Customer Support

Natural Gas Excess Flow Valves and Eligibility

Xcel Energy’s residential, multi-family, and small commercial customers can now request installation of an excess flow valve (EFV) on their natural gas service lines. A new regulation from the federal Pipeline and Hazardous Materials Safety Administration has expanded the use of these valves, which have been installed on new or replacement services lines for the past several years.

An EFV is a safety device installed inside a natural gas service line near its connection with our underground main pipeline, typically in or along streets. The purpose of the valve is to shut off the flow of natural gas in the event of a gas line break caused by excavation or other activities that could sever a service line.

While any customer can request an EFV, not all existing service lines can be retrofitted to accommodate one. The amount of natural gas used by the customer and the system pressure inside the line are two determining factors.

The average customer cost for an excess flow valve is approximately $1,100, but the actual cost may vary due to installation conditions.  

Please call Xcel Energy’s Builders Call Line at 800-628-2121 to speak with an Xcel Energy representative if you are interested in an excess flow valve. We will determine if your existing service line qualifies for the installation of an EFV before working with you to set an installation date. 

Additional Resources

Spanish: Válvulas de flujo excesivo de gas natural y requisitos (PDF)

Hmong: Kev muaj cai thiab tau txais kev dhos lub qhib kaw roj cua (PDF)

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