Otherwise it's completely unfair to other technologies that don't yield similar environmental and social impact when they fail catastrophically.
Even Fukushima was quite clean and it was a total compounded disaster... Three Miles Island is ancient already and limited in impact.
Anything else?
I can look and find examples of improper dust and ash disposal, mining accidents, incorrect filter operations daily, on the other hand. Sometimes fatalities too, every some years.
I'm not sure how to implement this, especially in a way that's fair, but if the company is unable to cover the environmental damage itself I think those profits out to be paying for the damage before taxpayers.
US healthcare is a great example of insurance companies causing so much complexity that people willingly chose death over going bankrupt.
For the proper incentive structure, you have to treat the money the way we treat all proceeds of crime - it's forfeit. If you buy a stolen bike, you don't get to keep it when the police come knocking. Ignorance of the crime doesn't earn you the item - it simply means you don't go to jail.
Of course the CEO won't go to prison, as he has too much power for that.