Decommissioning Nuclear Waste Partnership (DNWP)
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 acr...
Buyer
Sellafield Limited
Value
£4,600,000,000
Published
3 Nov 2025
Closes
9 Oct 2023
Procurement details
Source
Find a Tender
Region
United Kingdom
Procurement method
Selective
Category
Works
Contract starts
Not provided
Contract ends
Not provided
CPV classifications
45000000
Construction work
79410000
Business and management consultancy services
42000000
Industrial machinery
45315100
Electrical engineering installation works
71322000
Engineering design services for the construction of civil engineering works
71320000
Engineering design services
45210000
Building construction work
98391000
Decommissioning services
Lots
Lot 1 Lot 1 - Remediation
£2,000,000,000
Lot 1 will consist of two Remediation Partners. The Remediation value stream will have a growing scope as more and more of the Sellafield site moves from operations into remediation and decommissioning. This will be reflected in a growing investment over the lifetime of the DNWP framework, subject to annual public sector funding constraints. Remediation is a...
Delivery: West Cumbria
Lot 2 Lot 2 - Retrievals Ponds
£1,000,000,000
Lot 2 will consist of a Ponds Partner, encompassing both the First Generation Magnox Storage Pond (“FGMSP”) , associated buildings and the Pile Fuel Storage Pond (“PFSP”). and associated buildings.<br/><br/>Legacy Ponds is the Operating Unit (OU) organisation within the Retrievals value stream of Sellafield that is charged with managing the programmes of wor...
Delivery: West Cumbria
Lot 3 Lot 3 - Retrievals Silos
£1,000,000,000
Lot 3 will consist of a Silos Partner, encompassing both the Magnox Swarf Storage Silo (“MSSS”) and Pile Fuel Cladding Silo (“PFCS”). The Retrievals value stream is responsible for managing the site’s major hazard and risk reduction programme: retrieving the waste from Sellafield’s four highest risk legacy storage facilities. These buildings have traditional...
Delivery: West Cumbria
Lot 4 Lot 4 - Integrated Nuclear Waste
£600,000,000
Lot 4 will consist of a single enterprise-wide Integrated Nuclear Waste Partner. This Nuclear Waste Partner will work through the Waste Operating Unit (“Waste OU”). The Waste OU is part of the Remediation Portfolio, it includes a dedicated programme providing enabling activities across the Sellafield enterprise with major customers being the DNWP Remediation...
Delivery: West Cumbria
Documents
No document metadata is available for this public record.
Contains public sector information licensed under the Open Government Licence v3.0.