J. T. Deely Power Plant

J. T. Deely Power Plant was a two unit, 871 megawatt (MW) coal power plant located southeast of San Antonio, in Bexar County, Texas near Calaveras Lake at the Calaveras Power Station. They were operated by CPS Energy and ran from 1977 to 2018.

J. T. Deely Power Plant
J.T. Deely Power Plant located at the Calveras Power Station in the center
CountryUnited States
LocationBexar County, near San Antonio, Texas
Coordinates29°18′27″N 98°19′21″W
StatusDecommissioned
Commission dateUnit 1: 1977
Unit 2: 1978
Decommission dateUnits 1–2: December 31, 2018
Owner(s)CPS Energy
Operator(s)CPS Energy
Thermal power station
Primary fuelCoal
Cooling sourceCalaveras Lake
Power generation
Nameplate capacity871 MW

History

The plant began commercial generation with Unit 1 in 1977 and Unit 2 in 1978.[1][2] Deely was constructed as a coal plant due to the economics and unreliability for natural gas at the time. The total cost to construct the two units was $236 million.[3] The construction of Deely included a 700 ft (210 m) smokestack.[4] The plant is named after former CPS General Manager, J. T. Deely.[5] CPS Energy commissioned in 2009 the installation of a selective catalytic reduction (SCR) system to Unit 2 to replace an electrostatic precipitator (ESP).[6]

Closure

In 2011, it was announced that J. T. Deely would be shut down in 2018 due to pending federal regulations. CPS Energy calculated that spending $3 billion to overhaul the plant to comply with environmental regulations outweighed the benefits.[1] CPS Energy reiterated in 2017 that the plant would still close in 2018 even with the changes in environmental policy from the Trump administration.[7] Deely ceased generation on December 31, 2018.[8]

See also

References
  1. O'Grady, Eileen (June 21, 2011). "CPS Energy to Shut Coal-Fired Plant in Texas, Turn to Renewables". inside climate news. Reuters. Retrieved January 4, 2019.
  2. Wood, Jim (July 6, 1977). "Coal cools S.A. homes". San Antonio Express-News. p. 3-A. Retrieved January 4, 2019 – via Newspapers.com.
  3. Scott, Rick (June 15, 1977). "Coal Power Changeover Due". The Brownsville Herald. Associated Press. p. 5A. Retrieved January 4, 2019 – via Newspapers.com.
  4. "700-foot chimney marks plant". San Antonio Express-News. February 15, 1975. p. 8-G. Retrieved January 4, 2019 – via Newspapers.com.
  5. "Power plant dedication, tours due". San Antonio Express. September 2, 1977. p. 7-B. Retrieved January 4, 2019 – via Newspapers.com.
  6. Siegfriedt, William E.; Carstens, Andrew J.; Perez, Jr., Gavino; Hufstetler, Lisa (April 1, 2013). "Project Planning Key to Smooth J.T. Deely 2 SCR Retrofit". POWER. Retrieved January 4, 2019.
  7. Druzin, Rye (March 28, 2017). "CPS Energy pursues clean energy plans despite Trump environmental order". San Antonio Express-News. Retrieved January 4, 2019.
  8. Acosta, Sarah (January 3, 2019). "CPS Energy closes coal-fired Deely plant in operation since '70s to focus on cleaner energy sources". KSAT-TV. Retrieved January 4, 2019.
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