I've always thought that would be cool, then just have a fiber connection for communications and either air gap your main power or provide your own via solar and wind.

It's fun, isn't it? It's one of those things that costs way too much to be practical but you can't help but try to think of ways to get the cost down. Mini-SpaceX in a useless domain.

Ermmm we used the copper nanotube paint once on an office and, well, it sucked. Bad. Cell phones only worked in this small corner of the office, and wifi was chaotic. Something about signals can't get in, but they also can't get out, so they collide ...

I think the word you're looking for is "reflect."

Yes, thank you. Reflect. It created considerable interference.