Hybrid Inverter. Main power and solar power go in, house power goes out.
No feeding of solar power to the grid so no permits.
You can add a battery if you want to reduce your reliance on the grid. Or use it with a battery but without solar panels as a whole house UPS.
>No feeding of solar power to the grid so no permits.
If it becomes popular the slimy solar farm developers and the utility will join hands to hire a lobbyist who will ensure the rules get changed to close the loophole.