Here in VA, they try to charge us $100 fee if we don't use enough propane! We heat mostly with the wood stove. Our main cost for that is labor and gas to run the saw. We like to have a couple back up options. Hence propane and electric.Here in CA we don't use oil furnaces much. Since we normally do not go below 27F in the winter, -5F mini splits work at nearly 100% efficiency.
A couple of weeks ago pge notified us that natural gas was going to be even higher this year. People had six hundred plus monthly bills last winter while keeping the house below 65F.
Electric rates will go up too but they do not go up as much as natural gas will.