PowerOutageHistory
CReliability Grade

Garza CountyPower Outage History

20152025 · Texas

Average — typical outage frequency and duration nationally.

How grades are calculated

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Reliability Rank
Higher percentile = more reliable
Nationwide56th pct
In Texas70th pct
Total events
350
Avg duration
2.9 hrs
Longest outage
129 hrs
Customers served
5,095
Utility customers in county

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Aug 23, 20193 hrs3,174 (62%)Unnamed event
Oct 28, 2020129 hrs2,365 (46%)Winter Storm
Jun 5, 202047 hrs2,170 (43%)Thunderstorm Wind
Apr 18, 20243 hrs2,118 (42%)Unnamed event
Mar 22, 20221 hrs2,108 (41%)Drought

Over the 11 years from 2015 to 2025, Garza County recorded 350 distinct power outage events, averaging 2.9 hours per event.

The single worst outage on record in Garza County started August 23, 2019, lasting 3 hours and leaving up to 3,174 customers without power (62% of the county) at its peak.

May has historically been the worst month for outages in Garza County, with 46 events recorded during that month across the dataset.

Based on this history, Garza County earns a Reliability Grade of C, placing it in the 56th percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Garza 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 Garza County.

CountyGradeNational percentile
Brown CountyC56th
Tom Green CountyC56th
Hunt CountyC57th
Floyd CountyC56th
Runnels CountyC57th

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 Garza County?

Between 2015 and 2025, Garza County recorded 350 outage events, averaging 2.9 hours each.

What is Garza County's reliability grade?

Garza County has a Reliability Grade of C, in the 56th national percentile.

What was the worst power outage in Garza County?

The worst outage on record started August 23, 2019, lasting 3 hours and affecting up to 3,174 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.