Official EIA-861 State Grid Summary
Arizona Power Outage Risk, Electric Utilities & Generator Sizing
Arizona households average 1.5 hrs/yr (88 minutes/year) of total blackout duration across 0.99 outages/year (Reliability Grade A — Low Outage Risk), with an average residential electricity rate of 14.98 ¢/kWh.
Interactive Appliance Load Calculator
⚡ Home Backup Wattage Sizer for Arizona
Check the appliances you need to keep running during a blackout. We calculate your continuous running watts, highest motor starting surge, and 20% NEC safety headroom automatically.
Live Sizing Result (+20% Headroom)
3,000 W
Recommended Minimum Generator / Inverter Rating
1,250 WContinuous Running
2,250 WPeak Motor Surge
Top Cities & Towns in Arizona
Phoenix→Tucson→Mesa→Gilbert→Chandler→Glendale→Scottsdale→Peoria→Tempe→Surprise→Goodyear→Buckeye→Yuma→Avondale→Queen Creek→Flagstaff→Maricopa→Casa Grande→Marana→Lake Havasu→Prescott Valley→Oro Valley→Prescott→Sierra Vista→Apache Junction→Bullhead→San Luis→Sahuarita→El Mirage→Kingman→Florence→Fountain Hills→Nogales→Coolidge→Eloy→Payson→Douglas→Somerton→Chino Valley→Cottonwood→Camp Verde→Paradise Valley→Show Low→Safford→Sedona→Tolleson→Winslow→Wickenburg→Page→Globe→Youngtown→Litchfield Park→Snowflake→Thatcher→Benson→Guadalupe→Cave Creek→Bisbee→Clarkdale→Holbrook→Dewey-Humboldt→South Tucson→Eagar→Taylor→Pinetop-Lakeside→Clifton→Carefree→Williams→Parker→St. Johns→Colorado→Willcox→Pima→Superior→Wellton→Star Valley→Quartzsite→Kearny→Gila Bend→Springerville→Huachuca→Miami→Tombstone→Fredonia→Mammoth→
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Electric Utilities Operating in Arizona (EIA Form 861)
| Utility Name | Ownership | Customers | Outages/Yr | Annual Outage Time | Avg Restoration | Residential Rate |
|---|---|---|---|---|---|---|
| Arizona Public Service Co (#803) | Investor-Owned | 1,256,120 | 0.93x/yr | 87 min (1.5h) | 94 min | 16.45 ¢/kWh |
| Salt River Project (#16572) | Political Subdivision | 1,053,407 | 0.95x/yr | 58 min (1.0h) | 61 min | 13.46 ¢/kWh |
| Tucson Electric Power Co (#24211) | Investor-Owned | 412,747 | 0.99x/yr | 113 min (1.9h) | 114 min | 15.63 ¢/kWh |
| UNS Electric, Inc (#19728) | Investor-Owned | 95,191 | 0.79x/yr | 72 min (1.2h) | 92 min | 16.02 ¢/kWh |
| Trico Electric Cooperative Inc (#19189) | Cooperative | 52,450 | 1.03x/yr | 150 min (2.5h) | 146 min | 14.17 ¢/kWh |
| Sulphur Springs Valley E C Inc (#18280) | Cooperative | 46,008 | 1.32x/yr | 138 min (2.3h) | 105 min | 13.49 ¢/kWh |
| Mohave Electric Cooperative, Inc. (#21538) | Cooperative | 41,009 | 1.00x/yr | 171 min (2.8h) | 100 min | 11.20 ¢/kWh |
| Navopache Electric Coop, Inc (#13318) | Cooperative | 40,076 | 0.99x/yr | 88 min (1.5h) | 89 min | 13.43 ¢/kWh |
| Electrical Dist No3 Pinal County (#30518) | Political Subdivision | 32,009 | 1.55x/yr | 132 min (2.2h) | 85 min | 13.93 ¢/kWh |
| Navajo Tribal Utility Authority (#13314) | State | 27,014 | 3.59x/yr | 507 min (8.4h) | 141 min | 16.63 ¢/kWh |
| City of Mesa - (AZ) (#12351) | Municipal | 15,331 | 1.52x/yr | 64 min (1.1h) | 42 min | 16.93 ¢/kWh |
| USBIA-San Carlos Project (#19604) | Federal | 11,432 | 0.99x/yr | 88 min (1.5h) | 89 min | 19.49 ¢/kWh |
| Graham County Electric Coop Inc (#7456) | Cooperative | 8,504 | 0.99x/yr | 88 min (1.5h) | 89 min | 12.27 ¢/kWh |
| City of Safford - (AZ) (#16538) | Municipal | 6,162 | 0.99x/yr | 88 min (1.5h) | 89 min | 13.17 ¢/kWh |
| Electrical Dist No2 Pinal County (#15048) | Political Subdivision | 5,218 | 0.81x/yr | 53 min (0.9h) | 66 min | 13.26 ¢/kWh |
| Page Utility Enterprises (#14373) | Municipal | 4,580 | 0.99x/yr | 88 min (1.5h) | 89 min | 10.15 ¢/kWh |
| Wellton-Mohawk Irr & Drain Dist (#25060) | Political Subdivision | 4,254 | 0.99x/yr | 88 min (1.5h) | 89 min | 14.72 ¢/kWh |
| Tohono O'Odham Utility Authority (#14543) | Political Subdivision | 4,020 | 0.99x/yr | 88 min (1.5h) | 89 min | 12.52 ¢/kWh |
| Electrical Dist No4 Pinal County (#15049) | Political Subdivision | 3,274 | 0.99x/yr | 88 min (1.5h) | 89 min | 7.73 ¢/kWh |
| Town of Thatcher- (AZ) (#18805) | Municipal | 3,040 | 0.99x/yr | 88 min (1.5h) | 89 min | 12.40 ¢/kWh |
| Dixie Escalante R E A, Inc (#40165) | Cooperative | 2,790 | 0.60x/yr | 55 min (0.9h) | 92 min | 9.60 ¢/kWh |
| Gila River Indian Utility Authority (GRICUA) (#65261) | Cooperative | 2,682 | 4.41x/yr | 268 min (4.5h) | 61 min | 14.25 ¢/kWh |
| City of Williams - AZ (#56535) | Municipal | 2,304 | 0.99x/yr | 88 min (1.5h) | 89 min | 13.18 ¢/kWh |
| Duncan Valley Elec Coop, Inc (#5438) | Cooperative | 2,284 | 0.99x/yr | 88 min (1.5h) | 89 min | 14.45 ¢/kWh |
| Morenci Water and Electric (#12919) | Investor-Owned | 2,232 | 0.99x/yr | 88 min (1.5h) | 89 min | 11.23 ¢/kWh |
| Hohokam Irr & Drain Dist (#8700) | Political Subdivision | 2,071 | 0.99x/yr | 88 min (1.5h) | 89 min | 13.82 ¢/kWh |
| Colorado River Indian Irr Proj (#3990) | Federal | 1,866 | 0.99x/yr | 88 min (1.5h) | 89 min | 11.45 ¢/kWh |
| Town of Wickenburg (#20618) | Municipal | 1,499 | 0.99x/yr | 88 min (1.5h) | 89 min | 9.47 ¢/kWh |
| Garkane Energy Coop, Inc (#6957) | Cooperative | 1,401 | 1.00x/yr | 719 min (12.0h) | 100 min | 11.51 ¢/kWh |
| City of Fredonia - (AZ) (#6753) | Municipal | 832 | 0.99x/yr | 88 min (1.5h) | 89 min | 9.25 ¢/kWh |
| Ajo Improvement Co (#176) | Investor-Owned | 821 | 0.99x/yr | 88 min (1.5h) | 89 min | 12.56 ¢/kWh |
| Aha Macav Power Service (#58123) | Political Subdivision | 645 | 0.99x/yr | 88 min (1.5h) | 89 min | 11.09 ¢/kWh |
| Columbus Electric Coop, Inc (#4071) | Cooperative | 522 | 0.99x/yr | 88 min (1.5h) | 89 min | 14.57 ¢/kWh |
| Ak-Chin Electric Utility Authority (#25866) | State | 319 | 0.99x/yr | 88 min (1.5h) | 89 min | 12.95 ¢/kWh |
| Roosevelt Irrigation District (#16273) | Political Subdivision | 247 | 0.99x/yr | 88 min (1.5h) | 89 min | 8.62 ¢/kWh |