To even get basic functionality, you need the contactor to engage to connect the battery to the DC pins on the connector. That will require a software change by Ford
I have a 6kw solaredge system w/40a ev charger. 15x400 watt panels. I charge at night on utility power at cheapest rate and sell excess power back to utility during day. So far I haven't paid an electric bill since Feb when it was installed and have a credit to cover the winter months with less...
There is no V2G vehicle to grid option for the Lightning. Fords software is proprietary and there aren't any 3rd party systems that can function with the lightnings battery. Fords own HIS barely works for most people