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Combined Cycle Natural Gas-Fired Projects
| • | Bridgeport Energy Project - Connecticut: 340 MW simple cycle using Siemens V84.3a combustion turbine generator; commercial operation in 6/98. Subsequently developed into 520 MW 2X1 combined cycle with Siemens V84.3a combustion turbine generator and Siemens triple pressure steam turbine generator; commercial operation in 6/99. Dual fuel capability using oil added in 2001. Project was combined with modifications to existing 80 MW and 170 MW oil fired plants. |
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| • | St. Francis No. 1 - Missouri: 260 MW combined cycle single shaft 1X1 using Siemens V84.3a combustion turbine generator and Siemens triple pressure steam turbine generator; commercial operation in 12/99. |
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| • | Choteau Project - Oklahoma: 520 MW 2X1 combined cycle with duct firing using Siemens V84.3a combustion turbine generators and Siemens triple pressure steam turbine generator with duct firing; commercial operation in 6/00. |
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| • | St. Francis No. 2 - Missouri: 260 MW combined cycle single shaft 1X1 using Siemens V84.3a combustion turbine generator and Siemens triple pressure steam turbine generator; commercial operation in 4/01. |
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| • | Griffith Energy - Arizona: 600 MW 2X1 combined cycle with heavy duct firing using GE7241FA combustion turbine generators with significant duct firing coupled to a GE triple pressure steam turbine generator; commercial operation 1/02. |
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| • | Chattahoochee — Georgia: 520 MW 2X1 combined cycle with duct firing using Siemens V84.3a combustion turbine generators and Siemens triple pressure steam turbine generator; commercial operation 3/03. |
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| • | Blythe Energy I - California: 520 MW 2X1 combined cycle with duct firing and inlet chillers using Siemens V84.3a combustion turbine generators and Siemens triple pressure steam turbine generator; commercial operation 1/04. A sister 520 MW plant has been permitted but not yet constructed. |
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| • | Lake Side I - Utah: 543 MW 2X1 combined cycle with duct firing using Siemens 501FD combustion turbine generators and Siemens triple pressure steam turbine generator; commercial operation achieved in 2007. Companion project, Lake Side II, currently in development. |
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| • | Cliffs - Washington: 300 MW 1X1 combined cycle including duct firing using Siemens V84.3a combustion turbine generator and Siemens triple pressure steam turbine generator; Summit successfully permitted this project and readied it to be capable of achieving commercial operation in less than two years (project has not been built). |
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Lower
Columbia - Oregon: 536 MW 2X1 combined cycle with duct firing
using Siemens V84.3a combustion turbine generator and Siemens triple
pressure steam turbine generator; permitted and capable of achieving
commercial operation in less than two years (project has not been built). |
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Simple Cycle Natural Gas-Fired Projects
| • | SMARR - Georgia: 230 MW simple cycle using two Siemens Westinghouse V84.2 combustion turbines; commercial operation 7/99. |
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| • | Sewell Creek - Georgia: 530 MW simple cycle using two Siemens Westinghouse V84.2 combustion turbine generators (230 MW) and two Siemens Westinghouse V84.3 combustion turbine generators (300 MW); commercial operation 6/00. |
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| • | Pleasant Valley Station - Minnesota: 340 MW simple cycle using two Siemens Westinghouse V84.3a combustion turbine generators with capability to convert to combined cycle; commercial operation 4/01. |
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| • | Holden - Missouri: 345 MW simple cycle using three Siemens Westinghouse V84.2 combustion turbine generators, dual fuel capable; commercial operation 2/01. |
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| • | Several IGCC projects are in development using Siemens Westinghouse 500 MW (thermal) gasifiers and state-of-the-art combined cycle power generation equipment. These projects will greatly reduce mercury and sulfur emissions, as well as water usage, and will capture a high percentage of their carbon dioxide, resulting in lower greenhouse gas emissions. The captured carbon dioxide will be used for climate-monitored enhanced oil recovery and other geological carbon sequestration. |
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| • | As a leader in innovative technology, Summit is currently developing surface facilities, including power plants, for underground coal gasification projects in the U.S. and abroad. This UCG technology can provide additional carbon capture and reduce overall plant emissions. |
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| • | White Creek Project-Washington: 200 MW two phase project using Siemens Westinghouse (Bonus) 2.3 MW turbines; commercial operation achieved in 2007 (Phase I) and scheduled for 12/08 (Phase II). |
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| • | Windy Point - Windy Flats Project-Washington: 240 MW two phase project using Siemens Power Generation 2.3 MW turbines: commercial operation 12/09. |
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| • | Summit is currently launching its photovoltaic (PV) solar energy project development effort, in collaboration with leading global manufacturers of PV solar equipment. Summit intends to develop projects throughout the U.S. and overseas, and thereby help speed deployment of PV solar on a large and economic worldwide scale. |
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| • | Summit is also investigating concentrated solar power technology, with the intention of creating a similar collaborative effort with leading equipment manufacturers and others to develop concentrated solar power projects. |
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