AES Thames
Location: CT
Operator: AES Corp
Configuration: 1 X 214 MW
Operation: 1989 (ret)
Fuel: coal
Boiler supplier: CE
T/G supplier: Toshiba
EPC: Black & Veatch, Marubeni, Toshiba, Pritchard
Quick facts: This is a CHP plant with a CFB boiler. The plant closure was announced by local government on 12 Dec 2011, the facility having been sold for demolition the previous week to BTU Solutions according to press reports. The process will take 16mos.

Brayton Point
Location: MA
Operator: Dominion Energy Inc
Configuration: 2 X 241 MW, 1 X 643 MW, 1 X 476 MW
Operation: 1963-1969
Fuel: coal, oil, natural gas
Boiler supplier: B&W, CE, Riley Stoker
T/G supplier: GE, WH
EPC: S&W, CT Main, JA Jones
Quick facts: Brayton Point-3 has asupercritical B&W boiler. The plant was acquired by PG&E National Energy Group from New England Power Co in 1997 and sold on to Dominion Resources in Jan 2005.

Bridgeport Harbor
Location: CT
Operator: PSEG Fossil
Configuration: 1 X 82 MW, 1 X 180 MW, 1 X 400 MW
Operation: 1957-1968
Fuel: coal, oil
Boiler supplier: B&W, CE
T/G supplier: GE
EPC: B&W, Ebasco, UE&C
Quick facts: The plant was acquired by PSEG in Dec 2002. Unit-3 is the largest coal-fired unit in the state and the third largest in NEPOOL.

Mount Tom
Location: MA
Operator: FirstLight Power Resources
Configuration: 1 X 136 MW
Operation: 1960
Fuel: bituminous coal, oil
Boiler supplier: RS
T/G supplier: GE
EPC: UE&C
Quick facts: Mt Tom is on an 80ac woodland tract on the Connecticut River. Unusually for its northern location, the plant has an outdoor boiler structure. It went into service as a coal-fired unit, was converted to burn oil in 1970, and was reconverted to coal in 1981. Mt Tom burns about 1,200 tpd of coal and has onsite storage space for about 150,000t. In Aug 2005, Babcock Power Inc broke ground on a new SCR for Mt Tom. The unit already has Riley CCV low NOx burners plus overfire air and was the location of a demonstration installation of the Praxair Oxygen Enhanced Combustion (OEC) low NOx technology. In Dec 2009, a new BPI Turbosorp FGD scrubber went online along with a new baghouse.

Schiller 5&6
Location: NH
Operator: Public Service New Hampshire
Configuration: 2 X 50 MW
Operation: 1952-1957
Fuel: bituminous coal, wood, oil
Boiler supplier: FW
T/G supplier: WH
EPC: UE&C
Quick facts: In 2006, PSNH repowered Schiller-5 with a wood-fired CFB boiler.

Photograph courtesy of Public Service New Hampshire
Posted 3 Nov 2004

Somerset
Location: MA
Operator: NRG Energy
Configuration: 2 X 38 MW, 1 X 20 MW, 1 X 35 MW, 1 X 74 MW, 1 X 120 MW
Operation: 1923-1970 (ret)
Fuel: bituminous coal, oil
Boiler supplier: B&W, CE
T/G supplier: GE
EPC: UE&C
Quick facts: Somerset is on the west side of the Taunton River in Bristol Co. The first units at Somerset PS wer ewere built by Montaup Electric Co starting in 1923. MEC became part of Eastern Utilities whih in Oct 1998 agreed to sell Somerset PS to NRG for $55mn, at which time only Units 5&6 were still operational. There were plans to partially convert the plant to plasma gasification technology and the factility was closed in Jan 2010 to begin the process. However, the conversion project was terminated in Feb 2011 and the plant put up for sale. In Feb 2012, Somerset PS was sold to Asset Recovery Group for demolition.

Turners Falls
Location: MA
Operator: Indeck Energy Services Inc
Configuration: 1 X 20.5 MW CHP
Operation: 1989 (ret)
Fuel: bituminous coal
Boiler supplier: Zurn
T/G supplier: WH
EPC: Bibb, J A Jones
Quick facts: This stoker cogen plant was built to provide power and steam to the adjacent Strathmore Paper Co mill, which dated to 1871. When the mill shut in 1999, the power plant was closed as well. In 2006, the main equipment was dismantled and shipped overseas.