PowerOutageHistory
Reliability Grade
A
Top tier
2014-2025
Minnesota

Nobles CountyPower Outage History

20142025 · Minnesota
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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
Nationwide98th pct
In Minnesota#9 of 85
See full Minnesota rankings →
Total events
22
Recorded 2014–2025
Avg duration
3.3 hrs
Per outage event
Longest outage
20 hrs
Single worst event on record
Customers served
9,010
Utility customers in county

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Jun 11, 20253 hrs1,158 (13%)Unnamed event
Aug 6, 2025<1 hr1,152 (13%)Hail
Jun 19, 20152 hrs736 (8%)Hail
Sep 30, 20253 hrs591 (7%)Unnamed event
Jun 22, 20156 hrs445 (5%)Hail

Was There an Outage on a Specific Date?

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

Over the 12 years from 2014 to 2025, Nobles County recorded 22 distinct power outage events, averaging 3.3 hours per event.

The single worst outage on record in Nobles County started June 11, 2025, lasting 3 hours and leaving up to 1,158 customers without power (13% of the county) at its peak.

July has historically been the worst month for outages in Nobles County, with 5 events recorded during that month across the dataset.

Based on this history, Nobles County earns a Reliability Grade of A, placing it in the 98th percentile nationally for grid reliability (higher percentile = more reliable).

Similar counties in Minnesota

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

CountyGradeNational percentile
Fillmore CountyA98th
Martin CountyA98th
Roseau CountyA98th
Mower CountyA97th
Jackson 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 Nobles County?

Between 2014 and 2025, Nobles County recorded 22 outage events, averaging 3.3 hours each.

What is Nobles County's reliability grade?

Nobles County has a Reliability Grade of A, in the 98th national percentile.

What was the worst power outage in Nobles County?

The worst outage on record started June 11, 2025, lasting 3 hours and affecting up to 1,158 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.