Not sure on all the details. Maybe it's only certain power companies. I know this did apply to a relative who was a home-owner in a city that generated it's own

Not sure on all the details. Maybe it's only certain power companies. I know this did apply to a relative who was a home-owner in a city that generated it's own power, so maybe they have their own program different than normal. He was telling me about it when he looked into some of the fine print from solar salesman.