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As a quick estimate, HVDC is a capital investment of roughly $1.5 million/km (above ground, land based). The losses are supposed to be about 3% per 1000 km.

Nb41

by nb41 on Fri Jan 13th, 2012 at 12:26:25 PM EST
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Thanks. Losses much less than I would have guessed.  Almost immaterial in the context of the efficiencies a larger grid can facilitate.

Index of Frank's Diaries
by Frank Schnittger (mail Frankschnittger at hot male dotty communists) on Fri Jan 13th, 2012 at 12:47:04 PM EST
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