United States

Callaway — 1,236 MW Nuclear

Nuclear Verified

Callaway is a 1,236 MW nuclear power plant located in United States of America. View location, capacity, and technical details.

Capacity
1,236 MW

Installed

Commissioned
1985

Year online

Owner
Union Electric Co - (MO)

Operator

Location
38.76, -91.78

Coordinates

Insights

#280
largest in United States of America
#292
largest Nuclear worldwide
#1,808
largest worldwide
1985
3 yrs older than avg
19
operated by Union Electric Co…
19
plants within 100 km

Technical Details

Fuel Type
Nuclear
Capacity
1,236 MW
Commissioned
1985
Status
Operational
Owner
Union Electric Co - (MO)
Country
United States
Coordinates
38.759, -91.779

Carbon Footprint

Annual CO₂
110,421 t

tonnes / year

Lifetime CO₂
5,521,060 t

over ~50 yrs

Intensity
12 g

Est. gCO2/kWh

Annual emissions equivalent to

24,005
cars per year
14,723
homes per year
5,019,146
trees to offset

Indicative estimate from standard life-cycle emission and capacity factors — not a measured figure. Open calculator

Nearby Plants

About this plant

The Callaway Nuclear Power Plant, located in Callaway County, Missouri, is a significant contributor to the United States’ energy sector, boasting a capacity of 1235.8 megawatts (MW). Commissioned in 1985, this nuclear power facility is owned and operated by Union Electric Company, a subsidiary of Ameren Corporation. The Callaway plant plays a crucial role in providing a stable and reliable source of electricity for the region, ensuring that the needs of local communities and industries are met efficiently.

As a nuclear power plant, Callaway utilizes uranium fuel to generate electricity. The core of the reactor operates on the principle of nuclear fission, wherein the nuclei of uranium atoms are split to release a substantial amount of energy. This process takes place in a Pressurized Water Reactor (PWR) system, which is designed to maintain high pressure to keep the water in a liquid state, despite the high temperatures generated during fission. The heat produced from this reaction is then used to produce steam, which drives turbines connected to generators, thereby converting thermal energy into electrical energy. This technology not only allows for a high capacity of electricity generation but also provides a more consistent output compared to some renewable sources, which can be intermittent.

In terms of environmental impact, nuclear power plants like Callaway are often regarded as cleaner alternatives to fossil fuel-based generation. They produce minimal greenhouse gas emissions during operation, which makes them an important component in efforts to combat climate change. However, the challenges associated with nuclear waste management and the potential risks of nuclear accidents remain critical concerns. The Callaway plant employs stringent safety measures and protocols to mitigate these risks, including regular inspections and advanced technology designed to prevent and respond to potential incidents.

Regionally, the Callaway Nuclear Power Plant has a significant impact on the local economy and energy landscape. It provides employment opportunities for skilled workers and contributes to the economic vitality of Callaway County and surrounding areas. Additionally, the plant supports local businesses and services through its operational needs and the spending of its workforce. By supplying a substantial portion of Missouri’s electricity, Callaway enhances energy security and helps stabilize the regional power grid, particularly during peak demand periods.

In conclusion, the Callaway Nuclear Power Plant stands as a vital asset in the United States’ energy portfolio. With its reliable capacity of 1235.8 MW generated through nuclear fission, it plays an essential role in meeting the energy demands of Missouri while contributing to the broader objectives of environmental sustainability and economic stability.

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