> Who is Japan interconnecting with, or any other country that doesn't trust its neighbors? What is Canada supposed to do when it's ~6000 km from the equator and might not want to rely on the US for electricity regardless?
With space. By space-based solar power instead of HVDC.
I would really love to see your per kwh costs estimates. It currently costs about ~$2,700 to launch 1 kg of mass into orbit.
https://spacenexus.us/guide/space-launch-cost-comparison
https://en.wikipedia.org/wiki/Space-based_solar_power#Launch...