl?uri=TED:NOTICE:534973-2018:TEXT:EN:HTML

## 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-02d3b2. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-02d3b2.json.