Greenbrier CountyPower Outage History
What this grade means
Bottom 20% least reliable nationally — frequent and/or long outages. This county ranks in the least reliable fifth of all US counties in our dataset: some combination of frequent outages, long restoration times, or customers affected puts it near the bottom nationally. Backup power is worth prioritizing here rather than treating it as optional.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| May 13, 2025 | 19 hrs | 16,397 (57%) | Unnamed event |
| May 22, 2025 | 7 hrs | 16,380 (56%) | Thunderstorm Wind |
| Jun 23, 2025 | 1 hrs | 16,355 (56%) | Thunderstorm Wind |
| Jan 23, 2025 | 4 hrs | 14,334 (49%) | Winter Storm |
| Jan 23, 2025 | 1 hrs | 13,581 (47%) | Winter Storm |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Greenbrier County, West Virginia that day.
Over the 12 years from 2014 to 2025, Greenbrier County recorded 1,087 distinct power outage events, averaging 4.0 hours per event.
The single worst outage on record in Greenbrier County started May 13, 2025, lasting 19 hours and leaving up to 16,397 customers without power (57% of the county) at its peak.
July has historically been the worst month for outages in Greenbrier County, with 142 events recorded during that month across the dataset.
Based on this history, Greenbrier County earns a Reliability Grade of F, placing it in the 15th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in West Virginia
Counties with the closest reliability grade and national percentile to Greenbrier County.
| County | Grade | National percentile |
|---|---|---|
| Morgan County | F | 16th |
| Taylor County | F | 13th |
| Pendleton County | F | 13th |
| Marion County | F | 18th |
| Randolph County | F | 18th |
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 Greenbrier County?
Between 2014 and 2025, Greenbrier County recorded 1,087 outage events, averaging 4.0 hours each.
What is Greenbrier County's reliability grade?
Greenbrier County has a Reliability Grade of F, in the 15th national percentile.
What was the worst power outage in Greenbrier County?
The worst outage on record started May 13, 2025, lasting 19 hours and affecting up to 16,397 customers.