PowerOutageHistory
B

Sanpete County Power Outage History

20172025 · Utah

Better than average — fewer or shorter outages than most counties. How grades are calculated

Total events
395
Avg duration
2.4 hrs
Longest outage
17 hrs
National percentile
65th

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Mar 29, 20172 hrs6,708 (78%)Unnamed event
Jun 15, 20242 hrs2,810 (33%)Unnamed event
Oct 8, 20240 hrs2,406 (28%)Unnamed event
Oct 24, 20221 hrs2,344 (27%)Unnamed event
Aug 3, 20205 hrs2,340 (27%)Unnamed event

Over the 9 years from 2017 to 2025, Sanpete County recorded 395 distinct power outage events, averaging 2.4 hours per event.

The single worst outage on record in Sanpete County started March 29, 2017, lasting 2 hours and leaving up to 6,708 customers without power (78% of the county) at its peak.

August has historically been the worst month for outages in Sanpete County, with 48 events recorded during that month across the dataset.

Based on this history, Sanpete County earns a Reliability Grade of B, placing it in the 65th percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Sanpete County's outage profile

See more picks in our Best Small Power Stations (Under 1,000Wh) roundup.

Outage-prep kit

See our outage-prep guides.

Similar counties in Utah

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

CountyGradeNational percentile
Iron CountyB66th
Millard CountyB63rd
Box Elder CountyB62nd
Tooele CountyB70th
Salt Lake CountyB70th

FAQ

How often does power go out in Sanpete County?

Between 2017 and 2025, Sanpete County recorded 395 outage events, averaging 2.4 hours each.

What is Sanpete County's reliability grade?

Sanpete County has a Reliability Grade of B, in the 65th national percentile.

What was the worst power outage in Sanpete County?

The worst outage on record started March 29, 2017, lasting 2 hours and affecting up to 6,708 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.