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NeilBlanchard · 05-30-2018, 05:24 PM

I think your numbers are off. It will take 0.6% of the US land to power ALL the US:

https://www.good.is/infographics/sol...all-of-america

Here's the estimate to power the WORLD:

Total Surface Area Required to Fuel the World With Solar | bLAGI

191,817 square miles - to power all humans on earth. Just from solar.

Wind turbines are now often 8MW each - and they are more efficient the bigger they are.

Nobody is proposing to make hydrogen - that takes at least 3X as much energy.

05-30-2018, 05:24 PM	#1889 (permalink)
NeilBlanchard Master EcoModder Join Date: May 2008 Location: Maynard, MA Eaarth Posts: 7,907 Mica Blue - '05 Scion xA RS 2.0 Team Toyota 90 day: 42.48 mpg (US) Forest - '15 Nissan Leaf S Team Nissan 90 day: 156.46 mpg (US) Number 7 - '15 VW e-Golf SEL TEAM VW AUDI Group 90 day: 155.81 mpg (US) Thanks: 3,475 Thanked 2,950 Times in 1,844 Posts	I think your numbers are off. It will take 0.6% of the US land to power ALL the US: https://www.good.is/infographics/sol...all-of-america Here's the estimate to power the WORLD: Total Surface Area Required to Fuel the World With Solar \| bLAGI 191,817 square miles - to power all humans on earth. Just from solar. Wind turbines are now often 8MW each - and they are more efficient the bigger they are. Nobody is proposing to make hydrogen - that takes at least 3X as much energy. __________________ Sincerely, Neil http://neilblanchard.blogspot.com/