Comment by krisoft
> If regulations are the cost, name them and a solution.
That is a funny ask. Regulation doesnt have to be a single thing. It can very well be cost-overrun by a thousand paper cut. You can drown any project in endless paperwork, environmental and national security reviews. In fact unclear and contradictory requirements are much more conductive to drive costs up than a single Lets-make-nuclear-expensive-Act.
That being said if you need to pick a single thing (which is silly) then the “As Low As Reasonably Achievable” principle of radiation protection is a prime candidate. When you have a safety limit you can design a system to remain under it. When you are designing a sytem for the ALARA principle that in itself will blow your costs up.
You're getting downvoted, but you're correct. It's death by a thousand cuts, because ALARA forces radiation exposure-reduction expenditures to scale upward forever, despite the fact that radiation exposure from plants long ago reached levels far below those that result in any risk. There is no lower bound, so the regulators never stop reducing exposure further, raising costs further and further over time.
Under ALARA, nuclear literally isn't allowed to reduce market electric costs, because the requirements for reducing exposure scale to what keeps it competitive with other forms of production! If all other electric costs doubled tomorrow, the NRC would respond by raising the requirements for plants to reduce radiation exposure.
If that sounds insane, it's because it's insane. Our nuclear regulations are insane.