Re: The Sunshine State
Yes, we can, and are. It has only been recently that it makes sense for the average homeowner, at least from a TCO perspective.
The cost of admission is very high ... but once installed, you can pull the meter and ignore the grid for the rest of your life.
I'm projecting my setup will have paid for itself in about ten years (guessing at PG&E rate increases). After that, it'll have another 20 years of life in it with one battery swap, and possibly another 15 or so after that with another battery swap.
My costs were lower than yours might be ... When I rebuilt this house, I made provisions for a solar plant on the roof, including wire. And I did the installation myself, minimizing labo(u)r costs.