A post by @FirstSquawk on X.

The International Atomic Energy Agency reported that the Zaporizhzhia nuclear plant has been forced to rely on backup diesel generators to cool its reactors. The agency did not specify in the headline update how long the emergency power has been in use or what caused the loss of normal supply at the facility. The plant, Europe's largest nuclear power station, depends on continuous cooling to prevent overheating of reactor cores and spent fuel. The disclosure matters because extended reliance on diesel backups introduces a single point of failure if fuel deliveries or generator maintenance are disrupted. Watch for follow-up IAEA statements on the duration of the outage, fuel reserves on site, and whether external power lines are restored.