Tyler CountyPower Outage History
2014–2025 · West Virginia
Bottom 20% least reliable nationally — frequent and/or long outages.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Mar 5, 2015 | 40 hrs | 4,970 (87%) | Flood |
| Mar 6, 2015 | 34 hrs | 4,506 (79%) | Flood |
| Jul 7, 2017 | 50 hrs | 4,422 (78%) | Thunderstorm Wind |
| Aug 4, 2017 | 9 hrs | 4,080 (72%) | Unnamed event |
| Jun 17, 2022 | 46 hrs | 4,065 (71%) | Thunderstorm Wind |
Over the 12 years from 2014 to 2025, Tyler County recorded 981 distinct power outage events, averaging 4.2 hours per event.
The single worst outage on record in Tyler County started March 5, 2015 (Flood), lasting 40 hours and leaving up to 4,970 customers without power (87% of the county) at its peak.
June has historically been the worst month for outages in Tyler County, with 127 events recorded during that month across the dataset.
Based on this history, Tyler County earns a Reliability Grade of F, placing it in the 3rd percentile nationally for grid reliability (higher percentile = more reliable).
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Similar counties in West Virginia
Counties with the closest reliability grade and national percentile to Tyler County.
| County | Grade | National percentile |
|---|---|---|
| Braxton County | F | 3rd |
| Wyoming County | F | 3rd |
| Gilmer County | F | 3rd |
| McDowell County | F | 3rd |
| Nicholas County | F | 4th |
Most reliable counties in West Virginia
The top 3 counties in West Virginia by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Berkeley County | A | 86th |
| Jefferson County | C | 53rd |
| Mineral County | D | 38th |
Least reliable counties in West Virginia
The bottom 3 counties in West Virginia by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Clay County | F | 0th |
| Lincoln County | F | 0th |
| Wayne County | F | 0th |
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 Tyler County?
Between 2014 and 2025, Tyler County recorded 981 outage events, averaging 4.2 hours each.
What is Tyler County's reliability grade?
Tyler County has a Reliability Grade of F, in the 3rd national percentile.
What was the worst power outage in Tyler County?
The worst outage on record started March 5, 2015 (Flood), lasting 40 hours and affecting up to 4,970 customers.