County annual report · FIPS 04001
2019 Apache County, AZ Power Outage Report
In 2019, customers in Apache County, AZ went without power for an average of 0.7 hours, a total of 19K customer-hours (Arizona average 1.3 hours). That ranks 10th worst of 13 Arizona counties and 2625th of 2,945 nationally.
Compared with AZ, the US and 2018
Coverage line is EAGLE-I's share of Arizona customers tracked each year.
Biggest outages in Apache County, 2019
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | May 7, 2019 18:15 | May 7, 2019 19:00 | 45m | 3,958 | 2,032 |
| 2 | May 7, 2019 05:00 | May 7, 2019 05:30 | 30m | 2,612 | 1,306 |
| 3 | November 21, 2019 00:15 | November 23, 2019 22:00 | 2d 21h | 940 | 14K |
| 4 | April 28, 2019 13:30 | April 28, 2019 16:45 | 3h 15m | 74 | 88 |
| 5 | April 1, 2019 01:45 | April 1, 2019 05:15 | 3h 30m | 69 | 208 |
| 6 | December 21, 2019 21:30 | December 21, 2019 22:00 | 30m | 69 | 35 |
| 7 | July 31, 2019 15:15 | July 31, 2019 17:15 | 2h | 65 | 130 |
| 8 | April 12, 2019 15:30 | April 12, 2019 16:30 | 1h | 59 | 59 |
| 9 | October 12, 2019 10:15 | October 12, 2019 13:30 | 3h 15m | 58 | 103 |
| 10 | December 10, 2019 18:00 | December 10, 2019 20:15 | 2h 15m | 39 | 69 |
Outage episodes by size in 2019: 3 reached 100+ customers, 2 reached 1,000+ customers, 0 reached 10,000+ customers.
Utility reliability filed with the EIA
SAIDI (average outage time per customer) and SAIFI (average interruptions per customer) that utilities serving Apache County reported on EIA Form 861 for 2019, or their most recent earlier filing. Utility-wide figures, not county-specific.
| Utility | EIA year | SAIDI | SAIFI | SAIDI excl. major events | SAIFI excl. major events |
|---|---|---|---|---|---|
| Arizona Public Service Co | 2018 | 2.6 hrs | 1.08 | 86 min | 0.84 |
| WAPA-- Western Area Power Administration | - | - | - | - | - |
| Navajo Tribal Utility Authority | - | - | - | - | - |
| Navopache Electric Coop, Inc | - | - | - | - | - |
About this data
- Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 86% of Arizona's customers in 2019; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 29,549 customers (ORNL modeled county customer count), including major storm days. It is comparable across counties but is not the SAIDI a utility files.
- An outage event is a continuous stretch with customers out; counts at 100, 1,000 and 10,000+ use its peak.
- Years loaded: 2015–2025. Apache County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Apache County, AZ annual power outage report, 2019, data as of Oct 3, 2026 02:41 UTC, sources: DOE EAGLE-I (https://eagle-i.doe.gov/); EAGLE-I modeled customer counts (MCC) (https://figshare.com/); EIA Form 861 (utility reliability) (https://www.eia.gov/electricity/data/eia861/). https://massoutage.com/reports/2019/arizona/apache-county