Drone / missile attack

Nuclear Power Plant

Kursk NPP — reported drone strike damages auxiliary transformer

24 August 2025

Kurchatov, Kursk Oblast, Russia

51.6800, 35.6100

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No radiological release

What happened

Kursk NPP's press service said a drone detonated after being intercepted, damaging an auxiliary transformer and starting a fire that was quickly extinguished. The plant reported no injuries, normal radiation readings and an approximately 50% reduction in output at the operating unit. The IAEA said it was aware of reports that military activity caused the transformer fire but had not independently confirmed them, so the strike and attribution remain recorded as reported rather than documented fact.

When cited sources give different casualty, damage or spill figures for this event, they’re reported side by side above rather than merged into one number. See how confidence levels work.

Evidence
Reported / attributed
Confidence
Moderate
Infrastructure
Nuclear Power Plant
Current temperature
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Latitude
51.6800°
Longitude
35.6100°

Attribution

Responsibility disputed Ukraine, according to Russian officials; not independently confirmed

Russia attributed the drone to Ukraine. Ukraine did not immediately comment, and the IAEA said it had not independently confirmed the reported cause.

Sources

  1. Russia says Ukraine has struck a nuclear power plant in the Kursk regionAssociated Press · Incident reporting