Swiss federal authorities

Posts

248 items
248 items found. You are viewing page 1 from 28 pages.
  • 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.

  • Country Specific Safety Culture Forum (CSSCF) Switzerland
    News, Posts

    Typical Swiss characteristics and their influence on safety and oversight culture

    Professionalism, precision, personal responsibility: such typical Swiss characteristics support a good safety culture. Other typical characteristics, such as a focus on consensus and complacency, on the other hand, could have a negative influence, writes the NEA/OECD in its recently published report on the Country-Specific Safety Culture Forum Switzerland held at the end of 2024.

  • Patrick Tschudin, new Chief of Staff of ENSI's Directorate Division
    News, Posts

    New Chief of Staff of the Directorate Division

    On 25 March, the Board of the Swiss Federal Nuclear Safety Inspectorate (ENSI) appointed Patrick Tschudin as the new Chief of Staff of the Directorate Division. He will take up his post on 1 August this year. The lawyer and current head of the Legal Section succeeds Andreas Schefer, who will continue to work for…

  • Expert report on the Supplementary Diorit Decommissioning Project of the Paul Scherrer Institute
    News, Posts

    Supplementary Diorit decommissioning project at PSI meets protection objectives

    PSI has clearly demonstrated that the supplementary decommissioning project of the Diorit nuclear installation can comply with the basic protection objectives of nuclear safety and security. This is the conclusion reached by ENSI in its expert report.

  • Statement on the 2022 Periodic Safety Review (PSR) of the Leibstadt Nuclear Power Plant
    News, Posts

    Leibstadt Nuclear Power Plant: ENSI calls for improvements for long-term operation

    Leibstadt Nuclear Power Plant was operated with the necessary care during the review period from 1 January 2016 to 31 December 2021 and maintained a good level of safety. ENSI notes this in a statement on the 2022 Periodic Safety Review (PSR). Additionally, ENSI assesses the Leibstadt Nuclear Power Plant backfit concept for long-term operation…

  • News, Posts

    Detailed exchange with the Polish Nuclear Regulatory Authority

    A high-ranking delegation from the Polish Nuclear Regulatory Authority (PAA) visited Switzerland from 17 to 19 November 2025. The programme included an exchange of experiences on regulatory activities, safety culture, research and deep geological disposal of radioactive waste.

  • Ausbreitungsrechnungen für Schweizer Kernanlagen
    Background articles

    Dispersion models

    In the event of an unplanned release of radioactive substances into the atmosphere, protecting the population and the environment is of the highest priority. This requires early identification of the areas potentially affected by the radioactive substances. Before the onset of a release, however, it is not yet possible to rely on environmental radioactivity measurements.…