CCGT Plants in the USA - Connecticut
A L Pierce Repower
Location: CT
Operator: Connecticut Municipal Electrical Energy Cooperative
Configuration: 1 X 94 MW 7001FA gas turbine
Operation: 2007
Fuel: natural gas, oil
T/G supplier: GE
EPC: Careba Power Engineering, Gemma
Quick facts: CMEEC is a join-action genco formed by the state's municipal utilities in 1976. The new GT was installed in front of the PPL Wallingford gas turbines on the site of the town of Wallingford's former municipal power plant. The GT was relocated to an existing building site after four years of storage. Demolition began in late Oct 2006 and substantial completion was achieved in Oct 2007.

Photograph courtesy of Gemma
Posted 3 Aug 2013

Bridgeport Energy
Location: CT
Operator: Capital Power
Configuration: 520-MW, 2+1 CCGT with V84.3A2 gas turbines
Operation: 1998-1999
Fuel: natural gas, oil
HRSG supplier: Vogt
T/G supplier: GE
EPC: Duke/Fluor Daniel
Quick facts: In Sep 1997, Summit Energy Group (SEG) closed on Bridgeport Energy, a merchant plant venture with United Illuminating Co and Duke Energy. SEG negotiated and drafted the EPC contract, O&M Agreement and Project Coordination agreement. In total, 22 contracts were signed over a period of less than 6mos allowing construction to start on 15 Sep 1997. The plant began simple-cycle operation in Jul 1998 and combined cycle operation in Jun 1999. This was the first 2+1, V84.3A2 reference in the USA. The permitting also included an 11mi Southern Connecticut Gas lateral that interconnects to the Iroquois pipeline in Shelton, CT and once-through cooling facilities on Long Island Sound. A 115kV switchyard is at the site. Oil-firing capability was added in 2001 and in 2006, Duke sold the plant to LS Power, which in turn sold the plant to Dynegy in 2007. Capital Power acquired the facility from LS Power in Mar 2011 for $355mn and closing adjustments.

Photograph courtesy of Capital Power
Re-posted 7 Sep 2011/td>

GenConn Middletown
Location: CT
Operator: GenConn Energy LLC
Configuration: 4 X 50-MW LM6000PC-S gas turbines
Operation: 2011
Fuel: natural gas, oil
T/G supplier: GE
EPC: Sigma Energy Solutions, Gemma
Quick facts: GenConn Energy is a JV of NRG Energy. and United Illuminating Co. This peaking project has a 30yr PPA with Connecticut Light & Power. Notice to proceed was on 25 May 2010 with substantial completion achieved on 10 Jun 2011.

Photograph courtesy of Gemma
Posted 3 Aug 2013

Kleen Energy
Location: CT
Operator: NAES Corp
Configuration: 620-MW 2+1 CCGT with SGT6-5000FD3 gas turbines
Operation: 2011
Fuel: natural gas, oil
HRSG supplier: Vogt
T/G supplier: Siemens
EPC: Worley, O&G Industries
Quick facts: This project was the site of a fatal natural gas explosion on 7 Feb 2010 during late-phase construction. The project went commercial 17mos later on 8 Jul 2011. The final cost was reported to be $1.4bn. Majority owner is EIF Management LLC.

Photograph courtesy of Combined Cycle Journal
Re-posted 6 JUl 2013

UConn Cogen
Location: CT
Operator: University of Connecticut
Configuration: 24.9 MW, 3+1 CCGT with Taurus 70 gas turbines CHP
Operation: 2006
Fuel: natural gas, oil
HRSG supplier: Rentech
T/G supplier: Solar, Dresser, Ideal
EPC: Select Energy Services
Quick facts: UConn's Storrs campus has about 15,000 students and previously used a gas-fired central heating facility with electricity purchased form the local utility. In 2002, the university issued an RFP for a greenfield CHP plant with peak output of 25 MWe, 200,000 pph of steam and 6,000 refrigeration tons of chilled water. A contract for the $80mn project was awarded in 2003. The electric load at UConn ranges from 8 to 22 MW. A major high-pressure natural gas line is located near the campus, so compression equipment was not needed. The university also has 300,000g of fuel oil as a backup. Ammonia injection is used to treat exhaust from the fired HRSGs prior to ducting into the 120ft stack. A small percentage of chilled water is used to cool gas turbine inlet air. The ST exhaust can also be directed to a dump condenser.

Photograph courtesy of University of Connecticut
Posted 31 Oct 2007

Wallingford
Location: CT
Operator: PPL Generation LLC
Configuration: 5 X 46 MW LM6000 gas turbines
Operation: 2001
Fuel: natural gas
T/G supplier: GE
EPC: Parsons Brinkerhoff Power, Barton Malow Design, Cianbro Corp
Quick facts: This simple-cycle plant was built on the site of the town of Wallingford's former municipal power plant. The project was the result of an initiative by the Connecticut Municipal Electric Energy Cooperative to develop new brownfield power plants.

Photograph courtesy of PPL Corp
Posted 28 Aug 2005

 
Waterbury Generation
Location: CT
Operator: IPR-GDF SUEZ
Configuration: 1 X 96 MW LMS 100 gas turbine CHP
Operation: 2009
Fuel: natural gas, distillate
T/G supplier: GE
EPC: DiFazio Power & Electric
Quick facts: In Apr 2007, Waterbury Generation was selected in a competitive solicitation and signed a 10yr contract with United Illuminating Co to provide its generating capacity to the state of Connecticut. Construction on the brownfield site began in Sep 2008, the unit was test-run 100 days after delivery, and the machine was synchronized on 1 Jun 2009. IST supplied an SCR. Waterbury generation cost about $120mn. In Sep 2008, SUEZ Energy signed an agreement to acquire FirstLight Power's portfolio of 15 facilities.

Photograph courtesy of GDF SUEZ
Re-posted 3 Mar 2012

Yale School of Medicine Coggen
Location: CT
Operator: Yale University
Configuration: 24 X 7.2-MWTaurus 70 gas turbines CHP
Operation: 2010
Fuel: natural gas, oil
HRSG supplier: Rentech
T/G supplier: Solar
EPC: Charney Architects, Vanderweil Engineers, Hunt Construction Group
Quick facts:The Sterling Power Plant was converted to a 15-MW cogen plantIt supplies the Yale School of Medicine and Yale-New Haven Hospital with steam, chilled water and electricity. Steam production is up to 180,000 tph. The new equipment also included two 300 HP fuel gas compressors and 13.8 KV/480V medium voltage switchgear.

Photograph courtesy of Vanderweil Engineers
Posted 13 Nov 2016

Abbreviations

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

Updated 13-Nov-2016

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