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Colorado Integrated Solar Project

Colorado Integrated Solar Project - click for larger image

Xcel Energy’s first Innovative Clean Technology project is a concentrating solar plant integrated with a conventional coal-fired power plant. Located at our Cameo Generating Station near Palisade, Colo., the project is the world’s first known demonstration of the hybrid solar-coal approach using parabolic-trough solar technology. The system is concentrating solar energy that provides heat to produce supplemental steam for power generation at Cameo Station's Unit 2 and promises to:

  • decrease the overall consumption of coal,
  • reduce emissions from the plant,
  • improve plant efficiency,
  • test commercial viability of concentrating solar integration, and
  • increase the opportunity for cost-effective renewable power generation.

See how it works (diagram)

Read the project fact sheet, See the video

Learn more about our project partner, Abengoa Solar

Facts & Figures:

Colorado Public Utilities Commission Approval

May 2009

Project Partner

Abengoa Solar

Construction

September 2009-February 2010

Project Cost

$4.5 million

Capacity of Cameo Unit 2

49 megawatts

Size of solar field

6.4 acres

Rows of solar troughs

8

Length of troughs

500 feet

Square feet of surface area

70,400 square feet

Heat transfer fluid

575 F degrees

Minimum heat to operate system

375 F degrees

Heat rate improvement (plant efficiency)

3 to 5 percent

Projected carbon dioxide emissions reductions

2,000 tons

Projected coal reductions

900 tons

Pilot project testing period

First quarter 2010 to December 2010



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