Customer Support

Gas Cost Adjustment

Colorado Quarterly GCA

We adjust natural gas prices quarterly to reflect the market price of the commodity. All of these costs are passed through to you on a dollar-for-dollar basis through our Gas Cost Adjustment that has been approved by the Public Utilities Commission of the State of Colorado. We hope that by providing you this information each quarter, you will be better able to budget and adjust your energy usage. The information provided in the PDF link below shows only the prices that are changing this quarter and the average effect of those changes. It doesn't show the costs that are not changing.

You may also call our customer service regarding your natural gas bill at 1-800-895-4999.

Colorado Firm Historical Gas Price Service

View the historical price information provided in the PDF links below:

Gas Cost Adjustment (GCA) (PDF)
CO Residential Historical Gas Price (PDF)
CO Industrial Historical Gas Price (PDF)
CO Commercial Historical - Small Gas (PDF)
CO Commercial Historical - Large Gas (PDF)

Energy Saving Tip

Turn off your lights when you leave the room—even if you'll only be gone for a moment. Contemporary light bulbs require very little energy to turn "on."

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May is National Electric Safety Month

Before beginning an outdoor project, be aware of overhead electric lines and keep yourself, your ladders and tools at least 10 feet away from them.

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