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Electric Utility Company Service Information

Arizona Utility BorderArizona Utility Service Areas

Use the map below to find your service boundary.

Click here to download the map.

Tucson Electric PowerTucson Electric Power Utility Service Area

TEP's service territory is divided into 6 construction zones. Use the map to determine your construction contacts, which are listed below.

Click here to download the map


TRICO serves Northwest Tucson, Marana, Vail, Corona de Tucson, Sahuarita, Green Valley, Mt. Lemmon, Avra Valley, Three Points, and Arivaca.

                                      Click here to go to the TRICO website and view TRICO’s service area

Tohono O'odham Utility AuthorityTohono O’odham Utility Authority

Tohono O'odham Utility Authority, a tribal entity, was originally established in 1970 as the Papago Tribal Utility Authority (PTUA) by the Papago Tribal Council. The original charter authorized it to provide electric and water service to the reservation. Today, TOUA's service delivery area includes the main reservation and the San Xavier District, located southwest of Tucson.

Click here to go to the Tohono O’odham Nation website
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Pima County Solar One Stop (520) 740-6463

The Solar One Stop is a multi-agency, collaborative effort led by Pima County and the City of Tucson, with funding provided by the U.S. Department of Energy's (DOE) Solar America Communities Initiative. The goal of the program is to spread the news about affordable, quality, and efficient solar technologies for homes and businesses.
You can also visit us at:
Pima County Development Services
201 N. Stone, 1st Floor
Tucson, AZ 85701
Monday through Friday from 8AM to 4PM
(520) 740-6463