Carbon Power Plant, also known as Castle Gate Power Plant, was a relatively small, 190-MWe coal-fired power station in Utah, US, operated by PacifiCorp. Utah Power & Light constructed its Carbon Steam Generating Plant at Castle Gate in the mid 1950s.The Power To Make Good Things Happen; The History of Utah Power & Light Company by John S. McCormick; published 1990 by Utah Power & Light Company, page 121 Its units 1 and 2, rated at 75 and 113.6 MWe, were placed in service in 1954 and 1957. The plant was located at , about north of Helper, Utah, on the east bank of Price River.
The plant, at the time the oldest operational in Utah, was shut down on April 16, 2015, due to new restrictions on emissions of mercury compounds and was demolished in 2016.https://archive.sltrib.com/article.php?id=4626204&itype=CMSID/Coal-crush:-Iconic-Carbon Power-Plant-being-dismantled-this week.html
Environmental impact Summary + Toxic release inventory (in pounds)Values greater than 1,000 have been rounded to two significant digits. for 2010–2011. Pollutants released into: Air Water (Price River) Land Total on-site releases 2011Barium compounds660 99108,000108,759Lead compounds63.203,361.33,424.5Mercury compounds16.5042.258.7Hydrochloric acid322,0000 0 322,000Hydrogen fluoride91,7000 0 91,700 2010Barium compounds61474122,000122,688Lead compounds6904109.74178.7Mercury compounds11.2021.933.1Hydrochloric acid336,00000336,000Hydrogen fluoride86,5000086,500
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