See: The demise of coal-fired power plants
http://www.washingtonpost.com/business/economy/the-demise-of-coal-fired-power-plants/2012/11/21/e7ca1e6e-fdda-11e1-b153-218509a954e1_story.html QUOTE: "As of July, companies had announced plans to close down 30 gigawatts of coal-fired plants, or about 10 percent of the nation’s total coal plant capacity, by 2016, according toa study by the Brattle Group, a consulting firm. These aren’t models of efficiency; the EIA says that the average coal-fired generator to be retired this year is 56 years old." - Jed
