re: “he second option is some power companies are now offering Broadband over the electrical grid. these two will be the future soon. “
THIS tech, BPL, is dead.
A major utility next county over from me is going to it. The technogy is there utilities have been using their own system for quite some time now. When was the last time you saw a meter reader? https://www.kub.org/about/about-kub/kub-service-areas/century-ii/meter-modernization/broadband-services-public-forum I live in a rural county or area and even my meter is automatically read.