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Abengoa Solar to build the first Solar Thermal installation integrated with a Coal Plant owned by Xcel Energy

August 27, 2009

Denver, August 27, 2009 - Abengoa Solar has been selected by Xcel Energy, Colorado's largest electric utility company, to build a demonstration parabolic trough concentrating solar power (CSP) plant at its Cameo coal plant near Grand Junction, Colorado. The project is the first to integrate an industrial solar installation into a conventional electrical power plant.

Construction is expected to start within a month and the plant is expected to be operational by the end of the year. The project, awarded to Abengoa Solar by Xcel, is the first project under an Innovative Clean Technology program that has been approved for Xcel Energy by the Colorado Public Utilities Commission.

The goal of the project is to prove that the heat produced by a solar facility can increase the efficiency of a conventional power plant while also lowering carbon dioxide (CO2) emissions. Successful integration of this technology may enable future large-scale applications of this technology into other power plants.

"We continue to move forward in developing ways to help us reduce our impact on the environment," said David Wilks, President of Energy Supply for Xcel Energy. "If this demonstration works, we may be able to implement this type of technological advance in other coal-fired power plants to help further reduce carbon dioxide emissions in Colorado and possibly other areas of our service territory."

This four thermal megawatt solar installation will use state-of-the-art parabolic trough collectors developed by Abengoa Solar.

Ken May, Director of Abengoa Solar IST, emphasized the high potential of large-scale applications of the industrial solar installation technology: "Proper use of the solar thermal energy produced at these facilities can improve plant efficiency while lowering CO2 emissions. The successful integration of solar and coal technologies will encourage more widespread use throughout the utility sector."

Parabolic Trough Technology for Industrial Solar Installations

Parabolic trough technology can be used for both electricity generation as well as for producing thermal energy for industrial processes. More extensive use of this technology could have a significant positive impact on the environment.

Abengoa Solar's industrial parabolic trough technology installation utilizes collectors that track the sun during the daytime in order to concentrate solar radiation onto a heat-absorbing pipe located at the focal line of the parabola. The heated fluid that circulates through the pipe reaches high temperatures and, by means of a heat exchanger, produces energy that can be used to generate steam, to heat water or air, or to run an absorption machine for an air conditioning system.

About Abengoa Solar

Abengoa Solar focuses on developing and applying innovative solutions to generate power and energy from the sun. Abengoa Solar's headquarters in Lakewood, Colorado, comprises 50,000 square feet of office and manufacturing space where more than 70 people are employed in engineering, research and development, manufacturing, project development and support functions. In addition, Abengoa Solar has in the US offices in Arizona and California.


Abengoa is a technology company that applies innovative solutions for sustainability in the infrastructure, environmental and energy sectors. The company is listed on the Spanish Stock Exchange and is present in more than seventy countries, in which it operates through its five business units: Solar, Bioenergy, Environmental Services, Information Technologies, and Industrial Engineering and Construction (

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