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Fukushima nuclear plant operator restarts reactor at another plant, reviving safety concerns

TEPCO restarted one reactor at Japan's largest nuclear plant to reduce fossil fuel imports and support carbon neutrality goals despite 60% local opposition, officials said.

  • Tokyo Electric Power Company restarted Reactor No.6 at Kashiwazaki-Kariwa on Wednesday at 7:02 p.m., beginning a gradual ramp-up of its 1.36 GW unit.
  • Japan is shifting its energy policy toward restarting reactors to strengthen energy security and reduce costly fossil-fuel imports, aiming for nuclear to supply around a fifth of electricity by 2040 under a plan backed by Prime Minister Sanae Takaichi and a state funding scheme.
  • An alarm system and control-rod operation monitors were checked early Wednesday after a setting error caused a delay, with control rods suspended at 12:28 a.m., but the plant remains stable.
  • Seven citizen groups filed a petition with nearly 40,000 signatures saying the plant sits on an active seismic fault and evacuation concerns, while local residents in Kariwa/Niigata remain sharply divided as Hideyo Hanazumi approved the restart last month and TEPCO pledged careful verification.
  • Nearly fifteen years after the Fukushima disaster, TEPCO President Tomoaki Kobayakawa said `Safety is an ongoing process, which means operators involved in nuclear power must never be arrogant or overconfident` amid ongoing industry scandals and safety upgrades.
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194 Articles

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One day after they started work on reactor 6 at Japan's largest power station, an alarm forced them to be stopped.

Lean Left

Operation had to be interrupted due to a malfunction of the alarm system.

kreiszeitung.dekreiszeitung.de
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Center

In Japan, the first nuclear power plant since the Fukushima disaster is supposed to be connected to the grid.

TechXploreTechXplore
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Center

Japan suspends restart of world's biggest nuclear plant

The restart of the world's largest nuclear power plant was suspended in Japan Thursday just hours after the process began, its operator said, but the reactor remains "stable."

Center

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読売新聞オンライン broke the news in Japan on Monday, January 19, 2026.
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