Calvert Cliffs 1 & 2

Basic Facts:

  • Location: Lusby, Maryland
  • Owner: Exelon
  • Operator: Exelon
  • Construction Cost: $2.7B (2018$)
  • Plant Output: 1,800 MW (combined)
  • Property Size: 2,300 acres
  • Status: Operational
  • Employees: 850
  • Expected Shut Down Date: Unit 1 (2034), Unit 2 (2036)
  • Current DTF Balance: $860M (2018$)
  • DTF Balance Prior to Decommissioning: $1.3B (2018$)
  • Decommissioning Cost Estimate: $960M (2018$)
  • Spent Nuclear Fuel on Site: 1,421 metric tons
Calvert Cliffs 1 & 2 Photo


The Calvert Cliffs nuclear power station consists of two two-loop pressurized water reactors. Construction began in 1968 (Units 1 & 2) with licensed operations commencing in 1975 and 1977 respectively.

In 2000, the Nuclear Regulatory Commission granted a twenty-year license renewal for Units 1 & 2, extending their licensed operational life to 2034 and 2036 respectively.


The Calvert Cliffs nuclear power plant is located within Calvert County, Maryland. As of 2016, socioeconomic information is as follows:

  • Population: 92,000
  • Per Capita Annual Income: $58,000
  • Unemployment rate (not seasonally adjusted): 3.9%

The annual payroll at the Calvert Cliffs Nuclear Power Plant is approximately $125M and in 2017 the plant contributed $23M in property tax payments.

Contact Information

Economic Development Administration Representative:

Nuclear Regulatory Commission

Unless specific costing information has been provided, decommissioning costs were derived from 2017 Decommissioning Funding Status Report.
Information herein obtained from public sources. Corrections are welcome and may be directed to [email protected].

Additional Information

Nuclear Regulatory Commission Conducts Special Inspection at Calvert Cliffs Nuclear Plant

May 2, 2023

Nuclear Regulatory Commission Conducts Special Inspection at Calvert Cliffs Nuclear Plant – The Southern Maryland ChronicleThe Nuclear Regulatory Commission (NRC) has initiated a special inspection at the Calvert Cliffs Unit 1 nuclear power plant in Lusby, Maryland. The inspection is being conducted to review issues associated with an emergency diesel generator at the facility, which […]

Read More

EDF Will Bail on Three Nuclear Plants, Exelon Holds the Bag

November 24, 2019
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Commission to hold meeting on Calvert Cliffs request – March 6, 2018

December 19, 2018
Read More

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