The way the regulatory and economic winds are blowing, renewables have become the new baseline generating capacity, with fast-spinup combined cycle natural gas as marginal capacity.  Renewables may be weather dependent, but it is hard to argue with a 20+ year lifespan, minimal maintenance, and, most importantly, zero marginal cost.<p>Nuclear and coal are starting to fade, with vastly more retirements than new construction, outside of the deep south for nuclear (because let&#x27;s do the opposite of the liberals) and coal producing states (because jobs).