An article at Forbes reports that coal increases health care costs by 19 to 45 cents a kwh. Oil increases the costs by 8 to 19 c/kwh, and natural gas by 1 to 2 c/kwh. Then there's the estimated cost of climate change, assuming we beat it. (Yes, I trust a near-unanimous group of subject matter experts. Heck, I bet those 97% would really like to be wrong, so we wouldn't need to do something about the issue.)
Summing up, I'd rather pay $168 a year for a connection, as opposed to paying an extra $1000/year for fossil fuel electricity. (5000 kwh * 20 cents/kwh). Actually, aren't we already paying that extra $1000/year in extra health care costs, property insurance, and natural disaster relief?