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Zaporizhzhia Nuclear Plant Restores External Power, Shuts Diesel Generators

All six units remain in cold shutdown under Russian administration.

Overview

  • At 13:00 local time on October 23, the plant shifted its internal needs to block transformers after repairs to the Dneprovskaya 750 kV line.
  • Diesel generators that powered essential systems for roughly 30 days were switched off and placed in reserve.
  • The plant’s press service reported the external line repair as complete, with Russian officials attributing the September 23 damage to a Ukrainian strike.
  • Repair work began on October 18 following security consultations that the Russian Foreign Ministry said yielded guarantees from Kyiv.
  • Generation has been halted since September 2022, the site has been in cold shutdown since April 2024, and a separate reserve line named Ferrosplavnaya‑1 has been out since May 7.