If you want to look into it more, that situation is usually called a post-scarcity economy[1]. It's talked about and depicted in a few fictionalized places, including Star Trek.

[1] - https://en.wikipedia.org/wiki/Post-scarcity_economy

in Star Trek: the Federation has unlimited energy and the ability to replicate most forms of matter

but human(oid) intelligence is still scarce, and they don't have AGI (other than Data)

there is however a society that has no need for humanoid intelligence, and that's the Dominion

and I suspect that is what our society would turn into if AGI is invented (and not the Federation)

But who would own the automatons and power generators, and what would be their impetus to share their power? Unless the means of (energy) production moved out of the hands of the few it seems like it wouldn't make the rest of our lives any more idyllic.

Yeah it's true. When I donate/help I always feel this "mine". I believe in merit, you know, effort in effort out. It's nice to help people but there are also too many... and bad actors. So idk if it'll ever happen or just for select few anyway.

I almost regret being at this phase of life where we are aware of what's possible but we most likely not see it in our lifetime. This AGI talk, colonization of space, etc... but can strive towards it/have fun trying in the meantime.