Surface Area Needed to Power World with Solar

By Admin, December 21, 2013

Surface Area Needed to Power World with Solar

In reality, it’s not that much land mass. These are based on solar panels with 20% efficiency, and new technologies seem to be on the verge of 70% to 80% efficiency, so the foot print could grow even smaller. However, I’m not sure we have enough rare materials needed to make that many solar panels, yet.

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