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TEPCO Press Tour Highlights Safety Before Niigata Vote on Kashiwazaki-Kariwa Unit 6 Restart

A decision is expected by December 22 following the governor’s signal of tolerance.

Overview

  • The Niigata prefectural assembly began deliberations in its final 2025 session, with a vote anticipated by December 22 on whether to authorize the restart.
  • TEPCO said it could bring the 1,356-megawatt reactor online as early as January if approval is secured, which would be its first restart since Fukushima and would add about 2% to Tokyo-region supply.
  • During a media tour, the utility conducted loss-of-power cooling drills using reservoir water and detailed hydrogen-mitigation equipment and new biometric access controls.
  • Keidanren chairman Yoshinobu Tsutsui inspected the plant and said multiple systems and countermeasures reflect lessons learned from the 2011 disaster.
  • Local opinion remains divided as residents and some officials point to evacuation capability and trust in TEPCO as ongoing concerns.