There’s a nice proof of concept here, a small cheap low power internet server, replicated around the world and installed on rooftops, so web requests are always served by the in-sunlight one, or one with enough battery charge to respond. From the user perspective, it’s just always-on.
Solar Protocol “A Naturally Intelligent Network”
Code is still in development. This work is open-source and shared on Github.
I like the way the limited resources make for a lightweight web page.