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Beznau Nuclear Power Plant

Type: Pressurised water reactor

Start of commercial operations: 1969/1972

Nominal thermal output of each reactor: 1130 MW

Gross electrical output: 380 MWe

Net electrical output: 365 MWe

 

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News

  • News, Posts

    2023 Oversight Report: The safety status of the nuclear power plants is good

    ENSI verified the status of the Swiss nuclear power plants by 327 inspections. In 2023, the year under review, 22 reportable nuclear-safety-relevant incidents were recorded at the nuclear power plants. ENSI provides detailed information in the oversight report published today.

    Annual reports, Beznau Nuclear Power Plant, Documents, ENSI, Events, Gösgen Nuclear Power Plant, Leibstadt Nuclear Power Plant, Nuclear Facilities, Nuclear Power Plants
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  • 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…

    Beznau Nuclear Power Plant, Earthquakes, Gösgen Nuclear Power Plant, Leibstadt Nuclear Power Plant, Mühleberg Nuclear Power Plant, Nuclear Facilities, Nuclear Power Plants
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  • Background articles, News, Posts

    All Swiss nuclear power plants comply with the updated earthquake safety standards

    For the second time since the Fukushima accident in 2011, power plant operators have demonstrated that their plants are capable of withstanding an extremely rare, severe earthquake. The safety case for a flood caused by an earthquake has also been checked. The findings from the safety proofs generated in the aftermath of Fukushima have been…

    Beznau Nuclear Power Plant, Earthquakes, Flooding, Fukushima, Gösgen Nuclear Power Plant, Leibstadt Nuclear Power Plant, Mühleberg Nuclear Power Plant, Nuclear Facilities
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  • News, Posts

    IAEA Director General receives an insight into Swiss backfitting philosophy

    ENSI experts gave the Head of the International Atomic Energy Agency (IAEA), Rafael Grossi, a guided tour of the Beznau nuclear power plant during a working visit to Switzerland. Grossi was given a picture of the continuous improvements made to nuclear safety as laid down in the Vienna Declaration, in the setting of the Beznau…

    Beznau Nuclear Power Plant, ENSI, International, International Affairs
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  • News, Posts

    ENSI’s assessment of earthquake safety at the Beznau nuclear power plant ruled correctly

    The Swiss Federal Nuclear Safety Inspectorate assessed the earthquake safety of the Beznau nuclear power plant in accordance with the legal requirements. The Swiss Federal Administrative Court has thus rejected an appeal lodged by 15 individuals.

    Beznau Nuclear Power Plant, Court decisions, Earthquakes
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  • News, Posts

    Video interview: Beznau 1 Nuclear Power Plant gets the go-ahead to start up again

    Hans Wanner, Director General of ENSI: “Axpo has proved that the inclusions found in the steel of the reactor pressure vessel do not have a negative effect on the safety. ”

    Beznau Nuclear Power Plant, Nuclear Facilities
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  • News

    Beznau 1: Aluminium oxide inclusions do not have a negative impact on reactor pressure vessel safety

    Beznau 1 NPP gets the go-ahead to start up again. Axpo has proved that the inclusions found in the steel of the reactor pressure vessel do not have a negative effect on safety. ENSI, the Swiss Federal Nuclear Safety Inspectorate, has reviewed and accepted the safety case.

    Beznau Nuclear Power Plant, Nuclear Facilities
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  • Interviews, News, Posts

    “Extensive test program shows no evidence of a detrimental effect of the inclusions on the brittle fracture reference temperature”

    An international panel of experts supported the Swiss Federal Nuclear Safety Inspectorate ENSI in assessing Axpo’s safety case for the Beznau 1 reactor pressure vessel. In an interview, the chair of the review panel Tim Williams explains why they support the conclusion that Beznau 1 may be restarted.

    Beznau Nuclear Power Plant, Nuclear Facilities
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  • News, Posts

    Chronology: from the findings in Belgium to the proof of safety from Beznau 1

    In the summer of 2012, findings are detected in the basic material of the reactor pressure vessel of the Belgian nuclear power plant Doel-3. As a result, nuclear power plants in Switzerland also have to carry out inspections. Since findings are also detected in the reactor pressure vessel of Beznau 1, Axpo needs to prove…

    Beznau Nuclear Power Plant, Nuclear Facilities
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