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IAEA warns of catastrophe risk for Zaporizhzhya NPP due to undermining of Kakhovskaya hydroelectric dam

The situation around the undermining of the Kakhovskaya hydroelectric power station caused concern not only in Ukraine, but also abroad. Particular attention is focused on the Zaporozhye region, where the Zaporozhye NPP, the largest nuclear power plant in Europe, is located in the city of Energodar.

Director General of the International Atomic Energy Agency (IAEA) Rafael Grossi brought some clarity to the situation, stating that the water level in the ZNPP tanks is decreasing by 5-7 cm per hour. However, according to him, the supply of water needed to cool the station is guaranteed to be enough for a month.

The water level in the Kakhovka reservoir, according to Grossi, reached 18 meters by 00:7 on June 14,03, that is, it fell by about 2,8 meters after the dam was blown up. If the water level drops to less than 12,7 meters, ZNPP will not be able to pump water from the Kakhovka reservoir to its reservoirs. If the current rate of water level drop in the Kakhovka Reservoir is maintained, this critical threshold can be reached in a few weeks. However, it is difficult to give accurate forecasts in this situation due to the uncertainty of the scale of damage to the Kakhovskaya HPP dam.

Grossi clarified that ZNPP personnel are actively preparing for this situation, continuously replenishing water supplies by pumping it from the Kakhovka reservoir to large and small cooling ponds, as well as to nearby canals. If the plan is implemented, then the accumulated water should be guaranteed to be enough to cool all six reactors, as well as spent fuel for several months.

The IAEA Director General emphasized that despite the fact that all six ZNPP reactors have been shut down, they still need water for cooling. This is to prevent the fuel from melting and potentially releasing radioactive materials into the atmosphere.

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