PowerOutageHistory
Reliability Grade
D
Worse than average
2015-2025
Iowa

Monroe CountyPower Outage History

20152025 · Iowa
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What this grade means

(How grades are calculated)

Worse than average — more frequent or longer outages than most counties. This county's recorded history shows more frequent outages and/or longer restoration times than most US counties over the same 12-year period. If you live here, it's worth taking backup power more seriously than an average household would.

Takeaway
Higher-than-average outage risk
Reliability Rank
Fuller bar = more reliable
Nationwide21st pct
In Iowa#92 of 99
See full Iowa rankings →
Total events
908
Recorded 2015–2025
Avg duration
3.0 hrs
Per outage event
Longest outage
58 hrs
Single worst event on record
Customers served
4,827
Utility customers in county

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Mar 15, 20162 hrs2,829 (59%)Unnamed event
Jun 6, 201726 hrs1,928 (40%)Unnamed event
Jul 3, 2024<1 hr1,652 (34%)Unnamed event
Mar 28, 2017<1 hr1,517 (31%)Unnamed event
Mar 22, 20172 hrs1,384 (29%)Unnamed event

Was There an Outage on a Specific Date?

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

Over the 11 years from 2015 to 2025, Monroe County recorded 908 distinct power outage events, averaging 3.0 hours per event.

The single worst outage on record in Monroe County started March 15, 2016, lasting 2 hours and leaving up to 2,829 customers without power (59% of the county) at its peak.

July has historically been the worst month for outages in Monroe County, with 115 events recorded during that month across the dataset.

Based on this history, Monroe County earns a Reliability Grade of D, placing it in the 21st percentile nationally for grid reliability (higher percentile = more reliable).

Similar counties in Iowa

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

CountyGradeNational percentile
Greene CountyD20th
Cedar CountyD22nd
Clinton CountyD23rd
Benton CountyF18th
Linn CountyF16th

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 Monroe County?

Between 2015 and 2025, Monroe County recorded 908 outage events, averaging 3.0 hours each.

What is Monroe County's reliability grade?

Monroe County has a Reliability Grade of D, in the 21st national percentile.

What was the worst power outage in Monroe County?

The worst outage on record started March 15, 2016, lasting 2 hours and affecting up to 2,829 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.