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Rocky Mountain Generating Station

Key facts:

  • Power Production Capability: 580 megawatts Net Dependable Capability (as of summer 2014)
  • Commercial Operation: 2004
  • Generation type: Natural gas
  • Location: Keenesburg, Colorado


Rocky Mountain is a natural gas-fired, combined cycle generation plant. It has three operating units. The plant provides Colorado with environmentally responsible energy to help meet the need for electricity, while also providing needed diversification for the state's fuel mix.

Rocky Mountain was formerly owned by Calpine Corporation. Xcel Energy purchased the plant in 2010.

For More Information Contact 1-800-895-4999

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Have your home checked for leaky ducts, drafts around doors and windows, fireplace dampers, and other places where air might escape.

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Always call 811 before digging in your yard to avoid hitting buried gas or electric lines. Not only is it the safe thing to do, but it's the law.