Jeff,
You're thinking of "Net Metering" laws which say that as a residential
electricity customer any excess electricity you generate can be fed back
into the grid. This basically turns your meter backward (and reduces
your bill). Even if you generated exactly as much electricity as you
used
Net metering is perhaps of interest to you.
As for becoming a generating station the remuneration isn't worthwhile
unless you have significant capacity.
Net metering, on the other hand, displaces power you are paying retail for
and the power company is replacing the battery bank. That makes it pe