Tyler 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 |
|---|---|---|---|
| Aug 28, 2017 | 159 hrs | 12,604 (96%) | Flash Flood |
| Jul 8, 2024 | 96 hrs | 9,409 (72%) | Hurricane Beryl |
| Apr 27, 2023 | 38 hrs | 8,795 (67%) | Hail |
| Aug 27, 2020 | 59 hrs | 5,743 (44%) | Tropical Storm |
| Dec 28, 2024 | 27 hrs | 5,425 (41%) | Thunderstorm Wind |
Over the 12 years from 2014 to 2025, Tyler County recorded 2,211 distinct power outage events, averaging 2.7 hours per event.
The single worst outage on record in Tyler County started August 28, 2017 (Flash Flood), lasting 159 hours and leaving up to 12,604 customers without power (96% of the county) at its peak.
September has historically been the worst month for outages in Tyler County, with 245 events recorded during that month across the dataset.
Based on this history, Tyler County earns a Reliability Grade of F, placing it in the 6th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Tyler 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 Tyler County.
| County | Grade | National percentile |
|---|---|---|
| Borden County | F | 6th |
| Robertson County | F | 7th |
| Leon County | F | 7th |
| Gregg County | F | 4th |
| Jefferson County | F | 7th |
FAQ
How often does power go out in Tyler County?
Between 2014 and 2025, Tyler County recorded 2,211 outage events, averaging 2.7 hours each.
What is Tyler County's reliability grade?
Tyler County has a Reliability Grade of F, in the 6th national percentile.
What was the worst power outage in Tyler County?
The worst outage on record started August 28, 2017 (Flash Flood), lasting 159 hours and affecting up to 12,604 customers.