PowerOutageHistory
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Brown County Power Outage History

20152024 · Minnesota

Top 20% most reliable nationally — infrequent, short outages. How grades are calculated

Total events
11
Avg duration
3.7 hrs
Longest outage
14 hrs
National percentile
99th

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Jun 22, 20154 hrs315 (2%)Thunderstorm Wind
Apr 11, 201914 hrs161 (1%)Winter Storm
Sep 17, 20211 hrs146 (1%)Thunderstorm Wind
Dec 14, 20210 hrs110 (1%)Winter Storm
Dec 16, 20219 hrs110 (1%)Winter Storm

Over the 10 years from 2015 to 2024, Brown County recorded 11 distinct power outage events, averaging 3.7 hours per event.

The single worst outage on record in Brown County started June 22, 2015 (Thunderstorm Wind), lasting 4 hours and leaving up to 315 customers without power (2% of the county) at its peak.

March has historically been the worst month for outages in Brown County, with 3 events recorded during that month across the dataset.

Based on this history, Brown County earns a Reliability Grade of A, placing it in the 99th percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Brown 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 Brown County.

CountyGradeNational percentile
Cottonwood CountyA99th
Clearwater CountyA99th
Jackson CountyA98th
Roseau CountyA98th
Martin CountyA98th

FAQ

How often does power go out in Brown County?

Between 2015 and 2024, Brown County recorded 11 outage events, averaging 3.7 hours each.

What is Brown County's reliability grade?

Brown County has a Reliability Grade of A, in the 99th national percentile.

What was the worst power outage in Brown County?

The worst outage on record started June 22, 2015 (Thunderstorm Wind), lasting 4 hours and affecting up to 315 customers.

Data: ORNL EAGLE-I Recorded Electricity Outages (2014–2025), CC BY 4.0. Storm names: NOAA Storm Events Database. Last data refresh: 2024. See methodology.