28 -
29 June 2023
Tokyo (Japan) - Hitotsubashi Hall, National Center of Sciences Building
The NEA in collaboration with the Japanese Nuclear Regulatory Authority (NRA) will host an international workshop on 28-29 June 2023 on the topic of Ageing management considerations in mechanical cod...
Published date:
21 February 2023
NEA/CSNI/R(2020)14
The present report summarises the main results and learnings from the third phase of the NEA Behaviour of Iodine Project (BIP-3), which was conducted between 2016 and 2019 by the Canadian Nuclear Lab...
Published date:
15 February 2023
NEA/CSNI/R(2020)8
The aim of this report is to examine whether there are any international variations in the electrical power system designs (“design variations”) of nuclear power plants that affect the system respons...
Published date:
13 January 2023
NEA/CSNI/R(2020)10
Following the recommendations from the technical workshop on “Nuclear Fuel Behaviour during Reactivity-Initiated Accidents” organised by the Nuclear Energy Agency (NEA) in September 2009, a first ben...
Published date:
18 October 2022
Published date:
30 September 2022
The Multinational Design Evaluation Programme (MDEP) continues under a new organisational structure after the second Management Board meeting.
Published date:
26 July 2022
CSNI and CNRA held their biannual meetings and a joint session at the NEA headquarters.
Published date:
10 June 2022
11 -
14 April 2022
Virtual event
The NEA held a virtual workshop on the best regulatory practices in In-Service Inspection (ISI) in the nuclear sector on 11-14 April 2022.
Organised by the NEA Working Group on Codes and Standards (...
Published date:
20 April 2022
Independent safety regulation has been a hallmark of the global nuclear power sector from its beginnings. Industry and government have long understood the importance of a predictable and adaptable re...
Published date:
7 April 2022
Fukushima Daiichi Nuclear Power Plant Accident: Message from Director-General Magwood
Published date:
11 March 2022
The Working Group on the Regulation of New Reactors (WGRNR) examines the regulatory issues of the siting, licensing and regulatory oversight for all new commercial nuclear power reactors. The WGRNR f...
Published date:
11 February 2022
The Working Party on Boiling Water Reactors (WPBWR) covers all boiling water reactors, including advanced boiling water reactors (ABWRs) and the Economic Simplified Boiling Water Reactor (ESBWR).
Published date:
11 February 2022
The CNRA believes in the importance of having a working group dedicated to safety culture. The Working Group on Safety Culture (WGSC) provides a senior level regulatory forum for exchanging informati...
Published date:
11 February 2022
The Multinational Design Evaluation Programme (MDEP) begins operation under a new framework agreement.
Published date:
4 February 2022
The OECD Nuclear Energy Agency (NEA) Strategic Plan serves as a guiding instrument that reflects the priorities of its member countries as the Agency addresses evolving needs in the exploration and a...
Published date:
25 January 2022
The Multinational Design Evaluation Programme (MDEP) entered a new phase on 14 December 2021. The MDEP will continue in its role as a unique multinational initiative leveraging the resources and know...
Published date:
15 December 2021
The NEA Committee on Nuclear Regulatory Activities (CNRA) and the Committee on the Safety of Nuclear Installations (CSNI) held their biannual meetings from 6 to 9 December 2021 and discussed the evol...
Published date:
14 December 2021
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
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
Published date:
10 August 2021
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
CNRA/CSNI meetings, May-June 2021.
Published date:
10 June 2021
This report further explores some of the key elements presented in The Safety Culture of an Effective Regulatory Body (2016), commonly known as the NEA Green Booklet, and provides both an overview an...
Published date:
10 May 2021
The NEA Working Group on Public Communication of Nuclear Regulatory Organisations (WGPC) held its bi-annual meeting on 4-6 May 2021 and celebrated its 20th anniversary.
Published date:
6 May 2021
The NEA Working Group on the Safety of Advanced Reactors (WGSAR) held its biannual meeting via video conference on 21-23 April 2021, welcoming a new member representing Poland’s National Centre for N...
Published date:
28 April 2021
The Working Group in Public Communication of Nuclear Regulatory Organisations (WGPC) provides a forum for nuclear regulatory organisation communicators and outreach officers to exchange information, ...
Published date:
9 April 2021
Much has been learnt in the ten years since the Great Eastern Japan Earthquake and the subsequent accident at the Fukushima Daiichi Nuclear Power Plant, but significant challenges still remain.
This ...
Published date:
3 March 2021
The Committee on Nuclear Regulatory Activities (CNRA) is an international committee created in 1989 to guide the NEA concerning safety in the regulation, licensing and inspection of nuclear installat...
Published date:
10 February 2021
Safety inspections are a major element in the regulatory authority's efforts to ensure the safe operation of nuclear facilities
Published date:
10 February 2021
14 -
18 December 2020
Zoom webinar
The OECD Nuclear Energy Agency (NEA) in collaboration with the Canadian Nuclear Safety Commission (CNSC) hosted an international, multi-sector workshop on 14-18 December 2020 on safely regulating inn...
Published date:
25 May 2021
CNRA/CSNI meetings, December 2020
Published date:
7 December 2020
The NEA Working Group on Public Communication of Nuclear Regulatory Organisations (WGPC) held its annual meeting on 4 November 2020 via video conference.
Published date:
5 November 2020
Published date:
4 November 2020
Disruptive technologies for nuclear safety applications
Published date:
13 August 2020
Published date:
2 July 2020
NEA Committee on Nuclear Regulatory Activities (CNRA) meeting, 2‑3 June 2020.
Published date:
1 July 2020
William D. Magwood IV, Director-General of the Nuclear Energy Agency (NEA), sat down with Rumina Velshi, President and Chief Executive Officer of the CNSC, on 17 January 2020. Ms Velshi has extensive...
Published date:
16 June 2020
After having identified that the public trust towards the regulators could be very different from one country to another even though they are neighbours, the NEA Committee on Nuclear Regulatory Activ...
Published date:
15 June 2020
This report was jointly prepared by the Working Group on Public Communication of NuclearRegulatory organisation of the Nuclear Energy Agency (NEA) Committee on Nuclear Regulatory Activities (CNRA) an...
Published date:
15 June 2020
Este informe fue preparado por el Grupo de Trabajo de Comunicación Pública de las Organizaciones Reguladoras Nucleares (WGPC) del Comité sobre Actividades Reguladoras Nucleares (CNRA) de la Agencia d...
Published date:
15 June 2020
This report was prepared by the Working Group on Public Communication of Nuclear Regulatory Organisations (WGPC) of the Nuclear Energy Agency (NEA) Committee on Nuclear Regulatory Activities (CNRA). ...
Published date:
15 June 2020
The OECD Nuclear Energy Agency (NEA) Committee on Nuclear Regulatory Activities (CNRA) Working Group on Public Communication of Nuclear Regulatory Organisations (WGPC) organised the workshop “Crisis ...
Published date:
15 June 2020
“Social media” is a term referring to various activities that integrate technology, social interaction and content creation. Social media can also be thought of as a way of using technology to “enabl...
Published date:
15 June 2020
The topic of social media as appropriate for further study was first proposed by the NEA Working Group on Public Communication of Nuclear Regulatory Organisations (WGPC) to the NEA Committee on Nucle...
Published date:
15 June 2020
This report was prepared by the OECD Nuclear Energy Agency (NEA) Committee on Nuclear Regulatory Activities (CNRA) Working Group on Public Communication of Nuclear Regulatory Organisations (WGPC). Th...
Published date:
15 June 2020
The Nuclear Energy Agency (NEA) Committee on Nuclear Regulatory Activities (CNRA) Working Group on Public Communication of Nuclear Regulatory Organisations (WGPC) acknowledged the wide range of stake...
Published date:
15 June 2020
The Nuclear Energy Agency (NEA) Working Group on Public Communication of Nuclear Regulatory Organisations (WGPC) has dealt with a broad range of communications issues and produced a variety of report...
Published date:
15 June 2020
The NEA Annual Report 2019 provides an overview of the status of nuclear power in NEA member countries and illustrative descriptions of the Agency's activities and international joint projects. 2019 ...
Published date:
12 June 2020
Published date:
4 June 2020
The ongoing COVID-19 pandemic is having a major impact on the workforce around the world, from how people carry out their work under necessary social distancing rules to the unavailability of workers...
Published date:
4 May 2020
The CSNI Action Plan in the Area of Safety Margins was set up by the Committee on the Safety of Nuclear Installations (CSNI),
Published date:
27 April 2020
Software-based systems are used and retrofitted in operating nuclear power plants worldwide. The failure modes of both hardware and software in these systems are to some extent different from the ana...
Published date:
22 April 2020
The International Reporting System for Operating Experience (IRS) is an essential system for the exchange of information on safety related events at nuclear power plants worldwide. The fundamental ob...
Published date:
21 April 2020
The Working Group on Codes and Standards (WGCS) aims to facilitate and promote international co-operation, convergence and reconciliation of codes, standards and regulatory requirements for pressure-...
Published date:
21 April 2020
The working group will be responsible for the programme of work in the CNRA regarding regulatory activities in the primary area of advanced reactors and associated installations. The term “advanced r...
Published date:
2 April 2020
Boiling water reactors (BWRs) use light water as a coolant and a moderator. This water is converted to steam in the core and then passes through a turbine.
Published date:
18 March 2020
Digital instrumentation and control equipment (DI&C) transmits information in ones and zeros, and provides a number of advantages in nuclear safety.
Published date:
18 March 2020
New reactors are light-water reactors that are in the design or construction phases. Advanced reactors refers to reactors under consideration that are cooled by fluids other than water.
Published date:
18 March 2020
Codes and standards are technical positions that govern specific activities such as welding, fabrication, testing and non-destructive examination, and are crucial to nuclear safety operations.
Published date:
18 March 2020
Inspection practices are the means by which a regulatory body verifies that a holder of a nuclear licence is complying with the conditions of that licence.
Published date:
18 March 2020
Operating experience is the collection and dissemination of knowledge gained via the operation of nuclear facilities.
Published date:
18 March 2020
The Committee on Nuclear Regulatory Activities (CNRA), at its June 2006 meeting, agreed to form a Senior-level Expert Group to produce a report called "The Regulatory Goal of Assuring Nuclear Safety"...
Published date:
13 March 2020
The main objective of the NEA Working Group on Operating Experience (WGOE) is to improve nuclear safety by sharing operating experience and knowledge.
Published date:
13 March 2020
The Working Group on Digital Instrumentation and Control (WGDIC) promotes harmonisation and improvements in nuclear safety through the development of regulatory guidance to address digital instrument...
Published date:
6 February 2020
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
NEA Committee on Nuclear Regulatory Activities (CNRA) meeting, 2‑3 December 2019.
Published date:
6 December 2019
Nuclear safety can be understood as accident prevention in nuclear installations, via its systems and its human resources, and the mitigation of risks and consequences if an accident should occur.
Published date:
2 December 2019
Published date:
18 November 2019
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
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
NEA/CNRA/R(2018)6/ADD1
This documents provides answers to the questionnaire used as input for the 14th WGIP Workshop held by the WGIP in Heidelberg (Germany) on 8-12 April 2018.
Published date:
10 December 2018
The International Reporting System for Operating Experience (IRS) is an essential system for the exchange of information on safety related events at nuclear power plants worldwide. The fundamental ob...
Published date:
19 September 2018
The brochure provides background information about the NEA.
Published date:
10 September 2018
NEA/CNRA/R(2018)3
This consensus position provides evaluation guidance for the qualification of platforms developed for general industrial use as well as those developed specifically for nuclear applications important...
Published date:
4 September 2018
Published date:
3 August 2018
NEA/CNRA/R(2017)6/ADD1
This supplementary document contains the appendices that are referred to in the proceedings report for the NEA Workshop on Regulatory Oversight of New Licensee Organisational Capability [NEA/CNRA/R(2...
Published date:
13 June 2018
NEA/CNRA/R(2017)8
The Working Group on the Regulation of New Reactors (WGRNR), as the main point of contact between the Multinational Design Evaluation Programme (MDEP) and the Committee on Nuclear Regulatory Activiti...
Published date:
16 November 2017
Published date:
7 November 2017
NEA/CNRA/R(2017)6
Regulatory bodies must consider how to develop and deploy its own resources in order to deliver the right level of regulatory oversight against these and other areas of organisational development.
In...
Published date:
6 November 2017
Published date:
4 October 2017
NEA/CNRA/R(2017)4
The Working Group on Operating Experience (WGOE) has observed that events with heavy loads are a contemporary issue to address after several operating experiences in recent years. The WGOE made a pro...
Published date:
3 October 2017
NEA/CNRA/R(2017)3
At the 15th Meeting of the Committee on Nuclear Regulatory Activities (CNRA) Working Group on the Regulation of New Reactors (WGRNR) agreed to initiate a survey on Regulatory Practice to Assess Passi...
Published date:
8 September 2017
NEA/CNRA/R(2017)2
The reports on the survey of the design review of new reactor applications are to serve as guides for regulatory bodies to understand how technical design reviews are performed by member countries. I...
Published date:
12 July 2017
NEA/CNRA/R(2017)1
The WGIP Nuclear Power Plant (NPP) Observed Inspection Practices Programme is intended to promote co-operation and learning among member countries and to collect and provide them with information for...
Published date:
16 June 2017
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 ...
Published date:
22 December 2016
NEA/CNRA/R(2016)3
The reports of the survey on the design review of new reactor applications are to serve as guides for regulatory bodies to understand how technical design reviews are performed by member countries. I...
Published date:
16 June 2016
NEA/CNRA/R(2016)2
These proceedings cover the 13th International Nuclear Regulatory Inspection Workshop held by WGIP on regulatory inspection activities. This workshop, which is the 13th in a series, along with many o...
Published date:
31 March 2016
Published date:
1 March 2016
The OECD Nuclear Energy Agency (NEA) has just published a new report entitled Five Years after the Fukushima Daiichi Accident: Nuclear Safety Improvements and Lessons Learnt.
Published date:
29 February 2016
The OECD Nuclear Energy Agency (NEA) has just published a new report entitled Five Years after the Fukushima Daiichi Accident: Nuclear Safety Improvements and Lessons Learnt.
Published date:
29 February 2016
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 ...
Published date:
29 February 2016
The fundamental objective of all nuclear safety regulatory bodies is to ensure that activities related to the peaceful use of nuclear energy are carried out in a safe manner within their respective c...
Published date:
4 February 2016
Published date:
28 January 2016
NEA/CNRA/R(2015)6
A fundamental goal in a regulatory authority’s oversight of nuclear facilities is to establish confidence that adequate arrangements are in place for emergency preparedness and response. The CNRA pub...
Published date:
10 June 2015
19 -
21 May 2015
Albuquerque, New Mexico, USA
The OECD Nuclear Energy Agency (NEA) Committee on the Safety of Nuclear Installations (CSNI) Working Group on Fuel Cycle Safety (WGFCS) held an international workshop on Operational and Regulatory As...
Published date:
19 May 2015
NEA/CNRA/R(2015)5
The reports of the survey on the design review of new reactor applications are to serve as guides for regulatory bodies to understand how technical design reviews are performed by member countries. I...
Published date:
27 April 2015
NEA/CNRA/R(2015)4
The ConEx programme includes a database which contains events that have causes and/or lessons learnt related to problems introduced before the commercial operation of nuclear power plants and detecte...
Published date:
21 April 2015
NEA/CNRA/R(2015)3
This report, issued by the Working Group on Regulation of New Reactors (WGRNR), on the construction oversight survey is meant to facilitate sharing of information related to the on-site oversight of ...
Published date:
20 April 2015
Published date:
13 April 2015
NEA/CNRA/R(2015)1
The previous report The Use of International Operating Experience Feedback for Improving Nuclear Safety, [NEA/CNRA/R(2008)3] addressed the proposal made at the December 2006 CNRA Meeting for the WGOE...
Published date:
2 April 2015
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
Published date:
24 November 2014
NEA/CNRA/R(2014)8
These proceedings cover the 12th International Workshop held by WGIP on regulatory inspection activities. This workshop, which is the twelfth in a series, along with many other activities performed b...
Published date:
8 August 2014
NEA/CNRA/R(2014)8/ADD1
The 12th International Workshop was held by WGIP on regulatory inspection activities. This workshop, which is the twelfth in a series, along with many other activities performed by the Working Group,...
Published date:
4 August 2014
NEA/CNRA/R(2014)7
The reports of the survey on the design review of new reactor applications are to serve as guides for regulatory organisations to understand how technical design reviews are performed by member count...
Published date:
8 July 2014
Both national and international organisations agree that the fundamental objective of all nuclear safety regulatory bodies -- the regulator's prime purpose -- is to ensure that nuclear licensees oper...
Published date:
4 July 2014
Published date:
27 June 2014
NEA/CNRA/R(2014)5
In December 2011, the WGRNR developed a supplemental report augmenting Report on the Survey on Regulation of Site Selection and Preparation NEA/CNRA/R(2010)3 to address additional siting issues, such...
Published date:
24 June 2014
NEA/CNRA/R(2014)4
An international Workshop on Challenges and Enhancements to Defence in Depth (DiD) in Light of the Fukushima Daiichi Accident was jointly organised by the NEA Committee on Nuclear Regulatory Activiti...
Published date:
22 May 2014
Published date:
17 March 2014
NEA/CNRA/R(2014)3
Following a special topical discussion held on the characteristics of an effective regulator at the 27th CNRA meeting on 4-5 June 2012 and subsequent discussions at the 28th CNRA meeting on 3-4 Decem...
Published date:
19 February 2014
NEA/CNRA/R(2014)2
The Fukushima Daiichi NPP accident demonstrated the importance of increasing the robustness of NPPs to extreme external conditions and beyond design basis accidents. In this respect, the CNRA establi...
Published date:
29 January 2014
NEA/CNRA/R(2014)1
The Fukushima Daiichi NPP accident serves as a case study for various disciplines within nuclear sciences. Researchers worldwide in health physics, radio-ecology, severe accident analysis, and human ...
Published date:
6 January 2014
NEA/CNRA/R(2013)1
This report issued by Working Group for Inspection Practices (WGIP) aims to examine and evaluate how maintenance programs are inspected and the benefits of the inspections. This information would the...
Published date:
10 December 2013
NEA/CNRA/R(2013)3
The WGRNR organised an international workshop aimed to provide a forum to exchange information on lessons learned from siting, licensing and constructing new nuclear power plants around the world. Ke...
Published date:
7 October 2013
This report outlines the response of the OECD Nuclear Energy Agency (NEA) and its member countries to the March 2011 accident at TEPCO's Fukushima Daiichi nuclear power plant. All NEA members took ea...
Published date:
10 September 2013
Published date:
30 May 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
Published date:
6 May 2013
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
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
NEA/CNRA/R(2012)7
The NEA Committee on Nuclear Regulatory Activities (CNRA) authorised the formation of a task group in June 2011 to identify measures to enhance the integrity of the supply chain by minimising the inc...
Published date:
9 November 2012
Published date:
21 September 2012
Published date:
14 September 2012
NEA/CNRA/R(2012)6/ADD1
The OECD Nuclear Energy Agency (NEA) Committee on Nuclear Regulatory Activities (CNRA) Working Group on Inspection Practices (WGIP) sponsored the 11th International Workshop on Nuclear Regulatory Ins...
Published date:
24 July 2012
NEA/CNRA/R(2012)6
The NEA Committee on Nuclear Regulatory Activities (CNRA) believes that an essential factor in ensuring the safety of nuclear installations is the continuing exchange and analysis of technical inform...
Published date:
2 July 2012
The NEA has undertaken a number of activities following the March 2011 accident at the Fukushima Daiichi nuclear power plant in Japan. This brochure contains three extracts from NEA News published in...
Published date:
27 June 2012
NEA/CNRA/R(2012)3/ADD1
This appendix provides the complete compilation of responses received to the questionnaire issued in conjunction with the International Operating Experience Feedback Workshop. The workshop was coordi...
Published date:
15 May 2012
9 -
10 May 2012
Casa de América, Madrid, Spain
Organised in collaboration with the Consejo de Seguridad Nuclear
Published date:
9 May 2012
Published date:
4 May 2012
NEA/CNRA/R(2012)1
Based on the regulatory actions underway or being considered in different member countries concerning their ability to maintain their corporate knowledge with respect to the ageing work force, the Co...
Published date:
10 February 2012
NEA/CNRA/R(2011)13
During the September 2009 meeting, the WGRNR presented with a draft survey comprising a broad range of questions related to the licensing process, design review and regulatory structure. At that time...
Published date:
22 December 2011
Published date:
19 December 2011
NEA/CNRA/R(2011)12
The Organisation for Economic Co-operation and Development (OECD) Nuclear Energy Agency (NEA) sponsored a Forum on Insights and Approaches as a result of the Fukushima Accident. The forum was held at...
Published date:
6 October 2011
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
Published date:
14 June 2011
Published date:
30 May 2011
NEA/CNRA/R(2011)10
Over the previous decade, the CNRA has produced a series of regulatory guidance reports known as the "green booklets". These reports are prepared and peer reviewed by senior regulators. They provide ...
Published date:
13 May 2011
NEA/CNRA/R(2011)9
The report provides the proceedings from the WGOE meeting discussion on the item of generic interest from September 2010. Additionally, this report aims to analyse the WGOE member country responses t...
Published date:
31 March 2011
NEA/CNRA/R(2011)8
On 25 July 2006, Forsmark Unit 1 experienced a short circuit in the offsite 400kV switchyard causing the inoperability of two emergency diesel generators.
This event identified weaknesses in the ele...
Published date:
16 March 2011
NEA/CNRA/R(2011)7
The WGRNR organised an international workshop aimed to review and discuss recent and past construction experience lessons learnt including perspectives from regulatory authorities, vendors, and licen...
Published date:
24 February 2011
NEA/CNRA/R(2011)6
At its May 2009 meeting, the WGOE identified transformer failures as an issue of generic importance. The US NRC had identified that transformer failures had an increasing trend. Transfortmers are non...
Published date:
17 February 2011
NEA/CNRA/R(2011)4
The CNRA has procuded a series of reports, known as regulatory guidance booklets or "'green booklets", which examine various regulatory challenges and adress the major elements and contemporary issue...
Published date:
20 January 2011
NEA/CNRA/R(2011)3
Report jointly prepared by the CNRA Working Group on Public Communication of Nuclear Regulatory Organisations and by the Working Group on Transparency Activities of the European Nuclear Safety Regula...
Published date:
20 December 2010
NEA/CNRA/R(2011)1
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 statut of the nucle...
Published date:
7 October 2010
NEA/CNRA/R(2010)6
This appendix supports the proceedings of the 10th International Workshop held by WGIP on regulatory inspection activities [NEA/CNRA/R(2010)5]. The workshop was hosted by the ministry of Housing, Spa...
Published date:
4 August 2010
NEA/CNRA/R(2010)3
Consistent with the CNRA/CSNI Joint Strategic Plan (2005-2009) and CNRA Operating Plan, the WGRNR began in May 2008 a task of examining and documenting the various practices used by regulatory author...
Published date:
17 May 2010
Published date:
24 March 2010
NEA/CNRA/R(2010)1
These proceedings cover the 9th International Workshop held by the WGIP on regulatory inspection. THe focus of this workshop was regulatory inspection activities in 3 main areas:
Published date:
4 February 2010
Published date:
31 December 2010
Published date:
11 December 2009
Published date:
29 June 2009
NEA/CNRA/R(2009)3
In 2006, the CNRA Working Group on Operating Experience (WGOE) began the task of examining national and international operating events databases in order to identify any potential safety issues relat...
Published date:
19 May 2009
NEA/CNRA/R(2009)2
In order to capture the current situation, members of the WGOE IOEF Task Group provided short narratives outlining their national OEF practices. The IOEF Report notes that, in order to get a comprehe...
Published date:
11 May 2009
Published date:
2 April 2009
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
NEA/CNRA/R(2009)1
Fire is a one of the hazards that is most commonly encountered in Nuclear Power Plants and could result in damages to safety related systems and to systems important to obtain and maintain safe shutd...
Published date:
10 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
NEA/CNRA/R(2008)6
CNRA held several workshops in 1996 and 2001 on the licensing of Digital I&C Systems and a Joint CSNI/CNRA Task Group presented a study on research and regulatory needs in this are in 2006. This work...
Published date:
8 July 2008
Published date:
17 June 2008
Published date:
13 June 2008
Published date:
28 May 2008
Published date:
29 February 2008
NEA/CNRA/R(2008)1
With the development of the Joint CSNI/CNRA Strategic Plan and the drafting of a CNRA Operating Plan, the need to develop operating guidelines was recognised. These documents along with the Review Re...
Published date:
22 January 2008
One of the main missions of nuclear regulators is to protect the public, and this cannot be completely achieved without public confidence. The more a regulatory process is transparent, the more such ...
Published date:
16 November 2007
NEA/CNRA/R(2007)1
The NEA Committee on Nuclear Regulatory Activities (CNRA) believes that an essential factor in ensuring the safety of nuclear installations is the continuing exchange and analysis of technical inform...
Published date:
26 April 2007
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
NEA/CNRA/R(2007)2
This appendix provides the complete compilation of responses received to the questionnaire issued in conjunction with the workshop announcements. The responses are provided as received, with changes ...
Published date:
29 March 2007
Published date:
28 March 2007
Published date:
10 October 2006
NEA/CNRA/R(2006)4
This report is the third in a series of the WGOE (Working Group on Operating Experience) of reports on recurring events. The first two reports NEA/CSNI/R(1999)19 and NEA/CSNI/R(2003)13 discussed a va...
Published date:
5 September 2006
NEA/CNRA/R(2006)3
These guidelines have been produced in conjunction with the development of the CNRA Operating Plan. The purpose behind this is to establish a systematic and transparent approach to how the CNRA and i...
Published date:
27 June 2006
NEA/CNRA/R(2006)2
The Joint CSNI/CNRA Strategic Plan states in its last paragraph that:
"CNRA and CSNI each prepare an operating plan which describes in more detail their committeeís organisation, planned activities, ...
Published date:
26 June 2006
NEA/SEN/NRA/WGPC(2006)5
There is an increasing expectation from the general public for information on abnormal situations occurring at a nuclear or a radiation facility. Historically communication of this information was re...
Published date:
22 June 2006
The Incident Reporting System (IRS) is an essential element of the international operating experience feedback system for nuclear power plants. The IRS is jointly operated and managed by the Nuclear ...
Published date:
17 May 2006
An important factor for public confidence in the nuclear regulator is the general public trust of the government and its representatives, which is clearly not the same in all countries. Likewise, cul...
Published date:
16 May 2006
Published date:
12 April 2006
NEA/CNRA/R(2006)1
In 1998, the NEA Committee on Nuclear Regulatory Activities (CNRA) began an activity, the objective of which was to advance the discussion on how to enhance and measure regulatory effectiveness in re...
Published date:
1 March 2006
Published date:
20 February 2006
Published date:
14 November 2005
Published date:
10 November 2005
Published date:
31 October 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/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
Ce panorama présente un synopsis facile à aborder du contrôle réglementaire de la gestion des déchets radioactifs de 15 pays membres de l'AEN. Il traite la question de la gestion des déchets radioact...
Published date:
16 August 2005
NEA/CNRA/R(2005)5
This appendix provides the complete compilation of responses received to the questionnaire issued in conjunction with the workshop announcements. The responses are provided as received, with changes ...
Published date:
27 June 2005
Published date:
24 June 2005
Published date:
13 June 2005
Published date:
31 May 2005
NEA/CNRA/R(2005)3
In some countries, there is a growing demand for information about NPP performance from the executives, public and media. Such a demand has to be responded to and the information provided need to be ...
Published date:
27 May 2005
NEA/CNRA/R(2005)2
In some countries, there is a growing demand for information about NPP performance from the executives, public and media. Such a demand has to be responded to and the information provided need to be ...
Published date:
11 May 2005
NEA/CNRA/R(2005)1
This report completes a study that was endorsed by CNRA following discussion on the issue. It is intended to be a basis for a new section in the next revision of the “Status Report on Regulatory Insp...
Published date:
4 April 2005
Published date:
25 March 2005
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
Published date:
2 December 2004
NEA/CNRA/R(2004)2
The organisations, structures and processes of regulatory authorities have evolved over the past 50 or so years. Major changes have taken place following events such as Three Mile Island and Chernoby...
Published date:
15 November 2004
Published date:
29 October 2004
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:
29 June 2004
Published date:
15 June 2004
Published date:
9 June 2004
Published date:
20 April 2004
Published date:
26 March 2004
NEA/CNRA/R(2004)1
This report presents a comparison of inspection practices at Research Reactors (RR) versus Nuclear Power Plants (Nuclear Power Plants) in participating OECD Nuclear Energy Member Countries. Key quest...
Published date:
5 March 2004
Published date:
9 February 2004
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
Incident reporting has become an increasingly important aspect of the operation and regulation of all public health and safety-related industries. Diverse industries such as aeronautics, chemicals, p...
Published date:
16 December 2003
NEA/CNRA/R(2003)4
This report presents the WGIP survey on contracted work. The task was undertaken by the WGIP to identify trends and impacts from the use contractors by NPP organisations in member countries. The surv...
Published date:
3 October 2003
Published date:
30 June 2003
Published date:
27 May 2003
Published date:
30 April 2003
NEA/CNRA/R(2003)3
This report by the Working Group on Inspection Practices provides information and perspectives on how inspections of nuclear fuel cycle facilities are carried out in NEA member countries.
Published date:
14 March 2003
Published date:
11 February 2003
Published date:
15 October 2002
Published date:
26 September 2002
NEA/CNRA/R(2002)1
The attached tables 1,2 are a comparison of international practises with respect to license periods for nuclear-related licensed activities. These tables were prepared by the Canadian Nuclear Safety ...
Published date:
16 September 2002
Published date:
14 June 2002
Published date:
29 May 2002
Published date:
11 December 2001
Published date:
5 December 2001
Published date:
4 December 2001
NEA/CNRA/R(2001)9
During discussions at several meetings, the Working Group on Inspection Practices (WGIP) on management and safety culture issues, it was agreed: it was important that the management of a licensee nee...
Published date:
14 November 2001
NEA/CNRA/R(2001)8
In 1995 the WGIP issued Status Report on Inspection Philosophy, Inspection Organisation and Inspection Practices, NEA/CNRA/R(94)3, OCDE/GD(95)3. Included was information on the regulatory bodies in 1...
Published date:
9 November 2001
NEA/CNRA/R(2001)7
In late 1998 the Committee on Nuclear Regulatory Activities agreed that the Working Group on Inspection Practices [WGIP] should discuss the subject of effectiveness of regulatory inspections and prod...
Published date:
7 November 2001
Published date:
12 October 2001
NEA/CNRA/R(2001)6
Based on a proposal made by the Japanese delegation, WGIP with the approval of CNRA began a task on the Inspection of Maintenance on Safety Systems during Operation of NPPs is 1999. Response to a sur...
Published date:
23 August 2001
NEA/CNRA/R(2001)5
This appendix to the workshop proceedings contains a compilation of the responses to the survey issued to all participants.
These proceedings cover the 5TH International Workshop held by WGIP on regu...
Published date:
23 July 2001
Published date:
20 July 2001
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:
23 May 2001
Good governance and efficiency in decision making by governmental authorities are increasingly dependent upon mutual trust and confidence between those authorities and the public. This workshop provi...
Published date:
16 May 2001
Published date:
3 May 2001
Published date:
24 April 2001
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/CNRA/R(1999)4
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...
Published date:
17 April 2001
Published date:
12 February 2001
NEA/CNRA/R(2001)2
At its annual meeting in June 1999, the Committee on Nuclear Regulatory Activities (CNRA) agreed to hold a Special Issue Meeting in June 2000 on the topic of “Life Extension and Upgrading”. This repo...
Published date:
9 January 2001
NEA/CNRA/R(2000)3
The NEA’s Strategic Plan, published in 1999, has recommended that all committees review their programme and working methods, and develop their own strategic plan. As a result, the CNRA Bureau develop...
Published date:
23 May 2000
NEA/CNRA/R(2000)2
These commandable practices are extracts from the topcs, which were discussed by the WGIP and were thought to ber reference for Member countries. These are neither international standards nor guideli...
Published date:
11 April 2000
NEA/CNRA/R(2000)1
A workshop took place in Budapest between 12 and 14 October 1999 to consider issues concerning assuring nuclear safety competence into 21st century. This was in response to recommendations from the C...
Published date:
10 February 2000
Published date:
1 January 2000
NEA/CNRA/R(1978)1
Nuclear Installations decided at its meeting in October 1976, that a Specialist Meeting should be held in 19'7'7 to exchange experience and views on the practices followed in Member countries in regu...
Published date:
29 March 1999
NEA/CNRA/R(1999)2
These proceedings cover the 4th international workshop held by WGIP on regulatory inspection activities. The focus of this workshop was regulatory inspection activities in 3 main areas; Older Operati...
Published date:
11 March 1999
NEA/CNRA/R(1999)1
Each year the CNRA selects a topic of special interest to members for discussion. The topic chosen for 1998 was Regulatory Aspects of Ageing Reactors. The report predominantly looks at answers provid...
Published date:
4 March 1999
Published date:
16 February 1999
Published date:
1 January 1999
NEA/CNRA/R(1998)2
The report presents information on regulatory inspection activities with respect to emergency planning in NEA Member countries. The focus of the report is on the third section. It reviews the similar...
Published date:
1 January 1998
Published date:
1 January 1997
NEA/CNRA/R(1996)1
An International Workshop on Steam Generator Tube Integrity in Nuclear Power Plants, sponsored by the Committee on Nuclear Regulatory Activities (CNRA) and the Committee on the Safety of Nuclear Inst...
Published date:
1 January 1996
Published date:
1 January 1995
NEA/CNRA/R(1994)4
This is the proceedings of the WGIP International Workshop held on 23-25 May 1994 in Helsinki (Finland).
The main objectives were:
- To meet with inspectors from other organisations,
- To exchange inf...
Published date:
1 January 1994
Published date:
1 January 1993
NEA/CNRA/R(1992)1
This report provides the conclusions of two surveys send in 1988 and 1989. The work, initiated by the CSNI, has been completed by the newly created CNRA.
It provides a comparison of regulatory practi...
Published date:
1 January 1992
