Japan to restart world's largest nuclear power plant despite public opposition

DW
DW
5h ago
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Japan's Niigata assembly approved restarting a Kashiwazaki-Kariwa reactor, the world's largest nuclear plant, raising safety concerns among locals.
Japan to restart world's largest nuclear power plant despite public opposition
A What happened
After the 2011 Fukushima disaster, Japan shut down its nuclear reactors, including Kashiwazaki-Kariwa, the largest by capacity globally. On December 22, 2025, Niigata's local assembly authorized a bill for TEPCO to restart one of the seven reactors, with plans to restart another by 2030. This move supports Japan’s energy strategy to reduce reliance on imported fossil fuels amid rising costs. However, many locals remain wary, with around 60% doubting safety assurances and 70% expressing distrust toward TEPCO, reflecting deep-rooted apprehensions from the Fukushima crisis. The restart marks TEPCO's first plant operation resumption since Fukushima, highlighting tension between energy policy and public trust.

Key insights

  • 1

    Energy security pressures accelerate nuclear restarts: Rising fossil fuel costs and energy security concerns prompt Japan to re-engage nuclear power, marking a strategic pivot away from dependency on imports.

  • 2

    Public trust deficit hampers nuclear policy implementation: Persistent safety fears and distrust of TEPCO, linked to Fukushima, challenge Japan’s ability to restore nuclear power acceptance despite regulatory clearance.

  • 3

    Local governance plays critical role in national nuclear policy: Prefectural approval at Niigata underscores how subnational bodies influence nuclear restarts, balancing economic, safety, and social factors.

Takeaways

Japan’s decision to restart Kashiwazaki-Kariwa signals a cautious return to nuclear energy driven by economic and security imperatives but will require significant public engagement to address safety concerns.

Topics

World & Politics Policy & Regulation Climate & Environment Energy Governance

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