Electric companies in Arizona
42 electric utilities serve Arizona, according to US EIA-861 service-territory filings and live outage feeds. The largest by customers is Arizona Public Service Co, with about 1,433,294 customers in Arizona (US EIA-861, 2025).
Territory is filed by county, so a county can list several utilities; usually only one serves a given address, and your electric bill names it.
Find yours by ZIP code
Every electric utility in Arizona
Largest first, by customers on its lines in Arizona (US EIA-861, 2025). “Live” is whether MassOutage can see its outages.
Electric utilities by county
Each county's utilities, largest in the state first. The county name opens its live outage page.
- Apache County
- Arizona Public Service Co, Navopache Electric Coop, Inc, Navajo Tribal Utility Authority, WAPA-- Western Area Power Administration
- Cochise County
- Arizona Public Service Co, Tucson Electric Power Co, Trico Electric Cooperative Inc, Sulphur Springs Valley E C Inc, Columbus Electric Coop, Inc, WAPA-- Western Area Power Administration
- Coconino County
- Arizona Public Service Co, Mohave Electric Cooperative, Inc., Navajo Tribal Utility Authority, Page Utility Enterprises, City of Williams - AZ, Garkane Energy Coop, Inc, Town of Fredonia - (AZ), WAPA-- Western Area Power Administration
- Gila County
- Arizona Public Service Co, Salt River Project, Navopache Electric Coop, Inc, USBIA-San Carlos Project, WAPA-- Western Area Power Administration
- Graham County
- Arizona Public Service Co, Sulphur Springs Valley E C Inc, USBIA-San Carlos Project, Graham County Electric Coop Inc, City of Safford - (AZ), Town of Thatcher- (AZ), Duncan Valley Elec Coop, Inc
- Greenlee County
- Arizona Public Service Co, Navopache Electric Coop, Inc, Morenci Water and Electric, Duncan Valley Elec Coop, Inc
- La Paz County
- Arizona Public Service Co, Colorado River Indian Irr Proj, McMullen Valley Water C&D Dist, WAPA-- Western Area Power Administration, Southern California Edison Co
- Maricopa County
- Arizona Public Service Co, Salt River Project, City of Mesa - (AZ), USBIA-San Carlos Project, Tohono O'Odham Utility Authority, Gila River Indian Utility Authority (GRICUA), Town of Wickenburg, Electrical Dist No8 Maricopa, Ocotillo Water Conserv. Dist., Buckeye Water C&D District, Harquahala Valley Pwr District, Maricopa County M W C Dist #1, WAPA-- Western Area Power Administration
- Mohave County
- Arizona Public Service Co, UNS Electric, Inc, Mohave Electric Cooperative, Inc., Dixie Escalante R E A, Inc, Garkane Energy Coop, Inc, Aha Macav Power Service, WAPA-- Western Area Power Administration
- Pima County
- Arizona Public Service Co, Tucson Electric Power Co, Trico Electric Cooperative Inc, Sulphur Springs Valley E C Inc, USBIA-San Carlos Project, Tohono O'Odham Utility Authority, Ajo Improvement Co, WAPA-- Western Area Power Administration
- Pinal County
- Arizona Public Service Co, Salt River Project, Trico Electric Cooperative Inc, Electrical Dist No3 Pinal County, USBIA-San Carlos Project, Electrical Dist No2 Pinal County, Tohono O'Odham Utility Authority, Gila River Indian Utility Authority (GRICUA), Electrical Dist No4 Pinal County, Hohokam Irr & Drain Dist, Ak-Chin Electric Utility Authority, WAPA-- Western Area Power Administration
- Santa Cruz County
- Arizona Public Service Co, UNS Electric, Inc, Trico Electric Cooperative Inc, Sulphur Springs Valley E C Inc
Electric companies in Arizona: FAQ
- How many electric companies serve Arizona?
- 42 electric utilities serve Arizona, according to US EIA-861 service-territory filings and live outage feeds.
- What is the largest electric company in Arizona?
- Arizona Public Service Co, with about 1,433,294 customers in Arizona (US EIA-861, 2025).
- Which electric company serves my address in Arizona?
- Your electric bill names it. Service territory is filed by county, so MassOutage lists the utilities serving each Arizona county; usually only one of them serves a given address, and a utility can tell you whether it serves yours.
- Who do I call to report a power outage in Arizona?
- Your electric utility. MassOutage has an outage phone line, report page or outage map on file for 0 of the 42 utilities serving Arizona, listed above; for the others, check your bill or the utility's website. For a downed power line, stay at least 35 feet away and call 911.
Live power outages in Arizona →
Data from EIA Form 861 (utility reliability), every source we read. Service territory and customer counts are each utility's own EIA-861 filing; a utility a live outage feed has reported in a county is listed there too.