So a 10^x investment now in atomic power will continue to do that for 10 years until that has an effect. (You will not develop a cheap new reactor type and build it out at scale with less then 10 years)

A 10^x investment in solar & storage now will curb the need for 10^x being spend on fossile stuff over the next 10 years.

True. Tesla just installed a huge solar farm and battery pack near Las Vegas. It will be interesting to see the grid of the future. I think it would be a shame if mankind never harnessed the power of the atom though.