PowerOutageHistory
Reliability Grade
A
Top tier
2017-2025
Utah

Wasatch CountyPower Outage History

20172025 · Utah
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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.

Takeaway
Low outage risk
Reliability Rank
Fuller bar = more reliable
Nationwide92nd pct
In Utah#6 of 28
See full Utah rankings →
Total events
200
Recorded 2017–2025
Avg duration
2.5 hrs
Per outage event
Longest outage
20 hrs
Single worst event on record
Customers served
21,144
Utility customers in county

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Oct 4, 20251 hrs2,845 (13%)Unnamed event
Jan 28, 20253 hrs2,812 (13%)Avalanche
Aug 16, 20231 hrs2,586 (12%)Unnamed event
Dec 28, 202213 hrs2,475 (12%)High Wind
May 23, 20202 hrs2,238 (11%)Unnamed event

Was There an Outage on a Specific Date?

Pick a date to see whether a power outage was recorded for Wasatch County, Utah that day.

Over the 9 years from 2017 to 2025, Wasatch County recorded 200 distinct power outage events, averaging 2.5 hours per event.

The single worst outage on record in Wasatch County started October 4, 2025, lasting 1 hours and leaving up to 2,845 customers without power (13% of the county) at its peak.

August has historically been the worst month for outages in Wasatch County, with 29 events recorded during that month across the dataset.

Based on this history, Wasatch County earns a Reliability Grade of A, placing it in the 92nd percentile nationally for grid reliability (higher percentile = more reliable).

Similar counties in Utah

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

CountyGradeNational percentile
Washington CountyA92nd
Utah CountyA91st
Wayne CountyA94th
Uintah CountyA88th
Duchesne CountyA97th

Most reliable counties nationally

The top 3 counties nationally by reliability grade and percentile.

CountyStateGradeNational percentile
Clay CountySouth DakotaA100th
Clearwater CountyMinnesotaA99th
Limestone CountyAlabamaA99th

Least reliable counties nationally

The bottom 3 counties nationally by reliability grade and percentile.

FAQ

How often does power go out in Wasatch County?

Between 2017 and 2025, Wasatch County recorded 200 outage events, averaging 2.5 hours each.

What is Wasatch County's reliability grade?

Wasatch County has a Reliability Grade of A, in the 92nd national percentile.

What was the worst power outage in Wasatch County?

The worst outage on record started October 4, 2025, lasting 1 hours and affecting up to 2,845 customers.

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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.