Medium blew up on me whilst I was trying to reply here, sorry there was an initial nonsensical "Jopa"!

John, yes the end game would be to have all energy represented by money, and I guess money could be mathematically signed, if required, to show where it came from, solar or otherwise.

Money is the mechanism that transports the Joules most of us need for our bodies, around a hundred Joules per second, 24/7 minimum.

Hence why I see it as carrying out the same function as nutrients - transporting Joules from A to B. As an Engineer, I view this as a kind of fuel flow, in a huge machine, everyone glows brightest when they have adequate energy supply, ideally unconditional, so they are free to choose what to do in life, and thus glow brightest. Admittedly this is just a vision, but it is one created by filling in all the existing surrounding systems, working out what they do, to see what we could potentially do. To me this is inevitable, our future as an advanced intelligent species, is to begin living from the energy of the environment of our mother host, rather than the energy of she herself (Earth)