Here in Appalachia in the state that is the greatest net exporter of electricity in the US (and coincidentally, one of the biggest coal producers), my electricity runs $100/month and my natural gas (also in abundant quantities) is right about the same. So figure roughly $200/month all year long to cool/heat a ~3000 square foot home and a big-ass attached garage. Not complaining, since I work in the energy industry, and business is good
