Swiss federal authorities

Gösgen Nuclear Power Plant

Type: Pressurised water reactor

Start of commercial operations: 1979

Nominal thermal output

of reactor: 3002 MW

Gross electrical output: 1060 MWe

Net electrical output: 1010 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.

  • 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…

  • 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…

  • News, Posts

    The carbon content of the steam generators at Beznau and Gösgen is not too high

    The steam generators at Beznau and Gösgen do not deviate from the design requirements in terms of their carbon content. This is the result of a review of the manufacturing documents. The structural integrity of the steam generators’ individual components is ensured by a large margin.

  • Georg Schwarz
    News, Posts

    “The inspection of the steam generators of the Gösgen and Beznau Nuclear Power Plants will not require a temporary shut-down”

    At the beginning of December 2016 the Swiss Federal Nuclear Safety Inspectorate (ENSI) requested the inspection of the steam generators at the Gösgen and Beznau nuclear power plants. Georg Schwarz, ENSI Deputy Director and head of the NPPs Division, explains the background and context in the following interview.

  • News, Posts

    Beznau and Gösgen nuclear power plants must check their steam generators

    The Swiss Federal Nuclear Safety Inspectorate (ENSI) requires that the Beznau and Gösgen nuclear power plants check the quality and design of the forgings of the steam generators in respect of adherence to the material specifications. In doing so, ENSI is reacting to information from France.

Background Articles

  • Background articles

    Radiation Measurement Technology

    Development and Research Work in the Field of Radiation Measurement Technology: this project deals with the verification and calibration of dosimetry systems and radiation measurement instruments. On the one hand, importance attaches to personal dosimetry, i.e. the measurement of the outer and inner radiation exposure for people.

Documents