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    Nuclear safety regulation
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    Publications and Reports
    Harmonising the Nuclear Licensing Process for Emerging Technologies: A Global Path Forward

    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...

    English Nuclear safety Regulation Policy Brief Nuclear safety research CSNI Regulation of new and advanced reactors SMR Small modular reactors Advanced reactor systems CNRA Nuclear innovation Nuclear safety regulation …
    Published date: 7 April 2022
    Publications and Reports
    Fukushima Daiichi Nuclear Power Plant Accident, Ten Years On

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

    This ...

    English Public health Radiological protection in nuclear or radiological emergencies Liability and compensation Fukushima Nuclear safety Decommissioning and legacy management Nuclear legislation Remediation Stakeholder engagement Nuclear safety regulation …
    Published date: 3 March 2021
    Joint project
    Computer-based Systems Important to Safety (COMPSIS) Project

    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...

    Risk assessment Accident analysis and management Digital instrumentation Nuclear safety research Safety research Digital instrumentation and control in nuclear safety …
    Published date: 22 April 2020
    NEA Document
    Behaviour of Iodine Project 3: Final Summary Report
    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...

    Nuclear safety State-of-the-art report Nuclear safety research CSNI PRG CSNI Joint project Safety Safety research CNRA Nuclear safety regulation …
    Published date: 15 February 2023
    Event
    Ageing management considerations in mechanical codes and standards
    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...

    Nuclear safety Nuclear safety regulation Codes and standards in nuclear safety
    Published date: 21 February 2023
    Publications and Reports
    NEA brochure

    The brochure provides background information about the NEA.

    English Nuclear law Human aspects of nuclear safety Nuclear law Radiological protection Nuclear science Nuclear economics Nuclear technology Regulation Decommissioning and legacy management Radioactive waste management Nuclear safety research Radiological protection Technology Safety research Radioactive waste management Human action Data Bank Nuclear science Nuclear safety regulation Nuclear economics …
    Published date: 10 September 2018
    Publications and Reports
    The Strategic Plan of the Nuclear Energy Agency 2023-2028

    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...

    English Nuclear law Human aspects of nuclear safety Nuclear law Radiological protection Nuclear science Nuclear safety Nuclear economics Nuclear technology Decommissioning and legacy management Nuclear decommissioning Radioactive waste management Nuclear safety research Safety Data Bank Nuclear science Nuclear safety regulation Nuclear economics …
    Published date: 25 January 2022
    Publications and Reports
    The Strategic Plan of the Nuclear Energy Agency 2017-2022

    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 ...

    English Nuclear law Human aspects of nuclear safety Nuclear law Radiological protection Decommissioning Nuclear science Nuclear economics Nuclear technology Decommissioning and legacy management Nuclear decommissioning Stakeholder Radioactive waste management Nuclear safety research Safety Safety culture Safety research Decontamination Data Bank Nuclear science Nuclear safety regulation Nuclear economics …
    Published date: 22 December 2016
    Publications and Reports
    2019 NEA Annual Report

    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 ...

    English Nuclear law Human aspects of nuclear safety Radiological protection Nuclear science Nuclear economics Nuclear technology Decommissioning and legacy management Radioactive waste management Nuclear safety research Nuclear science Nuclear safety regulation …
    Published date: 12 June 2020
    Publications and Reports
    NEA News 22.1

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

    English Nuclear law Human aspects of nuclear safety Radiological protection Nuclear science Nuclear economics Nuclear technology Decommissioning and legacy management Radioactive waste management Nuclear safety research Nuclear science Nuclear safety regulation …
    Published date: 29 June 2004
    NEA Document
    Advancing the Robustness of Electrical Power Systems of Nuclear Power Plants
    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...

    CNRA Nuclear safety WGELEC Nuclear safety research CSNI PRG CSNI Safety Nuclear safety regulation …
    Published date: 13 January 2023
    Activity
    Working Group on Digital Instrumentation and Control (WGDIC)

    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...

    CNRA WGDIC Digital instrumentation and control in nuclear safety
    Published date: 6 February 2020
    News
    Experts discuss nuclear safety and regulatory issues

    CSNI and CNRA held their biannual meetings and a joint session at the NEA headquarters.

    News brief Nuclear installations CNRA Nuclear safety Regulation Nuclear safety research CSNI Nuclear safety regulation …
    Published date: 10 June 2022
    News
    Fukushima Daiichi Nuclear Power Plant Accident: Message from Director-General Magwood

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

    DG statement Human aspects of nuclear safety Radiological protection Fukushima Decommissioning and legacy management Nuclear safety research Director-General Nuclear safety regulation …
    Published date: 11 March 2022
    News
    Multinational Design Evaluation Programme continues with a new framework

    The Multinational Design Evaluation Programme (MDEP) continues under a new organisational structure after the second Management Board meeting.

    News brief MDEP Regulation of new and advanced reactors Nuclear safety regulation
    Published date: 26 July 2022
    News
    Programme to review new reactor designs enters new phase

    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...

    News brief MDEP Nuclear safety regulation Codes and standards in nuclear safety
    Published date: 15 December 2021
    News
    Multinational Design Evaluation Programme charts way forward

    The Multinational Design Evaluation Programme (MDEP) begins operation under a new framework agreement.

    News brief MDEP Regulation of new and advanced reactors Nuclear safety regulation
    Published date: 4 February 2022
    Publications and Reports
    Methods for Assessing and Strengthening the Safety Culture of the Regulatory Body

    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...

    English Human aspects of nuclear safety Human and organisational factors Nuclear safety WGSC Nuclear safety research Safety culture Safety research CNRA Nuclear safety regulation …
    Published date: 10 May 2021
    Publications and Reports
    The Fukushima Daiichi Nuclear Power Plant Accident: OECD/NEA Nuclear Safety Response and Lessons Learnt

    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...

    English Fukushima Nuclear safety regulation
    Published date: 10 September 2013
    NEA Document
    Reactivity Initiated Accident Benchmark Phase III Report
    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...

    Fuel studies Nuclear safety Nuclear technology Nuclear security Nuclear safety research CSNI PRG CSNI Safety CNRA Uncertainty analysis Nuclear safety regulation WGFS …
    Published date: 18 October 2022
    Activity
    Committee on Nuclear Regulatory Activities (CNRA)

    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...

    New build Boiling water reactors Digital instrumentation Regulation Inspection Inspection practices Advanced reactors Safety culture Regulation of new and advanced reactors Operating experience Codes and standards in nuclear safety Digital instrumentation and control in nuclear safety Boiling water reactors and nuclear safety CNRA Nuclear safety regulation …
    Published date: 10 February 2021
    Other
    Effective Nuclear Regulation and Safety Management in a Pandemic
    Nuclear safety Regulation Nuclear safety research CSNI COVID-19 Nuclear safety regulation …
    Published date: 30 September 2022
    News
    Nuclear safety five years after the Fukushima Daiichi accident

    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.

    Human aspects of nuclear safety Press release Fukushima Nuclear safety Regulation Nuclear safety research Safety Safety culture Nuclear safety regulation Safety research …
    Published date: 29 February 2016
    Publications and Reports
    CSNI Technical Opinion Papers - No. 3

    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...

    English CSNI Nuclear safety regulation Technical Opinion Papers
    Published date: 31 December 2004
    Publications and Reports
    CSNI Technical Opinion Papers - No. 6

    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...

    English CSNI Nuclear safety regulation Technical Opinion Papers
    Published date: 2 December 2004
    Publications and Reports
    CSNI Technical Opinion Papers - Nos. 7-8

    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...

    English CSNI Nuclear safety regulation Technical Opinion Papers
    Published date: 1 February 2005
    Publications and Reports
    CSNI Technical Opinion Papers - No. 4

    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 (...

    English CSNI Nuclear safety regulation Technical Opinion Papers
    Published date: 9 February 2004
    Publications and Reports
    CSNI Technical Opinion Papers - No. 5

    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...

    English CSNI Nuclear safety regulation Technical Opinion Papers
    Published date: 9 June 2004
    Publications and Reports
    CSNI Technical Opinion Papers - No. 9

    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...

    English CSNI Nuclear safety regulation Technical Opinion Papers
    Published date: 20 April 2007
    Publications and Reports
    CSNI Technical Opinion Papers - No. 11

    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...

    English CSNI Nuclear safety regulation Technical Opinion Papers
    Published date: 26 February 2009
    Publications and Reports
    CSNI Technical Opinion Papers - No. 10

    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...

    English CSNI Nuclear safety regulation Technical Opinion Papers
    Published date: 3 February 2009
    Publications and Reports
    CSNI Technical Opinion Papers - No. 12

    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...

    English CSNI Nuclear safety regulation Technical Opinion Papers
    Published date: 11 December 2009
    Publications and Reports
    CSNI Technical Opinion Papers No. 14

    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...

    English CSNI Nuclear safety regulation Technical Opinion Papers
    Published date: 15 May 2012
    Publications and Reports
    CSNI Technical Opinion Papers No. 15

    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...

    English CSNI Nuclear safety regulation Technical Opinion Papers
    Published date: 31 December 2013
    Publications and Reports
    CSNI Technical Opinion Papers No. 16

    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...

    English CSNI Nuclear safety regulation Technical Opinion Papers
    Published date: 17 May 2013
    Publications and Reports
    CSNI Technical Opinion Paper No. 17

    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...

    English Nuclear safety research CSNI Nuclear safety regulation Technical Opinion Papers …
    Published date: 27 May 2019
    Publications and Reports
    CSNI Technical Opinion Papers - Nos. 1-2

    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...

    English Nuclear safety research CSNI Nuclear safety regulation Technical Opinion Papers …
    Published date: 26 September 2002
    Publications and Reports
    CSNI Technical Opinion Papers – No. 13

    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, ...

    English CSNI Nuclear safety regulation WGFS Technical Opinion Papers …
    Published date: 21 September 2011
    Publications and Reports
    CSNI Technical Opinion Paper - No. 18

    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...

    English WGRISK WGIAGE WGEV Safety Nuclear safety regulation Probabilistic risk assessment Technical Opinion Papers …
    Published date: 27 September 2021
    NEA Document
    Joint CSNI/CNRA Strategic Plan and Mandates: 2011-2016
    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...

    English CNRA Nuclear safety research CSNI Nuclear safety regulation …
    Published date: 25 February 2013
    Event
    WGCS International Workshop on Mechanical Codes and Standards: In-Service Inspection
    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 (...

    WGCS Codes and standards in nuclear safety
    Published date: 20 April 2022
    Activity
    Working Group on Codes and Standards (WGCS)

    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-...

    WGCS Nuclear safety regulation Codes and standards in nuclear safety
    Published date: 21 April 2020
    Publications and Reports
    福島第一原子力発電所事故から10年

    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...

    Public health Radiological protection in nuclear or radiological emergencies Liability and compensation Fukushima Nuclear safety Decommissioning and legacy management Japanese Nuclear legislation Remediation Stakeholder engagement Nuclear safety regulation …
    Published date: 28 July 2021
    Publications and Reports
    Insights from Leaders in Nuclear Energy: Leadership for Safety

    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...

    English Human aspects of nuclear safety WGSC Switzerland Safety culture United Kingdom Public communication Human and organisational factors Director-General Nuclear safety regulation …
    Published date: 16 December 2019
    Publications and Reports
    Insights from Leaders in Nuclear Energy: Safety, Performance, and Responsibility

    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. ...

    English Human aspects of nuclear safety CNRA WGSC Japan Safety culture Safety culture Director-General Nuclear safety regulation …
    Published date: 15 January 2019
    Activity
    Working Group on the Regulation of New Reactors (WGRNR)

    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...

    New build WGRNR Operational safety CNRA Inspection Inspection practices Regulation of new and advanced reactors Operating experience …
    Published date: 11 February 2022
    Activity
    Working Party on Boiling Water Reactors (WPBWR)

    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).

    Boiling water reactors Boiling water reactors and nuclear safety CNRA WPBWR Nuclear safety regulation …
    Published date: 11 February 2022
    Activity
    Working Group on Safety Culture (WGSC)

    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...

    Human aspects of nuclear safety CNRA Stakeholder Safety culture Safety culture Operating experience Nuclear safety regulation Safety research …
    Published date: 11 February 2022
    News
    Key NEA committees meet to discuss developments in nuclear safety research and regulation

    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...

    News brief CNRA Nuclear safety Regulation Nuclear safety research CSNI Nuclear safety regulation …
    Published date: 14 December 2021
    News
    Latest updates on NEA work in nuclear safety and regulation

    CNRA/CSNI meetings, May-June 2021.

    News brief CNRA Nuclear safety Regulation Nuclear safety research CSNI Nuclear safety regulation …
    Published date: 10 June 2021
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