For what it's worth, your suggestion is very similar to the way that electricity is sold where I live - I pay separate prices for electricity generation (where

For what it's worth, your suggestion is very similar to the way that electricity is sold where I live - I pay separate prices for electricity generation (where I can choose) and electricity delivery (where I cannot choose). I'm not going to pretend to know all the pros/cons, but it is reliable and cheaper than average.