These days we have lots of people with home office. There are appliances like refrigerators and home electronics which contribute to the domestic baseload. With battery buffering and higher production capacity you can flatten the generation peak and increase self-consumption, for the price of longer ROI.

On loss of power these inverters cut off within 20 ms or so. These are grid-tied, not insular (though with hacked firmware some of the models can be madeninsular-capable).

Which network setup do you use? Use a VPN tunnel with 1:1 NAT, route a subnet? Something else?