PowerOutageHistory
B

Somervell County Power Outage History

20172025 · Texas

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

Total events
345
Avg duration
2.5 hrs
Longest outage
80 hrs
National percentile
62nd

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Apr 30, 20231 hrs3,223 (32%)Unnamed event
Aug 25, 20210 hrs3,075 (30%)Unnamed event
Feb 15, 202180 hrs2,914 (29%)Winter Storm Uri
Mar 21, 20221 hrs2,147 (21%)Drought
Feb 17, 20191 hrs1,991 (20%)Unnamed event

Over the 9 years from 2017 to 2025, Somervell County recorded 345 distinct power outage events, averaging 2.5 hours per event.

The single worst outage on record in Somervell County started April 30, 2023, lasting 1 hours and leaving up to 3,223 customers without power (32% of the county) at its peak.

May has historically been the worst month for outages in Somervell County, with 45 events recorded during that month across the dataset.

Based on this history, Somervell County earns a Reliability Grade of B, placing it in the 62nd percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Somervell 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 Somervell County.

CountyGradeNational percentile
Hood CountyB63rd
Dickens CountyB62nd
Gonzales CountyB63rd
Hemphill CountyB61st
Cameron CountyB61st

FAQ

How often does power go out in Somervell County?

Between 2017 and 2025, Somervell County recorded 345 outage events, averaging 2.5 hours each.

What is Somervell County's reliability grade?

Somervell County has a Reliability Grade of B, in the 62nd national percentile.

What was the worst power outage in Somervell County?

The worst outage on record started April 30, 2023, lasting 1 hours and affecting up to 3,223 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.