Dallas County Power Outage History
2014–2025 · Alabama
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 |
|---|---|---|---|
| Oct 29, 2020 | 115 hrs | 22,935 (83%) | Tropical Storm |
| Jan 12, 2023 | 81 hrs | 15,358 (55%) | Unnamed event |
| Aug 18, 2024 | 28 hrs | 12,382 (45%) | Unnamed event |
| Jun 14, 2023 | 23 hrs | 12,345 (44%) | Unnamed event |
| Nov 2, 2020 | 75 hrs | 6,657 (24%) | Tropical Storm |
Over the 12 years from 2014 to 2025, Dallas County recorded 1,187 distinct power outage events, averaging 2.4 hours per event.
The single worst outage on record in Dallas County started October 29, 2020 (Tropical Storm), lasting 115 hours and leaving up to 22,935 customers without power (83% of the county) at its peak.
June has historically been the worst month for outages in Dallas County, with 140 events recorded during that month across the dataset.
Based on this history, Dallas County earns a Reliability Grade of F, placing it in the 11th percentile nationally for grid reliability (higher percentile = more reliable).
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Similar counties in Alabama
Counties with the closest reliability grade and national percentile to Dallas County.
| County | Grade | National percentile |
|---|---|---|
| Lamar County | F | 11th |
| Chilton County | F | 14th |
| Perry County | F | 14th |
| Bibb County | F | 14th |
| Lowndes County | F | 15th |
FAQ
How often does power go out in Dallas County?
Between 2014 and 2025, Dallas County recorded 1,187 outage events, averaging 2.4 hours each.
What is Dallas County's reliability grade?
Dallas County has a Reliability Grade of F, in the 11th national percentile.
What was the worst power outage in Dallas County?
The worst outage on record started October 29, 2020 (Tropical Storm), lasting 115 hours and affecting up to 22,935 customers.