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TEPCO to Restart No. 6 Reactor Amid Delay

2/5/2026

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Story summary
  • Tokyo Electric Power Company Holdings Inc. (TEPCO) plans to restart the No. 6 reactor at Kashiwazaki-Kariwa in Niigata Prefecture next week.
  • The No. 6 reactor was halted after an alarm during control rod withdrawal on January 22, which TEPCO says was caused by a setup error.
  • TEPCO will submit a revised schedule to the Nuclear Regulation Authority, delaying the commercial operation start date from February 26.