Question for the Sparkies - Interlock Backfeed Between Panels???

[mm08822]

Since this is all on one meter why does it have to be any different than a typical 400 amp service with two 200 amp panels? I had a generator installed in my last house. I don't know the specifics of what components they used but the end result was all the critical circuits were moved to panel 1 and it was powered by the generator. If capacity was available from the generator power was also available to panel 2. There was just no guarantee on how much of panel 2 could be used when on generator power. All switches and disconnects were automatic with standard Generac components. Absolutely no manual intervention during a power outage.

Edit:
Woops. I skipped over the bolded sentences. If panel 2 was fed through its own transfer switch, which was interlocked through xfer switch #1's load shed contacts, that could easily be done.

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It could have been. If it were a single family residence, then I'm sure it would have been done that way.

However, it is a duplex and typically each entity has its own service and meter. I'm guessing the OP has them seperated now to easily convert into 2 metered POCO accounts in his future or ready for a new property owner to do so. For now, he doesn't want to pay POCO for 2 accounts.