Malheur County Power Outage History
2018–2025 · Oregon
Top 20% most reliable nationally — infrequent, short outages. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Jan 16, 2020 | 1 hrs | 20,012 (99%) | Unnamed event |
| May 12, 2025 | 2 hrs | 4,899 (24%) | Unnamed event |
| Jun 26, 2024 | 13 hrs | 4,267 (21%) | Thunderstorm Wind |
| Jun 5, 2025 | 1 hrs | 4,100 (20%) | Unnamed event |
| Jun 20, 2025 | 2 hrs | 3,306 (16%) | Unnamed event |
Over the 8 years from 2018 to 2025, Malheur County recorded 265 distinct power outage events, averaging 2.4 hours per event.
The single worst outage on record in Malheur County started January 16, 2020, lasting 1 hours and leaving up to 20,012 customers without power (99% of the county) at its peak.
August has historically been the worst month for outages in Malheur County, with 34 events recorded during that month across the dataset.
Based on this history, Malheur County earns a Reliability Grade of A, placing it in the 83rd percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Malheur County's outage profile
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Similar counties in Oregon
Counties with the closest reliability grade and national percentile to Malheur County.
| County | Grade | National percentile |
|---|---|---|
| Hood River County | A | 82nd |
| Morrow County | A | 81st |
| Deschutes County | A | 87th |
| Gilliam County | B | 77th |
| Union County | B | 74th |
FAQ
How often does power go out in Malheur County?
Between 2018 and 2025, Malheur County recorded 265 outage events, averaging 2.4 hours each.
What is Malheur County's reliability grade?
Malheur County has a Reliability Grade of A, in the 83rd national percentile.
What was the worst power outage in Malheur County?
The worst outage on record started January 16, 2020, lasting 1 hours and affecting up to 20,012 customers.