Comanche Peak Nuclear Power Plant is located in Somervell County, Texas. The nuclear power plant is located 40 miles (64 km) southwest of Ft. Worth and about 60 miles (97 km) southwest of Dallas. It relies on nearby Squaw Creek Reservoir for cooling water. The plant has about 1,300 employees and is operated by Luminant Generation, a subsidiary of Vistra Energy.

Construction of the two Westinghouse pressurized water reactors began in 1974. Unit 1, originally rated at 1,084 MWe, came online on April 17, 1990. Its current, 40-year operating license is valid until February 8, 2030. Unit 2, 1,124 MWe, followed on April 6, 1993 and is licensed to operate until February 2, 2033 when it has to renew its license. As of 2018 Unit 2 was the third-to-last power reactor to come online in the United States, followed only by Units 1 and 2 of Watts Bar Nuclear Generating Station.

In June 2008, the U.S. Nuclear Regulatory Commission (NRC) approved a request to increase the generating capacity of Units 1 and 2 by approximately 4.5% each. Luminant Generation Co. implemented the changes during refueling outages. Unit 1 was uprated in autumn 2008 with a capacity increase of approximately 1,210 to 1,259 MWe and Unit 2, the capacity of which rose from an estimated 1,208 to 1,245 MWe, was uprated in autumn 2009.

Comanche Peak Nuclear Power Plant

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The Valve Agency

Location: Glen Rose, TX (40 miles SW of Fort Worth, TX) in Region IV 
Operator: Luminant Generation Co., LLC 
Operating License: Issued - 04/17/1990, Expires - 02/08/2030
Docket Number: 05000445

Reactor Type: Pressurized Water Reactor
Licensed MWt: 3,612
Reactor Vendor/Type: Westinghouse Four-Loop
Containment Type: Dry, Ambient Pressure