Isn't BC too far away from California? I show it as being 1200 km as the crow flies from Vancouver to Sacramento. I seem to recall something about transmissions over distances getting hard as you increase the distance. Perhaps even a geometric progression; so if LA wanted a 100 kilovolt line BC would have to send 1000 kilovolts for it to make it there as 100 kilovolts.
I could easily be wrong, or over simplifying the problem.
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