Events

ENSI subsumes events and findings under the term incidents. Both incidents with implications for nuclear safety (art. 21 para. 1 NEO and art. 38 para. 3 let. a and c NEO) as well as incidents of public interest (Art. 38 para. 3 let. b NEO) must be reported. The latter includes incidents on the site of the nuclear plant that are perceptible from outside of the plant regardless of whether they are significant in terms of nuclear safety.

Events in Swiss Nuclear Power Plants

A faulty resistor on an electronic card led to the failure of a module in the turbine control system. As a result, the control dampers on the low pressure turbines closed slowly. According to its design, the plant reacted by shutting down the turbines and automatically reducing the reactor power to 67% by inserting control […]

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