First off,this does supply power to a new single family residence with all the goodies,from AC,waterpumps ,waterheater,electric cooking appliances and and general lighting and appliances.
33kw reflects code calcs using allowed demand factors.
Overhead would be both ugly and likely not that much less money than underground.
Even going 480 resulted in a feeder of 2 #3/0 CU to keep voltage drop within the 3%
