West Main Natural Gas Pipeline Replacement Project

We are working to provide safe, reliable service



As part of our Pipeline Integrity Management Program, we are replacing approximately 77 miles of 95 miles of high pressure transmission pipeline between Westminster, Colo., and the Wyoming border. The additional pipe will be abandoned or switched to distribution uses. This work will ensure safe, reliable service to our current and new customers along the Front Range.

Work in Larimer and Weld counties started in 2012 and was completed in 2014. Work in Boulder County started in 2015 and is expected to continue through 2016.

This project is one of a package of pipeline integrity management programs and projects that are funded by the Pipeline System Integrity Adjustment (PSIA) rider that appears as a separate line item on Xcel Energy's natural gas customers' bills. We anticipate that in 2015, on a monthly bill, it will cost an average residential customer using 65 therms a month $1.88, and the average small business customer using 278 therms a month $8.04.

Latest News

Boulder County


Louisville Work Zone

Our construction along 96th Street/State Highway 42 (95th Street) near Louisville and Lafayette started in March. Construction crews are currently restoring work areas. Work for this segment is on schedule and is expected to be completed in September.

Northern Boulder County Construction

Construction on the remainder of our Boulder County project began in June. We are currently installing new pipeline using directional drilling at several locations in Longmont and northern Boulder County. In Longmont, we continue to install pipeline using directional drilling along Airport Road and Nelson Road, 9th Avenue, and Clover Basin Drive. In addition, we are preparing to work at the Burlington Northern Santa Fe Rail Road and Pike Road crossings.

North of Longmont we are working on installing new pipeline using directional boring along Yellowstone Road and 95th Street and along 87th Street and Journey Lane.

We are installing new pipeline using open trenching along 87th Street, west of Journey Lane, and along Table Mountain Road. We are also using open trenching to connect pipeline installed by directional bore at Larimer County Road 21 and Center Ridge Road in Larimer County.

In Longmont, we have traffic controls set up along Airport Road, from just south of Clover Basin Drive and north to Hygiene Road. Drivers can expect restricted turn lanes in this stretch of Airport Road, as well as flaggers directing and slowing traffic. We also have traffic controls set up along 95th Street and 87th Street.

See the map of our construction in Boulder County.


Additional Resources

Construction Door Hanger

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