Published date:
14 December 1989
The Nuclear Law Bulletin is a unique international publication for both professionals and academics in the field of nuclear law. It provides readers with authoritative and comprehensive informatio...
Published date:
10 March 2020
The quality of the isotopic composition of plutonium fuel degrades as the number of recycles increases in thermal reactors. There are in addition incentives to better utilise fuel by increasing the b...
Published date:
19 July 1995
NEA/CSNI/R(2016)2
The OECD Nuclear Energy Agency-Paul Scherrer Institut (NEA-PSI) Benchmark was initiated to test the capability of state-of-the-art computational fluid dynamics (CFD) and dedicated containment codes ...
Published date:
23 February 2016
NEA/CSNI/R(2016)1
This present workshop was held in Zurich, Switzerland on 9-11 September 2014. It is the 5th workshop on Computational Fluid Dynamics for Nuclear Reactor Safety (CFD4NRS-5), in the biennial series of...
Published date:
1 January 2016
NEA/CSNI/R(2017)20
The present report summarises the 6th workshop on Computational Fluid Dynamics for Nuclear Reactor Safety Applications (CFD4NRS-6) in the biennial series, supported by the Nuclear Energy Agency Worki...
Published date:
6 May 2019
NEA/CSNI/R(2017)19
The main objectives of the current activity are the promotion, test and evaluation of various methodologies for uncertainty quantification in computational fluid dynamics (UQCFD) for nuclear reactor...
Published date:
6 February 2019
NEA/CSNI/R(2017)18
The main objective of the report is to identify research and development priorities related to loss-of-cooling and loss-of-coolant accidents in spent fuel pools. This is done by applying a PIRT proc...
Published date:
11 June 2018
NEA/CSNI/R(2017)16
This report by the Working Group on Analysis and Management of Accidents (WGAMA) summarises the first Nuclear Energy Agency (NEA) project to address the topic of severe accident management guidance (...
Published date:
2 July 2018
NEA/CSNI/R(2017)15
The Status Report on Ex-Vessel Steam Explosion (EVSE) summarises the significant progress made in the field of Fuel Coolant Interaction/Steam Explosion (FCI/SE) knowledge during these last ten years...
Published date:
1 March 2018
NEA/CSNI/R(2017)14
Fire hazards analyses (FHA) and probabilistic fire safety analyses (Fire PSA) have demonstrated that fire may be an important contributor to core damage frequency and other major plant damage states...
Published date:
11 January 2018
NEA/CSNI/R(2017)13
The March 2011 accident at Fukushima Daiichi nuclear power plant triggered discussions about the natural external events that are low-frequency but high-consequence. In order to address these issues...
Published date:
16 April 2018
NEA/CSNI/R(2017)12/ADD1
The workshop was held in Aomori City, Japan on 15-17 November 2016.
On 11 March 2011, the Tohoku-Taiheiyou-Oki earthquake occurred near the east coast of Honshu, Japan. This magnitude 9.0 earthquake ...
Published date:
1 January 2018
NEA/CSNI/R(2017)12
The main objective of the workshop, held in Aomori City, Japan on 15-17 November 2016, was to review and discuss national activities, plans and regulatory approaches by member countries in light of ...
Published date:
8 January 2018
NEA/CSNI/R(2017)11
For most nuclear design and in-service inspection codes, fracture mechanics is used to evaluate the integrity of cracked components. The major parameters used in this kind of analysis are K and J whi...
Published date:
1 November 2017
NEA/CSNI/R(2017)10
The workshop was held in Lucca, Italy on 13-15 April 2016.
The PKL3 Project tests consisted of a programme of experiments intended to, inter alia, understand complex heat transfer mechanisms in the s...
Published date:
31 January 2018
NEA/CSNI/R(2017)9
The NEA Advanced Thermal-Hydraulic Test Loop for Accident Simulation (ATLAS) Project is one of the NEA supported joint projects under the auspices and with the support of the NEA. It started from Apr...
Published date:
11 April 2018
NEA/CSNI/R(2017)8
This report documents a study performed on a set of common-cause failure (CCF) events for diesel generators. The events were derived from the International CCF Data Exchange (ICDE) database and the s...
Published date:
24 August 2017
NEA/CSNI/R(2017)7
This report documents an experimental programme designed to investigate the High Energy Arcing Fault (HEAF) phenomena. The most recent international nuclear power plant (NPP) operating experience wi...
Published date:
23 May 2017
NEA/CSNI/R(2017)6
For many years, extensive experimental investigations into the system response of pressurised water reactors (PWRs) under accident conditions have been being conducted at the large-scale Primärkreisl...
Published date:
17 January 2018
NEA/CSNI/R(2017)4
Management of spent fuel (SF) and high-level waste (HLW) is fundamental to the fuel cycle safety. The original management strategies were established on the basis of limited interim storage periods o...
Published date:
19 January 2017
Published date:
22 May 2017
NEA/CSNI/R(2017)2/ADD1
International Conference on Fatigue of Nuclear Reactor Components on 28 September-1 October 2015 in Seville, Spain.
In this work, a complete algorithm for monitoring fatigue was developed for nuclear...
Published date:
17 July 2017
NEA/CSNI/R(2017)2
This is a summary report from the International Conference on Fatigue of Nuclear Reactor Components on 28 September-1 October 2015 in Seville, Spain. Over 90 specialists from 21 countries attended th...
Published date:
17 July 2017
NEA/CSNI/R(2018)3
The Metallic Component Margins under High Seismic Loads (MECOS) Project is an international programme organised under an initiative of the NEA. The main objective of the MECOS Project is to quantify ...
Published date:
12 November 2018
NEA/CSNI/R(2018)5
This report documents a study performed on a set of common-cause failure (CCF) events of Emergency Diesel Generators (EDG) at nuclear power plants. In May 2000, the ICDE Project published a report su...
Published date:
26 September 2018
NEA/CSNI/R(2018)6
The Source Term Evaluation and Mitigation Project (STEM) project, hosted by the Nuclear Energy Agency (NEA) and operated by the Institut de Radioprotection et de Sûreté Nucléaire (French Institute of...
Published date:
17 March 2020
NEA/CSNI/R(2018)7
It has long been recognised that external hazards can present a potential common cause source of initiating events that could challenge nuclear power plant safety. Modelling of these hazards is a com...
Published date:
2 April 2019
Following the accident at the Fukushima Daiichi Nuclear Power Plant, many countries began funding research and development on nuclear fuel designs with enhanced accident tolerance (ATFs). ATFs have i...
Published date:
18 July 2022
NEA/NSC/DOC(2012)11
The objective of the OECD LWR UAM activity is to establish an internationally accepted benchmark framework to compare, assess and further develop different uncertainty analysis methods associated wit...
Published date:
24 May 2012
Feedback on operating experience from nuclear power plants is intended to help avoid occurrence or recurrence of safety-significant events. Well-established feedback systems exist on the national and...
Published date:
31 December 2004
This technical opinion paper provides the reader with a concise description of both the benefits and disadvantages of using probabilistic safety assessment (PSA) to analyse operational events in nucl...
Published date:
2 December 2004
Probabilistic safety analyses (PSAs) for many of the nuclear power plants throughout the world are being maintained as "living PSAs" (LPSAs), being updated to take account of changes to the design an...
Published date:
1 February 2005
This technical opinion paper represents the consensus of risk analysts in NEA member countries on the current state of the art of human reliability analysis (HRA) in probabilistic safety assessment (...
Published date:
9 February 2004
Nuclear licensees are increasingly required to adapt to a more challenging commercial environment as electricity markets are liberalised. One of the costs that is often perceived as being amenable to...
Published date:
9 June 2004
This technical opinion paper represents the consensus of risk analysts in NEA member countries on the current state of the art of level-2 probabilistic safety assessment (PSA) and its applications in...
Published date:
20 April 2007
Errors during maintenance and periodic testing are significant contributors to plant events. These errors may not always be revealed by post-maintenance tests and may remain undetected for extended p...
Published date:
26 February 2009
Nuclear power plant modifications may be needed for a number of different reasons. These include physical ageing of plant systems, structures and components; obsolescence in hardware and software; fe...
Published date:
3 February 2009
It is a dynamic time for the nuclear power sector. Existing reactor control rooms are undergoing various forms of modernisation. New reactors are being built in many countries and advanced reactors a...
Published date:
11 December 2009
The way in which nuclear licensees’ organisations are structured and resourced clearly has a potential impact on nuclear safety. As experience has continually demonstrated, operating organisations wi...
Published date:
15 May 2012
Managing the ageing of fuel cycle facilities (FCFs) means, as for other nuclear installations, ensuring the availability of required safety functions throughout their service life while taking into a...
Published date:
31 December 2013
As all safety systems in the majority of existing nuclear power plants use the preferred power supply, any voltage surges in these systems could lead to common-cause failures. In the event of an unus...
Published date:
17 May 2013
CSNI Technical Opinion Paper No. 17: Fire Probabilistic Safety Assessments for Nuclear Power Plants: 2019 Update provides an authoritative review of the current status and use of the fire PSA in nucl...
Published date:
27 May 2019
These technical opinion papers represent the consensus of risk analysts and experts in NEA Member countries on the current state of the art in Fire Probabilistic Safety Assessment (PSA) for nuclear p...
Published date:
26 September 2002
Acceptance criteria for emergency core cooling systems (ECCS) define the maximum temperature and degree of oxidation in order to avoid excessive embrittlement and hence failure of the fuel cladding, ...
Published date:
21 September 2011
Seismic probabilistic safety assessment (SPSA) is a systematic method for examining and evaluating the risk from earthquake-initiated accidents. The significant advances in the area of SPSA since the...
Published date:
27 September 2021
NEA/CRPPH/R(2019)5
The Joint Symposium on “Decommissioning, Reconstruction, Rehabilitation, and Food Safety: Rebuilding Post-Accident Confidence” – organised by the Organisation for Economic Co-operation and Developmen...
Published date:
22 June 2022
NEA/CSNI/R(2020)1
This report presents a study performed on a set of common-cause failure (CCF) events within the International Common-Cause Failure Data Exchange (ICDE) project. The topic of the study was intersystem...
Published date:
21 June 2022
NEA/CSNI/R(2018)8
The number of ageing nuclear power plants (NPPs) is increasing in NEA member countries. Accordingly, maintenance programmes, in-service inspection and testing of structures, systems and components im...
Published date:
6 December 2018
NEA/CSNI/R(2018)10
One of the major conclusions of this workshop was that simulation of electrical systems has not been adequately discussed at the international level despite the fact that it is used more and more fre...
Published date:
19 February 2019
NEA/CSNI/R(2018)11
This is a summary report by the Hydrogen Mitigation Experiments for Reactor Safety (HYMERES) project on the PANDA and MISTRA experiments.
Phase 1 of the Project, between 2013 and 2016, focused on imp...
Published date:
23 November 2018
NEA/CSNI/R(2019)1
Seismic hazards remain an important factor that nuclear power plant designers and operators worldwide must take into account. Therefore, the Working Group on the Integrity and Ageing of Components a...
Published date:
3 June 2019
NEA/CSNI/R(2007)15
The Material Scaling (MASCA) Project investigated in-vessel phenomena during a severe accident. In particular, it addressed the influence of the chemical composition of the molten corium on the heat ...
Published date:
1 June 2007
NEA/CSNI/R(2004)23
The focus of the Material Scaling (MASCA) Project was to investigate in detail the chemical behaviour of corium in contact with structural materials, with emphasis mainly on steel. This report provid...
Published date:
1 November 2004
NEA/CSNI/R(2004)24
At its annual meeting in December 1999, the Committee on the Safety of Nuclear Installations (CSNI) issued a recommendation to set up an international collaborative project in the field of thermal-hy...
Published date:
1 December 2004
NEA/CSNI/R(2004)22
The Committee on the Safety of Nuclear Installations (CSNI) workshop on “Seismic Input Motions Incorporating Recent Geological Studies” was held in Tsukuba, Japan on 15-17 November 2004, and was host...
Published date:
14 February 2005
NEA/CSNI/R(2004)21
The Third International Conference on Fatigue of Reactor Components held in Seville, Spain on 3-6 October 2004 was co-organised by the EPRI, the US NRC and the OECD NEA Committee on the Safety of Nuc...
Published date:
5 January 2005
NEA/CSNI/R(2019)2
In the face of severe accident scenarios with melted core material, such as those that occurred at Three Mile Island-2 in 1979 and at Fukushima Daiichi in 2011, the integrity assessment of primary ci...
Published date:
16 August 2019
NEA/CSNI/R(2019)2/ADD1
This is a companion document to the final report of the COSSAL project. It includes appendices which address participant responses to a questionnaire, the data of the problem statement on the large-s...
Published date:
16 August 2019
NEA/CSNI/R(2014)15
The SERENA Project Integration Report summarises the outcome of a broad range of activities conducted in the framework of the OECD Nuclear Energy Agency (NEA) Steam Explosion Resolution for Nuclear A...
Published date:
1 February 2015
NEA/CSNI/R(2014)14
The objective of the Post-BEMUSE Reflood Model Input Uncertainty Methods (PREMIUM) Benchmark is to progress on the issue of the quantification of the uncertainty of the physical models in system ther...
Published date:
23 February 2015
NEA/CSNI/R(2014)12
Following recommendations made at an exploratory meeting of experts to define an action plan on the application of Computational Fluid Dynamics (CFD) codes to nuclear reactor safety (NRS) problems, h...
Published date:
16 January 2015
NEA/CSNI/R(2014)11
In May 2002, an exploratory meeting of experts to define an action plan on the application of Computational Fluid Dynamics (CFD) Codes to nuclear reactor safety problems was held in Aix-en-Provence, ...
Published date:
12 February 2015
NEA/CSNI/R(2014)10
The impact of leaking fuel rods on the operation of nuclear power plants and the practices of handling leaking fuel has been reviewed by the CSNI Working Group on Fuel Safety (WGFS) in order to promo...
Published date:
18 July 2014
NEA/CSNI/R(2014)8
At the 14th plenary meeting of the Working Group on Analysis and Management of Accidents (WGAMA), a proposal for a status paper on hydrogen generation, transport and mitigation under severe accident ...
Published date:
20 January 2015
NEA/CSNI/R(2014)7
The main objectives of this status report on FCVSs in OECD countries, as defined by the Working Group on Analysis and Management of Accidents (WGAMA), were to: compile the status on the implementatio...
Published date:
2 July 2014
NEA/CSNI/R(2014)5
The Committee on the Safety of Nuclear Installations (CSNI) approved in December 2008 a proposal of the Working Group on Integrity and Ageing of Components and Structures (WGIAGE) to conduct a round ...
Published date:
27 August 2014
NEA/CSNI/R(2014)5/ADD1
A round robin exercise (RRE) on Improving the Robustness Assessments Methodologies for Structures Impacted by Missiles (IRIS-2012) was instituted jointly by IRSN, France and CNSC, Canada based on exp...
Published date:
30 June 2014
NEA/CSNI/R(2014)4
Following the CFD4NRS workshops held in Garching, Germany (September 2006), Grenoble, France (September 2008) and Washington D.C., USA (September 2010), this workshop, held in Daejeon, Korea on 10-12...
Published date:
14 February 2014
NEA/CSNI/R(2014)3
This report initially provides a brief overview of the main features of a PWR, BWR, CANDU and VVER reactors. It also provides an overview of the ex-vessel corium retention (core catcher) and a genera...
Published date:
23 May 2014
NEA/CSNI/R(2014)1
This NEA WGIAGE workshop was held in Prague, Czech Republic on17-19 September 2013, with the objective to present and discuss the state-of-the-art techniques for the integrity assessment of concrete ...
Published date:
30 January 2015
NEA/CSNI/R(2015)19
The objective of this joint WGAMA-WPNEM activity was to benchmark software tools used to estimate consequences of accidents at nuclear facilities. Two aspects of accident consequences were considered...
Published date:
1 January 2016
NEA/CSNI/R(2015)18
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...
Published date:
1 March 2015
NEA/CSNI/R(2015)17
In the light of the TEPCO Fukushima accident, this report documents a study performed on a set of common-cause failure (CCF) events due to external factors, meaning that not only storms and hurricane...
Published date:
20 October 2015
NEA/CSNI/R(2015)16
The workshop took place in Brugg, Switzerland on 24-26 February 2014. It was conducted with participation of a number of invited key speakers from academic research and a range of industries, includi...
Published date:
20 October 2015
NEA/CSNI/R(2015)15
This workshop, held in Pavia, Italy on 4-6 February 2015, was the fourth in a series of NEA meetings (Tokyo, Japan, August 1999, Jeju, Korea, November 2006, Lyon, France, April 2008), dedicated to pr...
Published date:
7 September 2015
NEA/CSNI/R(2015)14
The Committee on the Safety of Nuclear Installations (CSNI) Working Group on Risk Assessment (WGRISK) (formerly PWG5) established in 1996 a Task Group to review the status and maturity of methods use...
Published date:
16 December 2015
NEA/CSNI/R(2015)13
This report was written by members of the Working Group on Integrity and Ageing of Components and Structures (WGIAGE) of the NEA, and the members of the metal subgroup were responsible for developing...
Published date:
22 December 2015
NEA/CSNI/R(2015)11
This report documents a study performed on a set of ICDE events related to heat exchangers. The events studied here had been collected in the ICDE database. Organisations from Canada, Germany, Japan,...
Published date:
1 April 2013
NEA/CSNI/R(2015)10
Due to the potential safety significance of HEAF events the NEA initiated a project to provide an in-depth investigation on such events in NEA member states. The general objective of the study was to...
Published date:
9 June 2015
NEA/CSNI/R(2011)1/REV1
This Joint Strategic Plan for the Committee on Nuclear Regulatory Activities (CNRA) and the Committee on the Safety of Nuclear Installations (CSNI) takes into account the evolving status of the nucle...
Published date:
25 February 2013
NEA/CSNI/R(2011)2
The Operating Plan describes CSNI responsibility and organisation, overall scope of work and working methods, and is supplemented by the so-called CSNI Activity Report, which contains a description o...
Published date:
19 April 2011
NEA/CSNI/R(2011)3
In 1998, the Committee on Nuclear Regulatory Activities (CNRA) issued a report on future nuclear regulatory challenges which discussed the potential erosion of safety margins as an area for further r...
Published date:
30 November 2011
NEA/CSNI/R(2011)5
The OECD/NEA-Vattenfall T-Junction Benchmark was initiated to test the ability of state-of-the-art computational fluid dynamics (CFD) codes to predict the important parameters affecting high-cycle th...
Published date:
12 May 2011
NEA/CSNI/R(2010)15
Two subjects – stress corrosion cracking (SCC) and degradation of cable insulation – were selected as the focus of the SCC and Cable Ageing Project (SCAP) due to their relevance for plant ageing asse...
Published date:
13 April 2011
NEA/CSNI/R(2010)13
The idea of a benchmark study on risk-informed in-service inspection (RI-ISI) was initially developed within a subgroup of the ENIQ Task Group on Risk. The preliminary JRC project proposal was endors...
Published date:
26 January 2011
NEA/CSNI/R(2010)12
In 2007, the NEA Committee on the Safety of Nuclear Installations (CSNI) completed a study on Nuclear Safety Research in OECD Countries: Support Facilities for Existing and Advanced Reactors (SFEAR) ...
Published date:
1 January 2011
NEA/CSNI/R(2010)11
Severe accident management guidelines (SAMGs) increase focus on containment integrity after some progression in the course of a severe accident. This change in priorities is made according to criteri...
Published date:
18 January 2011
NEA/CSNI/R(2010)10/VOL2
A joint workshop of the Working Group on the Analysis and Management of Accidents (WGAMA) and the Working Group on Risk Assessment (WGRISK) on implementation of severe accident management (SAM) measu...
Published date:
3 December 2010
NEA/CSNI/R(2010)10/VOL1
A joint workshop of the Working Group on the Analysis and Management of Accidents (WGAMA) and the Working Group on Risk Assessment (WGRISK) on implementation of severe accident management (SAM) measu...
Published date:
3 December 2010
NEA/CSNI/R(2010)9
The Task on the Core Exit Temperature (CET) thermocouple effectiveness in Accident Management (AM) was initiated based on a discussion held by the NEA’s Committe on the Safety of Nuclear Installation...
Published date:
26 November 2010
NEA/CSNI/R(2010)8
An NEA specialists’ meeting “Identifying and Overcoming Barriers to Effective Consideration of Human and Organisational Factors in Event Analysis and Root Cause Analysis” was held in Paris, France on...
Published date:
8 March 2011
NEA/CSNI/R(2009)19
Several OECD member countries agreed to establish the OECD/NEA Piping Failure Data Exchange Project (OPDE) to encourage multilateral co-operation in the collection and analysis of data relating to de...
Published date:
5 November 2009
NEA/CSNI/R(2018)12
Several NEA member countries have agreed to establish the Component Operational Experience, Degradation and Ageing Programme (CODAP) to encourage multilateral co-operation in the collection and analy...
Published date:
4 April 2019
NEA/CSNI/R(2018)2
Structural integrity of piping systems is important for safety and operability of nuclear plants. In recognition of this, information on degradation and failure of piping components and systems is co...
Published date:
24 May 2018
NEA/CSNI/R(2017)3
This third topical report is concerned with the effectiveness of pressure boundary component reliability and integrity management (RIM). Specifically, this report addresses operating experience insig...
Published date:
15 January 2017
NEA/CSNI/R(2015)6
This Topical Report from the Component Operational Experience, Degradation and Ageing Programme (CODAP) addresses operating experience insights on two types of piping systems that have the following ...
Published date:
26 March 2015
NEA/CSNI/R(2014)6
The Component Operational Experience, Degradation & Ageing Programme (CODAP) Topical Report on FAC of Carbon Steel and Low Alloy Steel Piping includes a primer on the environmental and operational fa...
Published date:
20 January 2015
NEA/CSNI/R(2015)7
CODAP is the continuation of the 2002-2011 “OECD/NEA Pipe Failure Data Exchange Project” (OPDE) and the work by the Stress Corrosion Cracking Working Group of the 2006–2010 “OECD/NEA SCC and Cable Ag...
Published date:
4 May 2015
放射性廃棄物は、医療・産業・研究・発電など幅広い活動から発生する。このような廃棄物はすべて、人の健康と環境の保護を最優先して安全に管理しなくてはならない。何十年にも及ぶ研究活動を経て、国際科学界は今では、高レベル放射性廃棄物を深地層最終処分場(DGR)に定置することが安全かつ効果的であると確信するに至っている。
各国政府は、それぞれが最良であると信じるエネルギー・環境政策を実施する絶対的な権利と責...
Published date:
14 April 2022
Radioactive waste results from many different activities in health care, industry, research, and power production. All such waste must be managed safely, with the protection of human health and the e...
Published date:
1 January 2020
NEA/CSNI/R(2020)4
The investigation conducted in the last 15 years on different aspects of Source Term worldwide, and particularly in the context of the Nuclear Energy Agency (NEA) in the form of projects and the Work...
Published date:
14 April 2022
One of the key areas in fuel safety is the analysis of fuel behaviour under reactivity-initiated accident conditions. Reactivity-initiated accident fuel rod codes have been developed for a significan...
Published date:
13 April 2022
Les milieux de la radioprotection à l'échelle internationale ont dressé un important bilan de la situation aux alentours du réacteur endommagé de Tchernobyl à l'occasion du dixième anniversaire de l'...
Published date:
31 December 2003
National radioactive waste management programmes are in various phases of siting facilities and rely on distinct technical approaches for different categories of waste. In all cases, it is necessary ...
Published date:
6 April 2010
NEA/RWM/R(2020)1
The Forum on Stakeholder Confidence (FSC) was created in 2000 under a mandate from the OECD Nuclear Energy Agency (NEA) Radioactive Waste Management Committee (RWMC) to facilitate the sharing of inte...
Published date:
26 February 2021
NEA/RWM/R(2019)4
This document is the fourth of the five interrelated reports of the Radioactive Waste Repository Metadata Management (RepMet) Initiative. The series of reports discusses the key aspects of data and r...
Published date:
1 March 2022
National programmes for radioactive waste management require very large amounts of data and information across multiple and disparate disciplines. These programmes tend to run over a period of many d...
Published date:
10 December 2018
NEA/RWM/R(2019)2
This document is the second of the five interrelated reports of the Radioactive Waste Repository Metadata Management (RepMet) Initiative. The series of reports discusses the key aspects of data and r...
Published date:
1 March 2022
NEA/RWM/R(2019)3
This document is the third of the five interrelated reports of the Radioactive Waste Repository Metadata Management (RepMet) Initiative. The series of reports discusses the key aspects of data and re...
Published date:
1 March 2022
NEA/RWM/R(2019)5
This document is the fifth of the five interrelated reports of the Radioactive Waste Repository Metadata Management (RepMet) Initiative. The series of reports discusses the key aspects of data and re...
Published date:
1 March 2022
The NEA Clay Club has been gathering the key geoscientific characteristics of the various argillaceous formations that are – or have been – studied in NEA member countries in the context of radioacti...
Published date:
9 March 2022
The OECD/NEA Working Group on the Characterisation, the Understanding and the Performance of Argillaceous Rocks as Repository Host Formations, namely the “Clay Club”, examines the various argillaceou...
Published date:
2 September 2005
Published date:
5 February 2007
The OECD Nuclear Energy Agency (NEA) Forum on Stakeholder Confidence (FSC) acts as a centre for informed exchange of knowledge and experience regarding stakeholder interaction and public participatio...
Published date:
20 January 2022
東日本大震災とそれに続く福島第一原子力発電所事故から10年が経ち、多くの教訓が得られたが、まだ多くの課題が残っている。
この報告書は福島第一原子力発電所の現況と、事故後の日本の当局並びに国際社会の対応について報告するもので、事故に起因する多面的な問題を政策決定者と一般市民双方が理解することに役立つであろう。それには、災害復旧努力、損害賠償、原子力安全、原子力規制、放射線防護、廃炉作業、放射性廃棄物...
Published date:
28 July 2021
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...
Published date:
15 July 2021
NEA/CSNI/R(2020)3
When looking for a validation experiment for CFD application to reactor simulation for either design or safety studies, it appears that available data often suffer from a lack of local measurements, ...
Published date:
17 February 2022
Le Bulletin de droit nucléaire est une publication internationale unique en son genre destinée aux juristes et aux universitaires en droit nucléaire. Ses lecteurs bénéficient d’informations exhaustiv...
Published date:
6 December 2021
The decisions made about protective actions of people and the environment in situations involving exposure to ionising radiation have tended to be driven by subjective judgements about the health ris...
Published date:
26 February 2021
Understanding the accident at the Fukushima Daiichi Nuclear Power Plant is important for safe and timely decommissioning of the reactors. This objective, together with the development of better compu...
Published date:
28 September 2021
Experimental facilities in nuclear energy are key to addressing safety issues. The recent loss of some critical infrastructure, from facilities to industry expertise, has therefore become a concern f...
Published date:
8 September 2021
As the Fukushima Daiichi nuclear power plant (NPP) accident illustrates, many challenges have to be faced in maintaining safety over the long term in a damaged NPP following a severe accident. These ...
Published date:
29 April 2021
The diversity in classification schemes across countries has restricted the possibility of comparing waste inventories and led to difficulties in interpreting waste management practices, both nationa...
Published date:
26 November 2020
Nuclear power plants are used extensively as base load sources of electricity. This is the most economical and technically simple mode of operation. In this mode, power changes are limited to frequen...
Published date:
1 June 2011
Nuclear Energy Agency (NEA) Director-General William D. Magwood, IV sat down with Director-General Wanner and Chief Nuclear Officer Harrison during the NEA-IAEA-WANO Human Capital Workshop in June 20...
Published date:
16 December 2019
Insights from Leaders in Nuclear Energy shares personal insights through a series of in-depth conversations between the OECD Nuclear Energy Agency Director-General and leading figures in the sector. ...
Published date:
15 January 2019
Many different estimates for the cost of radioactive waste disposal in geological repositories have been published. This study, aimed at the general reader, illustrates why the published cost estimat...
Published date:
1 January 1993
NEA/CSNI/R(2011)14
The OECD Nuclear Energy Agency developed an initiative to form writing groups of experts with the specific task of assessing the maturity of computational fluid dynamics (CFD) codes for nuclear reaco...
Published date:
1 February 2012
NEA/CSNI/R(2009)15
The present report has been prepared by the Committee on the Safety of Nuclear Installations (CSNI) Working Group on Fuel Safety (WGFS) and covers the following technical aspects:
Published date:
1 January 2009
NEA/CSNI/R(2011)6
In 2009, the Committee on the Safety of Nuclear Installations (CSNI) approved a proposal by the Working Group on Integrity and Ageing of Components and Structures (WGIAGE) to assess current knowledge...
Published date:
13 October 2011
NEA/CSNI/R(2011)7
The NEA Committe on the Safety of Nuclear Installations (CSNI), noting that different approaches to determining cladding embrittlement criteria produced nearly identical limits, asked the Working Gro...
Published date:
1 January 2011
NEA/CSNI/R(2011)8
In December 2008, the Committee on the Safety of Nuclear Installations (CSNI) approved a proposal of the Working Group on Integrity and Ageing of Components and Structures (WGIAGE) to conduct a round...
Published date:
19 January 2012
NEA/CSNI/R(2011)9
The main goal of the ISP-49 on Hydrogen Combustion is to identify the contemporary level of the numerical tools in the area of hydrogen combustion simulation under the conditions typical for safety c...
Published date:
18 January 2012
NEA/CSNI/R(2011)10
The Studsvik Cladding Integrity Project (SCIP) was initiated in 2004 as an OECD/NEA project with Studsvik Nuclear as the operating agent. Since its start, 27 signatories from 13 countries joined the ...
Published date:
19 January 2012
NEA/CSNI/R(2011)11
A status report by the NEA’s Committee on the Safety of Nuclear Installations (CSNI) on iodine behaviour published in February 2007 concluded that although the understanding of iodine behaviour in co...
Published date:
11 January 2012
NEA/CSNI/R(2011)12
In this document, the general coding guidelines for the OECD NEA ICDE Project (International Common Cause Failure Data Exchange) are presented with explanations and appendices for each analysed compo...
Published date:
21 February 2012
NEA/CSNI/R(2011)13
The primary role of the OECD Nuclear Energy Agency (NEA) Working Group on Human and Organisational Factors (WGHOF) is to improve the current understanding and treatment of human and organisational fa...
Published date:
1 January 2012
NEA/CSNI/R(2011)4
The Best-estimate Methods – Uncertainty and Sensitivity Evaluation (BEMUSE) programme, promoted by the Working Group on Analysis and Management of Accidents (WGAMA) and endorsed by the Committee on t...
Published date:
28 March 2011
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23 December 2004
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23 December 2003
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23 December 2002
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23 December 2002
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23 December 2002
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22 December 2000
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23 December 1999
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23 December 1999
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23 December 1999
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23 December 1999
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23 December 1998
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23 December 1998
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23 December 1997
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23 December 1997
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23 December 1980
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23 December 1997
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23 December 1997
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23 December 1997
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23 December 1997
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23 December 1997
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22 December 1995
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22 December 1995
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23 December 1994
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23 December 1994
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23 December 1993
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21 December 1992
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23 December 1991
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23 December 1992
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23 December 1992
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23 December 1991
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21 December 1990
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22 December 1989
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23 December 1991
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26 December 1986
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23 December 1986
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23 December 2014
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22 December 1986
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23 December 1988
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22 December 1989
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23 December 1983
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23 December 2009
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23 December 2009
NEA/CSNI/R(2012)2
Probabilistic Safety Assessment/Probabilistic Risk Assessment (PSA/PRA) for new and advanced reactors is recognised as an important approach to achieve improved safety and performances of new nuclear...
Published date:
23 December 2012
NEA/CSNI/R(2019)16
Two important lessons learnt from the March 2011 Fukushima Daiichi nuclear power plant (NPP) accident were: 1) there can be significant interactions between multiple co-located radiological sources (...
Published date:
19 April 2021
Published date:
23 December 2009
Published date:
23 December 2009
Published date:
7 October 1980
NEA/CSNI/R(2015)12
On 28-30 April 2014, the CSNI Working Group on Risk Assessment (WGRISK) held a workshop on Fire Probabilistic Risk Assessment (PRA) in Garching, Germany. The meeting was attended by nearly 60 partici...
Published date:
1 November 2015
NEA/CSNI/R(2014)9
The Fukushima Dai-ichi accident triggered discussions about the significance of external hazards and their treatment in safety analyses. In addition, stress tests results have shown vulnerabilities a...
Published date:
2 July 2014
Published date:
6 October 1980
The Nuclear Law Bulletin is a unique international publication for both professionals and academics in the field of nuclear law. It provides readers with authoritative and comprehensive information o...
Published date:
12 January 2022
NEA/MBDAV/R(2019)1
Workshop Proceedings, Barcelona, Spain 28 January-1 February 2019
The computer code system PENELOPE (version 2018) performs Monte Carlo simulation of coupled electron-photon transport in arbitrary ma...
Published date:
2 September 2019
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...
Published date:
1 October 2020
Published date:
26 January 2022
NEA/CSNI/R(2007)2
Uncertainty in relation to several severe accident phenomena plays a major role in probabilistic safety analyses involving beyond-design-basis accident scenarios for nuclear power plants. The technic...
Published date:
26 January 2022
NEA/CSNI/R(2010)7
The NEA Working Group on Fuel Safety (WGFS) is tasked with advancing the current understanding of fuel safety issues by assessing the technical basis for current safety criteria and their applicabili...
Published date:
15 December 2010
NEA/CSNI/R(2010)6
The NEA Working Group on Fuel Safety (WGFS) is tasked with advancing understanding of fuel safety issues by assessing the technical basis for current safety criteria and their applicability to high b...
Published date:
15 November 2010
NEA/CSNI/R(2010)5
Since the time of the first loss-of-coolant accident (LOCA) experiments, which were largely conducted with fresh fuel, changes in fuel design, the introduction of new cladding materials and in partic...
Published date:
15 November 2010
NEA/CSNI/R(2010)4
The objective of the NEA’s Working Group on Fuel Cycle Safety (WGFCS) is to advance the understanding for both regulators and operators of relevant aspects of nuclear fuel cycle safety in member coun...
Published date:
24 November 2010
NEA/CSNI/R(2010)3
In June 2005, the Committee on the Safety of Nuclear Installations (CSNI) agreed to set up an expert meeting on the German proposal concerning the THAI Project. The objectives of the project were to ...
Published date:
22 June 2010
NEA/CSNI/R(2010)2
This document is an extension of the NEA/SEN/SIN/AMA(2006)2 report produced by Writing Group 3 on the extension of computational fluid dynamics (CFD) to two-phase flow safety problems. Writing Group ...
Published date:
21 July 2010
NEA/CSNI/R(2010)1
In 1986, a working group of the NEA Committee on the Safety of Nuclear Installations issued a state-of-the-art report on water reactor fuel behaviour in design-basis accident (DBA) conditions. The re...
Published date:
23 April 2010
NEA/CSNI/R(2014)16
The objective of the Digital System Reliability Failure Mode Taxonomy (DIGREL) task group, formed under the OECD/NEA Working Group on Risk Assessment (WGRISK), has been to develop a taxonomy of failu...
Published date:
16 February 2015
NEA/CSNI/R(2017)5
The main objective of the Working Group on Risk Assessment (WGRISK) is to advance Probabilistic Safety Assessment (PSA) understanding and to enhance its use for improving the safety of nuclear instal...
Published date:
1 September 2017
NEA/CSNI/R(2018)1
The mission of the Nuclear Energy Agency (NEA) Committee on the Safety of Nuclear Installations (CSNI) Working Group on Risk Assessment (WGRISK) is to advance understanding of probabilistic safety as...
Published date:
19 December 2018
NEA/CSNI/R(2019)10
This report provides descriptions of the current status of PSA programmes in member countries; including basic background information, guidelines, various PSA applications, major results in recent st...
Published date:
3 November 2020
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...
Published date:
14 June 2007
NEA/CSNI/R(2020)5
The Workshop on Experimental Validation and Application of CFD and CMFD Codes to Nuclear Reactor Safety Issues, CFD4NRS-7 was the seventh in a series of workshops focusing on Computational Fluid Dyna...
Published date:
19 January 2022
NEA/CSNI/R(2009)14
The workshop on Taking Account of Feedback on Sump Clogging was held at the OECD Conference Centre in Paris, France on 4-5 December 2008. It was organised under the auspices of the Committee on Nucle...
Published date:
8 January 2010
NEA/CSNI/R(2009)13
The Best-estimate Methods – Uncertainty and Sensitivity Evaluation (BEMUSE) programme, promoted by the Working Group on Accident Management and Analysis (WGAMA) and endorsed by the Committee on the S...
Published date:
21 December 2009
NEA/CSNI/R(2009)12
Computational fluid dynamics (CFD) is to an increasing extent being adopted in nuclear reactor safety analyses as a tool that enables specific safety relevant phenomena occurring in the reactor coola...
Published date:
6 January 2010
NEA/CSNI/R(2009)11
There is a growing interest from some nuclear regulatory bodies, as well as licensees, in methods and approaches that can be used to ensure that the licensee organisations are well structured and hav...
Published date:
3 December 2009
NEA/CSNI/R(2009)10
The NEA Committee on the Safety of Nuclear Installations (CSNI) authorised formation of a task group in January 2008 to examine Defence in Depth of Electrical Systems and Grid Interaction with nuclea...
Published date:
9 November 2009
NEA/CSNI/R(2009)9
The Committee on the Safety of Nuclear Installations (CSNI) Working Group on Integrity and Ageing of Components and Structures (WGIAGE) considered there was a need to review the state-of-the-art tech...
Published date:
14 December 2009
NEA/CSNI/R(2009)8
The Committee on the Safety of Nuclear Installations (CSNI) established the Task Group on Advanced Reactor Experimental Facilities (TAREF) in 2008 with the objective of providing an overview of facil...
Published date:
1 January 2009
NEA/CSNI/R(2009)7
This technical opinion paper represents the consensus of the Committe on the Safety of Nuclear Installations (CSNI) Working Group on Human and Organisational Factors (WGHOF) on the state of research ...
Published date:
1 January 2009
NEA/CSNI/R(2009)6
In 2000, the Committee on the Safety of Nuclear Installations (CSNI) approved the establishment of a Fire Incident Records Exchange Project on collection of data on fire events at nuclear power plant...
Published date:
24 September 2009
NEA/CSNI/R(2009)5
The Committee on the Safety of Nuclear Installations (CSNI) mandated the preparation of a SOAR with four main objectives:
- to assess the status of existing experimental data and analytical capabiliti...
Published date:
17 December 2009
NEA/CSNI/R(2009)3
This Phase II exercise was the first benchmarking of severe accident codes promoted by NEA in almost 20 years. The objective of the exercise was to perform a code benchmark on a well-defined plant (s...
Published date:
3 August 2009
NEA/CSNI/R(2009)2
This report documents the proceedings of a Committe on the Safety of Nuclear Installations (CSNI) workshop on risk-informed piping integrity management. Hosted by the Consejo de Seguridad Nuclear (CS...
Published date:
23 September 2009
NEA/CSNI/R(2009)1
Following the recommendations of a previous meeting held in Jeju, Korea on 6-8 November 2006, the Committee on the Safety of Nuclear Installations (CSNI) approved a proposal of the Working Group on I...
Published date:
13 August 2009
NEA/CSNI/R(2012)6/VOL3
This report describes final prediction results by system analysis codes during the OECD/NEA ISP-50 exercise, targeting a 50% direct vessel injection (DVI) line break integral effect test performe...
Published date:
27 February 2012
NEA/CSNI/R(2008)14
The Committee on the Safety of Nuclear Installations (CSNI) Working Group on Integrity and Ageing of Components and Structures (WGIAGE) has as a general mandate to advance the current understanding o...
Published date:
17 December 2008
NEA/CSNI/R(2008)13
During the mid 1990s a task group was formed within the Organisation for Economic Co-operation and Development/Nuclear Energy Agency (OECD/NEA) to exchange information on events involving computer-ba...
Published date:
5 January 2009
NEA/CSNI/R(2008)12
The Committee on the Safety of Nuclear Installations (CSNI) Working Group on Human and Organisational Factors (WGHOF) is tasked to improve the current understanding of human and organisational perfor...
Published date:
1 January 2009
NEA/CSNI/R(2008)11
The NEA Working Group on Human and Organisational Factors (WGHOF) is tasked to improve the current understanding of human and organisational performance and the way in which this impacts upon nuclear...
Published date:
1 January 2009
NEA/CSNI/R(2008)10
Regulatory bodies are taking a growing interest in the issue of safety culture, and several are actively working to develop and implement approaches to maintaining oversight of licensee safety cultur...
Published date:
1 August 2008
To mark the tenth anniversary of the Chernobyl accident, the NEA Committee on Radiation Protection and Public Health published a concise report reviewing the current knowledge of the serious impacts ...
Published date:
1 January 1996
NEA/CSNI/R(2005)2
At the Committee on the Safety of Nuclear Installations (CSNI) meeting of June 2002, a proposal for a benchmark on thermal fatigue in fluid mixing areas based on the test performed by the Commissaria...
Published date:
1 August 2005
NEA/CSNI/R(2005)4
This document is the third in a series of the NEA’s Committee on the Safety of Nuclear Installations (CSNI) Working Group on Operating Experience (WGOE) technical notes on nuclear power plant (NPP) r...
Published date:
25 January 2005
NEA/CSNI/R(2005)1
The TMI-2 accident keeps providing unique full scale data giving opportunities to check the ability of the codes to model overall plant behaviour and to perform many sensitivity and uncertainty calcu...
Published date:
10 March 2005
NEA/CSNI/R(2005)3
In December 2000, the Committee on Nuclear Regulatory Activities (CNRA) and the Committee on the Safety of Nuclear Installations (CSNI) agreed to prepare a state-of-the art report addressing the pres...
Published date:
28 July 2005
NEA/CSNI/R(2005)5/VOL1
At the Committee on the Safety of Nuclear Installations (CSNI) meeting in June 2002, the proposal for an International Standard Problem on containment integrity (ISP 48) based on the NRC/NUPEC/Sandia...
Published date:
6 September 2005
NEA/CSNI/R(2005)5/VOL2
At the Committee on the Safety of Nuclear Installations (CSNI) meeting in June 2002, the proposal for an International Standard Problem on containment integrity (ISP 48) based on the NRC/NUPEC/Sandia...
Published date:
6 September 2005
NEA/CSNI/R(2005)5/VOL3
At the Committee on the Safety of Nuclear Installations (CSNI) meeting in June 2002, the proposal for an International Standard Problem on containment integrity (ISP 48) based on the NRC/NUPEC/Sandia...
Published date:
6 September 2005
NEA/CSNI/R(2005)7
At the Committee on the Safety of Nuclear Installations (CSNI) meeting of June 2002, a proposal for an International Standard Problem on containment integrity (ISP 48) based on the NRC/NUPEC/Sandia t...
Published date:
11 October 2005
NEA/CSNI/R(2005)8
In 2002, the Committee on the Safety of Nuclear Installations (CSNI) requested the Working Group on the Integrity and Ageing of Reactor Components and Structures (WGIAGE) to prepare a programme of wo...
Published date:
27 July 2005
NEA/CSNI/R(2005)9
In December 2000, the Committee on Nuclear Regulatory Activities (CNRA) and the Committee on the Safety of Nuclear Installations (CSNI) agreed to prepare a state-of-the art report addressing the pres...
Published date:
28 July 2005
NEA/CSNI/R(2005)10
The OECD/NEA Committee on Safety of Nuclear Installations (CSNI) addressed the issue of modifications at a workshop on “Modifications at Nuclear Power Plants – Operating Experience, Safety Significan...
Published date:
1 December 2005
NEA/CSNI/R(2006)1
The Committee on Safety of Nuclear Installations (CSNI) Special Experts’ Group on Human and Organisational Factors (SEGHOF) was requested by the Committee on Nuclear Regulatory Actions (CNRA) to exam...
Published date:
16 March 2006
NEA/CSNI/R(2006)2
The Best-estimate Methods – Uncertainty and Sensitivity Evaluation (BEMUSE) Programme, promoted by the Working Group on Accident Management and Analysis (WGAMA) and endorsed by the Committee on the S...
Published date:
19 June 2006
NEA/CSNI/R(2006)5
This document is intended to provide regulators, their technical support organisations and industry with a concise review of existing fuel experimental data at reactivity-initiated accident (RIA) and...
Published date:
28 November 2006
NEA/CSNI/R(2006)6
The purpose of this report is to present in a concise form how some safety matters associated with currently operating light water reactors have been addressed. The issues discussed in this report ar...
Published date:
2 November 2006
NEA/CSNI/R(2006)7
Due to the importance of human and organisational performance on nuclear plant maintenance, the Committee on the Safety of Nuclear Installations (CSNI) Special Experts’ Group on Human and Organisatio...
Published date:
5 April 2007
NEA/CSNI/R(2006)8
The Committee on the Safety of Nuclear Installations (CSNI), at its meeting in June 2003, agreed to conduct a survey to collect information that help to identify common needs and area of potential co...
Published date:
24 May 2007
NEA/CSNI/R(2007)1
The OECD Nuclear Energy Agency has long recognised the importance of iodine behaviour and has organised workshops and international standard problems on the subject. In the meantime, experimental and...
Published date:
23 February 2007
NEA/CSNI/R(2007)3
Computational fluid dynamics (CFD) is to an increasing extent being adopted in nuclear reactor safety analyses as a tool that enables specific safety relevant phenomena occurring in the reactor coola...
Published date:
1 January 2007
NEA/CSNI/R(2007)4
The Best-estimate Methods – Uncertainty and Sensitivity Evaluation (BEMUSE) programme promoted by the Working Group on Accident Management and Analysis (WGAMA) and endorsed by the Committee on the Sa...
Published date:
11 October 2007
NEA/CSNI/R(2007)5
In May 2002, an “Exploratory Meeting of Experts to Define an Action Plan on the Application of Computational Fluid Dynamics (CFD) Codes to Nuclear Reactor Safety Problems” was held in Aix-en-Provence...
Published date:
15 May 2007
NEA/CSNI/R(2007)6
This report provides an overview of experimental facilities that can be used to address nuclear safety research issues in OECD member countries, and identifies priorities for organising international...
Published date:
1 January 2007
NEA/CSNI/R(2007)7/REV1
The Operating Plan describes the Committee on the Safety of Nuclear Installations (CSNI) responsibility and organisation, overall scope of work and working methods, and is supplemented by the so-call...
Published date:
11 April 2008
NEA/CSNI/R(2007)8
The Committee on the Safety of Nuclear Installations (CSNI) Working Group on Human and Oganisational Factors (WGHOF) and the Halden Reactor Project (HRP) hosted a joint workshop titled “Future Contro...
Published date:
15 October 2007
NEA/CSNI/R(2007)9
In 1998, the Committee on Nuclear Regulatory Activities (CNRA) issued a report on Future Nuclear Regulatory Challenges. This report discussed the potential erosion of safety margins as an area for fu...
Published date:
1 January 2007
NEA/CSNI/R(2007)10
The main objective of ISP-47 was to assess the capabilities of lumped parameter (LP) and computational fluid dynamics (CFD) codes in the area of containment thermal-hydraulics. Following the recommen...
Published date:
11 September 2007
NEA/CSNI/R(2007)11
The Steam Explosion Resolution for Nuclear Applications (SERENA) programme stems from concerns expressed by the Senior Group of Experts on Nuclear Safety Research Facilities and Programmes (SESAR/FAP...
Published date:
17 September 2007
NEA/CSNI/R(2007)13
Following recommendations made at an “Exploratory Meeting of Experts to Define an Action Plan on the Application of Computational Fluid Dynamics (CFD) Codes to Nuclear Reactor Safety (NRS) Problems”,...
Published date:
28 January 2008
NEA/CSNI/R(2007)17
At the Committee on the Safety of Nuclear Installations (CSNI) meeting in June 2003, a proposal of the CSNI Working Group on the Integrity and Ageing (WGIAGE) to examine the differences in approach b...
Published date:
1 February 2008
NEA/CSNI/R(2007)18
The Committee on the Safety of Nuclear Installations (CSNI) Workshop on Structural Reliability Evaluation and Mechanical Probabilistic Approaches of NPP Components was held in Lyon, France on 25-27 S...
Published date:
20 December 2021
NEA/CSNI/R(2008)1
Common-cause-failure (CCF) events can significantly impact the availability of safety systems of nuclear power plants. For this reason, the International Common Cause Failure Data Exchange (ICDE) pro...
Published date:
25 January 2008
NEA/CSNI/R(2008)2
The OECD-IAEA Paks Fuel Project was established in 2005 as a joint project between the International Atomic Energy Agency (IAEA) and the OECD Nuclear Energy Agency (NEA). The IAEA provided financial ...
Published date:
18 September 2008
NEA/CSNI/R(2008)3
At their meeting of December 2006, the NEA Committee on Nuclear Regulatory Activities (CNRA) and the NEA Committee on the Safety of Nuclear Installations (CSNI) agreed to hold a workshop on the Role ...
Published date:
1 January 2008
NEA/CSNI/R(2008)5
In 2007, the NEA Committee on the Safety of Nuclear Installations (CSNI) issued a report titled Nuclear Safety Research in OECD Countries: Support Facilities for Existing and Advanced Reactors (SFEAR...
Published date:
20 December 2021
NEA/CSNI/R(2008)6/VOL1
The Best-estimate Methods – Uncertainty and Sensitivity Evaluation (BEMUSE) programme, promoted by the Working Group on Accident Management and Analysis (WGAMA) and endorsed by the Committee on the S...
Published date:
26 November 2008
NEA/CSNI/R(2008)6/VOL2
The Best-estimate Methods – Uncertainty and Sensitivity Evaluation (BEMUSE) programme, promoted by the Working Group on Accident Management and Analysis (WGAMA) and endorsed by the Committee on the S...
Published date:
26 November 2008
NEA/CSNI/R(2008)6/VOL3
The Best-estimate Methods – Uncertainty and Sensitivity Evaluation (BEMUSE) programme, promoted by the Working Group on Accident Management and Analysis (WGAMA) and endorsed by the Committee on the S...
Published date:
26 November 2008
NEA/CSNI/R(2008)7
The Committee on the Safety of Nuclear Installations (CSNI) Working Group on Integrity and Ageing of Components and Structures (WGIAGE) has as a general mandate to advance the current understanding o...
Published date:
17 July 2008
NEA/RWM/R(2020)2
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 ...
Published date:
30 November 2021
NEA/RWM/R(2019)6
In July 2016, the Nuclear Energy Agency (NEA) and the International Atomic Energy Agency (IAEA) held a joint workshop to evaluate the current state of the art on operational safety of geological repo...
Published date:
30 November 2021
Published date:
25 November 2021
NEA/CNRA/R(2020)1
During the six decades of commercial nuclear power operation so far, nuclear programmes in Nuclear Energy Agency (NEA) member countries have grown significantly. Effective communication among member ...
Published date:
7 October 2021
The Preservation of Records, Knowledge and Memory (RK&M) Across Generations initiative was launched by the Nuclear Energy Agency in 2011 to foster international reflection and progress towards this g...
Published date:
18 November 2015
Techniquement, les réacteurs nucléaires de fission, qu’ils soient en service ou en cours de construction, peuvent fournir des produits autres que l’électricité. Cependant, alors que les applications ...
Published date:
1 January 2004
Technically, nuclear fission reactors in operation or being built can supply non-electricity products. However, while non-electrical applications have been considered since the very beginning of nucl...
Published date:
1 January 2004
Radioactive waste inventory data are an important element in the development of a national radioactive waste management programme since these data affect the design and selection of the ultimate disp...
Published date:
28 August 2017
Radioactive waste inventory data are an important element in the development of a national radioactive waste management programme since these data affect the design and selection of the ultimate disp...
Published date:
28 July 2016
NEA/CRPPH/R(2020)2
Optimisation of protection, to keep radiological exposures as low as reasonably achievable (ALARA), taking into account social, economic and, more recently, environmental circumstances, has been cent...
Published date:
5 October 2021
NEA/CSNI/R(2004)3
This document is the second in a series of CSNI Working Group on Operating Experience (WGOE) technical notes on recent events in nuclear power plants (NPPs). The purpose is to transmit WGOE views to ...
Published date:
16 January 2004
NEA/CNRA/R(2019)1
This report describes the regulatory perspectives on safety aspects related to the calculation and justification of neutronic characteristics and criticality safety assessment of advanced sodium fast...
Published date:
1 October 2021
NEA/CSNI/R(2004)4
Several member countries of the Nuclear Energy Agency of the Organisation for Economic Co-operation and Development (OECD/NEA) established the International Common-Cause Failure Data Exchange Project...
Published date:
30 January 2004
NEA/CSNI/R(2004)5
This revised document was reviewed and endorsed in September 2003 by the Committee on the Safety of Nuclear Installations (CSNI) Working Group on the Analysis and Management of Accidents (WGAMA), whi...
Published date:
9 March 2004
NEA/CSNI/R(2004)6
The “Current Severe Accident Research Facilities and Projects” list was compiled by the Committee on the Safety of Nuclear Installations Working (CSNI) Group on the Analysis and Management of Acciden...
Published date:
9 March 2004
NEA/CSNI/R(2004)7
The overall objective of the international OECD programme SERENA is to obtain convergence on the understanding of fuel-coolant interaction (FCI) processes and energetics, as well as on method(s) for ...
Published date:
12 March 2004
NEA/CSNI/R(2004)8
The OECD-NEA/RILEM workshop on the “Use and Performance of Concrete in Nuclear Power Plant Fuel Cycle Facilities”, conducted based on a proposal of the Committee on the Safety of Nuclear Installation...
Published date:
8 July 2004
NEA/CSNI/R(2004)9
The Committee on the Safety of Nuclear Installations (CSNI) workshop on “International Development and Co-operation on Risk-Informed In-Service (RI-ISI) and Non-destructive Testing (NDT) Qualificatio...
Published date:
14 February 2005
NEA/CSNI/R(2004)10
In the report “Nuclear Safety Research in OECD Countries: Summary Report of Major Facilities and Programmes at Risk“ published by the NEA/CSNI Senior Group of Experts on Nuclear Safety Research Facil...
Published date:
7 July 2004
Major nuclear safety research facilities and programmes are facing increasing budgetary constraints, and in many cases are being closed or terminated. This report identifies major facilities of vital...
Published date:
20 April 2001
NEA/CSNI/R(2004)11
At the Committe on the Safety of Nuclear Installations (CSNI) meeting of June 2002, a proposal for an International Standard Problem on containment integrity (ISP 48) based on the NRC/NUPEC/Sandia te...
Published date:
20 July 2004
NEA/CSNI/R(2004)12
The December 2000 meeting of the NEA Committee on the Safety of Nuclear Installations (CSNI) accepted a proposal to set up a task group to prepare a report describing research efforts related to wire...
Published date:
11 August 2004
NEA/CSNI/R(2004)16
The main objective of ISP exercises is to increase confidence in the validity and accuracy of the tools that are used in assessing the safety of nuclear installations. The secondary objective is to e...
Published date:
1 November 2004
NEA/CSNI/R(2004)17
The Nuclear Energy Agency Committe on the Safety of Nuclear Installations (CSNI) addressed the issue of modifications at the workshop “Modifications at Nuclear Power Plants – Operating Experience, Sa...
Published date:
1 October 2004
Published date:
1 July 2003
NEA/CSNI/R(2004)19
The Special Expert Group on Fuel Safety Margins (SEGFSM) was established by the Committee on the Safety of Nuclear Installations (CSNI) with the objective to advance the current understanding and to ...
Published date:
7 January 2005
- Post-pandemic recovery plans to reconcile climate objectives with economic goals need to put system costs at the heart of energy policy.
- Moving to a carbon neutral electricity system without nuclear...
Published date:
1 June 2020
NEA/RWM/FSC(2017)1
Bridging Gaps: Developing Sustainable Intergenerational Decision Making in Radioactive Waste Management
Published date:
9 April 2021
NEA/RWM/FSC(2008)3
As part of its programme of work, the OECD/NEA Forum on Stakeholder Confidence continues to investigate the theme of “Link Between RD&D and Stakeholder Confidence”. A topical session was held on 4 Ju...
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23 October 2008
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11 May 2006
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11 May 2006
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7 November 2003
NEA/RWM/FSC(2002)1
Stakeholder Involvement and Confidence in the Process of Decision-making for the Disposal of Spent Nuclear Fuel in Finland, Turku, Finland, 15-16 November 2001
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19 February 2002
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28 April 2004
NEA/RWM/FSC(2005)4/REV1
Disposal of Radioactive Waste: The Forming of a New Approach in Germany - Summary and international perspective of the FSC Community Visit and National Workshop held in Hitzacker, Hamburg on 5-8 Octo...
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5 August 2020
NEA/RWM/FSC(2003)8
Forum on Stakeholder Confidence (FSC): Canadian Site Visit and Workshop - Summary and International Perspective
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3 August 2020
NEA/RWM/FSC(2006)7
The "COWAM Spain" Initiative and the Current Project under Consideration for a National Interim Storage Facility for Spent Fuel and High Level Waste: The Sixth Workshop of the Forum on Stakeholder Co...
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26 October 2006
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8 April 2005
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24 December 2013
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9 October 2013
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12 October 2012
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24 June 2011
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3 May 2011
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15 March 2010
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24 March 2009
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23 March 2009
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18 February 2008
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25 May 2007
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24 May 2007
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8 February 2007
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26 October 2006
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21 September 2006
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28 September 2005
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7 July 2005
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7 July 2005
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1 July 2004
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25 June 2004
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26 May 2004
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28 April 2004
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11 April 2003
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4 March 2003
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20 February 2001
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22 September 2021
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22 September 2021
NEA/CNRA/R(2019)2
This technical report describes the regulatory perspectives on safety aspects related to the fuel qualification for advanced sodium fast reactors (SFRs) and identifies topics that should be investiga...
Published date:
13 September 2021
NEA/CRPPH/R(2020)1
事故後復旧への備え:経験からの教訓
ワークショップ要約レポート
Preparedness for Post-Accident Recovery: Lessons from Experience - Japanese Version
Published date:
7 September 2021
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10 August 2021
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10 August 2021
Countries around the world continue to implement safety improvements and corrective actions based on lessons learnt from the 11 March 2011 accident at the Fukushima Daiichi nuclear power plant. This ...
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29 February 2016
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17 May 1999
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2 June 2015
Major nuclear safety research facilities and programmes are facing increasing budgetary constraints, and in many cases are being closed or terminated. This report identifies major facilities of vital...
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23 May 2001
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14 June 2013
NEA/RWM(2009)10
Summary Record of the 2nd Meeting of the Reversibility and Retrievability Project, 2009, NEA Headquarters, 3-5 June 2009
This summary record presents the main conclusions as well as a summary record ...
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16 April 2010
NEA/CSNI/R(1991)8
Three Mile Island Unit 2 Analysis Exercise Final Report
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1 January 1991
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1 January 1991
NEA/CSNI/R(1997)27
Lyon, France, 8-10 September 1997
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1 January 1997
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1 January 1998
NEA/RWM(2007)7
Proposal to the RWMC
National programmes would benefit from a shared and broad-based understanding at the international level of the reversibility and retrievability concepts and of the related oppor...
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16 April 2010
NEA/RWM/R(2020)3
The Workshop on the Multifactor Optimisation of Predisposal Management of Radioactive Waste held on 10-14 February 2020 fostered a rich exchange among participants that highlighted the broad spectrum...
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25 June 2021
The year 2018 continued to be one of significant transformation, both in relation to the Agency and the global context within which it operates. In the wider nuclear community, there was increased re...
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6 May 2019
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6 May 2019
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...
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2 December 2016
Many countries are dealing with challenges stemming from nuclear and radiological legacy sites. In particular, managing these sites in an open and transparent fashion while taking into account the vi...
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29 September 2020
The feasibility and costs of spent nuclear fuel management and the consequent disposal of ultimate waste continue to be the subject of public debate in many countries, with particular concern often e...
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23 October 2013
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...
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23 October 2006
NEA/RWM/WPDD(2005)4
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...
Published date:
22 March 2005
The decommissioning of nuclear power plants is a topic of increasing interest to governments and the industry as many nuclear units approach retirement. It is important in this context to assess deco...
Published date:
11 August 2003
NEA/CSNI/R(1996)17
This report deals with an internationally agreed integral test facility (ITF) matrix for the validation of best estimate thermal-hydraulic computer codes. Firstly, the main physical phenomena that oc...
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1 January 1996
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11 February 2003
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5 February 2003
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9 July 2001
NEA/CSNI/R(2013)10
The NEA’s Working Group on Fuel Cycle Safety (WGFCS), in co-operation with the Working Group on Fuel Safety (WGFS), aimed within the current international workshop to advance the understanding within...
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23 January 2014
NEA/CSNI/R(2013)11/PART1
The Second Workshop on Seismic Observation in Deep Boreholes and Its Applications (Kashiwazaki WS) was held from 7-9 November 2012 in the City of Kashiwazaki, Niigata, Japan, and co-organised by the ...
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29 January 2013
NEA/CSNI/R(2013)11/PART2
The Second Workshop on Seismic Observation in Deep Boreholes and Its Applications (Kashiwazaki WS) was held from 7-9 November 2012 in the City of Kashiwazaki, Niigata, Japan, and co-organised by the ...
Published date:
28 January 2013
NEA/CSNI/R(2013)12
The current document is an update of the 1995 state-of-the-art report (SOAR) “Knowledge Base for Emergency Core Cooling System Recirculation Reliability”. The content of the present report goes beyon...
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20 December 2013
NEA/CSNI/R(2013)12/add1
The document contains the appendices of an update of the 1995 state-of-the-art report (SOAR) “Knowledge Base for Emergency Core Cooling System Recirculation Reliability”. The content of the report go...
Published date:
19 December 2013
NEA/CSNI/R(2012)1
In 2008, the NEA's Working Group on Risk Assessment (WGRISK) issued a report [NEA/CSNI/R(2008)9] addressing the feasibility of a joint international effort on human reliability analysis (HRA) data. T...
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2 May 2012
NEA/CSNI/R(2012)3
A set of fuel-related safety criteria was presented – along with both the rationale for having such criteria and possible new design and operational issues which could have an effect on them – in the...
Published date:
1 January 2012
NEA/CSNI/R(2012)4
The objective of the Working Group on Fuel Cycle Safety (WGFCS) is to advance the understanding for both regulators and operators of relevant aspects of nuclear fuel cycle safety in member countries....
Published date:
3 July 2013
NEA/CSNI/R(2012)5
The OECD/SETH-2 project was carried out during the period 2007-2010 under the auspices of the Nuclear Energy Agency (NEA) and with support provided by the Czech Republic, Finland, France, Germany, Ja...
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6 April 2012
NEA/CSNI/R(2012)6/VOL1
This report describes final prediction results by system analysis codes during the OECD/NEA ISP-50 exercise, targeting a 50% direct vessel injection (DVI) line break integral effect test performed wi...
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23 February 2012
NEA/CSNI/R(2012)6/VOL2
This report describes final prediction results by system analysis codes during the OECD/NEA ISP-50 exercise, targeting a 50% direct vessel injection (DVI) line break integral effect test performed wi...
Published date:
27 February 2012
NEA/CSNI/R(2012)7
The objective of the OECD Nuclear Energy Agency (NEA) Working Group on Fuel Cycle Safety (WGFCS) is to advance the understanding for both regulators and operators of relevant aspects of fuel cycle sa...
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1 January 2012
NEA/CSNI/R(2012)17
Probabilistic safety assessment/probabilistic risk assessment (PSA/PRA) for new and advanced reactors is recognized as an important approach to achieve improved safety for the future nuclear power pl...
Published date:
19 February 2013
NEA/CSNI/R(2012)11
The main objective of the Working Group on Risk Assessment (WGRISK) of the Nuclear Energy Agency (NEA)/Committee on the Safety of Nuclear Installations (CSNI) is to advance the probabilistic safety a...
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3 January 2013
NEA/CSNI/R(2012)12
In 2005 the OECD/NEA Steering Committee agreed to establish the international Computer-based Systems Important to Safety (COMPSIS) project to encourage multilateral co-operation in the collection and...
Published date:
19 July 2012
NEA/CSNI/R(2012)13
Both regulators and the nuclear industry recognise the need for licensees to develop a strong, positive safety culture to support successful and sustainable nuclear safety performance. In recognition...
Published date:
27 June 2012
NEA/CSNI/R(2012)14
A number of OECD member countries expressed their interest in participating in an OECD/NEA joint international research project on the topic of fire propagation. The PRISME project (PRISME is the Fre...
Published date:
6 July 2012
NEA/CSNI/R(2012)15
The maintenance of sufficient expertise, data, analytical and experimental capabilities to be able to develop the technical basis to resolve currently identified safety issues and respond to and inve...
Published date:
12 December 2012
NEA/CSNI/R(2012)16
Several OECD member countries agreed to establish the OECD/NEA Piping Failure Data Exchange Project (OECD/NEA OPDE) to encourage multilateral co-operation in the collection and analysis of data relat...
Published date:
26 November 2012
European countries of the OECD have been affected by the widespread dissemination of the radioactive material released from the Chernobyl reactor accident in the Ukrainian Soviet Socialist Republic, ...
Published date:
11 September 1987
The Twenty-Fifth Annual Report of the ISOE Programme presents the status of the ISOE programme for the year of 2015.
Published date:
27 May 2020
Twenty-Seventh Annual Report of the ISOE Programme, 2017
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27 May 2020
This 26th Annual Report of the International System on Occupational Exposure (ISOE) Programme presents the status of the Programme in 2016. As of 31 December 2016, the ISOE programme included 74 part...
Published date:
7 May 2019
This joint report by the International Energy Agency (IEA) and the Nuclear Energy Agency (NEA) is the ninth in a series of studies on electricity generating costs. As countries work towards ensuring ...
Published date:
9 December 2020
NEA/RWM/CPD(2006)3
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...
Published date:
11 October 2006
NEA/RWM/CPD(2006)2
This report describes generic results obtained by the CPD on available adequate methods of measurement. Although part of the information exchanged within CPD is confidential in nature and is restrict...
Published date:
16 October 2006
NEA/RWM/CPD(2010)3
This document was prepared by the Task Group on Decontamination and Dismantling (D&D) of Concrete Structures. It provides a comprehensive review of proven technologies and methods fro decontaminating...
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22 July 2010
NEA/RWM/R(2011)3
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...
Published date:
7 March 2011
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 ...
Published date:
26 August 2011
NEA/RWM/R(2011)1
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...
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28 July 2011
NEA/RWM/CPD(2012)1/PROV
This document is the provisional agenda of the 31st meeting of the CPD Management Board. It is the 4th meeting under the 2009 Agreement. The meeting was held at the NEA Offices in Issy-les-Moulineaux...
Published date:
29 October 2012
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...
Published date:
9 February 1996
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...
Published date:
12 April 2006
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...
Published date:
18 August 2014
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...
Published date:
8 February 1996
Published date:
8 February 1996
NEA/RWM/R(2015)7
In 2012, the Radioactive Waste Management Committee (RWMC) noted the needs of developing operational best practices and guidelines for geological repositories. Under the RWMC’s mandate, the Integrati...
Published date:
7 September 2015
NEA/RWM/R(2015)6
Geological disposal of high-level waste or spent nuclear fuel is a strategic area in the work program of the OECD Nuclear Energy Agency Radioactive Waste Management Committee (NEA RWMC). In 2012, the...
Published date:
3 August 2015
Radioaktivt avfall av alla slag måste hanteras på ett ansvarsfullt sätt nu och i framtiden med hänsyn både till människors hälsa och till skyddet av miljön. Avfallet måste också skyddas mot intrång. ...
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26 January 2000
Le Bulletin de droit nucléaire est une publication internationale unique en son genre destinée aux juristes et aux universitaires en droit nucléaire. Ses lecteurs bénéficient d’informations exhaustiv...
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8 July 2020
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