Nuclear is expensive largely due how it's financed and because investors expect their investments profitable sooner rather that later (see LCOE). So it's mostly

Nuclear is expensive largely due how it's financed and because investors expect their investments profitable sooner rather that later (see LCOE). So it's mostly the cost of capital. When you account for for 60-80 (or 100) year lifespan nuclear power is actually quite cheap. So maybe the solution is using retirement funds towards funding nuclear power, expecting low capital but huge environmental gains?