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13 December 2006 -- GE Energy has shipped its second Frame 7H gas turbine for the Inland Empire Energy Center in Southern California, the commercial launch site for the 60-hertz version of GE's most advanced gas turbine combined-cycle technology.
The 7H left GE's Greenville, S.C. gas turbine manufacturing facility in early December to begin a journey by land and sea to the project location in Romoland, near Riverside, Calif. In mid-January, the unit will join another 7H gas turbine that is currently being installed at the site.
The new power plant is expected to enter commercial service by the summer of 2008. The two GE 107H combined-cycle systems at the site will produce nearly 800 MW.
The 7H is the 60-hertz version of GE's H System, a combined-cycle technology designed with the capability to reach 60 percent thermal efficiency. The high efficiency of the H System means less fuel is used, resulting in fewer emissions for each megawatt of electricity produced.
A steam cooling system developed by GE for the H System enables the higher firing temperatures required for increased efficiency. In addition, the H turbines' first-stage buckets and nozzles were designed with single-crystal materials to withstand higher temperatures over a long service life.
GE will finance and own the Inland Empire Energy Center, while Calpine Power Services is managing plant construction. Calpine Energy Services will market the plant's output and manage fuel requirements under a long-term marketing arrangement with GE. Following an extended period of GE ownership, Calpine expects to purchase the plant and become its sole owner and operator, with GE continuing to provide critical plant maintenance services under a long-term agreement with Calpine.
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