Limestone CountyPower Outage History
What this grade means
Bottom 20% least reliable nationally — frequent and/or long outages. This county ranks in the least reliable fifth of all US counties in our dataset: some combination of frequent outages, long restoration times, or customers affected puts it near the bottom nationally. Backup power is worth prioritizing here rather than treating it as optional.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Feb 11, 2021 | 166 hrs | 7,299 (47%) | Winter Storm Uri |
| Feb 1, 2023 | 135 hrs | 5,961 (38%) | Ice Storm |
| Mar 24, 2020 | 1 hrs | 5,538 (35%) | Unnamed event |
| Jun 21, 2023 | 40 hrs | 4,853 (31%) | Heat |
| May 23, 2024 | 22 hrs | 4,002 (26%) | Thunderstorm Wind |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Limestone County, Texas that day.
Over the 12 years from 2014 to 2025, Limestone County recorded 1,516 distinct power outage events, averaging 3.0 hours per event.
The single worst outage on record in Limestone County started February 11, 2021 (Winter Storm Uri), lasting 166 hours and leaving up to 7,299 customers without power (47% of the county) at its peak.
May has historically been the worst month for outages in Limestone County, with 185 events recorded during that month across the dataset.
Based on this history, Limestone County earns a Reliability Grade of F, placing it in the 13th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Texas
Counties with the closest reliability grade and national percentile to Limestone County.
| County | Grade | National percentile |
|---|---|---|
| Houston County | F | 13th |
| Cherokee County | F | 13th |
| Panola County | F | 14th |
| Dimmit County | F | 14th |
| Galveston County | F | 13th |
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 Limestone County?
Between 2014 and 2025, Limestone County recorded 1,516 outage events, averaging 3.0 hours each.
What is Limestone County's reliability grade?
Limestone County has a Reliability Grade of F, in the 13th national percentile.
What was the worst power outage in Limestone County?
The worst outage on record started February 11, 2021 (Winter Storm Uri), lasting 166 hours and affecting up to 7,299 customers.