But still after +4 years of war, with extensive targeting of Ukrainian civilians, the nuclear power plants stand while the plants using gas etc. are bombed daily. They are simply too dangerous of a target. Russia enjoys using Zaporizhzhia power plant for some brinkmanship once in a while, but they are well aware of the risk and everything has turned out fine so far.
If Ukraine didn't have nuclear energy they would be blacked out now.
Zaporizhzhia nuclear power plant hasn't been bombed because (1) the Russians control it right now (it's behind their lines) so why would they, and (2) the Ukranians live downwind so why would they?
Russia has bombed the switchyards and trandformers of other NPPs though.