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Yes, but you also have to factor in the incremental capital cost of the transmission network required, and the costs of transmission loss.  Anyone know a simple formula for calculating transmission loss as a function of transmission distance for a given voltage? At one point does it become uneconomic to transmit solar energy over long distances?  Does it make sense to transmit solar energy not just South/North for increased yields, but also East West for increased daylight window?

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by Frank Schnittger (mail Frankschnittger at hot male dotty communists) on Fri Jan 13th, 2012 at 12:19:00 PM EST
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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.

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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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