State · EIA Form 861 · AZ
Arizona
According to the U.S. Energy Information Administration's EIA Form 861, SAIDI and SAIFI for Arizona utilities come from the federal annual survey. 13 utilities report reliability metrics; figures are customer-weighted state averages, not a guarantee for any single address.
Signature read: short chronic outage minutes relative to the 51-state Form 861 cohort (<=156 min tercile cut).
EIA Form 861 · Continuity Brief
Arizona
EIA Form 861 Continuity Brief · August 2026 · IEEE 1366 SAIDI/SAIFI minutes, not a storm forecast.
Arizona sits in the lower-third SAIDI band at 106.9 minutes across 13 reporting utilities (Dixie Escalante R E A, Inc lowest at 56.6), under the live national mean of 341.
Named SAIDI peers (in-state best + nearest-state averages)
State SAIDI neighbourhood (minutes / customer-year)
- Arizona 106.9
- Delaware 108.2
- New Jersey 108.3
- Iowa 105.2
- Rhode Island 104.6
- Colorado 99.4
Lower is fewer interruption minutes. Neighbours are nearest other-state averages in this corpus.
Arizona vs all states by EIA Form 861 utility headcount
Where this state's reporting utility count sits among every state in the Form 861 file (coverage density, not reliability quality)
13 Top 57% more reporting utilities than 43% of 51 states
States, banded by electric utilities reporting on EIA Form 861
Each bar is a band; taller bars hold more states. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source EIA Form 861 · 2026-08-30
Utilities Ranked by Reliability · Arizona short-outage cohort
All 13 electric utilities in Arizona with reliability data, sorted by 2023 SAIDI; statewide average sits in the lower-third Form 861 band.
Lowest-SAIDI utilities in Arizona
Fewest outage minutes · live table sort
Top 10 Arizona utilities by fewest outage minutes. Lower SAIDI is better - not a quality score beyond interruption duration.
Lowest-SAIDI utilities in Arizona
| # | Utility | Type | SAIDI 2023 | SAIFI 2023 | Customers |
|---|---|---|---|---|---|
| 1 | Dixie Escalante R E A, Inc | Cooperative | 56.6 | 0.69 | 28,009 |
| 2 | Salt River Project | Municipal | 70.0 | 1.01 | 1,141,630 |
| 3 | Electrical Dist No3 Pinal County | Municipal | 73.0 | 1.22 | 30,420 |
| 4 | City of Mesa - (AZ) | Municipal | 86.2 | 1.01 | 17,787 |
| 5 | Arizona Public Service Co | IOU | 98.6 | 0.88 | 1,370,930 |
| 6 | Sulphur Springs Valley E C Inc | Cooperative | 136.7 | 1.13 | 53,435 |
| 7 | Mohave Electric Cooperative, Inc. | Cooperative | 141.3 | - | 44,428 |
| 8 | Gila River Indian Utility Authority (GRICUA) | Cooperative | 160.3 | 2.32 | 3,369 |
| 9 | UNS Electric, Inc | IOU | 164.8 | 0.78 | 106,045 |
| 10 | Tucson Electric Power Co | IOU | 168.7 | 0.98 | 449,674 |
| 11 | Electrical Dist No2 Pinal County | Municipal | 177.7 | - | 6,124 |
| 12 | Trico Electric Cooperative Inc | Cooperative | 237.9 | 1.17 | 52,926 |
| 13 | Navajo Tribal Utility Authority | State | 435.6 | 4.53 | 30,628 |
Nationwide states with similar utility inventory or customer scale
Cross-state peer sets for Arizona (lower-third SAIDI band). Nearest-SAIDI neighbors stay in Read-with; these neighborhoods compare EIA Form 861 headcount and summed customer accounts.
Similar utility headcount
Nearest states by reporting utility count (13 here).
Similar customer scale
Nearest states by summed customer accounts (3.3M here), excluding the headcount peer set.
Read with this Arizona roster · short-outage band
- Lowest published SAIDI in Arizona: Dixie Escalante R E A, Inc (56.6 min)
- Highest published SAIDI in Arizona: Navajo Tribal Utility Authority (435.6 min)
- Ownership mix here: Cooperative leads (5 of 13 utilities) · national type means
- Nearest avg SAIDI: Delaware (108.2 min)
- Nearest avg SAIDI: New Jersey (108.3 min)
- Nearest avg SAIDI: Iowa (105.2 min)
- Nearest avg SAIDI: Rhode Island (104.6 min)
- Nearest avg SAIDI: Colorado (99.4 min)
Source: U.S. Energy Information Administration (EIA) Form 861 Annual Electric Power Industry Report, reliability · 2020-2023 State averages are rebuilt from utility filings in this portal DB; corpus ranks use headcount and customer sums.