[KarlKemp]

3.5 % per 1,000 km, according to https://en.wikipedia.org/wiki/High-voltage_direct_current, which comes out to around 10 %.

[munch117]

14% (1,035^3,8)

[tuatoru]

Delivered power is 0.965^3.8 of input power, 87.3%, so 12.7% loss.

Using the 3.5% per 1000 km factor. Plus, of course, conversion and voltage stepping losses at both ends.

[munch117]

Right.