I got curious so I googled: https://blogs.ucl.ac.uk/energy/2015/05/21/fact-checking-elon-musks-blue-square-how-much-solar-to-power-the-us/ https://blogs.ucl.ac.

I got curious so I googled: https://blogs.ucl.ac.uk/energy/2015/05/21/fact-checking-elon-musks-blue-square-how-much-solar-to-power-the-us/ https://blogs.ucl.ac.uk/energy/2015/05/21/fact-checking-elon... Seems doable to be honest, even if you assume real-world inefficiencies and double or triple the area required. Especially when you fold it into existing infrastructure (eg solar panels on buildings).