PowerOutageHistory
B

Lamar County Power Outage History

20142025 · Texas

Better than average — fewer or shorter outages than most counties. How grades are calculated

Total events
399
Avg duration
2.7 hrs
Longest outage
75 hrs
National percentile
69th

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Jun 7, 20150 hrs10,247 (37%)Unnamed event
Jul 5, 20152 hrs9,573 (34%)Unnamed event
Oct 21, 201928 hrs6,244 (22%)Thunderstorm Wind
Jun 7, 20183 hrs5,610 (20%)Unnamed event
Feb 15, 202175 hrs5,072 (18%)Winter Storm Uri

Over the 12 years from 2014 to 2025, Lamar County recorded 399 distinct power outage events, averaging 2.7 hours per event.

The single worst outage on record in Lamar County started June 7, 2015, lasting 0 hours and leaving up to 10,247 customers without power (37% of the county) at its peak.

June has historically been the worst month for outages in Lamar County, with 58 events recorded during that month across the dataset.

Based on this history, Lamar County earns a Reliability Grade of B, placing it in the 69th percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Lamar 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 Lamar County.

CountyGradeNational percentile
Cottle CountyB69th
Hockley CountyB70th
Burnet CountyB70th
Stonewall CountyB69th
Navarro CountyB70th

FAQ

How often does power go out in Lamar County?

Between 2014 and 2025, Lamar County recorded 399 outage events, averaging 2.7 hours each.

What is Lamar County's reliability grade?

Lamar County has a Reliability Grade of B, in the 69th national percentile.

What was the worst power outage in Lamar County?

The worst outage on record started June 7, 2015, lasting 0 hours and affecting up to 10,247 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.