Right now in the Georgia, it's cheaper to to build and operate new solar farms than it is to run the coal plants that already exist. But the solar panel factory building those cheap solar panels is not what actually changes a society's energy infrastructure - that's going to take massive political mobilization to bankrupt the coal companies, to make sure the workers in the mines have pensions secured and jobs to move to that pay as well, and to break the cartel of these fossil fuel investor-owned utilities refusing to make change - and to instead impose a better system.