Swiss federal authorities

Research

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  • ENSI Erfahrungs- und Forschungsbericht 2024
    News, Posts

    ENSI Publishes its 2024 Research and Experience Report: New Findings for Long-Term Operation

    The 2024 Research and Experience Report is focused on research into earthquake risks, fire propagation in reactors and the health effects of ionising radiation. The report presents important findings for regulatory practice, especially relating to the long-term operation of nuclear power plants, and simultaneously gives an insight into ENSI’s broad-based international cooperation.

  • News, Posts

    Long-term operation takes centre stage

    With the service mandate from 2024 to 2027, the ENSI Board has set new targets for the Swiss Federal Nuclear Safety Inspectorate (ENSI). The focus of ENSI’s regulatory activities is now the safe long-term operation of the nuclear power plants.

  • Radiation exposure of humans and the environment

    Public awareness of scientific studies into the consequences of radiation exposure in the low-dose range is growing, heightening social debate about the associated risks. The International Commission on Radiological Protection (ICRP) is currently revising the fundamental recommendations to ensure that the latest research results can be taken on board in an appropriate manner. Interpreting these…

  • Deep geological repositories and interim storage

    Waste management issues relating to the construction of deep geological repositories, including the encapsulation plant and long-term dry storage of spent fuel elements To date, ENSI has geared its research into the disposal of radioactive waste towards the assessments required by the Sectoral Plan for Deep Geological Repositories. As the deadline for finding sites approaches,…

  • Effects of earthquakes on nuclear installations

    Effects of earthquakes on nuclear installations (buildings, systems and components) Earthquakes represent very significant natural hazards. Very powerful earthquakes constitute the most major contributor to core damage frequency in probabilistic safety analyses for Swiss nuclear power plants. Swiss research into how earthquakes arise and how seismic waves are propagated underground to the sites of nuclear…

  • Long-term operation of nuclear power plants

    Long-term operation of nuclear power plants, especially matters relating to material ageing This subject is a matter of urgency in view of the open-ended operating licences granted to Swiss nuclear power plants to ensure they can operate safely in future decades. The focus is on cooling-circuit components, especially elements that cannot be replaced, such as…

  • ENSI research strategy
    News, Posts

    New ENSI research strategy

    ENSI has updated its research strategy in recent months and the ENSI Board approved it in January 2023. The focus in the coming years will be on radiation protection, the effects of earthquakes on nuclear facilities, the long-term operation of nuclear power plants and disposal issues.

  • News, Posts

    Tumour risk analysis: ENSI publishes scientific paper on calculation models

    Calculations of radiation-induced tumour risks should also take account of uncertainties in the models used. This is the conclusion reached by ENSI radiation protection expert Luana Hafner and physicist Alberto Stabilini in their scientific paper. In a collaboration with epidemiologist Linda Walsh, they compared different risk assessment models.

  • News, Posts

    25th Anniversary of the Mont Terri Rock Laboratory: Independent research improves safety

    The Mont Terri Rock Laboratory has been carrying out geological experiments in the Opalinus Clay since 1996 to assess it as a host rock for the deep geological disposal of Swiss radioactive waste and as a storage rock for CO2. On the occasion of the 25th Anniversary in the town of St Ursanne in the…