U.S. Nuclear Plants
Millstone
Connecticut
|
Unit
2 Nuclear system supplied by Combustion Engineering Company |
Capacity
Net MW(e) |
Generation
in 2003
Megawatthours |
Capacity
Factor |
Type |
On-line
Date |
License
Expiration Date |
869 |
6,328,000 |
82.9% |
PWR |
Sept. 26, 1975 |
July 31, 2015 |
|
Unit
3 Nuclear system supplied by Westinghouse Electric Corporation
|
Capacity
Net MW(e) |
Generation
in 2003
Megawatthours |
Capacity
Factor |
Type |
On-line
Date |
License
Expiration Date |
1,136 |
9,750,095 |
97.7% |
PWR |
Jan. 31, 1986 |
Nov. 25, 2025 |
PWR=
Pressurized Light Water Reactor
Description: Millstone
units 2 and 3 are located at a former quarry in Waterford, Connecticut.
The site covers about 500 acres. The Millstone complex was built by a
consortium of utilities. Both units were shut down between 1996 and 1998
due to safety problems. Millstone 1 was shut down in November 1995 before
being permanently closed in July 1998. Units 2 and 3 were sold and continue
to operate.
Ownership: Both units are operated by Dominion Generation. Dominion Resources, Inc., totally owns unit 2 and is majority owner of unit 3. Besides Dominion (93.5 percent owners), the owners of unit 3 include Massachusetts Municipal Wholesale Electric Company (4.8 percent), and the Central Vermont Public Service Corporation (1.7 percent).
The Impact of the Nuclear Industry on Connecticut:
- News items
- Highlights
- Nuclear-provided Electricity Generation
- Competition in the State Electricity Market
- Environmental Trends: Emissions levels
- Various Links to related sites.
Sources: Capacity, for purposes of this report, is the net summer capability as reported in Energy Information Administration (EIA) survey form 860, "Annual Electric Generator Report." Capacity Factor is a calculation in which the maximum possible generation (based on net summer capability) is divided into the actual generation than multiplied by 100 to get a percentage. Generation is the electricity output reported by plant owners on EIA survey form 906. Type of Unit: All U.S. commercial reactors currently in operation are one of two types: BWR (boiling water reactor) or PWR (pressurized light water reactor). The type is identified in EIA's Nuclear Power Generation and Fuel Cycle Report. Both the On-line Date and the License Expiration Date are reported annually in Information Digest by the U.S. Nuclear Regulatory Commission.
Contact:
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Plants A - L