I do get a credit for excess kWh generation, and that pays about 75% of my connect charge for the year.
You can probably invest your money better somewhere else, rather than in extra PV to offset that $10/month or whatever fee.
I'm only credited the wholesale rate about $0.025/kWh for my net production.
Meanwhile, PG&E has contracted to pay the wholesale rate of about $0.10/kWh for power from a new PV plant.
Batteries aren't the answer, at least not at the prices available so far. Their cost is 2x to 10x what PV costs. You're better off pushing extra power into the grid and using that in place of a battery, even if you have to deliver 3 kWh off-peak to get back 1 kWh on-peak.
My grid-backup system has excess PV capacity (I consume credits with electric heating in the winter rather than burning gas.) It has a minimal battery, just enough for one night if grid fails. During the day battery recharges and excess PV runs all household loads.