Tucson Electric Power

Transmission Line Projects

General information on transmission line siting

• Frequently Asked Questions
• Arizona Corporation Commission Process

Follow the links below to learn more about TEP's transmission line projects.

• DeMoss Petrie Substation to Tucson Substation Transmission Line
• Pinal Central to Tortolita 500-kV Transmission Line
• Rosemont 138-kV Transmission Line Project
• Saguaro Substation to North Loop Substation Transmission Line Project
• Sahuarita-Nogales Transmission Line
• Vail Area 138kV System Project

For information about TEP's sister company UniSource Energy Services transmission line projects, click here.