CPS Energy

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CPS Energy is a gas and electricity utility which is owned by the City of San Antonio.

On its website CPS states that "coal satisfies more than 41 percent of Greater San Antonio’s electrical energy use, followed by nuclear energy at 36 percent. Natural gas makes up about 17 percent of CPS Energy’s fuel generation mix. Finally, our renewable energy capacity, which includes wind as well as endeavors in solar power projects and landfill-generated methane gas, is equal to 11 percent of our customers’ peak electrical demand."[1]

Existing Coal Plants

Plant State Year(s) Built Capacity
J.K. Spruce Power Plant TX 1992 566 MW
J.T. Deely Station TX 1977, 1978 932 MW

San Antonio coal plant to be 1st in Texas to close

In June 2011 CPS Energy announced that its San Antonio based J.T. Deely Station would be shut down in 2018. The coal-fired power plant that supplied electricity in San Antonio since the 1970s. The CPS Deely plant is the first publically-owned coal plant announced to retire in Texas.

According to the president of CPS Energy, Doyle Beneby, their plans will cut emissions of sulfur dioxides by 85%, nitrus oxide by 30%, carbon dioxides by 25%, and mercury by 58% by the time the plant closes.

"Closing Deely coal plant and transitioning to a clean energy economy will be a tremendous benefit for San Antonio," according to a joint news release released by the Sierra Club, SEED Coalition, and Public Citizen.[2]

Proposed Coal Plants

CPS states that it is "in the process of building Unit 2 of the Spruce plant" (Spruce Unit 2) which is "scheduled to be on line by 2010, producing another 750 megawatts of power for San Antonio."[3]

Contact Details

CPS Energy
P.O. Box 1771
San Antonio, TX 78296
Phone: (800) 870-1006
Website: http://www.cpsenergy.com/index.asp

Articles and Resources


  1. "Who We Are", CPS Energy website, accessed February 2009.
  2. "San Antonio to Shutter Coal Plant" Daniel Reese, June 20, 2011.
  3. CPS Energy, "Coal Generation", CPS Energy website, accessed February 2009.

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