Florida Power and Light lobbyists made it illegal to use solar during outages

Hybrid Inverter or “Multi Mode Inverter”(as I discussed previously)
Here is the NEC diagram on how to legally connect them

See:
https://solar.schneider-electric.com/product/conext-sw/
http://www.outbackpower.com/outback-products/make-the-power/grid-interactive-inverter-chargers

When I referenced a “hybrid” inverter, I was referencing the exact type of system you just linked.
I also have mentioned a specific product, the SMA Sunny Island, which can be used for essentially the same application.