The Risks of Russian Attacks near Ukraine Nuclear Power Plants « Antinuclear

These [Zaporizhzhia reactors] were designed in the Soviet Union, and they date as far back as the early 1980s. So they are past their expiration date, but the Ukrainians extended their licenses………..

The big danger in any nuclear reactor is that somehow cooling of the fuel is disrupted, because without enough cooling, the fuel will heat up to the point where it can destroy itself……    

In addition, these plants store their spent nuclear fuel on-site—and some of that fuel is stored in cooling water, which also has to be replenished with pumps………

In addition to a pipe break, you can have a loss of power, which is what affected Fukushima. These plants normally draw electricity from the grid to operate their systems, and if that’s interrupted, they have to rely on backup power with emergency diesel generators. …….

The Risks of Russian Attacks near Ukraine Nuclear Power Plants « Antinuclear