Most charging, in the context of consumer electric light vehicles, takes place at home overnight. Fast charging is usually reserved for travel outside of the round trip range of home, as the average US daily commute is ~40 miles.

Fast charging is more expensive than residential charging because of the infrastructure and distribution costs to deliver ~300kw of power continuously for 10-25 minutes; on site battery storage can mitigate some of this cost (“peak shaving”).

(I charge at home, but have fast charged 100k+ miles across the US on Superchargers on an older Model S)