PowerOutageHistory
FReliability Grade

Dallas CountyPower Outage History

20142025 · Arkansas

Bottom 20% least reliable nationally — frequent and/or long outages.

How grades are calculated

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Reliability Rank
Higher percentile = more reliable
Nationwide2nd pct
In Arkansas0th pct
Total events
836
Avg duration
4.1 hrs
Longest outage
96 hrs
Customers served
4,128
Utility customers in county

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Apr 13, 202071 hrs3,613 (88%)Unnamed event
Feb 1, 202356 hrs3,388 (82%)Winter Weather
Apr 13, 20201 hrs2,772 (67%)Unnamed event
Apr 16, 202096 hrs2,753 (67%)Unnamed event
Mar 19, 20258 hrs2,698 (65%)Unnamed event

Over the 12 years from 2014 to 2025, Dallas County recorded 836 distinct power outage events, averaging 4.1 hours per event.

The single worst outage on record in Dallas County started April 13, 2020, lasting 71 hours and leaving up to 3,613 customers without power (88% of the county) at its peak.

June has historically been the worst month for outages in Dallas County, with 90 events recorded during that month across the dataset.

Based on this history, Dallas County earns a Reliability Grade of F, placing it in the 2nd percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Dallas County's outage profile

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Outage-prep kit

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Similar counties in Arkansas

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

CountyGradeNational percentile
Arkansas CountyF4th
Sevier CountyF6th
Chicot CountyF6th
Ashley CountyF6th
Bradley CountyF6th

Most reliable counties in Arkansas

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

CountyGradeNational percentile
Greene CountyA96th
Polk CountyA89th
Craighead CountyA87th

Least reliable counties in Arkansas

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

CountyGradeNational percentile
Dallas CountyF2nd
Arkansas CountyF4th
Sevier CountyF6th

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 Dallas County?

Between 2014 and 2025, Dallas County recorded 836 outage events, averaging 4.1 hours each.

What is Dallas County's reliability grade?

Dallas County has a Reliability Grade of F, in the 2nd national percentile.

What was the worst power outage in Dallas County?

The worst outage on record started April 13, 2020, lasting 71 hours and affecting up to 3,613 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.