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    Decommissioning and legacy management
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    Publications and Reports
    Fostering a Durable Relationship Between a Waste Management Facility and its Host Community

    Any long-term radioactive waste management project is likely to last decades to centuries. It requires a physical site and will impact in a variety of ways on the surrounding community over that whol...

    English Human aspects of nuclear safety Decommissioning Decommissioning and legacy management Stakeholder Radioactive waste management RWMC Stakeholder relations Legacy management Societal aspects of decommissioning and legacy management Stakeholder engagement FSC Societal aspects of radioactive waste management …
    Published date: 14 June 2007
    Other
    Fostering stakeholder involvement across generations - participation after site selection

    In October 2022, the NEA Forum on Stakeholder Confidence (FSC) organised, in collaboration with the Belgian Agency for Radioactive Waste and Enriched Fissile Materials (ONDRAF/NIRAS), a national work...

    Human aspects of nuclear safety CDLM Decommissioning and legacy management Stakeholder Radioactive waste management Civil society RWMC Social science Stakeholder relations Radioactive waste Radioactive waste management Stakeholder engagement Belgium FSC …
    Published date: 17 November 2023
    Publications and Reports
    Fukushima Daiichi Nuclear Power Plant Accident, Ten Years On

    Much has been learnt in the ten years since the Great Eastern Japan Earthquake and the subsequent accident at the Fukushima Daiichi Nuclear Power Plant, but significant challenges still remain.

    This ...

    English Public health Radiological protection in nuclear or radiological emergencies Liability and compensation Fukushima Nuclear safety Decommissioning and legacy management Nuclear legislation Remediation Stakeholder engagement Nuclear safety regulation …
    Published date: 3 March 2021
    News
    Fukushima Daiichi Nuclear Power Plant Accident: Message from Director-General Magwood

    Fukushima Daiichi Nuclear Power Plant Accident: Message from Director-General Magwood

    DG statement Human aspects of nuclear safety Radiological protection Fukushima Decommissioning and legacy management Nuclear safety research Director-General Nuclear safety regulation …
    Published date: 11 March 2022
    Publications and Reports
    Guide for International Peer Reviews of Decommissioning Cost Studies for Nuclear Facilities

    Peer reviews are a standard co-operative OECD working tool that offer member countries a framework to compare experiences and examine best practices in a host of areas. The OECD Nuclear Energy Agency...

    English Guidelines Peer review EGCDL Decommissioning Cost estimation Dismantlement Decommissioning and legacy management Radioactive waste management RWMC Joint project WPDD …
    Published date: 8 December 2014
    Publications and Reports
    Handbook for Nuclear Decommissioning Cost Estimation

    This handbook makes international guidance on estimating decommissioning costs more accessible by compiling material from two key reports: the International Structure for Decommissioning Costing (ISD...

    English EGCDL CDLM Decommissioning WPMO Decommissioning and legacy management WPTES …
    Published date: 8 February 2024
    Subtopic
    IDKM of decommissioning and legacy management

    Radioactive waste management and decommissioning are knowledge-dependent activities that exist in robust regulatory frameworks and on long timescales, demanding IDKM and presenting unique challenges....

    Decommissioning and legacy management IDKM of decommissioning and legacy management
    Published date: 25 June 2020
    Publications and Reports
    Il Decommissioning degli Impianti Nucleari

    La notevole esperienza internazionale acquisita negli ultimi venti anni dimostra che gli impianti nucleari possono essere disattivati e smantellati (decommissioning) in sicurezza alla fine del loro e...

    Decommissioning CPD Dismantlement Italian Decommissioning and legacy management Nuclear decommissioning RWMC WPDD …
    Published date: 3 April 2010
    News
    Improving the regulatory framework for robotic and remote systems applications

    NEA Expert Group on the Application of Robotics and Remote Systems in the Nuclear Back-end (EGRRS) discusses how to improve the regulatory framework for robotic and remote systems applications.

    Radioactive waste management Decommissioning EGRRS Decommissioning and legacy management
    Published date: 14 December 2021
    Event
    Innovative Techniques and Technologies to Support Characterisation and Decommissioning of Complex and Legacy Sites
    29 November 2022 - 1 December 2022
    NEA premises, France

    Picture: ANSTO

    This event has now finished. Speaker presentations are available for download using the links in the 'Download' section.

    NEA article reporting on this workshop:

    Examining new technolog...

    CDLM Decommissioning Decommissioning and legacy management Legacy management
    Published date: 5 May 2023
    Publications and Reports
    Intégration du retour d’expérience du démantèlement à la conception et l’exploitation des futures centrales nucléaires

    L’expérience des projets de démantèlement de centrales nucléaires laisse entendre que l’on pourrait simplifier ces opérations si l’on y accordait davantage d’attention au moment de la conception ou p...

    French Decommissioning Nuclear installations Regulation New nuclear power plants Decommissioning and legacy management Recommendations Radioactive waste Nuclear knowledge management Reactor design WPDD …
    Published date: 16 April 2010
    News
    International co-operation on decommissioning

    NEA Co‑operative Programme for the Exchange of Scientific and Technical Information Concerning Nuclear Installation Decommissioning Projects (CPD) management board meeting on 19-20 November 2020.

    News brief CPD Decommissioning and legacy management Nuclear decommissioning Joint project …
    Published date: 24 November 2020
    News
    International co-operation on decommissioning

    NEA Co‑operative Programme for the Exchange of Scientific and Technical Information Concerning Nuclear Installation Decommissioning Projects (CPD) management board meeting on 13‑14 November 2019.

    News brief CPD Decommissioning and legacy management Nuclear decommissioning Joint project …
    Published date: 6 December 2019
    News
    International co-operation on decommissioning

    NEA Co‑operative Programme for the Exchange of Scientific and Technical Information Concerning Nuclear Installation Decommissioning Projects (CPD) technical Advisory Group (TAG) session on 22 June 20...

    News brief CPD Decommissioning and legacy management Nuclear decommissioning Joint project …
    Published date: 1 July 2020
    Publications and Reports
    International Structure for Decommissioning Costing (ISDC) of Nuclear Installations

    Cost estimation for the decommissioning of nuclear facilities can vary considerably in format, content and practice both within and across countries. These differences may have legitimate reasons but...

    English EGCDL CDLM Decommissioning Cost estimation Dismantlement Decommissioning and legacy management Nuclear decommissioning Radioactive waste management DCEG International Structure for Decommissioning Costing (ISDC) Cost control …
    Published date: 2 March 2012
    Publications and Reports
    Le démantèlement d'installations nucléaires

    Une des préoccupations majeures exprimée dans la production d'éléctricité d'origine nucléaire est que le démantèlement (déconstruction à un niveau donné) d'installations en fine de vie représente un ...

    French Decommissioning CPD Dismantlement Decommissioning and legacy management Nuclear decommissioning RWMC WPDD …
    Published date: 14 October 2005
    Publications and Reports
    Libération des matériaux et bâtiments radioactifs du contrôle réglementaire

    En radioprotection, on entend par « libération » la décision prise par l'autorité compétente de lever tous les contrôles réglementaires appliqués jusqu'alors aux matériaux et bâtiments radioactifs. C...

    French Decommissioning Dismantlement Regulation Decommissioning and legacy management Release of radioactive materials Release of buildings WPDD …
    Published date: 31 December 2009
    Publications and Reports
    Libération des sites des installations nucléaires

    La libération des sites d’installations nucléaires des contrôles radiologiques est généralement l’une des dernières étapes du déclassement. À ce jour, seul un petit nombre de projets en ont fait l’ob...

    French Decommissioning Nuclear installations Technical, environmental and safety aspects of decommissioning and legacy management Dismantlement Release of sites Decommissioning and legacy management WPDD …
    Published date: 27 September 2006
    News
    Management of information, data and knowledge: A critical issue in radioactive waste disposal

    NEA Working Party on Information, Data and Knowledge Management (WP‑IDKM) held a topical session on IDKM timescales on 1-2 September 2021 towards building a common understanding of the timescales inv...

    WP-IDKM News brief IDKM of radioactive waste management Information, data and knowledge management IDKM of decommissioning and legacy management …
    Published date: 5 October 2021
    Publications and Reports
    NEA brochure

    The brochure provides background information about the NEA.

    English Nuclear law Human aspects of nuclear safety Nuclear law Radiological protection Nuclear science Nuclear economics Nuclear technology Regulation Decommissioning and legacy management Radioactive waste management Nuclear safety research Radiological protection Technology Safety research Radioactive waste management Human action Data Bank Nuclear science Nuclear safety regulation Nuclear economics …
    Published date: 10 September 2018
    News
    NEA committees discuss the back-end of the nuclear fuel cycle

    The Regulators’ Forum (RF), the Radioactive Waste Management Committee (RWMC) and the Committee on Decommissioning of Nuclear Installations (CDLM) held their annual plenary meetings and a joint commi...

    News brief RF CDLM Decommissioning and legacy management Radioactive waste management RWMC Radioactive waste Nuclear fuel cycle …
    Published date: 4 April 2022
    News
    NEA Forum on Stakeholder Confidence updates

    NEA Forum on Stakeholder Confidence updates

    News brief Societal aspects of decommissioning and legacy management Stakeholder Stakeholder relations FSC Societal aspects of radioactive waste management …
    Published date: 25 February 2021
    Activity
    NEA News

    NEA News is the professional journal of the Nuclear Energy Agency (NEA). It features articles on the latest issues concerning the economic and technical aspects of nuclear energy, nuclear safety and ...

    Nuclear law Human aspects of nuclear safety Radiological protection Nuclear science Nuclear economics Nuclear technology Decommissioning and legacy management Radioactive waste management Nuclear safety research NEA News publication Nuclear energy and climate change Nuclear safety regulation …
    Published date: 25 February 2025
    Publications and Reports
    NEA News 22.1

    NEA News is the professional journal of the Nuclear Energy Agency (NEA). It features articles on the latest nuclear energy issues concerning the economic and technical aspects of nuclear energy, nucl...

    English Nuclear law Human aspects of nuclear safety Radiological protection Nuclear science Nuclear economics Nuclear technology Decommissioning and legacy management Radioactive waste management Nuclear safety research NEA News publication Nuclear science Nuclear safety regulation …
    Published date: 29 June 2004
    News
    NEA visits Fukushima Environmental Restoration Sites to review progress

    Rebecca Tadesse, the NEA's Head of the Division of Radioactive Waste Management and Decommissioning, visited Japan's Ministry of the Environment's headquarters to observe the significant progress mad...

    News brief Environmental protection Fukushima Decommissioning and legacy management Japan Radioactive waste management …
    Published date: 21 June 2024
    News
    New NEA expert groups on decommissioning and legacy management

    The NEA Committee on Decommissioning of Nuclear Installations and Legacy Management (CDLM) has established two new expert groups.

    News brief Holistic approach CDLM Decommissioning Decommissioning and legacy management Legacy management …
    Published date: 5 August 2020
    News
    New Working Party on Information, Data and Knowledge Management

    NEA Working Party on Information, Data and Knowledge Management (WP‑IDKM) kick‑off meeting, 15‑17 January 2020

    News brief IDKM of radioactive waste management Information, data and knowledge management IDKM of decommissioning and legacy management
    Published date: 17 February 2020
    Event
    Nuclear Futures: Shaping dialogue in a changing world
    5 - 6 August 2025
    Leighton Hall, University of New South Wales (UNSW) New South Wales, Australia

    Within the framework of the NEA Global Forum on Nuclear Education, Science, Technology and Policy's Working Group 3, Rethinking the relationship between nuclear energy and society, the NEA, in co-ope...

    Human aspects of nuclear safety Australia Economic aspects of radioactive waste management Nuclear science Capacity building and gender Organisational aspects of decommissioning and legacy management Stakeholder engagement Public communication Human and organisational factors Societal aspects of radioactive waste management …
    Published date: 9 May 2025
    Publications and Reports
    Nuclear Site Remediation and Restoration during Decommissioning of Nuclear Installations

    Decommissioning of nuclear facilities and related remedial actions are currently being undertaken around the world to enable sites or parts of sites to be reused for other purposes. Remediation has g...

    English Radioactive waste management Decommissioning Technical, environmental and safety aspects of decommissioning and legacy management CPD Dismantlement Remediation Decommissioning and legacy management TGNSR RWMC Restoration …
    Published date: 18 August 2014
    Publications and Reports
    Nuclear Waste Bulletin, No. 14

    The NEA Nuclear Waste Bulletin is prepared by the Radiation Protection and Radioactive Waste Management Division of the OECD Nuclear Energy Agency in order to provide a means of communicaton amongst ...

    English Radioactive waste management Nuclear Waste Bulletin Decommissioning and legacy management Radioactive waste management Waste Radioactive waste …
    Published date: 27 February 2001
    Publications and Reports
    Optimising Management of Low-level Radioactive Materials and Waste from Decommissioning

    Low-level and very low-level waste represent the vast majority of radioactive waste by volume from decommissioning activity at nuclear facilities around the world, but they are only a small fraction...

    English Optimisation of radioactive waste management Decommissioning WPMO Decommissioning and legacy management Radioactive waste management RWMC Low-level waste (LLW) TGOM …
    Published date: 4 November 2020
    Subtopic
    Organisational aspects of decommissioning and legacy management

    The organisational aspects refer to all administrative actions taken to address organisational structure, project and knowledge management, costing and funding, and commercial and societal considerat...

    Organisational aspects of decommissioning and legacy management Decommissioning and legacy management
    Published date: 25 June 2020
    Publications and Reports
    Organisational Capabilities for Decommissioning Nuclear Installations

    The number of nuclear reactors approaching decommissioning, or already in the process of decommissioning, is increasing globally. Planning and performing decommissioning and dismantling activities ra...

    English WGHOF WPMO Human and organisational factors Organisational aspects of decommissioning and legacy management Nuclear decommissioning Human and organisational factors …
    Published date: 10 June 2022
    Other
    Outcomes of the CDLM-6 topical session: Advanced reactor decommissioning and opportunities for learning

    The Nuclear Energy Agency (NEA) Committee on Decommissioning of Nuclear Installations and Legacy Management (CDLM) was created in 2018 to facilitate comprehensive exchanges of national experiences an...

    Generation IV reactors CDLM Decommissioning Decarbonisation Decommissioning and legacy management Nuclear decommissioning Radioactive materials …
    Published date: 17 March 2025
    Publications and Reports
    Preparing for Decommissioning During Operation and After Final Shutdown

    The transition from an operating nuclear facility to the decommissioning phase is critical in the life cycle of every facility. A number of organisational and technical modifications are needed in or...

    English Decommissioning Strategy WPMO Dismantlement Decommissioning and legacy management TGPFD International Structure for Decommissioning Costing (ISDC) Radioactive waste management Transition phase WPDD …
    Published date: 25 May 2018
    NEA Document
    Proceedings of the Workshop on the Management of Spent Fuel, Radioactive Waste, and Decommissioning in SMRs/Advanced Reactor Technologies. Ottawa, Canada, 7-10 November 2022
    NEA/RWM/R(2024)1

    Small modular reactor (SMR) technologies are gaining interest as countries seek to reduce carbon emissions while maintaining energy security. For these new technologies to be deployed in a timely man...

    Generation IV reactors CDLM Regulation Decommissioning and legacy management RWMC SMR Radioactive waste management Stakeholder engagement Back-end Nuclear fuel cycle …
    Published date: 3 October 2024
    News
    Progress and challenges of radioactive waste management explored in first NEA-China Forum

    The NEA and CAEA held the NEA-China Forum on Nuclear Decommissioning and Radioactive Waste Management in Beijing. 

    DG statement News brief Deep geological repository (DGR) Decommissioning Future energy market needs Decommissioning and legacy management Radioactive waste management Director-General China …
    Published date: 23 October 2023
    Publications and Reports
    R&D and Innovation Needs for Decommissioning Nuclear Facilities

    Nuclear decommissioning activities can greatly benefit from research and development (R&D) projects. This report examines applicable emergent technologies, current research efforts and innovation nee...

    English R&D Decommissioning WPMO Task Group on Future R&D and Innovation Needs for Decommissioning Dismantlement Remediation Decommissioning and legacy management WPDD …
    Published date: 21 July 2014
    News
    Radioactive waste information, data and knowledge management

    NEA Working Party on Information, Data and Knowledge Management (WP‑IDKM) plenary meeting, 26-27 January 2021.

    WP-IDKM News brief IDKM of radioactive waste management Information, data and knowledge management IDKM of decommissioning and legacy management …
    Published date: 29 January 2021
    News
    Radioactive waste management, decommissioning and legacy management

    During the month of March 2021, the NEA Division of Radioactive Waste Management and Decommissioning organised a "back end week" during which the NEA Committee on Decommissioning of Nuclear Installat...

    RF CDLM Decommissioning and legacy management Radioactive waste management RWMC …
    Published date: 30 March 2021
    Publications and Reports
    Radioactivity Measurements at Regulatory Release Levels

    The release of radioactive materials from regulatory control is subject to release limits which are often based on published recommendations of international organisations, which aim to minimise radi...

    English Decommissioning CPD Decommissioning and legacy management Release of radioactive materials RWMC Joint project Recommendations WPDD …
    Published date: 12 April 2006
    News
    Radiological protection aspects of decommissioning activities at nuclear power plants

    The Working Group on the Radiological Protection Aspects of Decommissioning Activities at Nuclear Power Plants (WGDECOM) holds its 12th meeting in Germany

    News brief Radiological protection Decommissioning Decommissioning and legacy management Radiological protection Germany …
    Published date: 13 December 2022
    Publications and Reports
    Recycling and Reuse of Materials Arising from the Decommissioning of Nuclear Facilities

    Large quantities of materials arising from the decommissioning of nuclear facilities are non-radioactive per se. An additional significant share of materials is of very low-level or low-level radioac...

    English CDLM Decommissioning CPD Dismantlement Decommissioning and legacy management Radioactive waste management RWMC Recycling and reuse Task Group on Recycling and Reuse of Materials WPDD …
    Published date: 16 August 2017
    Publications and Reports
    Recycling and Reuse of Scrap Metals
    English Radiological protection Decommissioning CPD Decommissioning and legacy management Joint project …
    Published date: 8 February 1996
    Publications and Reports
    Regulating the Decommissioning of Nuclear Facilities

    The removal of fuel from a permanently shutdown nuclear facility eliminates the major source of radiological hazard, a nuclear criticality. Combined with the cessation of operations at high temperatu...

    English RF Decommissioning Dismantlement Licensing Regulation Decommissioning and legacy management RWMC WPDD …
    Published date: 25 September 2008
    Activity
    Regulators' Forum (RF)

    The Regulators' Forum (RF) is made up of regulators who participate in the work of the RWMC and CDLM, helping to address common regulatory issues of NEA member countries.

    Safety regulation in radioactive waste management RF CDLM Safety regulation in decommissioning and legacy management Regulation RWMC …
    Published date: 26 October 2020
    Publications and Reports
    Release of Radioactive Materials and Buildings from Regulatory Control

    The radiological concept of clearance can be defined as the release of radioactive materials or buildings from any further regulatory control applied for radiological protection purposes by the compe...

    English Decommissioning Dismantlement Regulation Decommissioning and legacy management Release of radioactive materials Release of buildings Radioactive waste WPDD …
    Published date: 19 November 2008
    Publications and Reports
    Releasing the Sites of Nuclear Installations

    Releasing the site of a nuclear installation from radiological control is usually one of the last steps of decommissioning. To date, site release has been practised in a limited number of cases only ...

    English Decommissioning Nuclear installations Technical, environmental and safety aspects of decommissioning and legacy management WPMO Dismantlement Release of sites Decommissioning and legacy management WPDD …
    Published date: 27 September 2006
    NEA Document
    Remote Handling Techniques in Decommissioning
    NEA/RWM/R(2011)2

    This report of the NEA Co-operative Programme on Decommissioning (CPD) describes generic results obtained by a CPD Task Group analysing the need for remote technologies. The report examines existing ...

    English Decommissioning CPD Decommissioning and legacy management RWMC Joint project WPDD …
    Published date: 26 August 2011
    Subtopic
    Safety regulation in decommissioning and legacy management

    It refers to the regulatory actions taken to ensure procedural safety by implementers of decommissioning and legacy management, and to promote adequate dialogue with stakeholders.

    Safety regulation in decommissioning and legacy management Decommissioning and legacy management
    Published date: 20 August 2024
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