PowerOutageHistory
Reliability Grade
A
Top tier
2015-2025
Iowa

Emmet CountyPower Outage History

20152025 · Iowa
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What this grade means

(How grades are calculated)

Top 20% most reliable nationally — infrequent, short outages. This county ranks in the most reliable fifth of all US counties in our dataset, based on 12 years of real DOE outage records: outages happen less often here, and when they do occur they tend to be resolved quickly compared to the rest of the country. Baseline outage risk is low, though a severe local storm can still occasionally cause a longer-than-usual outage regardless of the long-term track record.

Takeaway
Low outage risk
Reliability Rank
Fuller bar = more reliable
Nationwide95th pct
In Iowa#2 of 99
See full Iowa rankings →
Total events
96
Recorded 2015–2025
Avg duration
2.1 hrs
Per outage event
Longest outage
20 hrs
Single worst event on record
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

Was There an Outage on a Specific Date?

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

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).

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 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 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.