The title made me hope for a quite literal way to run your website: using some kind of energy harvesting (bicycle?) used to power a small computer with a web server.
This is an issue that is quite simple to solve. Many podcasters (espescially Joe Rogan) like to talk about being afraid of getting removed from a platform without having your own hosting set up.
Most of the controversial big names of youtube and other platforms can and should stay as independent as possible. Twitter and others’ aim is to lure as many people as possible to their platforms. Once you are big enough you should probably seek out an independent way to distribute content.