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    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
    NEA Document
    Phase III of the Assessment of Structures Subjected to Concrete Pathologies (ASCET): Final Report
    NEA/CSNI/R(2019)11

    In the ASCET Phase III, the goal was to assess and develop the Phase II (blind benchmark) recommendations using additional test results. The Phase III simulations were performed using a full set of t...

    English Nuclear safety Nuclear safety research CSNI PRG Safety assessment CSNI Safety Structural materials CNRA WGIAGE …
    Published date: 24 November 2022
    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
    NEA Document
    Consensus Position on the Impact of Cyber Security Features on Digital Instrumentation and Control Systems Important to Safety at Nuclear Power Plants [CP-08]
    NEA/CNRA/R(2021)2

    The NEA Working Group on Digital Instrumentation and Controls (WGDIC) has agreed that a consensus position on the impact of cyber security features on digital instrumentation and control (I&C) system...

    IAEA CNRA Nuclear safety Digital instrumentation Security WGDIC CSNI Safety International co-operation …
    Published date: 7 November 2022
    NEA Document
    ICDE Topical Report: Collection and Analysis of Multi-Unit Common-Cause Failure Events
    NEA/CSNI/R(2019)6

    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 was multi-unit CCF events.

    T...

    CNRA Nuclear safety CSNI PRG CSNI Joint project Safety Safety research …
    Published date: 3 November 2022
    NEA Document
    ICDE Topical Report: Provision Against Common-cause Failures by Improving Testing
    NEA/CSNI/R(2019)5

    This report presents a study performed on a set of common-cause failure (CCF) events within the Nuclear Energy Agency (NEA) International Common-cause Failure Data Exchange (ICDE) Project. The topic ...

    CNRA Nuclear safety CSNI PRG CSNI Joint project Safety Safety research …
    Published date: 3 November 2022
    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
    NEA Document
    Prestressed Concrete Reactor Containment Behaviour in Test Condition Taking into Account Ageing Effects (VeRCoRs)
    NEA/CSNI/R(2019)15

    The VeRCoRs facility mock-up is a reactor containment building at 1/3 scale. The mock-up is instrumented so that its behaviour is monitored from the beginning of construction. More than 700 sensors a...

    English Nuclear safety Nuclear safety research CSNI PRG CSNI Safety Safety research CNRA WGIAGE …
    Published date: 27 September 2022
    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
    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
    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
    NEA Document
    NEA CODAP Project Topical Report: A Review of the "Post-1998" Experience with Thermal Fatigue in Heavy Water and Light Water Reactor Piping Components
    NEA/CSNI/R(2019)13

    Since its inception in 2002, the operating experience with thermal fatigue mechanisms has been an intrinsic aspect of the technical scope of CODAP, which is a joint database project within the Commit...

    Nuclear safety Light water reactors Information, data and knowledge management CSNI PRG Databases CSNI Joint project Safety Technology Safety research CNRA …
    Published date: 11 October 2022
    NEA Document
    OECD/NEA X-FEM Benchmark Final Report
    NEA/CSNI/R(2020)11

    This report summarises the work done for the activity: “Benchmark analysis on the eXtended Finite Element Method (X-FEM) calculation technology in its use to evaluate the fracture mechanics stress in...

    CNRA WGIAGE Nuclear safety CSNI Safety Technology Safety research …
    Published date: 6 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
    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
    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
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