Carbon Power Plant

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.^[1] Its units 1 and 2, rated at 75 and 113.6 MWe, were placed in service in 1954 and 1957.^[2] The plant was located at 39°43′38″N 110°51′51″W / 39.72722°N 110.86417°W / 39.72722; -110.86417, about 3 km (2 mi) 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^[3] and was demolished in 2016.^[4]

Environmental impact

Summary

Toxic release inventory (in pounds)^[5] for 2010–2011.^[6]
Pollutants released into:	Air	Water (Price River)	Land	Total on-site releases
2011
Barium compounds	660	99	108,000	108,759
Lead compounds	63.2	0	3,361.3	3,424.5
Mercury compounds	16.5	0	42.2	58.7
Hydrochloric acid	322,000	0	0	322,000
Hydrogen fluoride	91,700	0	0	91,700
2010
Barium compounds	614	74	122,000	122,688
Lead compounds	69	0	4109.7	4178.7
Mercury compounds	11.2	0	21.9	33.1
Hydrochloric acid	336,000	0	0	336,000
Hydrogen fluoride	86,500	0	0	86,500

References

^ 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
^ "Existing Electric Generating Units in the United States, 2006" (Excel). Energy Information Administration, U.S. Department of Energy. 2006. Retrieved 2008-07-14.
^ "End of an era: Mercury rule shutters Utah's oldest power plant". Deseret News. 14 April 2015.
^ https://archive.sltrib.com/article.php?id=4626204&itype=CMSID/Coal-crush:-Iconic-Carbon Power-Plant-being-dismantled-this week.html
^ Values greater than 1,000 have been rounded to two significant digits.
^ "Toxic Release Data from the Carbon Plant". Environment Protection Agency. 2012. Archived from the original on 2013-06-26. Retrieved 2013-05-03.

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[1] 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

[2] "Existing Electric Generating Units in the United States, 2006" (Excel). Energy Information Administration, U.S. Department of Energy. 2006. Retrieved 2008-07-14.

[3] "End of an era: Mercury rule shutters Utah's oldest power plant". Deseret News. 14 April 2015.

[4] ttps://archive.sltrib.com/article.php?id=4626204&itype=CMSID/Coal-crush:-Iconic-Carbon Power-Plant-being-dismantled-this week.html

[5] Values greater than 1,000 have been rounded to two significant digits.

[6] "Toxic Release Data from the Carbon Plant". Environment Protection Agency. 2012. Archived from the original on 2013-06-26. Retrieved 2013-05-03.

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