PowerOutageHistory
AReliability Grade

Emmet CountyPower Outage History

20152025 · Iowa

Top 20% most reliable nationally — infrequent, short outages.

How grades are calculated

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Reliability Rank
Higher percentile = more reliable
Nationwide95th pct
In Iowa99th pct
Total events
96
Avg duration
2.1 hrs
Longest outage
20 hrs
Customers served
6,025
Utility customers in county

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Dec 16, 202120 hrs1,112 (18%)Winter Storm
Apr 11, 20193 hrs985 (16%)Flood
Apr 11, 20195 hrs611 (10%)Flood
Mar 15, 20163 hrs560 (9%)Unnamed event
Jan 22, 20184 hrs433 (7%)Extreme Cold/Wind Chill

Over the 11 years from 2015 to 2025, Emmet County recorded 96 distinct power outage events, averaging 2.1 hours per event.

The single worst outage on record in Emmet County started December 16, 2021 (Winter Storm), lasting 20 hours and leaving up to 1,112 customers without power (18% of the county) at its peak.

April has historically been the worst month for outages in Emmet County, with 14 events recorded during that month across the dataset.

Based on this history, Emmet County earns a Reliability Grade of A, placing it in the 95th percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Emmet 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 Iowa

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

CountyGradeNational percentile
Bremer CountyA94th
Clay CountyA97th
Muscatine CountyA92nd
Dubuque CountyA91st
Adair CountyA90th

Most reliable counties in Iowa

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

CountyGradeNational percentile
Clay CountyA97th
Emmet CountyA95th
Bremer CountyA94th

Least reliable counties in Iowa

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

CountyGradeNational percentile
Marshall CountyF6th
Tama CountyF12th
Jasper CountyF14th

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 Emmet County?

Between 2015 and 2025, Emmet County recorded 96 outage events, averaging 2.1 hours each.

What is Emmet County's reliability grade?

Emmet County has a Reliability Grade of A, in the 95th national percentile.

What was the worst power outage in Emmet County?

The worst outage on record started December 16, 2021 (Winter Storm), lasting 20 hours and affecting up to 1,112 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.