ENSI

Swiss Federal Nuclear Safety Inspectorate

Swiss Federal Nuclear Safety Inspectorate ENSI

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    • EU Stress Test
      • Swiss status report for 2012 submitted
      • High safety level of Swiss nuclear power plants is confirmed
      • ENSI presents its first Action Plan based on the Lessons Learned from Fukushima
      • EU Stress Test confirms safety of Swiss nuclear power plants
    • Fukushima
      • ENSI Report on Fukushima I: Chronology
      • ENSI Report on Fukushima II: People and Organisation
      • ENSI Report on Fukushima III: Lessons Learned
      • ENSI Report on Fukushima IV: Radiological Effects
      • Frequently Asked Questions (FAQ) about the Accident in Japan
      • Comparison with Chernobyl
        • Impact on the Surrounding Areas
        • Progressions of the Accidents at Chernobyl and Fukushima Dai-ichi
    • IRRS Mission 2011
      • “We shall quickly implement the recommendations from the IAEA experts.”
      • Good marks for Swiss nuclear supervision
      • “It’s hard work”: Inspectors on inspecting inspectors
      • The international IAEA team
      • The 12 IRRS mission modules
      • ENSI undergoes rigorous scrutiny
    • Core Shroud
      • The core shroud does not perform a barrier function
      • Mühleberg Core Shroud
        • Fissures in the KKM Core Shroud: ENSI’s Previous Assessment is Confirmed
        • Mühleberg Core Shroud: ENSI Requires a Long-Term Solution
        • Fissures in the Mühleberg Core Shroud
    • Flooding
      • Cooling Water Intake at the Mühleberg Nuclear Power Plant: New Structures Released for Operation
      • Swiss nuclear power plants will cope with flooding
      • The Safety of Swiss Nuclear Plants in case of External Flooding
  • Nuclear facilities
    • Nuclear facilities in Switzerland
      • Beznau
      • Gösgen
      • Leibstadt
      • Mühleberg
      • Research reactors
      • Waste Management Facilities
    • Events
    • Regulatory research
      • Reactor Safety
        • KORA-II
        • PISA
        • Non-Destructive Measurements on the Containment
        • STARS V
        • OECD SCIP
        • MELCOR
        • MSWI
        • OECD Halden Reactor Project
        • OECD CABRI Waterloop Project
        • OECD MCCI
        • OECD Database Projects
      • Radiation Protection
        • Radiation Measurement Technology
        • Radioanalysis
        • ARTIST
      • Waste Management
        • Mont Terri Rock Laboratory
        • FORGE
      • People, Organisation and Safety Culture
        • OECD HRP
        • Requirements Analysis
        • HRA
    • Taking Nuclear Power Plants out of Service
    • New Nuclear Power Plants
      • ENSI’s Assessment of the General Licence Applications from EKKB, EKKM and KKN
  • Emergency Preparedness
    • Emergency Preparedness and Zone Plans
    • MADUK monitoring network
    • Dose rates
    • Dispersion modelling
    • INES levels
  • Waste Management
    • Waste treatment
    • Transport
    • Interim storage facilities
    • Deep geological repository
      • Regulatory requirements
      • Sectoral Plan for Deep Geological Repositories (SGT)
      • Specialist issues
      • The history of waste management
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    • Technical Forum on Nuclear Power Plants
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      • Dr. Hans Wanner
      • Dr. Georg Schwarz
      • Dr. Felix Altorfer
      • Dr. Georges Piller
      • Dr. Ralph Schulz
      • Jean-Claude Veyre
      • Michael Wieser
    • Vacant positions
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  • Reactor Safety

Reactor Safety

The focus in the area of reactor safety is on materials research for the monitoring of ageing, as well as research on incidents and accidents in order to continue developing safety analyses. In addition, ENSI participates in a series of international database projects, enabling it to obtain information about the causes, frequency and progressions of incidents.

ENSI supports and provides follow-through for the following research projects in the area of reactor safety:

  • KORA-II: Corrosion Growth in Austenitic Structural Materials
  • PISA: Pressure Vessel Integrity and Safety Analysis
  • Fracture Mechanical Characterisation of Materials to Monitor Neutron Embrittlement of Reactor Pressure Vessels (RPV)
  • Feasibility Study for Non-Destructive Measurements on the Steel Pressure Shell of the Primary Containments of Nuclear Power Plants
  • STARS V: Safety Research in Relation to Transient Analysis for the Reactors in Switzerland
  • OECD SCIP: Studdsvik Cladding Integrity Project
  • MELCOR: Review and Ongoing Development of the MELCOR Computer Code
  • MSWI: Melt-Structure-Water Interactions during Severe Accidents in LWRs
  • OECD Halden Reactor Project, Fuel and Material Behaviour Section
  • OECD CABRI Waterloop Project
  • OECD MCCI: Melt Coolability and Concrete Interaction
  • OECD Database Projects

 

  • News

    Current topics and news about ENSI are available in German and French.

  • EU Stress Test


    The safety of Swiss nuclear power plants and their continuous inspection is one of ENSI’s most important areas of responsibility. Generally speaking, the stress test represents a revaluation of risk in consideration of the experiences gained from Fukushima.
    » read more

  • The Integrated Regulatory Review Service (IRRS)


    ENSI intends to maintain the highest standard of quality with regard to its work. For this reason, a group of experts from the International Atomic Energy Agency (IAEA) has carried out a thorough inspection at ENSI between 21 November and 2 December 2011.
    » read more

  • Dose rates


    ENSI operates an automatic dose-rate monitoring network in the vicinity of nuclear facilities. Readings are transmitted round the clock to ENSI. You find the real time measurements here.
    » read more

  • The Regulatory Authority

    ENSI, the Swiss Federal Nuclear Safety Inspectorate is the national regulatory authority with responsibility for nuclear energy.

  • Contact

    Swiss Federal Nuclear Safety Inspectorate ENSI
    Industriestrasse 19
    CH-5200 Brugg

    Tel: +41 (0)56 460 84 00
    E-mail: info@ensi.ch

  • Follow ENSI

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Jump to top
  • Dossiers
    • EU Stress Test
      • Swiss status report for 2012 submitted
      • High safety level of Swiss nuclear power plants is confirmed
      • ENSI presents its first Action Plan based on the Lessons Learned from Fukushima
      • EU Stress Test confirms safety of Swiss nuclear power plants
    • Fukushima
      • ENSI Report on Fukushima I: Chronology
      • ENSI Report on Fukushima II: People and Organisation
      • ENSI Report on Fukushima III: Lessons Learned
      • ENSI Report on Fukushima IV: Radiological Effects
      • Frequently Asked Questions (FAQ) about the Accident in Japan
      • Comparison with Chernobyl
        • Impact on the Surrounding Areas
        • Progressions of the Accidents at Chernobyl and Fukushima Dai-ichi
    • IRRS Mission 2011
      • “We shall quickly implement the recommendations from the IAEA experts.”
      • Good marks for Swiss nuclear supervision
      • “It’s hard work”: Inspectors on inspecting inspectors
      • The international IAEA team
      • The 12 IRRS mission modules
      • ENSI undergoes rigorous scrutiny
    • Core Shroud
      • The core shroud does not perform a barrier function
      • Mühleberg Core Shroud
        • Fissures in the KKM Core Shroud: ENSI’s Previous Assessment is Confirmed
        • Mühleberg Core Shroud: ENSI Requires a Long-Term Solution
        • Fissures in the Mühleberg Core Shroud
    • Flooding
      • Cooling Water Intake at the Mühleberg Nuclear Power Plant: New Structures Released for Operation
      • Swiss nuclear power plants will cope with flooding
      • The Safety of Swiss Nuclear Plants in case of External Flooding
  • Nuclear facilities
    • Nuclear facilities in Switzerland
      • Beznau
      • Gösgen
      • Leibstadt
      • Mühleberg
      • Research reactors
      • Waste Management Facilities
    • Events
    • Regulatory research
      • Reactor Safety
        • KORA-II
        • PISA
        • Non-Destructive Measurements on the Containment
        • STARS V
        • OECD SCIP
        • MELCOR
        • MSWI
        • OECD Halden Reactor Project
        • OECD CABRI Waterloop Project
        • OECD MCCI
        • OECD Database Projects
      • Radiation Protection
        • Radiation Measurement Technology
        • Radioanalysis
        • ARTIST
      • Waste Management
        • Mont Terri Rock Laboratory
        • FORGE
      • People, Organisation and Safety Culture
        • OECD HRP
        • Requirements Analysis
        • HRA
    • Taking Nuclear Power Plants out of Service
    • New Nuclear Power Plants
      • ENSI’s Assessment of the General Licence Applications from EKKB, EKKM and KKN
  • Emergency Preparedness
    • Emergency Preparedness and Zone Plans
    • MADUK monitoring network
    • Dose rates
    • Dispersion modelling
    • INES levels
  • Waste Management
    • Waste treatment
    • Transport
    • Interim storage facilities
    • Deep geological repository
      • Regulatory requirements
      • Sectoral Plan for Deep Geological Repositories (SGT)
      • Specialist issues
      • The history of waste management
    • Research
  • Documents
    • Legal Basis
    • Guidelines in force
    • Annual reports
    • Conventions
    • Presentation and articles
    • Other documents
  • Services
    • Access to official documents
    • Guided Tours of the Mont Terri Rock Laboratory
    • Technical Safety Forum
    • Technical Forum on Nuclear Power Plants
  • ENSI
    • About ENSI
    • ENSI’s Remit
    • ENSI Act
    • ENSI Board
    • ENSI Executive Board
      • Dr. Hans Wanner
      • Dr. Georg Schwarz
      • Dr. Felix Altorfer
      • Dr. Georges Piller
      • Dr. Ralph Schulz
      • Jean-Claude Veyre
      • Michael Wieser
    • Vacant positions
  • Disclaimer
  • Contact us
  • Media Services
  • The Regulatory Authority

    ENSI, the Swiss Federal Nuclear Safety Inspectorate is the national regulatory authority with responsibility for nuclear energy.

  • Contact

    Swiss Federal Nuclear Safety Inspectorate ENSI
    Industriestrasse 19
    CH-5200 Brugg

    Tel: +41 (0)56 460 84 00
    E-mail: info@ensi.ch

  • Follow ENSI