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November 22, 2021

Comanche Peak 1, US

By Carmen

Comanche Peak 1 is a 1,259MW nuclear reactor which is located within the premises of Comanche Peak Steam Electric Station. It is located in Texas, the US. The nuclear reactor is currently generating power and is in active status. The construction on the reactor commenced in Dec, 1974. The first power from the reactor was achieved in Apr, 1990. Subsequent to trial runs the reactor finally entered into commercial operation in Aug, 1990.

PID Project Type Total Capacity (MW) Active Capacity (MW) Pipeline Capacity (MW) Project Status Project Location Project Main Contractor
217 Nuclear 1,259 1,259 Active Texas, the US Westinghouse Electric


Comanche Peak 1 is a Generation II nuclear reactor developed by Westinghouse Electric, the main contractor for the project.

The 1,259MW reactor is owned and operated by Luminant Generation. The company has a stake of 100%.

The PWR reactor generates 9,441.53GWh/annum of electricity. It features 193 fuel assemblies in the core of reactor, the place where fission occurs and energy is released. Safety contol rods that are used to control the fission rate in the reactor are 53 in number.

Development Status

The reactor construction commenced in Dec, 1974 and subsequently entered into commercial operation in Aug, 1990.

Contractors Involved

The steam turbines for the reactor have been supplied by Allis Chalmers(A-C) and Public Service of Indiana (PSI). Gibbs & hill was selected as an architect engineer for the reactor. The reactor system was supplied by GE Power. The reactor vessel has been supplied by Combustion Engineering. The material used for the construction of the vessel is Alloyed Steel (SA 533 B/SA 508). The civil works were carried out by Brown & Root.

About Westinghouse Electric

Westinghouse Electric Corp (Westinghouse Electric) is an electronic equipment company that provides electric and electronic products. The company’s products include televisions, headphones, whiteboard displays, power strips, earphones, indoor and outdoor timers, ground stakes, adapters, and indoor extension cords. It also offers lighting products, surge protectors, lighting products, computer and tablet accessories, portable fans, light bulbs, ceiling fans, ventilation fans, and light fixture accessories. Westinghouse Electric offers portable generators, digital inverters, solar systems, pressure washers, large motors, small motors, voltage variable drives and others. The company offers its products to retail and industrial clients. Westinghouse Electric is headquartered in Pittsburgh, Pennsylvania, the US.


All power projects included in this report are drawn from GlobalData’s Power Intelligence Center. The information regarding the project parameters is sourced through secondary information sources such as electric utilities, equipment manufacturers, developers, project proponent’s – news, deals and financial reporting, regulatory body, associations, government planning reports and publications. Wherever needed the information is further validated through primary from various stakeholders across the power value chain and professionals from leading players within the power sector.

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