Substation Projects
Marana Substation Rebuild
Trico is rebuilding the Marana Substation to expand capacity, modernize equipment, and improve overall reliability for a rapidly growing service area. The project includes a new 50 MVA transformer, a rebuilt 24.9 kV side, and upgraded busbar configuration supporting ten feeders to better serve current and future loads. The expected completion date is May 22, 2026.
Update
Date Posted
Construction started.
October 1, 2025
There are no current Substation projects.
