A new double-circuit 345 kilovolt transmission line that connects Xcel Energy’s existing Pawnee Substation near Brush, Colorado and its Smoky Hill Substation near Aurora, Colorado was completed in June 2013. The line provides additional generation outlets in northeast Colorado, including wind energy, and improves system reliability. View map (PDF)
This project consists of approximately 82 miles of 345 kilovolt transmission line between the Midway Substation, which is located just south of Colorado Springs and the Waterton Substation, southwest of the Denver metro area near Chatfield Reservoir. View map (PDF)
The project will facilitate potential generation resources in Energy Resource Zones 5, while improving system reliability. As other SB100 projects are developed, this project can also facilitate potential generation resources from Energy Resource Zones 3 and 4.
The new Missile Site 230 kilovolt Switching Station near Deer Trail was commissioned and declared in-service November 22, 2010. The Switching Station taps into the existing Pawnee-Daniels Park 230 kilovolt transmission line. The project includes a new 345 kV substation expansion that was constructed in parallel with the Pawnee to Smoky Hill 345 kilovolt transmission project. View map (PDF)
The new Missile Site 345 kV Substation, completed in 2013 consists of a new 345 kilovolt substation expansion with was constructed jointly with the Pawnee-Smoky Hill 345 kilovolt transmission project. View map (PDF)
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