Alleghany County Power Outage History
2015–2025 · Virginia
Worse than average — more frequent or longer outages than most counties. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Jun 15, 2018 | 2 hrs | 3,529 (34%) | Unnamed event |
| May 26, 2024 | 70 hrs | 3,443 (33%) | Thunderstorm Wind |
| Oct 14, 2016 | 2 hrs | 2,713 (26%) | Unnamed event |
| Jun 17, 2022 | 45 hrs | 2,646 (26%) | Thunderstorm Wind |
| Feb 24, 2019 | 47 hrs | 2,288 (22%) | Winter Storm |
Over the 11 years from 2015 to 2025, Alleghany County recorded 973 distinct power outage events, averaging 4.0 hours per event.
The single worst outage on record in Alleghany County started June 15, 2018, lasting 2 hours and leaving up to 3,529 customers without power (34% of the county) at its peak.
June has historically been the worst month for outages in Alleghany County, with 111 events recorded during that month across the dataset.
Based on this history, Alleghany County earns a Reliability Grade of D, placing it in the 23rd percentile nationally for grid reliability (higher percentile = more reliable).
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Similar counties in Virginia
Counties with the closest reliability grade and national percentile to Alleghany County.
| County | Grade | National percentile |
|---|---|---|
| Campbell County | D | 23rd |
| Northumberland County | D | 23rd |
| Fauquier County | D | 22nd |
| Waynesboro County | D | 25th |
| Albemarle County | D | 21st |
FAQ
How often does power go out in Alleghany County?
Between 2015 and 2025, Alleghany County recorded 973 outage events, averaging 4.0 hours each.
What is Alleghany County's reliability grade?
Alleghany County has a Reliability Grade of D, in the 23rd national percentile.
What was the worst power outage in Alleghany County?
The worst outage on record started June 15, 2018, lasting 2 hours and affecting up to 3,529 customers.