You still have the problem of "night" with the solar plant. In the winter that is a significant part of the 24 hour cycle and also when there is considerable demand. The wind might be blowing or it might not. That means you need some traditional capacity to handle the load but that will be sitting idle when it is not needed. It is hard to amortize that investment if it is idle most of the time (the goal).
The idea that you are going to supplement this with home generators is simply ridiculous, from an economic or pollution standpoint. The most expensive power anyone has ever used came from a small genset. These small engines are also massive polluters. I know people who lived off their generators for extended periods after hurricanes and they call it "feeding the monster". A generator might be handy for a short (day or two) outage once or twice a year but if you are using it much more than that fuel costs and maintenance will easily double or triple your energy bill. Honda and Generac can never compete with FPL.
