Martin CountyPower Outage History
2014–2025 · Texas
Bottom 20% least reliable nationally — frequent and/or long outages.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Feb 14, 2021 | 108 hrs | 3,726 (95%) | Winter Storm Uri |
| Mar 7, 2018 | <1 hr | 1,615 (41%) | Unnamed event |
| May 5, 2015 | <1 hr | 1,526 (39%) | Unnamed event |
| Jun 2, 2022 | 13 hrs | 1,507 (38%) | Unnamed event |
| Feb 22, 2024 | <1 hr | 1,483 (38%) | Unnamed event |
Over the 12 years from 2014 to 2025, Martin County recorded 993 distinct power outage events, averaging 2.6 hours per event.
The single worst outage on record in Martin County started February 14, 2021 (Winter Storm Uri), lasting 108 hours and leaving up to 3,726 customers without power (95% of the county) at its peak.
July has historically been the worst month for outages in Martin County, with 118 events recorded during that month across the dataset.
Based on this history, Martin County earns a Reliability Grade of F, placing it in the 16th percentile nationally for grid reliability (higher percentile = more reliable).
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Similar counties in Texas
Counties with the closest reliability grade and national percentile to Martin County.
| County | Grade | National percentile |
|---|---|---|
| Briscoe County | F | 16th |
| Brewster County | F | 16th |
| Willacy County | F | 16th |
| Carson County | F | 16th |
| Irion County | F | 17th |
Most reliable counties in Texas
The top 3 counties in Texas by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Zavala County | A | 95th |
| Jasper County | A | 94th |
| Fayette County | A | 91st |
Least reliable counties in Texas
The bottom 3 counties in Texas by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Trinity County | F | 2nd |
| Orange County | F | 2nd |
| Marion County | F | 4th |
Most reliable counties nationally
The top 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | South Dakota | A | 100th |
| Clearwater County | Minnesota | A | 99th |
| Limestone County | Alabama | A | 99th |
Least reliable counties nationally
The bottom 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | West Virginia | F | 0th |
| Lincoln County | West Virginia | F | 0th |
| Cameron Parish | Louisiana | F | 0th |
FAQ
How often does power go out in Martin County?
Between 2014 and 2025, Martin County recorded 993 outage events, averaging 2.6 hours each.
What is Martin County's reliability grade?
Martin County has a Reliability Grade of F, in the 16th national percentile.
What was the worst power outage in Martin County?
The worst outage on record started February 14, 2021 (Winter Storm Uri), lasting 108 hours and affecting up to 3,726 customers.