I hope I am wrong on that, but this is exactly one of the two largely unaddressed problems for a complete change to an EV fleet in countries like Germany. 1) Do you have enough power delivery available, especially with the push to electric heat-pump based heating. That seems to be a serious problem, I heard from some people that they are not allowed to connect their heat-pumps, even in newly constructed areas! Solvable, with political will, but I don't see the will. 2) Where will people charge who park on the streets. It seems there are technical solutions (electrified curbstones), but again, political will to change much infrastructure is required.
Yep, and even if you have 3 phases and a large main fuse, the issue remains when you sum all the power needed on a same street in a city.
And I apologize if I seemed to improperly generalize.