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Mühleberg nuclear power plant (decommissioned)

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  • 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.

    Beznau Nuclear Power Plant, Events, Gösgen Nuclear Power Plant, Leibstadt Nuclear Power Plant, Mühleberg Nuclear Power Plant, Mühleberg nuclear power plant (decommissioned), Nuclear Facilities, Nuclear Power Plants, PSI Nuclear Facilities, Würenlingen AG interim storage facility (ZWILAG)
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  • 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.

    Bilateral Cooperation, ENSI, Leibstadt Nuclear Power Plant, Mühleberg Nuclear Power Plant, Mühleberg nuclear power plant (decommissioned), Radiation Protection
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  • 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, Mühleberg nuclear power plant (decommissioned), Nuclear Facilities
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  • Background articles, Posts

    Dryout: Preventing inadequate cooling of fuel rods

    Heat is generated in the reactor as a result of nuclear fission. To guarantee optimum cooling of the fuel rods, their cladding tubes must always be covered with a film of water. If they are not completely covered with water in specific areas, this is referred to as “dryout”.

    Leibstadt Nuclear Power Plant, Mühleberg Nuclear Power Plant, Mühleberg nuclear power plant (decommissioned), Nuclear Facilities
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  • News, Posts

    Swiss nuclear power plants are unaffected by irregularities at the Le Creusot Forge

    The Swiss nuclear power plants use forgings for the safety-relevant main components with fully documented manufacturing and material quality certificates. This was confirmed by the operators in response to an enquiry made by the Swiss Federal Nuclear Safety Inspectorate (ENSI).

    Beznau Nuclear Power Plant, Gösgen Nuclear Power Plant, Leibstadt Nuclear Power Plant, Mühleberg Nuclear Power Plant, Mühleberg nuclear power plant (decommissioned), Nuclear Facilities
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  • News

    ENSI follows WENRA recommendation on review of reactor pressure vessels

    The Swiss nuclear power plants (NPP) Beznau and Gösgen are required to perform standardized safety reviews of the base materials in their reactor pressure vessels to check for possible manufacturing flaws. Through this requirement, the Swiss Federal Nuclear Safety Inspectorate ENSI is implementing a recommendation issued by the Western European Nuclear Regulators Association (WENRA).

    Beznau Nuclear Power Plant, Doel and Tihange, ENSI, Gösgen Nuclear Power Plant, Leibstadt Nuclear Power Plant, Mühleberg nuclear power plant (decommissioned), Nuclear Facilities
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  • 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.

    Gösgen Nuclear Power Plant, Mühleberg Nuclear Power Plant, Mühleberg nuclear power plant (decommissioned), Radiation Protection
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  • Cooling Water Intake at the Mühleberg Nuclear Power Plant: New Structures Released for Operation

    ENSI has accepted the back-fitting measures for the cooling water intakes at the Mühleberg nuclear power plant (KKM) and has issued a permit for them to operate.

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  • Fissures in the KKM Core Shroud: ENSI’s Previous Assessment is Confirmed

    The core shroud in the Mühleberg nuclear power plant (KKM) will continue to perform its function without additional measures. New measurements of the fissures in two of the weld seams on the core shroud confirm ENSI’s previous assessment, and prove that the fissures do not penetrate the walls, and do not run all the way…

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