When I worked for the power co in NY, the IPP (Independent Power Producers) get connected to the electric grid by way of an ATO (Automatic Throw Over). Same applied to Harry-The-Homeowner who had a generator feeding their house. As long as there is the slightest chance of back feed to the system, the ATO, or at least a manual disconnect, was required. That was a good thing because when we worked outages the last thing we wanted was some yahoo back feeding a circuit we were working on, and it makes sense for a whole lot of other reasons, too.
I like that any excess electric that I wouldn't use gets SOLD back to the power company- probably in the way of credits. Anyway, I got a call in to that solar company I mentioned in my op for a home evaluation. They come highly recommended and sound like a pretty solid outfit.
And yeah, I'll definitely let you know how this plays out.
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