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...

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.

These proceedings cover the International Nuclear Regulatory Inspection Workshop held by WGIP in Heidelberg (Germany) on 9-12 April 2018 on regulatory inspection activities. This workshop, which is t...

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...

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...

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...

NEA Committee on Nuclear Regulatory Activities (CNRA) meeting, 2‑3 December 2019.

NEA Working Group on the Safety of Advanced Reactors (WGSAR) meeting, 9‑11 October 2019

NEA Working Group on Public Communication of Nuclear Regulatory Organisations (WGPC), plenary meeting 27 May 2020.

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.

NEA Committee on Nuclear Regulatory Activities (CNRA) meeting, 2‑3 June 2020.

The World Association of Nuclear Operators (WANO) and the Nuclear Energy Agency (NEA) of the Organisation for Economic Co‑operation and Development (OECD) have signed a Memorandum of Understanding to...

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.

The main objective of the NEA Working Group on Operating Experience (WGOE) is to improve nuclear safety by sharing operating experience and knowledge.

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...

Organised in collaboration with the Consejo de Seguridad Nuclear

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...

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...

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...

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...

The following inspector qualification guideline has been developed for guidance of qualification of a new inspector recruited to the regulatory body. This guideline has been developed for helping the...

This report, conducted by the Working Group of Inspection Practices, provides a brief description of the different inspection practices of several member countries within OECD. It presents a framewor...

This report is intended to provide a summary of the current regulatory environment within the Organisation for Economic Co-operation and Development (OECD) Member countries regarding probabilistic sa...

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...

Based on a request of Committees, an Organising Committee of Experts on sofware licensing issues was established to develop a state-of-the-art view of the technological problems and methods for ident...

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...

The basic description of the reactor core of a nuclear power plant (NPP) is an important part of the Safety Analysis Report in all countries. Due to increased interest by regulatory authorities in th...

As a follow-up to the 1995 Special Issues meeting on Regulatory Approaches to PSA, CNRA agreed to discuss Review Procedures and Criteria for Different Regulatory Applications of PSA in 1997. This rep...

This report presents a comparison of inspection practices in participating OECD countries relating to control room operator and shift supervisor licenses. Key questions for this comparison were ”What...

As a follow-up to the 1995 document on Compilation of Responses to a Questionnaire on the Evaluation of the Safety Performance of Licensees, WGIP members identified several issues where additional in...

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...

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...

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...

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...

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...

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...

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...

As part of the recommendations made in the CNRA report on Future Nuclear Regulatory Challenges, the issue of regulatory effectiveness was considered of high importance. As a result of this report, a ...

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...

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...

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...

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...

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...

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 ...

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.

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...

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...

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...