Montgomery CountyPower Outage History
What this grade means
Better than average — fewer or shorter outages than most counties. This county's outage history is better than the national median: recorded outages are less frequent and/or shorter in duration than a typical US county experienced over the same 12-year period. It isn't in the top tier nationally, but its track record points to lower-than-average outage risk.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Oct 29, 2020 | 68 hrs | 29,346 (21%) | Tropical Storm |
| May 4, 2021 | 45 hrs | 23,861 (17%) | Tornado |
| Apr 12, 2020 | 44 hrs | 22,798 (17%) | Thunderstorm Wind |
| Jun 14, 2023 | 23 hrs | 21,097 (15%) | Hail |
| Aug 2, 2021 | 22 hrs | 15,699 (11%) | Thunderstorm Wind |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Montgomery County, Alabama that day.
Over the 9 years from 2017 to 2025, Montgomery County recorded 1,392 distinct power outage events, averaging 2.1 hours per event.
The single worst outage on record in Montgomery County started October 29, 2020 (Tropical Storm), lasting 68 hours and leaving up to 29,346 customers without power (21% of the county) at its peak.
July has historically been the worst month for outages in Montgomery County, with 186 events recorded during that month across the dataset.
Based on this history, Montgomery County earns a Reliability Grade of B, placing it in the 67th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Alabama
Counties with the closest reliability grade and national percentile to Montgomery County.
| County | Grade | National percentile |
|---|---|---|
| Houston County | B | 67th |
| Madison County | B | 69th |
| Chambers County | B | 65th |
| Pike County | B | 70th |
| Tuscaloosa County | B | 64th |
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 Montgomery County?
Between 2017 and 2025, Montgomery County recorded 1,392 outage events, averaging 2.1 hours each.
What is Montgomery County's reliability grade?
Montgomery County has a Reliability Grade of B, in the 67th national percentile.
What was the worst power outage in Montgomery County?
The worst outage on record started October 29, 2020 (Tropical Storm), lasting 68 hours and affecting up to 29,346 customers.