Swiss federal authorities

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  • Strahlenschutzbericht 2025
    News, Posts

    Effective radiation protection in Swiss nuclear installations confirmed once again

    ENSI’s Radiation Protection Report 2025 shows that all Swiss nuclear installations remained well within the legal requirements for the release of radioactive substances into the environment and the radiation exposure of personnel. ENSI verified this during the year under review through inspections, measurements and checks.

  • ENSI Erfahrungs- und Forschungsbericht 2025
    News, Posts

    ENSI publishes Research and Experience Report 2025: focus on robotics for radiation protection and human factors

    The 2025 Research and Experience Report reveals a year marked by the expansion of regulatory safety research and important international developments. With more than 50 ongoing projects, ENSI’s research programme is bigger than ever and is specifically strengthening the scientific basis for nuclear oversight in Switzerland.

  • IAEA Regulators’ Conference 2026
    News, Posts

    IAEA Regulators’ Conference 2026: Perspectives on a resilient regulatory culture

    From 27 to 30 April 2026, ENSI participated in the Regulators’ Conference of the International Atomic Energy Agency (IAEA) in Vienna. In the panel discussion on resilient regulatory culture, ENSI Director General Marc Kenzelmann presented ENSI’s perspective.

  • Swiss Delegation to the 2026 CNS Review Meeting
    News, Posts

    CNS Review Meeting 2026: positive result for Switzerland and identified challenge concerning the availability of national expertise

    Switzerland received a positive overall assessment at the tenth Review Meeting of the Convention on Nuclear Safety. Alongside several areas where its performance was assessed as particularly good, one key challenge was identified concerning the long-term availability of technical expertise.