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Kashiwazaki-Kariwa

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Kashiwazaki-Kariwa is a Tepco nuclear power plant in Japan; reactor restart delayed after alarm glitch.

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The Kashiwazaki-Kariwa nuclear power plant, operated by Tokyo Electric Power Company (Tepco) in Niigata Prefecture, Japan, is a seven-unit complex and the largest nuclear power plant in the world. It is newsworthy because Tepco is attempting to restart reactors there for the first time since the 2011 Fukushima Daiichi nuclear disaster. The restart is seen as crucial for Tepco's business recovery amidst ongoing Fukushima clean-up efforts. Recently, the planned restart of Unit No. 6, originally scheduled for Tuesday, was delayed due to an alarm malfunction. This delay underscores the intense scrutiny and safety concerns surrounding Tepco's operations and the restart of nuclear power in Japan following the Fukushima incident. The plant's restart is significant as it represents a potential shift in Japan's energy policy and Tepco's future, but it also raises concerns about safety and public trust.
Last updated: April 4, 2026