Other Steam-Electric Plants in the USA - Connecticut & Massachusetts
Canal
Location: MA
Operator: NRG Energy Inc
Configuration: 1 X 585 MW, 1 X 580 MW
Operation: 1968-1976
Fuel: fuel oil, natural gas
Boiler supplier: B&W
T/G supplier: WH
EPC: Stone & Webster
Quick facts: Canal was acquired by Mirant (later GenOn and now NRG) from Commonwealth Energy System in 1999. Unit-1 is supercritical and was retrofit with an Alstom SCR system.

Photograph by C Bergesen
Posted 25 Jun 2005

Montville
Location: CT
Operator: NRG Energy
Configuration: 1 X 75 MW, 1 X 450 MW
Operation: 1954-1971
Fuel: fuel oil, natural gas
Boiler supplier: CE
T/G supplier: GE
EPC: UE&C
Quick facts: Montville was acquired from Northeast Utilities in Dec 1999. The first units at this 49ac site on the Thames River began producing power in 1919.

Photograph by C Bergesen
Posted 29 Apr 2007

Mystic 4-7
Location: MA
Operator: US Power Generating Company LLC
Configuration: 3 X 156 MW (ret), 1 X 617 MW
Operation: 1957-1975
Fuel: fuel oil, natural gas
Boiler supplier: CE
T/G supplier: GE
EPC: UE&C, Stone & Webster, Boston Edison
Quick facts: This plant is on the Mystic River in downtown Boston. The first of three 50-MW units started operations in 1943. These sets were retired in 1975. In 1982, Boston Edison announced it would convert Unit-7 to dual fuel capability. The plant was one of a group of assets sold by Boston Edison to Sithe Energies in Dec 1997. These were acquired by Exelon in late 2002. In Aug 2003, Exelon announced plans to turn over its Boston power plants, including three large CCGT projects then under construction, to a consortium of banks led by Paris-based BNP Paribas. The plants were later taken over by US Power Generating Co.

Photograph courtesy of Boston Edison Co
Posted 22 Nov 2009

New Boston
Location: MA
Operator: Exelon Power
Configuration: 2 X 359 MW
Operation: 1965-1967 (ret)
Fuel: fuel oil, natural gas
Boiler supplier: B&W
T/G supplier: WH, GE
EPC: Stone & Webster
Quick facts: In May 1998, New Boston was acquired by Sithe Energies from Boston Edison Co. In Nov 2002, Exelon bought Sithe's New England power plants for $1.7bn. These units were built for fuel oil firing and Unit-1 was later converted to natural gas. In Oct 2002, a fire damaged Unit-2 and it was never put back online.  In Jul 2007, ISO New England approved the closure of Unit-1, which was the subject of a must-run designation from Jan 2002 to Nov 2006 and subsequently operated on a merchant basis. Unit-1 was closed in 2007. In Apr 2016, Hilco Redevelopment Partners, bought the 15ac site in South Bostonnad plans for redevelopment. The New Boston 20-MW combustion turbine will stay in service through the summer of 2016..

Photograph courtesy of Exelon Corp
Posted 18 Jul 2007

New Haven Harbor
Location: CT
Operator: PSEG Fossil LLC
Configuration: 1 X 455 MW
Operation: 1975
Fuel: fuel oil, natural gas
Boiler supplier: CE
T/G supplier: GE
EPC: UE&C
Quick facts: The plant was acquired by Wisvest Corp from United Illuminating Co in 1999. It was resold to PSEG in 2002.

Photograph courtesy of PSEG
Re-posted 26 Aug 2015

Norwalk Harbor
Location: CT
Operator: NRG Energy
Configuration: 2 X 163 MW
Operation: 1960-1963
Fuel: fuel oil
Boiler supplier: CE
T/G supplier: GE
EPC: UE&C
Quick facts: In 1953, the Norwalk Zoning Commission approved a plan by Connecticut Light & Power to build an oil-fired power station on Manresa island in Norwalk Harbor, previously home to a Jesuit retreat. In Jul 1999, NRG announed a binding agreemnt to purchase Norwalk as part of a group of generating assets from CL&P for $460mn. In May 2013, NRG announed that it was closing the plant on 1 Jun 2013 due to adverse market pricing conditions that were likely to continue for the foreseeable future.

Photograph by Daniela Clark and courtesy of blog.ctnews.com
Posted 29 May 2013

Abbreviations

Data: industcards, Platts UDI World Electric Power Plants Data Base

Updated 23-Apr-2016

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