Decommissioning Nuclear Waste Partnership (DNWP)
Buyer: Sellafield Limited
- Published
- 3 November 2025
- Estimated value
- £6,200,000,000
- Place of performance
- UKD11
- Procedure
- Restricted procedure
- Notice number
- 070297-2025
- Reference
- ocds-h6vhtk-03ebdd
- Official source
- Official source
CPV codes
- 45000000Construction work
- 79410000Business and management consultancy services
- 42000000Industrial machinery
- 45315100Electrical engineering installation works
- 71322000Engineering design services for the construction of civil engineering works
- 71320000Engineering design services
- 45210000Building construction work
- 98391000Decommissioning services
Description
Sellafield Ltd is responsible for safely operating and decommissioning Europe's largest, most complex nuclear site, which is home to legacy nuclear facilities that are some of the most hazardous buildings in Western Europe. Sellafield Ltd, through the Decommissioning and Nuclear Waste Partners (DNWP) Framework opportunity, has brought together four partners across four Lots to provide a full suite of expertise and support to deliver decommissioning activities and projects, including asset care. Delivery will be across nuclear facilities on the Sellafield licenced site that are in mix of states including operational, post operation clean out (POCO), decommissioning and demolition. Consequently, the scope of work for the DNWP Framework will include construction delivery, demolition related works, associated technical services (including safety case and design) and waste management with the scope aligned across the following four Lots: • Lot 1 Remediation Partners • Lot 2 Pond Retrievals Partner • Lot 3 Silos Retrievals Partner • Lot 4 Integrated Nuclear Waste Partner
Lots (4)
| Lot | Description | CPV code | Amount |
|---|---|---|---|
| 1 | Lot 1 - Remediation | 45000000 Construction work | — |
| 2 | Lot 2 - Retrievals Ponds | 45000000 Construction work | — |
| 3 | Lot 3 - Retrievals Silos | 45000000 Construction work | — |
| 4 | Lot 4 - Integrated Nuclear Waste | 45000000 Construction work | — |
Awards
| Awarded to | Amount | Date |
|---|---|---|
| Amentum Clean Energy Limited | — | — |
| A2R (Altrad Support Services Limited and AtkinsRéalis UK Limited) | — | — |
| TDA (AtkinsRéalis UK, Amentum Clean Energy, Westinghouse Electric Company UK) | — | — |
| NDS (Altrad Support Services Ltd, Cavendish Nuclear Ltd, Shepley Engineers Ltd) | — | — |
| A2R (Altrad Support Services Limited and AtkinsRéalis UK Limited) | — | — |
Official publications
- FTS · 070297-2025 · 3 November 2025
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Frequently asked questions
- What is the estimated value of this tender?
- The estimated value published by the buyer is £6,200,000,000.
- Who is the buyer of this tender?
- The contracting authority is Sellafield Limited (United Kingdom).
- How can I bid for public tenders in the United Kingdom?
- Bids are submitted through the official public procurement portal in the United Kingdom. El Vínculo helps you find tenders and analyse their documents; submission always happens at the official source.
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