Comanche Peak 1 & 2

Basic Facts:

  • Location: Glenn Rose, Texas
  • Owner: Luminant
  • Operator: Luminant Generation Company
  • Construction Cost: $6.7B (2018$)
  • Plant Output: 2,400 MW (Combined)
  • Property Size: 10,000 acres
  • Status: Operational
  • Employees: 1,300
  • Expected Shut Down Date: Unit 1 (2030), Unit 2 (2033)
  • Current DTF Balance: $1.1B (2018$)
  • DTF Balance Prior to Decommissioning: $1.8B (2018$)
  • Decommissioning Cost Estimate: $850M (2018$)
  • Spent Nuclear Fuel on Site: 1,224 metric tons
Comanche Peak 1 & 2 Photo


The Comanche Peak nuclear power station consists of two pressurized water reactors. Construction began in 1974 with licensed operations commencing in 1990 (Unit 1) and 1993 (Unit 2).

In 1990 (Unit 1) and 1993 (Unit 2), the Nuclear Regulatory Commission granted Comanche Peak forty-year licenses. Their licensed operational life extends to 2030 and 2033 respectively.


The Comanche Peak nuclear power plant is located within Somervell County, Texas. As of 2016, socioeconomic information is as follows:

  • Population: 9,000
  • Per Capita Annual Income: $45,000
  • Unemployment rate (not seasonally adjusted): 3.9%

The Comanche Peak nuclear plant is the largest taxpayer in Somervell County, accounting for more than 80% of the County’s tax revenue. Since 1990, the plant has contributed approximately $1B to the state and local economies through tax payments and payroll.

Contact Information

Economic Development Administration Representative:

Economic Development District

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

Vistra moves to extend operation at Comanche Peak

October 5, 2022

Vistra moves to extend operation at Comanche PeakVistra Corporation announced yesterday that it is seeking 20-year life extensions for its Comanche Peak reactors and has submitted an application for license renewals to the Nuclear Regulatory Commission. Operated by Vistra subsidiary Luminant and located in Glen Rose, Texas, Comanche Peak is home to two Westinghouse-supplied pressurized […]

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