Editing Nuclear Decommissioning Authority (section)

===Structure===
[[File:Aerial view Sellafield, Cumbria - geograph.org.uk - 50827.jpg|thumb|[[Sellafield]], NDA's largest site]]
Responsibility for operating the sites has been restructured into five site licence companies (SLC). Management of the SLCs was formerly contracted out to different parent body organisations (PBO), some of which were initially owned by private companies.<ref>[http://www.nda.gov.uk/news/slc-names.cfm NDA Confirms Names of New Site Licence Companies], Nuclear Decommissioning Authority (14 February 2007)</ref> More recently, the NDA has transitioned to a "group approach" of SLCs being wholly-owned NDA subsidiaries <ref name= "NDA Strategy 2021">{{cite web |title=Nuclear Decommissioning Authority Strategy effective from March 2021 |url=https://www.gov.uk/government/publications/nuclear-decommissioning-authority-strategy-effective-from-march-2021/nuclear-decommissioning-authority-strategy-effective-from-march-2021#introduction |website=[[gov.uk]] |access-date=24 July 2023}}</ref>

*[[Sellafield Ltd]] was previously [[British Nuclear Fuels Ltd|BNFL]]'s British Nuclear Group subsidiary. It comprises the [[Sellafield]] nuclear chemical facility and [[Calder Hall]]. It also previously managed the [[Capenhurst]] [[uranium]] enrichment plant, which is now owned by [[Urenco Group|Urenco]].<ref>{{cite news|url=http://www.world-nuclear-news.org/C-Urenco_takes_on_Capenhurst_site-3011125.html |title=Urenco takes on Capenhurst site |publisher=World Nuclear News |date=30 November 2012 |access-date=2012-12-13}}</ref> Its PBO was formerly Nuclear Management Partners Ltd, a consortium of [[URS Corporation|URS]], [[Amec Foster Wheeler]] and [[Areva]]. However, Sellafield Ltd has been under the direct control of the NDA since April 2016. 
*[[Magnox Ltd]] (previously two separate site licence companies),<ref>[http://www.magnoxsites.co.uk/news/2011-01-11/magnox-limited Magnox Limited] {{webarchive|url=https://web.archive.org/web/20120402112105/http://www.magnoxsites.co.uk/news/2011-01-11/magnox-limited |date=2012-04-02 }} Magnox Sites (11 January 2011)</ref> manages ten [[Magnox]] nuclear power stations and the [[Harwell Laboratory|Harwell]] and [[Winfrith]] facilities. It comprises [[Chapelcross nuclear power station|Chapelcross]], [[Hunterston A nuclear power station|Hunterston A]], [[Trawsfynydd nuclear power station|Trawsfynydd]], [[Wylfa nuclear power station|Wylfa]] and [[Oldbury nuclear power station|Oldbury]] (previously Magnox North) and [[Berkeley nuclear power station|Berkeley]], [[Bradwell nuclear power station|Bradwell]], [[Dungeness nuclear power station|Dungeness A]], [[Hinkley Point A nuclear power station|Hinkley Point A]] and [[Sizewell nuclear power stations|Sizewell A]] (previously Magnox South). Its PBO was formerly Cavendish Fluor Partnership, a consortium of [[Babcock International]] and [[Fluor Corporation|Fluor]]. Magnox Ltd has been a subsidiary of the NDA since September 2019. 
*Dounreay Site Restoration Limited (DSRL) comprises the [[Dounreay]] site. Until March 2021, its PBO was Cavendish Dounreay Partnership, a consortium of [[Babcock International]], [[CH2M Hill]] and [[URS Corporation|URS]]. It is now directly managed by the NDA.<ref name = ownerchange />
*LLW Repository  comprises the [[Low Level Waste Repository]] near [[Drigg]] in Cumbria. Until July 2021, its PBO was UK Nuclear Waste Management, a consortium of [[URS Corporation|URS]], [[Studsvik]], [[Areva]] and [[Serco]]. It is now a subsidiary of the NDA.<ref name = ownerchange>{{cite web | url = https://www.gov.uk/government/news/dsrl-and-llwr-to-become-nda-subsidiaries | title = DSRL and LLWR to become NDA subsidiaries | date = 10 July 2020 | publisher = Nuclear Decommissioning Authority | access-date = 8 June 2021}}</ref>
*Springfields Fuels comprises the [[Springfields]] nuclear fuel production facility near Preston, Lancashire. Its PBO is [[Westinghouse Electric Company]], owned by a consortium of [[Brookfield Renewable Partners]] and [[Cameco]].

On its creation, the NDA also took over ownership of [[Direct Rail Services]], the rail [[freight operating company]] set up by BNFL in 1995 to transport nuclear materials; and [[International Nuclear Services]], which operates services on behalf of the NDA for the management and transportation of nuclear fuels. Both have since merged to become Nuclear Transport Solutions.<ref>{{cite web | url = https://www.gov.uk/government/news/the-nda-will-bring-its-transport-and-logistics-expertise-together | title = The NDA will bring its transport and logistics expertise together | website = www.gov.uk | publisher = Nuclear Decommissioning Authority | date = 4 February 2020 | access-date = 9 November 2021}}</ref>

The NDA is also the owner of Radioactive Waste Management (RWM), which is responsible for implementing a [[geological disposal facility]] in the UK and provide [[radioactive waste]] management solutions.

In February 2017, a national archive for the UK civil nuclear industry, named Nucleus, was opened in [[Wick, Caithness]], Scotland.<ref name=bbc-20170214>{{cite news |url=https://www.bbc.co.uk/news/uk-scotland-highlands-islands-38855127 |title=National archive for nuclear industry opens in Wick |work=BBC News |date=14 February 2017 |access-date=16 February 2017}}</ref>