Dimmit County Power Outage History
2014–2025 · Texas
Bottom 20% least reliable nationally — frequent and/or long outages. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Jul 8, 2015 | 0 hrs | 4,278 (61%) | Unnamed event |
| Jul 8, 2015 | 0 hrs | 4,278 (61%) | Unnamed event |
| Dec 19, 2014 | 10 hrs | 4,196 (60%) | Unnamed event |
| May 13, 2015 | 5 hrs | 4,065 (58%) | Unnamed event |
| Sep 22, 2018 | 1 hrs | 2,594 (37%) | Unnamed event |
Over the 12 years from 2014 to 2025, Dimmit County recorded 853 distinct power outage events, averaging 19.7 hours per event.
The single worst outage on record in Dimmit County started July 8, 2015, lasting 0 hours and leaving up to 4,278 customers without power (61% of the county) at its peak.
May has historically been the worst month for outages in Dimmit County, with 127 events recorded during that month across the dataset.
Based on this history, Dimmit County earns a Reliability Grade of F, placing it in the 14th 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 Dimmit County.
| County | Grade | National percentile |
|---|---|---|
| Panola County | F | 14th |
| Franklin County | F | 14th |
| Houston County | F | 13th |
| Limestone County | F | 13th |
| Edwards County | F | 14th |
FAQ
How often does power go out in Dimmit County?
Between 2014 and 2025, Dimmit County recorded 853 outage events, averaging 19.7 hours each.
What is Dimmit County's reliability grade?
Dimmit County has a Reliability Grade of F, in the 14th national percentile.
What was the worst power outage in Dimmit County?
The worst outage on record started July 8, 2015, lasting 0 hours and affecting up to 4,278 customers.