Oh with the sun, there is enough energy in space and in the moon (at daytime). You "just" have to focus and redirect it.
And store it for the long nights.
I could see a couple ways out of storing it. Either don't do anything when it's dark, or collect the energy on the other side (or from orbit) and transmit it to the dark side.
"I could see a couple ways out of storing it. "
Sure, me too.
Also for here on earth.
> I mean if you have enough energy, you can do anything starting with just rocks.
How would you turn those rocks into gold?
Smash them together, but like, really fast.
Helps if you go to the asteroids instead of the moon.
16 Psyche has tons of the stuff just lying around.