Humboldt County Power Outage History
2015–2025 · Nevada
Worse than average — more frequent or longer outages than most counties. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Aug 24, 2025 | 12 hrs | 8,373 (87%) | High Wind |
| Sep 4, 2019 | 2 hrs | 7,881 (82%) | Unnamed event |
| Apr 7, 2023 | 4 hrs | 5,199 (54%) | Heavy Snow |
| May 19, 2020 | 2 hrs | 5,170 (54%) | Unnamed event |
| May 9, 2019 | 2 hrs | 5,158 (54%) | Unnamed event |
Over the 11 years from 2015 to 2025, Humboldt County recorded 521 distinct power outage events, averaging 3.0 hours per event.
The single worst outage on record in Humboldt County started August 24, 2025 (High Wind), lasting 12 hours and leaving up to 8,373 customers without power (87% of the county) at its peak.
June has historically been the worst month for outages in Humboldt County, with 78 events recorded during that month across the dataset.
Based on this history, Humboldt County earns a Reliability Grade of D, placing it in the 30th percentile nationally for grid reliability (higher percentile = more reliable).
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Similar counties in Nevada
Counties with the closest reliability grade and national percentile to Humboldt County.
| County | Grade | National percentile |
|---|---|---|
| Douglas County | D | 35th |
| Pershing County | D | 36th |
| Mineral County | D | 20th |
| Esmeralda County | F | 17th |
| Lander County | F | 16th |
FAQ
How often does power go out in Humboldt County?
Between 2015 and 2025, Humboldt County recorded 521 outage events, averaging 3.0 hours each.
What is Humboldt County's reliability grade?
Humboldt County has a Reliability Grade of D, in the 30th national percentile.
What was the worst power outage in Humboldt County?
The worst outage on record started August 24, 2025 (High Wind), lasting 12 hours and affecting up to 8,373 customers.