[leonidasrup]

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...

[LargoLasskhyfv]

Your link has 100 to 500$ per kg to LEO for Starship as target.

How much is one mile of HVDC?

Err, and where? Chinese HVDC? Canadian? US? Yurop?

Think of all the needed metal and area vs. a few fields of 'rectennas' to reinject the beamed down microwaves as energy into the already existing grid?