Comanche Peak Nuclear Generating Station is located in Somervell County, Texas. The nuclear power plant is located 40 miles (65 km) southwest of Ft. Worth and about 60 miles (100 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 Energy Future Holdings Corporation.

Construction of the two Westinghouse pressurized water reactors began in 1974. Nuclear Reactor 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 2006^[update] Unit 2 was the second-last power reactor to come online in the USA, followed only by Watts Bar 1.

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.

On September 19, 2008, Luminant filed an application with the NRC for a Combined Construction and Operating License (COL) for two new reactors. The reactor design selected is the US version of the 1,700 MWe Advanced Pressurized Water Reactor (US-APWR), developed by Mitsubishi Heavy Industries (MHI). The project is a joint venture, with Luminant owning 88 percent and 12 percent owned by MHI. Luminant did not release an estimate of the project's cost, but CEO David Campbell said Luminant would try to build its new reactors at the low end of current industry estimates, which he said range from $2,500 to $6,000 a kilowatt — $8.5 billion to $20.4 billion for a 3,400 MW plant.

Some environmental and anti-nuclear organizations and individuals oppose the plant expansion, citing environmental, public safety and cost concerns. These include the Sustainable Energy and Economic Development Coalition, Public Citizen and state Rep. Lon Burnam.

Comanche Peak Nuclear Power Plant
Country	United States
Locale	Somervell County, near Glen Rose, Texas
Status	Operational
Construction began	1974-93
Commission date	Unit 1: April 17, 1990 Unit 2: April 6, 1993
Licence expiration	Unit 1: February 8, 2030 Unit 2: February 2, 2033
Operator(s)	Luminant Generation Co.
Reactor information
Reactors operational	Unit 1: 1084 MW Unit 2: 1124 MW
Reactors planned	2 x 1700 MW
Reactor type(s)	pressurized water reactor
Reactor supplier(s)	Westinghouse