Do you mean commercial or residential?
The bigger problem is that they ARE paying retail to grid-tied systems even when there is a surplus.
This has resulted in me pulling back from a lifelong association with and some pretty big (for me) donations to the Sierra Club.
Anyway, it is obviously unsustainable and the utilities want to quit doing it.
Someone asked why the utilities wanted to do this and an older, leadership person said, “Because they are greedy and stupid.” I walked away from the Zoom meeting and haven’t been to another.