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| Millstone Power Station | |
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| Country |
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| Location | Waterford, New London County, Connecticut |
| Coordinates | 41°18′37.9614″N 72°10′3.7194″W / 41.310544833°N 72.167699833°W |
| Status | Operational |
| Construction began | Unit 1: May 1, 1966 Unit 2: November 1, 1969 Unit 3: August 9, 1974 |
| Commission date | Unit 1: March 1, 1971 Unit 2: December 26, 1975 Unit 3: April 23, 1986 |
| Decommission date | Unit 1: July 1, 1998 |
| Construction cost | $8.845 billion (2007 USD, Units 2–3 only)[1] |
| Owner(s) | Dominion Energy |
| Operator(s) | Dominion Energy |
| Nuclear power station | |
| Reactor type | Unit 1: BWR Units 2–3: PWR |
| Reactor supplier | Unit 1: General Electric Unit 2: Combustion Engineering Unit 3: Westinghouse |
| Cooling source | Long Island Sound |
| Thermal capacity | 1 × 2011 MWth (decommissioned) 1 × 2700 MWth 1 × 3650 MWth |
| Power generation | |
| Units operational | 1 × 869 MW 1 × 1229 MW |
| Make and model | Unit 1: BWR-4 (Mark 1) Unit 2: CE 2-loop (DRYAMB) Unit 3: WH 4-loop (DRYSUB) |
| Units decommissioned | 1 × 641 MW |
| Nameplate capacity | 2098 MW |
| Capacity factor | 89.99% (2017) 71.23% (lifetime) |
| Annual net output | 17,216 GWh (2021) |
| External links | |
| Website | Millstone Power Station |
| Commons | Related media on Commons |
The Millstone Nuclear Power Station is the only nuclear power plant in Connecticut[2] and the only multi-unit nuclear plant in New England. It is located at a former quarry (from which it takes its name) in Waterford. With a total capacity of over 2 GW, the station produces enough electricity to power about 2 million homes. The operation of the Millstone Power Station supports more than 3,900 jobs, and generates the equivalent of over half the electricity consumed in Connecticut.[3]
The Millstone site covers about 500 acres (2 km2).[4] The power generation complex was built by a consortium of utilities, using Long Island Sound as a source of secondary side cooling. Millstone Units 2 and 3, both pressurized water reactors (one from Westinghouse and one from Combustion Engineering), were sold to Dominion Resources by Northeast Utilities in 2000 and continue to operate.[5]
The plant has had numerous safety-related shutdowns and at times been placed on enhanced examination status by the Nuclear Regulatory Commission.[6][7] In 1999, Northeast Utilities, the plant's operator at the time, agreed to pay $10 million in fines for 25 counts of lying to federal investigators and for having falsified environmental reports. Its subsidiary, Northeast Nuclear Energy Company, paid an additional $5 million for having made 19 false statements to federal regulators regarding the promotion of unqualified plant operators between 1992 and 1996.[8][9]
On November 28, 2005, after a 22-month application and evaluation process, Millstone was granted a 20-year license extension for both units 2 and 3 by the NRC.[10]
- ^ "EIA - State Nuclear Profiles". www.eia.gov. Retrieved 3 October 2017.
- ^ "Facilities by NRC Region or State / Connecticut". United States Nuclear Regulatory Commission. March 9, 2021. Retrieved September 23, 2022.
- ^ "Millstone Power Station | Dominion Energy".
- ^ Cite error: The named reference
OEISwas invoked but never defined (see the help page). - ^ Spinella, Stan (January 26, 2021). "Dominion officials discuss future of Millstone Nuclear Power Station". The Day. Retrieved June 21, 2022.
- ^ Cite error: The named reference
MacAvoyRosenthal2005was invoked but never defined (see the help page). - ^ National Academy of Engineering (16 September 2004). Accident Precursor Analysis and Management: Reducing Technological Risk Through Diligence. National Academies Press. pp. 24–. ISBN 978-0-309-09216-6.
- ^ Hechinger, John (28 September 1999). "Northeast Utilities Pleads Guilty To Polluting at Millstone Plant". The Wall Street Journal. Retrieved 18 December 2016.
- ^ Allen, Mike (28 September 1999). "A Record U.S. Fine at a Connecticut Nuclear Plant". The New York Times. Retrieved 18 December 2016.
- ^ "Millstone Nuclear Power Station, Units 2 and 3 - License Renewal Application". U.S. Nuclear Regulatory Commission. November 28, 2005. Retrieved June 21, 2022.
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