PowerOutageHistory
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Cache County Power Outage History

2017–2025 · Utah

Top 20% most reliable nationally — infrequent, short outages. How grades are calculated

Total events
289
Avg duration
2.0 hrs
Longest outage
39 hrs
National percentile
84th

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
May 14, 202310 hrs14,856 (29%)High Wind
Jun 19, 20191 hrs11,808 (23%)Unnamed event
Aug 13, 20212 hrs11,023 (21%)Unnamed event
Sep 8, 202039 hrs9,189 (18%)Unnamed event
Oct 12, 202121 hrs8,369 (16%)Winter Storm

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).

Sized for Cache County's outage profile

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Similar counties in Utah

Counties with the closest reliability grade and national percentile to Cache County.

CountyGradeNational percentile
San Juan CountyA85th
Davis CountyA80th
Uintah CountyA88th
Utah CountyA91st
Wasatch CountyA92nd

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.

Data: ORNL EAGLE-I Recorded Electricity Outages (2014–2025), CC BY 4.0. Storm names: NOAA Storm Events Database. Last data refresh: 2025. See methodology.