Roanoke CountyPower Outage History
What this grade means
Worse than average — more frequent or longer outages than most counties. This county's recorded history shows more frequent outages and/or longer restoration times than most US counties over the same 12-year period. If you live here, it's worth taking backup power more seriously than an average household would.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Feb 12, 2025 | 142 hrs | 12,657 (21%) | Winter Storm |
| Sep 27, 2024 | 130 hrs | 12,428 (20%) | Hurricane Helene |
| Feb 16, 2016 | 59 hrs | 12,287 (20%) | Winter Storm |
| Dec 23, 2022 | 87 hrs | 8,376 (14%) | Strong Wind |
| Jan 6, 2025 | 56 hrs | 4,491 (7%) | Winter Storm |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Roanoke County, Virginia that day.
Over the 12 years from 2014 to 2025, Roanoke County recorded 786 distinct power outage events, averaging 4.4 hours per event.
The single worst outage on record in Roanoke County started February 12, 2025 (Winter Storm), lasting 142 hours and leaving up to 12,657 customers without power (21% of the county) at its peak.
May has historically been the worst month for outages in Roanoke County, with 101 events recorded during that month across the dataset.
Based on this history, Roanoke County earns a Reliability Grade of D, placing it in the 40th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Virginia
Counties with the closest reliability grade and national percentile to Roanoke County.
| County | Grade | National percentile |
|---|---|---|
| Virginia Beach County | D | 39th |
| James City County | C | 40th |
| Essex County | D | 39th |
| Mecklenburg County | C | 40th |
| Westmoreland County | C | 41st |
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 Roanoke County?
Between 2014 and 2025, Roanoke County recorded 786 outage events, averaging 4.4 hours each.
What is Roanoke County's reliability grade?
Roanoke County has a Reliability Grade of D, in the 40th national percentile.
What was the worst power outage in Roanoke County?
The worst outage on record started February 12, 2025 (Winter Storm), lasting 142 hours and affecting up to 12,657 customers.