Electricity resources aren't limited; electricity gets cheaper when you install more solar panels, not more expensive. That will continue to be the case for the next three orders of magnitude of marketed energy consumption growth.
Some of my older notes on the topic are listed in https://dercuano.github.io/topics/energy.html, and there are further notes in Derctuo and Dernocua. Unfortunately I don't have a very clear summary anywhere.
I actually stayed at Arcosanti for a few days in college. Very cool concept that I wish had more traction. Maybe with a touch of what people are ready for today.
