Power Systems Mfg.’s low emissions technology to eliminate 90% of power plant NOx emissions

JUPITER, Fla., August 22, 2005 (PRNewswire-FirstCall) — Power Systems Mfg., LLC (PSM), the Calpine Corporation manufacturing and parts subsidiary, was selected to install PSM’s low emissions combustion technology, trade named LEC-III®, at a major merchant power generator’s 600-megawatt cogeneration power plant in the Houston, Texas area. PSM will convert five GE Frame 7E gas turbines with its proprietary system to eliminate approximately 90-percent of the power plant’s nitrogen oxide (NOx) emissions. This project will be PSM’s eighth installation of its LEC-III® system in four countries, comprising sixteen units with several additional units in backlog.

PSM specializes in advanced combustion technology and hot gas path parts for industrial gas turbines, including products for F-class machines. LEC-III® is designed to reduce NOx emissions to less than five parts per million without the use of selective catalytic reduction, providing significant capital and operating cost savings as well as additional environmental benefits.

PSM President Tom Churbuck said, “PSM’s LEC-III® technology will enable this power plant to meet the increasingly stringent air pollution requirements in the Houston area in a cost-effective and environmentally preferred manner.”

PSM’s scope of supply includes the design and fabrication of the combustion systems, plus system installation and commissioning. PSM will also upgrade other gas turbine sub-systems, including digital controls and features to improve operational flexibility and increase power output via steam injection. For instance, with the PSM upgrade, the power plant can be operated at low load levels down to about 50%, while maintaining ultra-low nitrogen oxide and carbon monoxide emissions. PSM is scheduled to install the first of five units in the spring of 2006, with the final unit in place by the spring of 2007.

About Power Systems Mfg., LLC

Power Systems Mfg., LLC, a wholly owned subsidiary of Calpine Corporation, is an industry leader in gas turbine component engineering design and production. PSM manufactures new vanes, blades, combustors and other replacement parts for the industrial gas turbine industry. The Jupiter, Fla.-based company also offers a wide range of low emissions combustion systems and advanced airfoils designed to be transparently compatible for retrofitting or replacing existing combustion systems or components operating in General Electric and Siemens Westinghouse turbines. Visit PSM’s web site at www.powermfg.com.

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