PowerOutageHistory
CReliability Grade

Jack CountyPower Outage History

20142025 · Texas

Average — typical outage frequency and duration nationally.

How grades are calculated

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Reliability Rank
Higher percentile = more reliable
Nationwide42nd pct
In Texas53rd pct
Total events
883
Avg duration
1.9 hrs
Longest outage
61 hrs
Customers served
6,230
Utility customers in county

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Apr 20, 202512 hrs2,732 (44%)Tornado
Sep 28, 20217 hrs2,717 (44%)Wildfire
Aug 12, 2025<1 hr2,354 (38%)Heat
Apr 20, 20252 hrs2,338 (38%)Tornado
Mar 13, 201910 hrs2,330 (37%)Thunderstorm Wind

Over the 12 years from 2014 to 2025, Jack County recorded 883 distinct power outage events, averaging 1.9 hours per event.

The single worst outage on record in Jack County started April 20, 2025 (Tornado), lasting 12 hours and leaving up to 2,732 customers without power (44% of the county) at its peak.

November has historically been the worst month for outages in Jack County, with 220 events recorded during that month across the dataset.

Based on this history, Jack County earns a Reliability Grade of C, placing it in the 42nd percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Jack County's outage profile

See more picks in our Best Dual-Fuel Portable Generators for Power Outages roundup.

Outage-prep kit

See our outage-prep guides or the Texas storm prep checklist.

Similar counties in Texas

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

CountyGradeNational percentile
Clay CountyC42nd
Bee CountyC42nd
Starr CountyC41st
Reeves CountyC43rd
Parker CountyC43rd

Most reliable counties in Texas

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

CountyGradeNational percentile
Zavala CountyA95th
Jasper CountyA94th
Fayette CountyA91st

Least reliable counties in Texas

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

CountyGradeNational percentile
Trinity CountyF2nd
Orange CountyF2nd
Marion CountyF4th

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 Jack County?

Between 2014 and 2025, Jack County recorded 883 outage events, averaging 1.9 hours each.

What is Jack County's reliability grade?

Jack County has a Reliability Grade of C, in the 42nd national percentile.

What was the worst power outage in Jack County?

The worst outage on record started April 20, 2025 (Tornado), lasting 12 hours and affecting up to 2,732 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.