This isn’t really possible other than in a probabilistic sense, you can’t keep track of where particular electrons are in the grid.
In 2004 I was designing the data center for LucasFilm's CTO... CTO
And he asked me why I couldnt provide power-to-the-desktop via FIBER
In a really high profile mtg...
All I could do was look around the room from side-to-side....
This isn’t really possible other than in a probabilistic sense, you can’t keep track of where particular electrons are in the grid.