Japan’s China Power Company announced on the 20th local time that in the evening of the same day, in the company’s operation of the Shimane Nuclear Power Plant Unit 2, a device used to monitor the hydrogen and oxygen concentration in the reactor containment in the event of a major accident and other conditions was found to be malfunctioning.
The safety of the nuclear power plant units has not been affected by the failure and has maintained normal operation. Unit 2 of the Shimane Nuclear Power Plant was restarted in December 2024.