PowerOutageHistory
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Monroe County Power Outage History

20142025 · Wisconsin

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

Total events
214
Avg duration
2.6 hrs
Longest outage
32 hrs
National percentile
86th

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
May 11, 20221 hrs7,515 (39%)Unnamed event
Oct 24, 20156 hrs6,021 (32%)Unnamed event
Mar 13, 20151 hrs3,340 (18%)Unnamed event
Dec 16, 202115 hrs2,667 (14%)Winter Storm
Dec 31, 20224 hrs2,525 (13%)Extreme Cold/Wind Chill

Over the 12 years from 2014 to 2025, Monroe County recorded 214 distinct power outage events, averaging 2.6 hours per event.

The single worst outage on record in Monroe County started May 11, 2022, lasting 1 hours and leaving up to 7,515 customers without power (39% of the county) at its peak.

July has historically been the worst month for outages in Monroe County, with 37 events recorded during that month across the dataset.

Based on this history, Monroe County earns a Reliability Grade of A, placing it in the 86th percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Monroe 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 Wisconsin

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

CountyGradeNational percentile
Trempealeau CountyA86th
Vernon CountyA85th
Dunn CountyA85th
Calumet CountyA87th
La Crosse CountyA84th

FAQ

How often does power go out in Monroe County?

Between 2014 and 2025, Monroe County recorded 214 outage events, averaging 2.6 hours each.

What is Monroe County's reliability grade?

Monroe County has a Reliability Grade of A, in the 86th national percentile.

What was the worst power outage in Monroe County?

The worst outage on record started May 11, 2022, lasting 1 hours and affecting up to 7,515 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.