This document has been prepared by the Nuclear Energy Agency’s (NEA’s) Working Party on Decommissioning and Dismantling (WPDD) in collaboration with the European Commission’s Directorate General for ...

This document was prepared by the Nuclear Energy Agency's (NEA) Working Party on Decommissioning and Dismantling (WPDD) in collaboration with the European Commission‟s Directorate General for Energy ...

This document has been prepared by the Nuclear Energy Agency’s (NEA) Working Party on Decommissioning and Dismantling (WPDD) in collaboration with the European Commission (DGTREN) and the IAEA. It is...

This document has been prepared by the Working Party on Decommissioning and Dismantling (WPDD) in order to fulfil its role as an information centre within the NEA on international activities being pe...

Developed and reviewed by experts of the EC, IAEA and NEA, input for this report includes information and experience concerning decommissioning cost items and cost-item definitions. The resulting lis...

The key issue in the decommissioning of nuclear facilities is the progressive removal of hazards, by stepwise decontamination and dismantling activities that have to be carried out safely and within ...

The cost estimation process of decommissioning nuclear facilities has continued to evolve in recent years, with a general trend towards demonstrating greater levels of detail in the estimate and more...

Adequacy of Funding Arrangements for Decommissioning and Radioactive Waste Management (ADEQ)

Experience from decommissioning projects suggests that the decommissioning of nuclear power plants could be made easier if it received greater consideration at the design stage and during the operati...

En ansenlig internationell erfarenhet som inhämtats under de senaste 20 åren visar att kärntekniska anläggningar kan rivas och avvecklas på ett säkert sätt när ett beslut väl fattats att avsluta drif...

In 2012, following a proposal from Japan, the Committee on the Safety of Nuclear Installations (CSNI) decided to initiate a joint project to conduct a study of the accident progression for the Fukush...

The Expert Group on Characterisation Methodology of Unconventional and Legacy Waste (EGCUL) was established under the Nuclear Energy Agency (NEA) Radioactive Waste Management Committee (RWMC) and it ...

Ce rapport de synthèse sur la façon de Choisir des stratégies de démantèlement des installations nucléaires repose sur les points de vue et les informations présentés au cours d’un séminaire organisé...

The CDLM assists member states in holistically addressing challenges in the execution of decommissioning and legacy management through sharing experiences among members with a broad range of expertis...

Ad hoc meeting on the commonalities between and the specificities of decommissioning and legacy management, 13 December 2019

Community and industry come together to workshop radioactive waste management strategies

The nuclear sector has in recent years been placing increasing attention on the need to better understand variations between cost estimates for the decommissioning of nuclear power plants, as well as...

This report is based on a study carried out by the NEA Decommissioning Cost Estimation Group (DCEG) on decommissioning cost elements, estimation practices and reporting requirements. Its findings ind...

Tout projet de gestion de déchets radioactifs à long terme durera vraisemblablement des décennies, voire des siècles. Il nécessitera un site et influera de bien de manières sur la communauté environn...

Cet ouvrage, à l’intention d’un large public, présente une synthèse de la situation du déclassement et du démantèlement des installations nucléaires ainsi que des questions connexes dans les pays mem...

The Expert Group on a Holistic Process for Decision Making on Decommissioning and Management of Complex Sites (HDCS) continues to make progress with its forthcoming report to describe the scope of co...

Experience from decommissioning projects suggests that the decommissioning of nuclear power plants could be made easier if this aspect received greater consideration at the design stage and during op...

Una delle preoccupazioni più diffuse in tema di produzione di energia elettrica da fonte nucleare è che la disattivazione degli impianti nucleari - ovvero il loro smantellamento fino allo stato final...

This status report on Decommissioning Funding: Ethics, Implementation, Uncertainties is based on a review of recent literature and materials presented at NEA meetings in 2003 and 2004, and particular...

Considerable international experience gained over the last 20 years demonstrates that nuclear facilities can be safely dismantled and decommissioned once a decision is made to cease operations and pe...

One concern commonly expressed about electricity production from nuclear power is that the decommissioning (i.e.dismantling to a desirable end state) of the redundant radioactive facilities presents ...

This report of the NEA Co-operative Programme on Decommissioning (CPD) presents the generic results obtained by a CPD Task Group on Decontamination and Dismantling (D&D) of Concrete Structures that u...

This overview of decontamination techniques is based on the results of the previously mentioned questionnaire, which was received, reviewed and summarised for this report by the Task Group. The infor...

L’expérience internationale considérable accumulée au cours des 20 dernières années nous montre que les installations nucléaires peuvent être démantelées dans des conditions de sûreté, puis déclassée...

L’enlèvement des matières irradiées et plus particulièrement du combustible à l'issue de l'arrêt définitif d'une installation élimine la source principale de risque radiologique, le risque de critici...

Il presente rapporto, avente finalità di ampia divulgazione, contiene una sintetica panoramica delle problematiche associate alla disattivazione e allo smantellamento delle intallazioni nucleari ne P...

NEA’s Working Party on the Technical, Environmental, and Safety Aspects of Decommissioning and Legacy Management gathered for a workshop on  29 November to 1 December 2022 in Paris. 

The HDCS will develop a holistic process for decision making and provide guidelines to allow an integral progression from recognition to resolution, to support the decommissioning and management of c...

The goal of EGCUL is to share state-of-the-art knowledge and experience in characterising a large amount of unknown waste derived from nuclear accidents and past nuclear activities.

The EGCDL will address costing issues for decommissioning of nuclear installations and legacy management as a level three expert group.

Decommissioning activities are clearly set to increase internationally, giving rise to a sizeable market, growing in business and competition. Meanwhile, ongoing decommissioning work continue at a su...

Ce rapport de synthèse sur le Financement du démantèlement : éthique, mise en œuvre, incertitudes a été rédigé en s’appuyant sur la littérature récente et sur les informations présentées lors des réu...

Decommissioning of both commercial and R&D nuclear facilities is expected to increase significantly in the coming years, and the largest of such industrial decommissioning projects could command cons...

The Forum on Stakeholder Confidence (FSC) was established by the NEA Radioactive Waste Management Committee (RWMC) in 2000 and serves as a platform for understanding and enhancing stakeholder engagem...

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...

A new NEA report on Ensuring the Adequacy of Funding for Decommissioning and Radioactive Waste Management was launched in an online expert roundtable on 18 June 2021, where the NEA presented analysis...

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...

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...

Un nombre significatif d’installations nucléaires devra être démantelé dans les prochaines décennies. Dans ce contexte, les pays membres de l’AEN accordent de plus en plus d’importance à l’implicatio...

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.

^{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...

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...

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...

This report summarises the presentations and discussions held at the International Symposium on Preparation for Decommisssioning (PREDEC2016), held at the Lyon Convention Center, France, on 16-18 Feb...

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 ...

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...

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...

The NEA Expert Group on Fukushima Waste Management and Decommissioning R&D (EGFWMD) was established in 2014 to offer advice to the authorities in Japan on the management of large quantities of on-sit...

This document describes the manadate of the Task Group on Nuclear Site Restoration, namely, to provide the member countries with up-to-date information and to develop consensus regarding the strategi...

This document describes the mandates of the RWMC Regulators' Forum (RF) and the RWMC Working Parties FSC, IGSC and WPDD. Prepared for the 46th session of the RWMC held at the OECD Conference Center i...

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...

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...

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...

NEA News is the professional journal of the NEA. It features articles on the latest nuclear energy issues concerning the economic and technical aspects of nuclear energy, nuclear safety and regulatio...

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...

The NEA Nuclear Waste Bulletin has been prepared by the Radiation Protection and Waste Management Division of the OECD Nuclear Energy Agency to provide a means of communication amongst the various te...

The NEA Nuclear Waste Bulletin has been prepared by the Radiation Protection and Waste Management Division of the OECD Nuclear Energy Agency to provide a means of communication amongst the various te...

Nearly 100 experts from the NEA Analysis of Information from Reactor Buildings and Containment Vessels of Fukushima Daiichi Nuclear Power Station (ARC-F) Project and the Preparatory Study on Fuel Deb...

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...

At its ninth meeting, held at Harwell, UK on 7-9 November 2007, the Working Party on Decommissioning and Dismantling (WPDD) held a topical session on Human and Organisational Factors in Decommissioni...

At its ninth meeting (11-14 November 2008, at Senec, Slovak Republic), the WPDD held a topical session on Applying Decommissioning Experience to the Design and Operation of New Plants. In preparation...

At the sixth meeting of the Working Parting on Decommissioning and Dismantling (WPDD), held in Brussels, Belgium on 14-16 November 2005, a topical session concerning Stakeholder Involvement in Decomm...

At its seventh meeting, held at the NEA Offices in Issy-les-Moulineaux, France on 23-25 October 2006, the Working Party on Decommissioning and Dismantling (WPDD) held a topical session on Emerging Is...

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

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...

Based on the NEA's 1999 Rome workshop on the Regulatory Aspects of Decommissioning, and on the experience from the NEA's Co-operative Programme for the Exchange of Scientific and Technical Informatio...

Radioactive waste management is the safe treatment, storage and disposal of liquid, solid and gas discharge from nuclear industry operations with the goal of protecting people and the environment.

The sixth workshop of the OECD/NEA Forum on Stakeholder Confidence (FSC) was hosted by ENRESA, the Spanish agency responsible for the management of radioactive waste and the dismantling of nuclear po...

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...

This is the final report of the Task Group on Radiological Characterisation and Decommissioning (RCD) of the Working Party on Decommissioning and Dismantling (WPDD). It provides guidance on selection...

Report findings are based on international expert responses to a questionnaire concerning radiological characterisation of materials and waste. Information obtained from this survey is accompanied by...

Radiological characterisation is a key enabling activity for the planning and implementation of nuclear facility decommissioning. Effective characterisation allows the extent, location and nature of ...

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

Established in 2014, the WGDECOM unites 19 experts from 12 countries in developing a process to better share radiological protection data.

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...

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...

In many countries the industrial activities for the decommissioning of shut down nuclear facilities have increased within the last ten years and are constantly increasing as older facilities retire a...

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...

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 ...

In the post-closure phase of a deep geological repository for radioactive waste, significant quantities of gases may be generated from various sources. The most important gas generating process is an...

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 ...

Second Workshop on International Harvesting Co-operation focused on the status of aged metals harvesting and opportunities for international collaborative research.

This status report on Selecting Strategies for the Decommissioning of Nuclear Facilities is based on the viewpoints and materials presented at a seminar held in Tarragona, Spain on 1-4 September 2003...

This document was prepared by the Nuclear Energy Agency’s (NEA’s) Working Party on Decommissioning and Dismantling (WPDD) in collaboration with the European Commission’s Directorate General for Energ...

The 13^th National Workshop organised by the NEA Forum on Stakeholder Confidence (FSC) took place on 23-25 October in Ohio, United States.

Significant numbers of nuclear facilities will need to be decommissioned in the coming decades. In this context, NEA member countries are placing increasing emphasis on the involvement of stakeholder...

Significant numbers of nuclear power plants will reach the end of their operating lives in the coming decades or may be shut down for economic or other reasons. NEA Member countries are giving increa...

Die internationalen Erfahrungen der vergangenen 20 Jahre zeigen, dass kerntechnische Anlagen sicher abgebaut und stillgelegt werden können, nachdem die Entscheidung getroffen wurde, den Betrieb zu be...

Nuclear sites around the world are being decommissioned and remedial actions are being undertaken to enable sites, or parts of sites, to be reused. Although such activities are relatively straightfor...

As modern nuclear power programmes mature and large, commercial nuclear power plants and fuel cycle facilities approach the end of their useful life by reason of age, economics or change of policy on...

This document is a summary of the special seminar commemorating the 10th anniversary of the OECD/NEA Working Party on Decommissioning and Dismantling (WPDD), held at the NEA Offices in Issy-les-Mouli...

This document is the provisional summary record of the 14th session of the Working Party on Decommissioning and Dismantling (WPDD), held at the NEA Offices, Issy-les-Moulineaux, France on 18-20 Novem...

This document is...

This document is the summary record of the 6th meeting of the Decommissioning Cost Estimation Group (DCEG), held in Issy-les-Moulineaux, France on 18-20 June 2013. 

This document is the summary record of the 7th meeting of the Decommissioning Cost Estimation Group (DCEG) held in Malmö, Sweden on 10-11 June 2014.

The NEA has published a report that surveys the aftermath, lessons, and achievements in Japan and the global nuclear community in the decade since the Fukushima Daiichi Nuclear Power Plant Accident.

This report, intended for a broad readership, provides a concise overview of the decommissioning and dismantling of nuclear facilities and associated issues in NEA member countries. It draws upon a d...

International Expert Feedback (IEF) organized by the NEA at the request of the Russian State Atomic Energy Corporation (ROSATOM) to assess the sufficiency and applicability of the newly developed met...

The NEA Co-operative Programme for the Exchange of Scientific and Technical Information Concerning Nuclear Installation Decommissioning Projects (CPD) is a joint undertaking which functions within th...

In response to the growing interest in the field of decommissioning of nuclear facilities, the Nuclear Energy Agency of the OECD commenced in 1978 a programme of activities in this field. This report...

This report describes the progress and the generic results obtained by the CPD during 1995-2005. Although part of the information exchanged within CPD is confidential in nature and is restricted to p...

The NEA Co-operative Programme for the Exchange of Scientific and Technical Information Concerning Nuclear Installation Decommissioning Projects (CPD) is a joint undertaking among member country orga...

Decommissioning of both commercially used and R&D nuclear facilities is expected to increase significantly in the coming years, and the largest of such industrial decommissioning projects could comma...

This status report was prepared on behalf of the Working Party on Decommissioning and Dismantling (WPDD) by its Task Group on the Release of Materials, Buildings and Sites. It report reflects the vie...

This Strategic Plan is intended to guide the NEA as it seeks to meet the evolving needs of member countries in the application and exploration of nuclear science and technology. The plan includes an ...

At its third meeting, held in Karlsruhe, Germany on 17-19 June 2002, the Working Party on Decommissioning and Dismantling (WPDD) held a Topical Session on Buildings & Sites Release and Reuse. Present...

At its fifth meeting, held in Paris, France on 8-10 November 2004, the Working Party on Decommissioning and Dismantling (WPPD) conducted a topical session on the Funding Issues in Connection with Dec...

At its second meeting, held in Paris, France on 5-7 December 2001, the Working Party on Decommissioning and Dismantling (WPDD) conducted a topical session on Materials Management. Presentations durin...

At its second meeting in Paris, France on 5-7 December 2001, the Working Parting on Decommissioning and Dismantling (WPDD) held a topical sessions on the D&D Safety Case. This report documents that t...

Currently, the format, content and practice of cost estimation vary considerably both within and between countries, which makes it very difficult to compare estimates, even for similar types of facil...

Le problème clé dans le démantèlement des installations nucléaires est l’élimination progressive des risques, au moyen d’une série d’actions de décontamination et de déconstruction qui doivent être r...

À l’heure actuelle, on observe une variabilité considérable dans le format, le contenu et les pratiques d’estimation des coûts, que ce soit à l’intérieur d’un même pays ou lorsque l’on franchit les f...

Virtual Stakeholder Confidence Workshop on the Decommissioning of Nuclear Facilities in the United Kingdom, 16 September 2020. 

^{Spent Nuclear Fuel Pool. Photo: Cogema.} 

Description

The NEA study on the “Adequacy of Funding Arrangements for Decommissioning and Radioactive Waste Management” is a part of the Programme of Work of...

This report contains a compilation of all papers regarding stakeholder involvement in decommissioning given at WPDD meetings and workshops between 2001 and the end of 2004. The compilation, together ...

This document outlines the achievements and future plans of the working parties of the RWMC, specifically the IGSC, FSC and WPDD. Prepared for the 46th session of the RWMC held at the OECD Conference...

The WPMO addresses management and organisational issues for decommissioning of nuclear installations and legacy management projects.

The WPTES aims to address technical, environmental and safety issues in the decommissioning of nuclear installations and legacy management.

Workshop on the Adequacy of Funding Arrangements for Decommissioning and Radioactive Waste Management, 17-18 September 2020.

Prepared by the Nuclear Energy Agency’s (NEA’s) Working Party on Decommissioning and Dismantling (WPDD) in collaboration with the European Commission’s Directorate General for Energy (EC DG-ENER) and...

The NEA's Working Party on Decommissioning and Dismantling (WPPD) Workshop on Safe, Efficient, and Cost-Effective Decommissioning was held in Rome, Italy on 6-10 September 2004. Its purpose was to en...