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Kashiwazaki-Kariwa Reactor Halts Operations Hours After Restart

1/28/2026

25 4 Full Breakdown

Summary

Story summary

On January 21, 2026, the Kashiwazaki-Kariwa nuclear power station reactivated its Number Six reactor for the first time since 2011.
The reactor shut down within six hours after an alarm related to control rod removal halted operations.
Tokyo Electric Power Company Holdings (TEPCO) said there were no safety issues or radiation leaks identified during the restart.
All nuclear reactors in Japan were closed in 2011 after the Fukushima disaster.

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Story summary

On January 21, 2026, the Kashiwazaki-Kariwa nuclear power station reactivated its Number Six reactor for the first time since 2011.
The reactor shut down within six hours after an alarm related to control rod removal halted operations.
Tokyo Electric Power Company Holdings (TEPCO) said there were no safety issues or radiation leaks identified during the restart.
All nuclear reactors in Japan were closed in 2011 after the Fukushima disaster.