People generally have no idea that power can jump to $3/KWH (aka $3000/MWH).
The spot prices on the wholesale market fluctuate so much. If this were passed on, people would be installing batteries like mad, which would eventually reduce the problem and thus the value of the batteries. But realistically, I think among the upper 25%, major battery banks are going to become normal in new home builds, especially custom homes.
As the Romans said: private luxury, public squalor. That seems to be working its way through every system in the US.