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New Transmission Line Route Proposed for Alamosa-Antonito Project

Nov. 10, 2022
The proposed project, a 40-mile long 69-kilovolt transmission line in Alamosa and Conejos counties primarily follows Highway 285, county roads and field boundaries.

Xcel Energy has proposed a route for a new transmission line that will rebuild infrastructure in the region, replace an aging power line, and deliver continued reliability and safety for southern Colorado.

The proposed project, a 40-mile long 69-kilovolt transmission line in Alamosa and Conejos counties primarily follows Highway 285, county roads and field boundaries. This proposal will replace an existing aging project that has reached the end of its useful life and must be replaced. The new line will meet updated system and electrical requirements, including the use of fire-resistant steel, and will improve electric service for customers in the region. Because the existing power line must remain energized to serve customers in the region during construction, a new route was required for this project.

Rebuilding the Alamosa to Antonito transmission line is part of the comprehensive Xcel Energy wildfire mitigation plan that includes reviewing, upgrading and rebuilding aging infrastructure around the region to increase safety and limit the possibility of wildfires associated with transmission infrastructure.

"Xcel Energy is committed to delivering reliable, safe and affordable electricity for our customers, and rebuilding projects like the Alamosa to Antonito transmission line help deliver on that promise," said Ashley Valdez, area manager, communities and local government affairs serving Southern Colorado. "This new route proposal is the result of significant feedback provided by local community members and helps meet the needs of the San Luis Valley."

Public participation key to new transmission line development

For nearly a year, Xcel Energy has worked with community stakeholders and landowners to identify a route that minimizes impacts to landowners and agricultural operations, while also delivering reliability, safety and meeting system needs. Open houses were held in November 2021 and March 2022 to solicit feedback on potential route options and land use concerns.

Permit applications will be filed with Alamosa and Conejos counties, which have similar review processes. Alamosa County will review the permit application at an upcoming Board of County Commissioners meeting. Conejos County's Planning Commission will hold a public hearing and provide a recommendation to the Board of County Commissioners which will decide whether to approve the application. The hearings will be scheduled in the coming weeks following initial review of the applications.

Construction expected in 2023

Following approval of the permits, Xcel Energy will begin working with landowners to purchase easements and begin planning for construction, which is expected to begin in late 2023.

Additional information is available by calling 1-855-839-8865, emailing [email protected] or visiting www.xcelenergy.com/AlamosatoAntonito.

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