Arizona Haze and NOx


Four Corners Power Plant is one of the largest coal-fired generating stations in the United States. The plant is located on Navajo land in Fruitland, New Mexico, about 25 miles west of Farmington. It is located to the west of the Grand Canyon and many other national parks. It was the first mine-mouth generation station to take advantage of the large deposits of sub-bituminous coal in the Four Corners region. The plant’s five units currently generate 2,040 megawatts. The U.S. Environmental Protection Agency announced a supplemental proposal to reduce emissions from the Four Corners Power Plant. The new proposal will reduce nitrogen oxides (NOx) emissions from approximately 45,000 tons per year to 5,800 tons per year, 3,200 tons less than EPA’s initial proposal. The proposal will also work to protect public health in the area by ensuring residents have cleaner air with fewer harmful pollutants. It will also reduce atmospheric haze and promote viability.


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