> Too late. If you start planning nuclear plants now, they'll take 10 years to build.
Probably more unless you build Gen IIs: because of the ongoing popularity of Gen IIs manufacturers have very little experience building their Gen IIIs (and the building processes have not been de-kinked yet) and Gen IVs are still years away from design completion to say nothing of actually building them.
Probably more unless you build Gen IIs: because of the ongoing popularity of Gen IIs manufacturers have very little experience building their Gen IIIs (and the building processes have not been de-kinked yet) and Gen IVs are still years away from design completion to say nothing of actually building them.