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November 7, 2008

Raser Completes Commercial Geothermal Power Project in Utah

Utah, United States [RenewableEnergyWorld.com]

Raser Technologies Inc. has completed the first commercial geothermal power plant to be built in Utah in more than 20 years. Raser previously announced the discovery of one of the largest geothermal resources in the nation in the past 25 years at the plant site.

"With the major construction of Thermo completed, we will work over the next four to six weeks to complete the commissioning process and have the plant fully operational later this quarter."

-- Brent Cook, CEO Raser

Using Raser’s new modular power plant design, major construction for the Thermo project was completed in six months. Most traditional commercial geothermal plants have a five to seven year time frame required for development.

For one of the first times ever in a commercial scale power plant, Raser is utilizing new low temperature technology developed by UTC Power to generate electrical power at the Utah site with zero emissions. Raser connected fifty of the binary cycle units together on site like a computer network to make a 10-megawatt geothermal power plant.

“We are excited to unveil our first geothermal power plant,” said Brent Cook, Raser’s CEO. “With the major construction of Thermo completed, we will work over the next four to six weeks to complete the commissioning process and have the plant fully operational later this quarter. The completion of this historic renewable energy plant marks an important step in our country’s effort to become energy independent. We invite the many partners that have made this historic geothermal plant possible, our shareholders and the public to come and celebrate this important milestone with us.”

Reader Comments (2)
 
No image available
November 12, 2008
Great, but UTC Power could not provide information about this low temperature technology.
Besides that: you seem to have a very high flowrate to operate this type of electricity plant. In the Netherland we have the right temperature, but not enough flow. How to solve this challenge?
Comment 1 of 2
No image available
November 12, 2008
Higher flow rates are required when using medium to low quality thermal sources for power generation. This is a consequence of the basics of the Carnot Cycle; the lower the temperature difference between the heat source and sink, the higher the flow rate must be between these two points to generate an equivalent amount of power as would be produced from another thermal source that uses a higher thermal gradient. Another way of saying the same thing is to highlight the fact that the lower the temperature gradient, the lower the thermodynamic energy transfer efficiency of the system will be. This flow rate feature that Immanuel mentions can not be avoided.
Comment 2 of 2
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