Swiss federal authorities

International conventions

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  • Allgemein, Posts

    IAEA General Conference 2026: focus on the rapid expansion of nuclear energy and regulatory change

    ENSI was part of the Swiss delegation at the IAEA General Conference. Together with other regulatory authorities, ENSI advocated for the maintenance of high safety standards. This is all the more important in a context characterised by the rapid global growth in the use of nuclear energy.

  • International Conventions

    Switzerland has ratified the following international conventions in the areas of nuclear safety and security. ENSI represents Switzerland in these bodies: News Background articles Documents

  • News, Posts

    Conclusion of the IPPAS Mission 2023: Switzerland has a strong nuclear security regime

    The conclusion of the experts from the International Atomic Energy Agency (IAEA) upon completion of the two-week review mission is that Switzerland has a robust nuclear security system. During the mission of the International Physical Protection Advisory Service IPPAS, from 30 October to 10 November 2023, the international team carried out a detailed examination of…

  • Documents

    Summary Report CNS 2023

  • Documents

    Country Review Report CNS 2023

  • Convention on Nuclear Safety
    Allgemein

    The CNS confirms: Switzerland complies with international requirements

    The eighth and ninth review conference of the Convention on Nuclear Safety praised Switzerland for the federal partial funding of ENSI’s research programme. The long-term retention of competence for nuclear safety in Switzerland was also highlighted as a challenge. In summary, Switzerland performed well in an international comparison.

  • IAEA Building in Vienna
    News, Posts

    Convention on Nuclear Safety to evaluate two National Reports from Switzerland

    ENSI will be participating in the Ninth Review Meeting of the Convention on Nuclear Safety of the International Atomic Energy Agency (IAEA) in Vienna, scheduled to take place from 20 to 31 March. This year’s conference will be evaluating Switzerland’s Eighth and Ninth National Reports.

  • News, Posts

    Convention on Nuclear Safety: Switzerland submits 9th national report to IAEA

    Switzerland has submitted its 9th national report on the Convention on Nuclear Safety (CNS) to the International Atomic Energy Agency (IAEA) in Vienna. The report shows that Switzerland is complying with the requirements of the international convention.

  • Allgemein

    Seventh Review Meeting of the Joint Convention: Switzerland Honours its Commitments

    From 27 June to 8 July 2022, ENSI participated in the Seventh Review Meeting of the Joint Convention at the IAEA headquarters in Vienna. ENSI Director Marc Kenzelmann led the Swiss delegation, with Switzerland receiving top marks for its handling of spent fuel and radioactive waste.