Wind, solar, gas or nuclear power is far cheaper when you include externalities. See:
http://www.theatlantic.com/business/archive/2015/08/coals-externalities-medical-air-quality-financial-environmental/401075/ QUOTE: [Researchers] estimated that the sum total of coal’s externalities amounted to between 9.42 cents and 26.89 cents per kilowatt-hour. Their best guess put it at 17.84 cents. The United States’ dependence on coal cost the public “a third to over one-half of a trillion dollars annually,” they wrote. - Jed
