The problem with nuclear right now is that even if we decide to massively increase the share of nuclear power in the energy mix (in itself a very good idea), it will take a lot of time to build up the human technical capital necessary to plan, build, and operate these plants. This should have been started 5-10 years ago, and new graduates woukd be ready. Not to mention physical plant which also takes many years to finish. My worry is that once the energy crisis becomes completely obvious, with people shivering in blankets, govts will panic and push through emergency building plans, cutting all corners.