Limestone CountyPower Outage History
What this grade means
Top 20% most reliable nationally — infrequent, short outages. This county ranks in the most reliable fifth of all US counties in our dataset, based on 12 years of real DOE outage records: outages happen less often here, and when they do occur they tend to be resolved quickly compared to the rest of the country. Baseline outage risk is low, though a severe local storm can still occasionally cause a longer-than-usual outage regardless of the long-term track record.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Mar 3, 2023 | 5 hrs | 314 (1%) | Thunderstorm Wind |
| May 3, 2020 | 10 hrs | 314 (1%) | Thunderstorm Wind |
| Mar 16, 2025 | 6 hrs | 280 (1%) | Unnamed event |
| Mar 6, 2025 | 3 hrs | 280 (1%) | Unnamed event |
| Dec 28, 2023 | <1 hr | 279 (1%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Limestone County, Alabama that day.
Over the 8 years from 2018 to 2025, Limestone County recorded 28 distinct power outage events, averaging 1.7 hours per event.
The single worst outage on record in Limestone County started March 3, 2023 (Thunderstorm Wind), lasting 5 hours and leaving up to 314 customers without power (1% of the county) at its peak.
May has historically been the worst month for outages in Limestone County, with 6 events recorded during that month across the dataset.
Based on this history, Limestone County earns a Reliability Grade of A, placing it in the 99th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Alabama
Counties with the closest reliability grade and national percentile to Limestone County.
| County | Grade | National percentile |
|---|---|---|
| Marshall County | Not ranked | — |
| Cherokee County | Not ranked | — |
| DeKalb County | Not ranked | — |
| Jackson County | A | 98th |
| Lawrence County | A | 96th |
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 2018 and 2025, Limestone County recorded 28 outage events, averaging 1.7 hours each.
What is Limestone County's reliability grade?
Limestone County has a Reliability Grade of A, in the 99th national percentile.
What was the worst power outage in Limestone County?
The worst outage on record started March 3, 2023 (Thunderstorm Wind), lasting 5 hours and affecting up to 314 customers.