PowerOutageHistory
BReliability Grade

Yellow Medicine CountyPower Outage History

20152025 · Minnesota

Better than average — fewer or shorter outages than most counties.

How grades are calculated

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Reliability Rank
Higher percentile = more reliable
Nationwide68th pct
In Minnesota29th pct
Total events
187
Avg duration
3.4 hrs
Longest outage
59 hrs
Customers served
4,318
Utility customers in county

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Aug 8, 202027 hrs1,654 (38%)Thunderstorm Wind
May 17, 20174 hrs1,077 (25%)Unnamed event
Mar 15, 2025<1 hr1,056 (24%)Blizzard
Oct 22, 20197 hrs972 (23%)Unnamed event
May 12, 202216 hrs726 (17%)Hail

Over the 11 years from 2015 to 2025, Yellow Medicine County recorded 187 distinct power outage events, averaging 3.4 hours per event.

The single worst outage on record in Yellow Medicine County started August 8, 2020 (Thunderstorm Wind), lasting 27 hours and leaving up to 1,654 customers without power (38% of the county) at its peak.

July has historically been the worst month for outages in Yellow Medicine County, with 30 events recorded during that month across the dataset.

Based on this history, Yellow Medicine County earns a Reliability Grade of B, placing it in the 68th percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Yellow Medicine 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 Minnesota

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

CountyGradeNational percentile
Murray CountyB68th
Chisago CountyB67th
Rock CountyB67th
Waseca CountyB69th
Hennepin CountyB66th

Most reliable counties in Minnesota

The top 3 counties in Minnesota by reliability grade and percentile.

CountyGradeNational percentile
Clearwater CountyA99th
Brown CountyA99th
Jackson CountyA98th

Least reliable counties in Minnesota

The bottom 3 counties in Minnesota by reliability grade and percentile.

CountyGradeNational percentile
Cass CountyF16th
Aitkin CountyF18th
Itasca CountyD25th

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.

CountyStateGradeNational percentile
Clay CountyWest VirginiaF0th
Lincoln CountyWest VirginiaF0th
Cameron ParishLouisianaF0th

FAQ

How often does power go out in Yellow Medicine County?

Between 2015 and 2025, Yellow Medicine County recorded 187 outage events, averaging 3.4 hours each.

What is Yellow Medicine County's reliability grade?

Yellow Medicine County has a Reliability Grade of B, in the 68th national percentile.

What was the worst power outage in Yellow Medicine County?

The worst outage on record started August 8, 2020 (Thunderstorm Wind), lasting 27 hours and affecting up to 1,654 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.