PowerOutageHistory
Reliability Grade
A
Top tier
2019-2025
South Dakota

Jerauld CountyPower Outage History

20192025 · South Dakota
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What this grade means

(How grades are calculated)

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
Nationwide96th pct
In South Dakota#7 of 65
See full South Dakota rankings →
Total events
47
Recorded 2019–2025
Avg duration
2.1 hrs
Per outage event
Longest outage
7 hrs
Single worst event on record
Customers served
1,488
Utility customers in county

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Sep 10, 20213 hrs433 (29%)Drought
Aug 16, 20256 hrs181 (12%)Hail
Apr 3, 20245 hrs154 (10%)Unnamed event
Apr 30, 20206 hrs115 (8%)Unnamed event
Jun 9, 20204 hrs78 (5%)Unnamed event

Was There an Outage on a Specific Date?

Pick a date to see whether a power outage was recorded for Jerauld County, South Dakota that day.

Over the 7 years from 2019 to 2025, Jerauld County recorded 47 distinct power outage events, averaging 2.1 hours per event.

The single worst outage on record in Jerauld County started September 10, 2021 (Drought), lasting 3 hours and leaving up to 433 customers without power (29% of the county) at its peak.

July has historically been the worst month for outages in Jerauld County, with 8 events recorded during that month across the dataset.

Based on this history, Jerauld County earns a Reliability Grade of A, placing it in the 96th percentile nationally for grid reliability (higher percentile = more reliable).

Similar counties in South Dakota

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

CountyGradeNational percentile
Corson CountyA96th
Oglala Lakota CountyA96th
Hand CountyA96th
Dewey CountyA96th
Gregory CountyA98th

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 Jerauld County?

Between 2019 and 2025, Jerauld County recorded 47 outage events, averaging 2.1 hours each.

What is Jerauld County's reliability grade?

Jerauld County has a Reliability Grade of A, in the 96th national percentile.

What was the worst power outage in Jerauld County?

The worst outage on record started September 10, 2021 (Drought), lasting 3 hours and affecting up to 433 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.