There are clearly solar systems installed in Florida that are both grid-connected and capable of operating as backup power when the grid is down (see partway do

There are clearly solar systems installed in Florida that are both grid-connected and capable of operating as backup power when the grid is down (see partway down the page) - http://pureenergysolar.com/residential_solar_installation.html http://pureenergysolar.com/residential_solar_installation.ht...