PowerOutageHistory
AReliability Grade

Coleman CountyPower Outage History

20142025 · Texas

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

How grades are calculated

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Reliability Rank
Higher percentile = more reliable
Nationwide90th pct
In Texas99th pct
Total events
96
Avg duration
2.9 hrs
Longest outage
39 hrs
Customers served
4,018
Utility customers in county

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
May 22, 20246 hrs847 (21%)Hail
May 16, 20211 hrs705 (18%)Thunderstorm Wind
May 31, 20256 hrs702 (17%)Tornado
Sep 18, 20252 hrs701 (17%)Drought
May 3, 20212 hrs698 (17%)Hail

Over the 12 years from 2014 to 2025, Coleman County recorded 96 distinct power outage events, averaging 2.9 hours per event.

The single worst outage on record in Coleman County started May 22, 2024 (Hail), lasting 6 hours and leaving up to 847 customers without power (21% of the county) at its peak.

May has historically been the worst month for outages in Coleman County, with 26 events recorded during that month across the dataset.

Based on this history, Coleman County earns a Reliability Grade of A, placing it in the 90th percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Coleman 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 or the Texas storm prep checklist.

Similar counties in Texas

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

CountyGradeNational percentile
Guadalupe CountyA89th
Fayette CountyA91st
Lubbock CountyA88th
Lamb CountyA87th
King CountyA87th

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 Coleman County?

Between 2014 and 2025, Coleman County recorded 96 outage events, averaging 2.9 hours each.

What is Coleman County's reliability grade?

Coleman County has a Reliability Grade of A, in the 90th national percentile.

What was the worst power outage in Coleman County?

The worst outage on record started May 22, 2024 (Hail), lasting 6 hours and affecting up to 847 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.