I'm not convinced nuclear is safe enough. Say new nuclear it is 2x safer than previous designs on average, and we spin up 4x more nuclear plants, well you can see where this goes.

Plus, such a concentrated power source is going to invite a terrorist attack by something like drones, which can't be effectively defended against. An attack that looks like this:

https://en.wikipedia.org/wiki/2019_Abqaiq%E2%80%93Khurais_at....