Basic Facts:

  • Location: Waterford, Connecticut
  • Owner: Dominion Energy
  • Operator: Dominion Energy
  • Construction Cost: $10.8B (2018$)
  • Plant Output: 2,100 MW (combined)
  • Property Size: 540 acres
  • Status: Operational
  • Employees: 1,300
  • Expected Shut Down Date: Unit 2 (2035), Unit 3 (2045)
  • Current DTF Balance: $1.3B (2018$)
  • DTF Balance Prior to Decommissioning: $2.1B (2018$)
  • Decommissioning Cost Estimate: $1.0B (2018$)
  • Spent Nuclear Fuel on Site: 1,279 metric tons
Millstone 1 Photo


Millstone 2 and 3 consists of two pressurized water reactors. Construction of Unit 2 began in 1969 with Unit 3 construction beginning in 1974. Licensed operations for Unit 2 and 3 began in 1975 and 1986 respectively.

In 2005, the Nuclear Regulatory Commission granted twenty-year license renewals for both reactors, extending the licensed operational life of Unit 2 to 2035 and Unit 3 to 2045.


The Millstone nuclear power plant is located within New London, Connecticut. As of 2016, socioeconomic information is as follows:

  • Population: 270,000
  • Per Capita Annual Income: $54,000
  • Unemployment rate (not seasonally adjusted): 4.7%

The Millstone nuclear facility generates approximately $900M in annual economic output from station operations for the state of Connecticut. Millstone’s tax contribution to local and state governments is approximately $40 million.

Contact Information

Economic Development Administration Representative:

Economic Development District

University Center

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].

(802) 345-7044




Download our

free report

Discover tools and information for improving project outcomes and
catalyzing economic recovery

Scroll to Top