View all newsletters
Receive our newsletter - data, insights and analysis delivered to you
  1. Market Data
November 15, 2021

Callaway 1, US

By Carmen

Callaway 1 is a 1,275MW nuclear reactor which is located within the premises of Callaway Nuclear Plant. It is located in Missouri, the US. The nuclear reactor is currently generating power and is in active status. The construction on the reactor commenced in Sep, 1975. The first power from the reactor was achieved in Oct, 1984. Subsequent to trial runs the reactor finally entered into commercial operation in Dec, 1984.

PID Project Type Total Capacity (MW) Active Capacity (MW) Pipeline Capacity (MW) Project Status Project Location Project Main Contractor
133 Nuclear 1,275 1,275 Active Missouri, the US


Callaway 1 is a Generation II nuclear reactor.

The 1,275MW reactor is owned and operated by Union Electric . The company has a stake of 100%.

The PWR reactor generates 9,189.86GWh/annum of electricity. It features 193 fuel assemblies in the core of reactor, the place where fission occurs and energy is released.

Development Status

The reactor construction commenced in Sep, 1975 and subsequently entered into commercial operation in Dec, 1984.

Contractors Involved

GE Power was selected as the steam turbine supplier for the nuclear reactor. The company provided 1 steam turbine for the project. Bechtel was selected as an architect engineer for the reactor. The reactor system was supplied by Westinghouse Electric . The reactor vessel has been supplied by Combustion Engineering. The material used for the construction of the vessel is Alloyed Steel (SA 533).


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.

Related Companies

NEWSLETTER Sign up Tick the boxes of the newsletters you would like to receive. The top stories of the day delivered to you every weekday. A weekly roundup of the latest news and analysis, sent every Wednesday. The power industry's most comprehensive news and information delivered every month.
I consent to GlobalData UK Limited collecting my details provided via this form in accordance with the Privacy Policy


Thank you for subscribing to Power Technology