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Ukraine's Zaporizhzhia nuclear plant loses external power 10th time since war began

A Russian serviceman patrols the territory of the Zaporizhzhia Nuclear Power Station in Energodar on May 1, 2022. (AFP Photo)
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A Russian serviceman patrols the territory of the Zaporizhzhia Nuclear Power Station in Energodar on May 1, 2022. (AFP Photo)
September 23, 2025 07:43 PM GMT+03:00

The Zaporizhzhia Nuclear Power Plant in Ukraine lost all external power sources for the 10th time since the start of the Russia-Ukraine war, according to International Atomic Energy Agency Director General Rafael Mariano Grossi.

Emergency generators at the facility have restored electricity to the plant, Grossi announced through the IAEA's social media account on X, the U.S.-based platform formerly known as Twitter.

Zaporizhzhia nuclear power plant, Ukraine, accessed on Aug. 14, 2025. (Photo via Wikimedia Commons)
Zaporizhzhia nuclear power plant, Ukraine, accessed on Aug. 14, 2025. (Photo via Wikimedia Commons)

IAEA teams investigate cause of latest power outage

The power outage heightens nuclear safety risks at Europe's largest nuclear facility, which has been under Russian control since March 2022. IAEA teams are investigating the cause of the latest incident, Grossi said.

The facility's six reactors have been in cold shutdown since Sep. 2022, but they still require power to operate critical safety and security systems. When external power is lost, the plant relies on emergency diesel generators as a backup.

Ukrainian recruits taking part in a training exercise at an undisclosed location in Zaporizhzhia region on Aug. 13, 2025. (Photo by Andriy Andriyenko/65th Mechanized Brigade of Ukrainian Armed Forces/AFP)
Ukrainian recruits taking part in a training exercise at an undisclosed location in Zaporizhzhia region on Aug. 13, 2025. (Photo by Andriy Andriyenko/65th Mechanized Brigade of Ukrainian Armed Forces/AFP)

Repeated disruptions raise nuclear safety concerns

The Zaporizhzhia plant, located in southeastern Ukraine, has faced repeated power disruptions throughout the conflict. External electricity is crucial for cooling nuclear fuel and maintaining safety systems, even when reactors are shut down.

The IAEA has maintained a permanent presence at the site since September 2022 to monitor safety conditions. Grossi has repeatedly warned that the plant faces constant nuclear safety risks due to military activities in the area.

Both Russia and Ukraine have accused each other of shelling near the facility, raising international concerns about a potential nuclear accident. The plant supplied about 20% of Ukraine's electricity before the war.

September 23, 2025 07:44 PM GMT+03:00
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