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Supply curves for using powder river basin coal to reduce sulfur emissions
Supply curves were prepared for coal-fired power plants in the contiguous United States switching to Wyoming's Powder River Basin (PRB) low-sulfur coal. Up to 625 plants, representing (similar to)44% of the nameplate capacity of all coal-fired plants, could switch. If all switched, more than dollar 8.8 billion additional capital would be required and the cost of electricity would increase by up to dollar 5.9 billion per year, depending on levels of plant derating. Coal switching would result in sulfur dioxide (SO2) emissions reduction of 4.5 million t/yr. Increase in cost of electricity would be in the range of 0.31-0.73 cents per kilowatt-hour. Average cost of S emissions reduction could be as high as dollar 1298 per t of SO2. Up to 367 plants, or 59% of selected plants with 32% of 44% nameplate capacity, could have marginal cost in excess of dollar 1000 per t of SO 2. Up to 73 plants would appear to benefit from both a lowering of the annual cost and a lowering of SO2 emissions by switching to the PRB coal.
Supply curves for using powder river basin coal to reduce sulfur emissions
Supply curves were prepared for coal-fired power plants in the contiguous United States switching to Wyoming's Powder River Basin (PRB) low-sulfur coal. Up to 625 plants, representing (similar to)44% of the nameplate capacity of all coal-fired plants, could switch. If all switched, more than dollar 8.8 billion additional capital would be required and the cost of electricity would increase by up to dollar 5.9 billion per year, depending on levels of plant derating. Coal switching would result in sulfur dioxide (SO2) emissions reduction of 4.5 million t/yr. Increase in cost of electricity would be in the range of 0.31-0.73 cents per kilowatt-hour. Average cost of S emissions reduction could be as high as dollar 1298 per t of SO2. Up to 367 plants, or 59% of selected plants with 32% of 44% nameplate capacity, could have marginal cost in excess of dollar 1000 per t of SO 2. Up to 73 plants would appear to benefit from both a lowering of the annual cost and a lowering of SO2 emissions by switching to the PRB coal.
Supply curves for using powder river basin coal to reduce sulfur emissions
Malvadkar, Shreekant B. (author) / Smith, Dennis (author) / McGurl, Gilbert V. (author)
Journal of the Air and Waste Management Association ; 54 ; 741-749
2004
9 Seiten, 22 Quellen
Article (Journal)
English
Supply Curves for Using Powder River Basin Coal to Reduce Sulfur Emissions
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