On Friday, 29 June 2018 16:22:22 UTC+2, Gary Harnagel wrote:

And they can use solar, wind or nuclear power to supply the needed energy.

Who is "they?" The 0.1% have no need of anything.
In a few short years "they" will own the entire galaxy.
They will have become gods in their own eyes.
For no others will survive to worship them.