Houston 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 10, 2018 | 161 hrs | 23,059 (32%) | Hurricane Michael |
| Jun 30, 2024 | <1 hr | 9,944 (14%) | Unnamed event |
| Aug 19, 2024 | 6 hrs | 7,743 (11%) | Thunderstorm Wind |
| Jun 15, 2023 | 19 hrs | 7,579 (10%) | Thunderstorm Wind |
| May 27, 2023 | 3 hrs | 7,142 (10%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Houston County, Alabama that day.
Over the 11 years from 2015 to 2025, Houston County recorded 513 distinct power outage events, averaging 1.8 hours per event.
The single worst outage on record in Houston County started October 10, 2018 (Hurricane Michael), lasting 161 hours and leaving up to 23,059 customers without power (32% of the county) at its peak.
July has historically been the worst month for outages in Houston County, with 60 events recorded during that month across the dataset.
Based on this history, Houston 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 Houston County.
| County | Grade | National percentile |
|---|---|---|
| Montgomery 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 Houston County?
Between 2015 and 2025, Houston County recorded 513 outage events, averaging 1.8 hours each.
What is Houston County's reliability grade?
Houston County has a Reliability Grade of B, in the 67th national percentile.
What was the worst power outage in Houston County?
The worst outage on record started October 10, 2018 (Hurricane Michael), lasting 161 hours and affecting up to 23,059 customers.