United States

Calvert Cliffs Nuclear Power Plant — 1,850 MW Nuclear

Nuclear Verified

Calvert Cliffs Nuclear Power Plant is a 1,850 MW nuclear power plant located in United States of America. View location, capacity, and technical details.

Capacity
1,850 MW

Installed

Commissioned
1976

Year online

Owner
Exelon Nuclear

Operator

Location
38.43, -76.44

Coordinates

Insights

#130
largest in United States of America
#222
largest Nuclear worldwide
#953
largest worldwide
1976
12 yrs older than avg
13
operated by Exelon Nuclear
107
plants within 100 km

Technical Details

Fuel Type
Nuclear
Capacity
1,850 MW
Commissioned
1976
Status
Operational
Owner
Exelon Nuclear
Country
United States
Coordinates
38.434, -76.442
Wikipedia
Link

Carbon Footprint

Annual CO₂
165,337 t

tonnes / year

Lifetime CO₂
8,266,847 t

over ~50 yrs

Intensity
12 g

Est. gCO2/kWh

Annual emissions equivalent to

35,943
cars per year
22,045
homes per year
7,515,315
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 Calvert Cliffs Nuclear Power Plant is a significant facility located on the western shore of the Chesapeake Bay in Maryland, United States. Commissioned in 1976, this nuclear power plant has a total generating capacity of 1850.4 megawatts (MW) and is owned and operated by Exelon Nuclear. As one of the most prominent nuclear power facilities in the United States, Calvert Cliffs plays a critical role in providing a substantial portion of the region’s electricity and contributes to the national energy sector by offering a reliable source of low-carbon power.

The plant operates two pressurized water reactors (PWRs), which utilize enriched uranium as fuel. In a pressurized water reactor, water is heated under high pressure, preventing it from boiling. The heated water is then circulated through a steam generator, where it transfers its heat to a secondary water loop, producing steam that drives the turbines generating electricity. Enriched uranium, typically containing about 3-5% of the isotope uranium-235, is crucial for sustaining the nuclear fission process that powers the reactors. The safety systems and containment structures in place at Calvert Cliffs are designed to prevent the release of radioactive materials, ensuring a high level of operational safety and efficiency.

Calvert Cliffs Nuclear Power Plant is also notable for its environmental implications. As a nuclear facility, it emits minimal greenhouse gases during operation, making it a cleaner alternative to fossil fuel-based power plants. This characteristic aligns with the growing need for sustainable energy solutions in the face of climate change. However, the plant does produce radioactive waste, which necessitates careful long-term management and storage solutions. The environmental impact of Calvert Cliffs is a topic of ongoing discussion, particularly in balancing the benefits of low-carbon energy production with the challenges of waste disposal and the potential risks associated with nuclear power.

Regionally, Calvert Cliffs serves as a critical energy provider for Maryland and surrounding states, contributing significantly to the local economy and energy security. The facility not only supports thousands of jobs directly related to its operation but also stimulates economic activity in the surrounding communities through various service and supply industries. The plant’s capacity to provide stable and consistent power is especially important given the increasing demand for electricity and the push for renewable energy sources. As the United States continues to shift towards a more diversified energy portfolio, nuclear facilities like Calvert Cliffs remain integral to ensuring a reliable and sustainable energy future.

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