Blasts shake Russian-held Zaporizhzhia nuclear power plant in southern Ukraine


Ukraine’s Zaporizhzhia nuclear power plant, which is under Russian control, was rocked by shelling on Sunday, drawing condemnation from the UN nuclear watchdog, which said such attacks risked a major nuclear disaster.

More than a dozen blasts shook Europe’s biggest nuclear power plant on Saturday evening and Sunday, the International Atomic Energy Agency (IAEA) said. Moscow and Kyiv both blamed the other for the shelling of the facility.

“The news from our team yesterday and this morning is extremely disturbing,” said Rafael Grossi, head of the IAEA, whose team on the ground said there had been damage to some buildings, systems and equipment at the plant.

“Explosions occurred at the site of this major nuclear power plant, which is completely unacceptable. Whoever is behind this, it must stop immediately. As I have said many times before, you’re playing with fire!”

Repeated shelling of the plant in southern Ukraine, which Russia took control of shortly after its February invasion, has raised concern about the potential for a grave accident just 500 kilometres from the site of the world’s worst nuclear accident, the 1986 Chornobyl disaster.

The Zaporizhzhia nuclear power plant provided about a fifth of Ukraine’s electricity before Russia’s Feb. 24 invasion, and has been forced to operate on backup generators a number of times. It has six Soviet-designed VVER-1000 V-320 water-cooled and water-moderated reactors containing Uranium 235.

Risk of overheating

The reactors are shut down but there is a risk that nuclear fuel could overheat if the power that drives the cooling systems was cut. Shelling has repeatedly cut power lines.

Both Kyiv and Moscow have accused each other of attacking the plant on several occasions during the conflict and risking a nuclear accident, and they again exchanged blame on Sunday.

Russia’s Defence Ministry said Ukraine fired shells at power lines supplying the plant, while TASS reported some of the site’s storage facilities had been hit by Ukrainian shelling, quoting an official from Russian nuclear power operator Rosenergoatom.

“They shelled not only yesterday, but also today, they are shelling right now,” said Renat Karchaa, an adviser to Rosenergoatom’s CEO, adding that any artillery attack at the site posed a threat to nuclear safety.

No radioactive emissions detected

Karchaa said the shells had been fired near a dry nuclear waste storage facility and a building that houses fresh spent nuclear fuel, but that no radioactive emissions had currently been detected, according to TASS.

Ukraine’s nuclear energy firm Energoatom accused the Russian military of shelling the site and said there were at least 12 hits on plant infrastructure.

It said that Russia had targeted the infrastructure necessary to restart parts of the plant in an attempt to further limit Ukraine’s power supply.



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