Transmission Line Projects
General information on transmission line siting
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.











