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IN BRIEF: What is known about Zaporozhye NPP external power loss and recovery

Specialists from the Zaporozhye Nuclear Power Plant, together with the grid operator, have restored the facility’s external power supply via the high-voltage 330 kV power supply line, known as Ferrosplavnaya-1

MELITOPOL, April 14. /TASS/. Specialists from the Zaporozhye Nuclear Power Plant (NPP) and the grid operator restored the facility’s external power supply via the high-voltage 330 kV power supply line, known as Ferrosplavnaya-1, which had previously been shut down by automatic protection, the press service reported on its Telegram.

TASS has compiled the main information about the incident.

External power supply loss

- The Zaporozhye Nuclear Power Plant's external power supply was cut off, the facility’s press service reported.

- As a result of automatic protection measures, the high-voltage 330 kV power supply line, known as Ferrosplavnaya-1, has been shut down.

- The 750 kV line, known as Dnepropetrovskaya, has been disconnected since March 24, 2026.

- The plant was temporarily powered by backup diesel generators.

- All of them have been started as per procedure and are operating normally.

Power loss impact

- The operational systems at the ZNPP were in a safe condition, and the radiation background at the facility was normal and did not exceed natural background levels, the press service emphasized.

External power supply recovery

- Specialists from the Zaporozhye Nuclear Power Plant, together with the grid operator, have restored the facility’s external power supply via the high-voltage 330 kV power supply line, known as Ferrosplavnaya-1, which had previously been shut down by automatic protection, the press service later reported.

- The supply of external power to the Zaporozhye NPP has been resumed at the required level, the statement noted.

Reaction

- The International Atomic Energy Agency (IAEA) is monitoring the situation regarding the loss of the Zaporozhye Nuclear Power Plant's external power supply.

- The organization added that it is engaging in talks with both Russia and Ukraine on establishing a local ceasefire.