[anonuser123456]

2.5% loss per 1000km.

1.45$/w for commercial install

2.95$/w for residential install.

That doesn’t include management economies of scale.

Big chunks of the US can’t do solar in the winter, so you need long range transmission anyway.

[fbdab103]

As a point of reference, it is about 4000 km from LA to New York. Assuming a linear drop-off (probably not true, but close enough), you would only lose 10% crossing the country.

Solar panels might be decreasing in cost 10% annually, so over-building to accommodate that seems entirely feasible.