County annual report · FIPS 41059
2025 Umatilla County, OR Power Outage Report
In 2025, customers in Umatilla County, OR went without power for an average of 3.1 hours, a total of 135K customer-hours (Oregon average 6.0 hours). That ranks 28th worst of 35 Oregon counties and 2021st of 3,000 nationally.
Compared with OR, the US and 2024
Coverage line is EAGLE-I's share of Oregon customers tracked each year.
Biggest outages in Umatilla County, 2025
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | July 2, 2025 15:00 | July 4, 2025 09:15 | 1d 18h | 7,833 | 10K |
| 2 | December 17, 2025 09:45 | December 18, 2025 20:45 | 1d 11h | 2,801 | 16K |
| 3 | December 24, 2025 16:00 | December 25, 2025 10:00 | 18h | 2,591 | 3,415 |
| 4 | May 25, 2025 16:15 | May 25, 2025 18:45 | 2h 30m | 2,392 | 5,977 |
| 5 | September 11, 2025 07:45 | September 12, 2025 01:00 | 17h 15m | 2,029 | 3,405 |
| 6 | July 1, 2025 13:00 | July 1, 2025 19:15 | 6h 15m | 1,863 | 3,906 |
| 7 | July 10, 2025 05:15 | July 10, 2025 22:15 | 17h | 1,859 | 2,620 |
| 8 | July 11, 2025 13:00 | July 11, 2025 16:15 | 3h 15m | 1,857 | 468 |
| 9 | July 7, 2025 07:15 | July 7, 2025 12:15 | 5h | 1,856 | 3,223 |
| 10 | September 17, 2025 04:00 | September 17, 2025 10:45 | 6h 45m | 1,506 | 1,232 |
Outage episodes by size in 2025: 83 reached 100+ customers, 19 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 Umatilla County reported on EIA Form 861 for 2025, 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 |
|---|---|---|---|---|---|
| PacifiCorp | 2024 | 4.6 hrs | 1.67 | 2.0 hrs | 1.11 |
| Columbia Power Coop Assn Inc | 2018 | 1.6 hrs | - | 1.6 hrs | - |
| Columbia Rural Elec Assn, Inc | 2024 | 4.3 hrs | 1.96 | 3.6 hrs | 1.96 |
| Umatilla Electric Coop Assn | 2024 | 3.5 hrs | 1.16 | 1.7 hrs | 0.77 |
| Bonneville Power Administration | - | - | - | - | - |
| Columbia Basin Elec Cooperative, Inc | - | - | - | - | - |
| City of Hermiston | - | - | - | - | - |
| City of Milton-Freewater- (OR) | - | - | - | - | - |
About this data
- Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about n/a of Oregon's customers in 2025; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 43,275 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. Umatilla County has data for 2017–2025.
Cite this report
MassOutage (massoutage.com), Umatilla County, OR annual power outage report, 2025, 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/2025/oregon/umatilla-county