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Actually I am not sure their calculation works.

They have 49,400 square km of suitable area, and want to build 1190 GW of capacity on that. That's by my calculations 24 MW / km^2. Which would produce some 8 MW on average per km^2.

I have seen one study using general circulation modelling, showing that you cannot efficiently extract more than 1 MW for every km^2. So there's a discrepancy of 8x.

Now of course if the suitable areas don't form big blocks but disconnected patches and strips, it won't be that bad.

Perhaps not yet give up on offshore ;-)

by mustakissa on Wed Jun 12th, 2013 at 01:42:49 PM EST
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