How many of these own paid off homes? That makes a big difference.

EVtopia just sounds like an electric car website to me

I dunno about Lemmy, but there are some lightweight Mastodon-compatible servers under development on GitHub.

Also, I saw some tests from a Mastodon admin that showed huge decrease in server power by simply decreasing the retention time for cached media from the default. I forget the numbers, but I remember being shocked by them.

Is there any way to use it offline? My data cuts out when inside the supermarket, which has frustrated me with other web-reliant shopping list solutions

There is an EXCELLENT physics text book freely available that focuses on the physics of energy sources: https://escholarship.org/uc/item/9js5291m

It’s by Tom Murphy of “Do the Math” fame. Basically, unlimited perpetual growth runs afoul of basic physical limitations in shockingly short timeframes.