By Matthew Holloway |
During its meeting on September 5th, the Arizona Corporation Commission (ACC), led by Republican Commissioner Nick Myers, voted unanimously to approve a Certificate of Environmental Compatibility (CEC) allowing the Midtown Reliability Project of the Tucson Electric Power (TEP) company to move forward.
The project is a comprehensive upgrade to the now-overloaded 46 kV high-voltage transmission lines that run through midtown Tucson to a “more flexible, higher voltage” 138 kV monopole line above ground, according to a press release from the Commission.
A major controversy unfolded with some in Tucson calling upon the ACC to select a partially underground routing that would increase the cost of the project by millions of dollars and meet the expense through an end-user fee.
Commissioner Myers commented after the vote, “I understand why some Tucson residents would want this project constructed below ground. However, constructing the project below ground is not needed for safety, reliability or other utility operational reasons; therefore, it is not acceptable for all TEP customers to shoulder the $67 million cost for undergrounding the project.”
He added, “I am pleased the Commission approved this important grid-reliability project, while at the same time protecting TEP customers from unnecessary undergrounding expenses.”
In a corresponding press release, TEP explained, “The ACC voted unanimously today to authorize above-ground construction along TEP’s preferred route for the project, which primarily follows West Grant Road, North Park Avenue, Euclid Avenue and East 36th Street to link two TEP substations to the planned Vine Substation north of the University of Arizona campus. The ACC also authorized construction along an alternative route. An interactive map of the approved corridors can be viewed online.”
The utility added a timeframe saying, “With growing energy demands nearly reaching the capacity of existing, lower-voltage facilities, TEP will work to complete the transmission line and substation by the summer of 2027 to maintain service reliability.”
Myers’ fellow Republican, ACC Chairman Jim O’Connor, told KOLD, “A big kudo to the parties for finding a solution that will enable this project to move forward. This transmission project will further enhance reliability and modernize a critical portion of our electric grid in Tucson.”
The local outlet noted that a sticking point for the project has been pushback from the midtown community and many advocating for subterranean lines. In 2023, KOLD’s Jack Cooper wrote in a post to X that the opposition to the above-ground routing were “worried about property values and want the lines buried.” However, as the ACC noted in its release, “The Commission unanimously decided to protect ratepayers from that financial impact.”
Matthew Holloway is a reporter for AZ Free News. Follow him on X for his latest stories, or email tips to Matthew@azfreenews.com.
