Yesterday I posted a chart showing a rough estimate of how much land area would be required by each State in order for that State to replace 100% of its Energy Demand (per DOE numbers).
I posted it at DailyKos, and on the LDK board for comments.
Apsmith of DailyKos makes a good point that there are generator losses, etc., which should be used to reduce the overall total energy required to be replaced, and China_s2 of Yahoo agrees, and points out a different set of data, which is based on retail electricity use, so should closely represent actual electricity delivered, as opposed to total Energy Input.
So, I copied over the old data to a new sheet, plugged in the new data, and came up with a rough estimate of the total land are required to replace 100% of US 2007 Electricity demand.
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