Cache CountyPower Outage History
What this grade means
Top 20% most reliable nationally — infrequent, short outages. This county ranks in the most reliable fifth of all US counties in our dataset, based on 12 years of real DOE outage records: outages happen less often here, and when they do occur they tend to be resolved quickly compared to the rest of the country. Baseline outage risk is low, though a severe local storm can still occasionally cause a longer-than-usual outage regardless of the long-term track record.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| May 14, 2023 | 10 hrs | 14,856 (29%) | High Wind |
| Jun 19, 2019 | <1 hr | 11,808 (23%) | Unnamed event |
| Aug 13, 2021 | 2 hrs | 11,023 (21%) | Unnamed event |
| Sep 8, 2020 | 39 hrs | 9,189 (18%) | Unnamed event |
| Oct 12, 2021 | 21 hrs | 8,369 (16%) | Winter Storm |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Cache County, Utah that day.
Over the 9 years from 2017 to 2025, Cache County recorded 289 distinct power outage events, averaging 2.0 hours per event.
The single worst outage on record in Cache County started May 14, 2023 (High Wind), lasting 10 hours and leaving up to 14,856 customers without power (29% of the county) at its peak.
July has historically been the worst month for outages in Cache County, with 52 events recorded during that month across the dataset.
Based on this history, Cache County earns a Reliability Grade of A, placing it in the 84th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Utah
Counties with the closest reliability grade and national percentile to Cache County.
| County | Grade | National percentile |
|---|---|---|
| San Juan County | A | 85th |
| Davis County | A | 80th |
| Uintah County | A | 88th |
| Utah County | A | 91st |
| Wasatch County | A | 92nd |
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 Cache County?
Between 2017 and 2025, Cache County recorded 289 outage events, averaging 2.0 hours each.
What is Cache County's reliability grade?
Cache County has a Reliability Grade of A, in the 84th national percentile.
What was the worst power outage in Cache County?
The worst outage on record started May 14, 2023 (High Wind), lasting 10 hours and affecting up to 14,856 customers.