PowerOutageHistory
F

Jefferson County Power Outage History

20142025 · Arkansas

Bottom 20% least reliable nationally — frequent and/or long outages. How grades are calculated

Total events
1,177
Avg duration
3.6 hrs
Longest outage
113 hrs
National percentile
12th

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Apr 13, 202072 hrs24,409 (59%)Unnamed event
Apr 16, 2020113 hrs14,639 (35%)Unnamed event
Feb 2, 202342 hrs12,448 (30%)Winter Weather
Jul 14, 201628 hrs11,260 (27%)Unnamed event
Jun 3, 202426 hrs6,837 (17%)Unnamed event

Over the 12 years from 2014 to 2025, Jefferson County recorded 1,177 distinct power outage events, averaging 3.6 hours per event.

The single worst outage on record in Jefferson County started April 13, 2020, lasting 72 hours and leaving up to 24,409 customers without power (59% of the county) at its peak.

May has historically been the worst month for outages in Jefferson County, with 143 events recorded during that month across the dataset.

Based on this history, Jefferson County earns a Reliability Grade of F, placing it in the 12th percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Jefferson 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 Jefferson County.

CountyGradeNational percentile
Little River CountyF12th
Drew CountyF12th
Hot Spring CountyF11th
Yell CountyF13th
Pike CountyF11th

FAQ

How often does power go out in Jefferson County?

Between 2014 and 2025, Jefferson County recorded 1,177 outage events, averaging 3.6 hours each.

What is Jefferson County's reliability grade?

Jefferson County has a Reliability Grade of F, in the 12th national percentile.

What was the worst power outage in Jefferson County?

The worst outage on record started April 13, 2020, lasting 72 hours and affecting up to 24,409 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.