Limestone County Power Outage History
2018–2025 · Alabama
Top 20% most reliable nationally — infrequent, short outages. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| May 3, 2020 | 10 hrs | 314 (1%) | Unnamed event |
| Mar 3, 2023 | 5 hrs | 314 (1%) | High Wind |
| Mar 6, 2025 | 3 hrs | 280 (1%) | Unnamed event |
| Mar 16, 2025 | 6 hrs | 280 (1%) | Unnamed event |
| Dec 28, 2023 | 1 hrs | 279 (1%) | Unnamed event |
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 May 3, 2020, lasting 10 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).
Sized for Limestone County's outage profile
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Similar counties in Alabama
Counties with the closest reliability grade and national percentile to Limestone County.
| County | Grade | National percentile |
|---|---|---|
| Marshall County | A | 99th |
| Cherokee County | A | 99th |
| DeKalb County | A | 100th |
| Jackson County | A | 98th |
| Lawrence County | A | 96th |
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 May 3, 2020, lasting 10 hours and affecting up to 314 customers.