Houston County Power Outage History
2014–2025 · Texas
Bottom 20% least reliable nationally — frequent and/or long outages. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Mar 22, 2022 | 69 hrs | 9,548 (56%) | Tornado |
| Jan 10, 2021 | 76 hrs | 9,214 (54%) | Heavy Snow |
| Oct 31, 2020 | 7 hrs | 6,861 (40%) | Unnamed event |
| Feb 15, 2021 | 71 hrs | 6,087 (36%) | Winter Storm Uri |
| Apr 27, 2023 | 36 hrs | 5,953 (35%) | Thunderstorm Wind |
Over the 12 years from 2014 to 2025, Houston County recorded 944 distinct power outage events, averaging 3.1 hours per event.
The single worst outage on record in Houston County started March 22, 2022 (Tornado), lasting 69 hours and leaving up to 9,548 customers without power (56% of the county) at its peak.
May has historically been the worst month for outages in Houston County, with 118 events recorded during that month across the dataset.
Based on this history, Houston County earns a Reliability Grade of F, placing it in the 13th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Houston County's outage profile
See more picks in our Best Dual-Fuel Portable Generators for Power Outages roundup.
Champion Power Equipment 4375-Watt Dual Fuel RV Ready Portable Generator with Free 3-Year Warranty
Outage-prep kit
See our outage-prep guides or the Texas storm prep checklist.
Similar counties in Texas
Counties with the closest reliability grade and national percentile to Houston County.
| County | Grade | National percentile |
|---|---|---|
| Limestone County | F | 13th |
| Panola County | F | 14th |
| Cherokee County | F | 13th |
| Dimmit County | F | 14th |
| Galveston County | F | 13th |
FAQ
How often does power go out in Houston County?
Between 2014 and 2025, Houston County recorded 944 outage events, averaging 3.1 hours each.
What is Houston County's reliability grade?
Houston County has a Reliability Grade of F, in the 13th national percentile.
What was the worst power outage in Houston County?
The worst outage on record started March 22, 2022 (Tornado), lasting 69 hours and affecting up to 9,548 customers.