PowerOutageHistory
B

Cameron County Power Outage History

20142025 · Texas

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

Total events
1,907
Avg duration
2.2 hrs
Longest outage
152 hrs
National percentile
61st

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Feb 15, 202187 hrs43,776 (17%)Winter Storm Uri
Jul 25, 2020152 hrs28,057 (11%)Hurricane Hanna
Apr 23, 202328 hrs19,786 (8%)Hail
Jul 3, 20156 hrs19,642 (7%)Unnamed event
Dec 22, 20211 hrs17,554 (7%)Unnamed event

Over the 12 years from 2014 to 2025, Cameron County recorded 1,907 distinct power outage events, averaging 2.2 hours per event.

The single worst outage on record in Cameron County started February 15, 2021 (Winter Storm Uri), lasting 87 hours and leaving up to 43,776 customers without power (17% of the county) at its peak.

January has historically been the worst month for outages in Cameron County, with 201 events recorded during that month across the dataset.

Based on this history, Cameron County earns a Reliability Grade of B, placing it in the 61st percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Cameron 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 Cameron County.

CountyGradeNational percentile
Hemphill CountyB61st
McCulloch CountyB60th
Wise CountyB60th
Bowie CountyB60th
Dickens CountyB62nd

FAQ

How often does power go out in Cameron County?

Between 2014 and 2025, Cameron County recorded 1,907 outage events, averaging 2.2 hours each.

What is Cameron County's reliability grade?

Cameron County has a Reliability Grade of B, in the 61st national percentile.

What was the worst power outage in Cameron County?

The worst outage on record started February 15, 2021 (Winter Storm Uri), lasting 87 hours and affecting up to 43,776 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.