PowerOutageHistory
DReliability Grade

La Salle CountyPower Outage History

20142025 · Texas

Worse than average — more frequent or longer outages than most counties.

How grades are calculated

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Reliability Rank
Higher percentile = more reliable
Nationwide31st pct
In Texas38th pct
Total events
758
Avg duration
3.0 hrs
Longest outage
80 hrs
Customers served
5,528
Utility customers in county

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Feb 15, 202180 hrs3,461 (63%)Winter Storm Uri
Feb 18, 20218 hrs1,304 (24%)Winter Storm Uri
Jun 10, 202015 hrs1,108 (20%)Thunderstorm Wind
Apr 25, 20183 hrs1,054 (19%)Hail
Aug 8, 2025<1 hr1,007 (18%)Drought

Over the 12 years from 2014 to 2025, La Salle County recorded 758 distinct power outage events, averaging 3.0 hours per event.

The single worst outage on record in La Salle County started February 15, 2021 (Winter Storm Uri), lasting 80 hours and leaving up to 3,461 customers without power (63% of the county) at its peak.

May has historically been the worst month for outages in La Salle County, with 116 events recorded during that month across the dataset.

Based on this history, La Salle County earns a Reliability Grade of D, placing it in the 31st percentile nationally for grid reliability (higher percentile = more reliable).

Sized for La Salle 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 La Salle County.

CountyGradeNational percentile
Val Verde CountyD30th
San Patricio CountyD31st
Travis CountyD31st
Hall CountyD30th
Comanche CountyD31st

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 La Salle County?

Between 2014 and 2025, La Salle County recorded 758 outage events, averaging 3.0 hours each.

What is La Salle County's reliability grade?

La Salle County has a Reliability Grade of D, in the 31st national percentile.

What was the worst power outage in La Salle County?

The worst outage on record started February 15, 2021 (Winter Storm Uri), lasting 80 hours and affecting up to 3,461 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.