Earth Elon Musk on Tesla Home Battery: Space-Based Solar Power is Unnecessary by Keri Kukral May 1, 2015 Leave a reply Spread the loveElon Musk lays out how much land surface area and battery volume is required to power the United States, and it’s smaller than it seems. Source – YouTube (VideoMisery – Elon Musk Debuts the Powerwall) Photo: Wikimedia Subscribe@Raw Science TV |Facebook@Raw Science |Twitter@RawScienceTV |YouTube@RawScience1 FacebookTwitterLinkedinRedditEmail