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Surface area needed to power the world with solar?

How much surface area would be needed to power the whole world with solar panels?

496,805 Square kilometers or 191,817.483 square miles

Just to give you an idea of what this would actually look like, take a look at the image below.

This info-graphic shows the cumulative surface area required to power the entire planet with solar in 2030 (678 quadrillion BTU), given that solar panels will have 20% operating efficiencies.  This includes all electrical consumption, down to machinery and transportation.

surface-area-required-to-power-the-world-with-solar-panels-alone_50290ab5851d6

Author: Harold Tan

I believe clean, renewable energy is key to the evolution of society as a whole. Solar powers our planet, why not harness it to power humanity? Let's power our homes, our work, and our vehicles with solar energy. It begins with raising awareness and encouraging those around us to go green.

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