What are we competing?
How does the competition process work?
NDA conduct during competitions
Security clearance requirements for bidders
Magnox Ltd and RSRL PBO Competition
Previous PBO competitions
Note to Bidders
The NDA recognises that there is a broad range of information contained on this website, which bidders involved in any of the competitions being run by the NDA may wish to refer to.
Some of this is legacy information which addresses generic matters and bidders should note that the NDA’s approach may have been altered or developed specifically in the context of any given competition.
Whenever considering whether or not to utilise such information in developing an approach or proposal for the purposes of a competition, bidders should check its validity with the appropriate Competition Team prior to such use.
Web Updates
Keep informed with the latest news and developments from the NDA
Competition News
05 October 2012
Magnox and RSRL PBO competition update
The NDA’s competition process continues to progress in line with the current timetables shown with the deadline for receipt of Pre-qualifying questionnaires being Friday 12th October.
23 July 2012
Potential bidders gathered for conference
One of UK’s largest public procurement exercises will appoint a new Parent Body Organisation for the two companies that operate 12 historic nuclear sites.
18 July 2012
Potential bidders gather for conference
One of UK’s largest public procurement exercises will appoint a new Parent Body Organisation for the two companies that operate 12 historic nuclear sites.
17 July 2012
EnergySolutions EU Ltd to be sold
EnergySolutions Inc, the US business, has advised the NDA of its intention to sell its European business, EnergySolutions EU Ltd.
24 April 2012
Prior Information Notice (PIN) for Magnox and RSRL
NDA has published a Prior Information Notice (PIN) in the Official Journal of the European Union (OJEU), advising of its intention to launch its next major competition for the management of its civil nuclear sites.
Magnox and RSRL PBO competition

Magnox Ltd and Research Sites Restoration Ltd (RSRL) are Site Licence Companies (SLCs) that manage and operate sites on behalf of the NDA.
We are competing the Parent Body Organisation (PBO) contracts for the Magnox Ltd and RSRL sites. An appointed PBO will provide direction, leadership and management through ownership of the shares in the SLCs.
The PBO will second key personnel to form the senior leadership team in each SLC to deliver vision and drive to attain best value for money whilst maintaining mandatory standards of safety, security and environmental performance.
- More information on Magnox Ltd
- More information on Research Sites Restorations Ltd (RSRL)
- Security clearance requirements for the bidders
Key Competition Dates
The dates detailed below have been revised slightly from those previously published to reflect that while NDA continues to reserve the right to conduct a downselection of the bidders in the course of the dialogue period, its current intent is to conduct dialogue with all four pre-qualified bidders until at least one viable solution is available. These dates remain indicative only and may be altered by the NDA in any way at its absolute discretion.
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20 Apr 2012 |
Prior Information Notice (PIN) released |
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May 2012 |
Formal Market Engagement (FME) |
| 16 Jul 2012 |
Publish Contract Notice |
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19 Jul 2012 |
Bidders' conference, Manchester, UK |
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12 Oct 2012 |
Pre-Qualification Response date |
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Dec 2012 |
Issue Invitation to Participate in Dialogue |
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Jan-Feb 2013 |
Initial site access and information gathering |
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Feb-Sept 2013 |
Dialogue period and continued site access |
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Jul 2013 |
Issue Draft Invitation to Submit Final Tender |
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Oct 2013 |
Issue Formal Invitation to Submit Final Tender |
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Nov 2013 |
Tender Return Date |
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Mar 2014 |
Preferred Bidder Announcement |
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Apr-Aug 2014 |
Contract Finalisation |
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Apr 2014 |
Transition Agreement Signed |
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Apr-Sept 2014 |
Transition Period |
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Sept 2014 |
Share Transfer and Contract Award |
Key Principles
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The competition will be conducted under the Public Contract Regulations 2006.
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The NDA is committed to ensuring equality of access to information for current contract incumbents and non-incumbents alike.
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The NDA will use the competition as an opportunity to maintain focus on socio-economic matters.
Further Information
For more information see the following:
11 Jan 2013 - Dialogue opens for £7 billion contract
3 Dec 2013 - NDA invites Magnox and RSRL bidders to ‘Participate in Dialogue’
5 Oct 2012 - Competition update
27 Jul 2012 – Recordings and documents from bidder conference
23 Jul 2012 - £4-5 billion Magnox and RSRL competition: potential bidders gathered for conference
17 Jul 2012 - EnergySolutions EU Ltd to be sold
24 Apr 2012 - Prior Information Notice (PIN) released in the Official Journal of the European Union (OJEU)
13 Apr 2012 - Suite of documents to support the Magnox/RSRL PBO competition process released
29 Feb 2012 - Notification of Formal Market Engagement (FME)
Any queries or comments should be submitted to ndacompetition@nda.gov.uk