There's a more-obvious #explanation, not relying on #racism: the dams and turbines and generators go where the water and the height delta happen to be, in the north, because you cannot generate power otherwise, and the electricity is delivered to the #population centers, where the demand happens to be, because it's people that need power.
Should they build hydro plants in Winnipeg and transmit the power to Misipawistik First Nation instead?