As for what happens when 30 Teslas arrive at the ten spots. The video from Thanksgiving weekend in California is still on YouTube.
But if you plan ahead to expect miles long lineups and sleeping in your car awaiting your turn at recharging the next day it should be OK.
A friend works in the "Green Power" industry and has many stories of the ridiculous methods they use. Spending fifty million to develop fifty dollars worth of power is par for the course. Check how they actually dispose of the batteries and let us know if that will be an issue for the grandkids.
Then there is the safety issie of the cars themselves...
https://www.thedrive.com/news/28420/...ecall-in-sight