I'm just getting started in this any/all ideas would be helpful. I'm in northern IL and I will be trenching water lines in this spring. I've looked at numerous different waterers and I can't make up my mind. I'd like something I don't need to run power to, for heat in winter. Propane is expensive enough so I don't really want to water with that either. I've seen some solar/ground heat that claim to keep the water from freezing. Do these work well? Does anyone have one? I don't have any natural water source, creek, pond etc. I plan on have some cattle and a couple horses. Any ideas?