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Ticker Symbol Micro-Turbine
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CPST Capstone Turbine Corporation Chart Opinion Profile Industrial Electrical Equipment
Excerpt from Capstone Turbine Corporation SEC Filing dated March 31, 2006

We develop, manufacture, market and service microturbine technology solutions for use in stationary distributed power generation applications, including cogeneration (combined heat and power ("CHP") and combined cooling, heat and power ("CCHP"), resource recovery and secure power. In addition, our microturbines can be used as generators for hybrid electric vehicle applications. Microturbines allow customers to produce power on-site. There are several technologies which are used to provide "on-site power generation", also called "distributed generation," such as reciprocating engines, solar power, wind powered systems and fuel cells. For customers who do not have access to the electric utility grid, microturbines can provide clean, on-site power with lower scheduled maintenance intervals and greater fuel flexibility than competing technologies. For customers with access to the electric grid, microturbines can provide an additional source of continuous duty power, thereby providing additional reliability and in some instances, cost savings. With our stand-alone feature, customers can produce their own energy in the event of a power outage and can use the microturbines as their primary source of power for extended periods. Because our microturbines also produce clean, usable heat energy, they can provide economic advantages to customers who can benefit from the use of hot water, air conditioning and direct hot air. Our microturbines are sold primarily through our distributors and dealers. We, along with our Authorized Service Companies ("ASCs"), provide installation and service. Successful implementation of the microturbine relies on the quality of the microturbine, the ability to sell into appropriate applications, and the quality of the installation and support.

We believe we were the first company to offer a commercially available power source using microturbine technology. Our 30- kilowatt ("Model C30") and 60 and 65 kilowatt ("C60 Series") products are designed to produce electricity for commercial and small industrial users. A Model C30 product can produce enough electricity to power a small convenience store. The C60 Series products can produce enough heat to provide hot water to a 100-room hotel while also providing about one-third of its electrical requirements. Our microturbines combine patented air-bearing technology, advanced combustion technology and sophisticated power electronics to form efficient electricity and heat production systems. Because of our air-bearing technology, our microturbines do not require liquid lubricants. This means they do not require routine maintenance to change oil or other lubrications, as do the most common competing products. The Model C30 product can be fueled by various sources including natural gas, propane, sour gas, renewable fuels such as landfill or digester gas, kerosene and diesel. The C60 Series can be fueled by natural gas or renewable fuels such as landfill or digester gas. The C60 Series products are available with an integrated heat exchanger, making it efficient to install in applications where hot water is used. Our products produce exceptionally clean power. In terms of nitrogen oxides ("NOx") emissions, our microturbines have been shown to consistently produce less NOx than conventional reciprocating engines including those designed for natural gas.


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