Swiss federal authorities

Nuclear facilities

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  • KKW Beznau, Blocks 1 und 2
    Allgemein

    ENSI takes note of the decision to operate Beznau NPP up to 2033

    ENSI takes note of Axpo’s decision to operate Beznau 1 Nuclear Power Plant until 2033 and Beznau 2 Nuclear Power Plant until 2032. Beznau NPP has an open-ended operating licence, as is the case for all Swiss NPPs. Subject to safety being guaranteed, the operator is free to make a commercial decision about how long…

  • Decommissioning

    The decommissioning of a nuclear installation includes all activities necessary to ensure that the installation or site can be used for other purposes, that the installation no longer constitutes a source of radiological hazard and that it is no longer subject to nuclear energy legislation. The operator of a nuclear installation first creates a decommissioning…

  • Periodic Safety Inspection and Safety Verification

    According to the Nuclear Energy Act, the licensee of a nuclear power plant must periodically carry out a comprehensive safety check (Periodic Safety Review, PSR) and, after the fourth decade of operation, provide a safety case for long-term operation. The Nuclear Energy Ordinance specifies the content of the PSR and the safety case for long-term…

  • Transports and Containers

    If radioactive waste is transported, it falls within ENSI’s regulatory area. The safety measures for such transports are subject to strict national and international regulations. Radioactive waste can be transported by road or rail. Special containers are used, on the one hand to protect the environment from radiation, and on the other to protect the…

  • KKB Beznau
    News, Posts

    Leibstadt and Beznau nuclear power plants can withstand infrequent severe earthquakes

    Both Leibstadt and Beznau nuclear power plants have shown that, in the event of or after a very severe earthquake, they can ensure that their reactors are stable and safe. Dose values of one or 100 millisievert which have to be complied with will not be exceeded even after earthquakes that are only to be…

  • Swiss Federal Interim Storage Facility

    In the Federal Government’s Interim Storage Facility, conditioned waste is primarily stored in 200-litre drums and small containers until the deep geological repository becomes available. News Background articles Documents

  • Würenlingen Interim Storage Facility (Zwilag)

    The Central Interim Storage Facility (ZZL) of Zwilag Zwischenlager Würenlingen AG consists of several interim storage buildings, a conditioning plant and an incineration/melting plant (plasma plant).

  • EPFL Research Reactor

    The nuclear installations of the École Polytechnique Fédérale de Lausanne (EPFL) include the CROCUS research reactor, the CARROUSEL neutron experiment, the LOTUS neutron source, and the associated laboratories.

  • PSI Nuclear Facilities

    The Paul Scherrer Institute PSI is the largest research institute for natural and engineering sciences in Switzerland. It develops, builds, and operates large-scale research facilities, and conducts research into future technologies, energy and climate, health innovation, and the fundamentals of nature.