San Juan CountyPower Outage History
2017–2025 · Utah
Top 20% most reliable nationally — infrequent, short outages.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Aug 29, 2019 | 2 hrs | 2,090 (31%) | Wildfire |
| Mar 19, 2025 | 9 hrs | 1,744 (26%) | Winter Storm |
| Jul 29, 2021 | 1 hrs | 912 (14%) | Drought |
| Aug 3, 2020 | 4 hrs | 895 (13%) | Unnamed event |
| Oct 31, 2017 | 22 hrs | 686 (10%) | Unnamed event |
Over the 9 years from 2017 to 2025, San Juan County recorded 151 distinct power outage events, averaging 2.5 hours per event.
The single worst outage on record in San Juan County started August 29, 2019 (Wildfire), lasting 2 hours and leaving up to 2,090 customers without power (31% of the county) at its peak.
August has historically been the worst month for outages in San Juan County, with 30 events recorded during that month across the dataset.
Based on this history, San Juan County earns a Reliability Grade of A, placing it in the 85th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for San Juan County's outage profile
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Outage-prep kit
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Similar counties in Utah
Counties with the closest reliability grade and national percentile to San Juan County.
| County | Grade | National percentile |
|---|---|---|
| Cache County | A | 84th |
| Uintah County | A | 88th |
| Davis County | A | 80th |
| Utah County | A | 91st |
| Wasatch County | A | 92nd |
Most reliable counties in Utah
The top 3 counties in Utah by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Daggett County | A | 98th |
| Kane County | A | 98th |
| Duchesne County | A | 97th |
Least reliable counties in Utah
The bottom 3 counties in Utah by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Morgan County | D | 25th |
| Beaver County | D | 34th |
| Summit County | D | 36th |
Most reliable counties nationally
The top 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | South Dakota | A | 100th |
| Clearwater County | Minnesota | A | 99th |
| Limestone County | Alabama | A | 99th |
Least reliable counties nationally
The bottom 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | West Virginia | F | 0th |
| Lincoln County | West Virginia | F | 0th |
| Cameron Parish | Louisiana | F | 0th |
FAQ
How often does power go out in San Juan County?
Between 2017 and 2025, San Juan County recorded 151 outage events, averaging 2.5 hours each.
What is San Juan County's reliability grade?
San Juan County has a Reliability Grade of A, in the 85th national percentile.
What was the worst power outage in San Juan County?
The worst outage on record started August 29, 2019 (Wildfire), lasting 2 hours and affecting up to 2,090 customers.