Swiss federal authorities

Leibstadt Nuclear Power Plant

Type: Boiling water reactor BWR/6

Start of commercial operations: 1984

Nominal thermal output of reactor: 3600 MW

Gross electrical output: 1285 MWe

Net electrical output: 1233 MWe

 

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News

  • 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…

  • Gesamtansicht des Kernkraftwerkes Leibstadt mit grüner Wiese
    News, Posts

    2024 Operating Report: Nuclear installations met safety requirements

    Over the past year, nuclear installations in Switzerland fulfilled the requirements for safe operation. This is the conclusion reached by the Swiss Federal Nuclear Safety Inspectorate (ENSI) in its initial operating report for the 2024 oversight year. Both the public and the environment were protected from radioactive substances.

  • 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.

  • Delegation der spanischen Aufsichtsbehörde.
    News, Posts

    The Spanish regulatory authority and ENSI in talks on radiation protection

    From 6 to 8 May 2024, a delegation from the Spanish regulatory authority visited ENSI. Discussions focused on the topic of radiation protection, in particular exchanging of experience relating to the Leibstadt NPP and to the Mühleberg NPP, which is currently being dismantled.

  • 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

    Quality assurance errors relating to some fuel rods in the Leibstadt Nuclear Power Plant

    A few days ago, Leibstadt Nuclear Power Plant (KKL) informed the Swiss Federal Nuclear Safety Inspectorate (ENSI) that some fuel elements do not fulfil the requirements of the applicable specifications. Accordingly, KKL decided to replace them for safety reasons. The safety of man and the environment was ensured at all times.

  • News, Posts

    “Cladding tube damage poses no risk to mankind or the environment”

    The Swiss Federal Nuclear Safety Inspectorate (ENSI) has issued Leibstadt Nuclear Power Plant (KKL) approval to restart subject to conditions. The conditions under which dryouts have occurred at KKL are known. KKL has instigated counter measures. Consequently operation is safe. In an interview Ralph Schulz, Director of the Safety Analyses Division, shares some background insights.

  • News, Posts

    ENSI issues Leibstadt Nuclear Power Plant approval to restart subject to conditions

    Leibstadt Nuclear Power Plant can restart power operation after an extended annual overhaul. The Swiss Federal Nuclear Safety Inspectorate (ENSI) has checked the clarification of the causes and measures derived from it for the avoidance of critical boiling conditions or dryouts. After the circumstances that led to the dryout had been identified, the supervisory authority…