Alexandria County Power Outage History
2015–2025 · Virginia
Average — typical outage frequency and duration nationally. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Jun 21, 2015 | 8 hrs | 18,174 (24%) | Tropical Storm Bill |
| May 16, 2025 | 46 hrs | 17,839 (24%) | Thunderstorm Wind |
| Jul 29, 2023 | 36 hrs | 17,627 (24%) | Excessive Heat |
| Mar 2, 2018 | 73 hrs | 13,858 (19%) | Dense Fog |
| Oct 24, 2020 | 2 hrs | 12,773 (17%) | Dense Fog |
Over the 11 years from 2015 to 2025, Alexandria County recorded 831 distinct power outage events, averaging 2.6 hours per event.
The single worst outage on record in Alexandria County started June 21, 2015 (Tropical Storm Bill), lasting 8 hours and leaving up to 18,174 customers without power (24% of the county) at its peak.
July has historically been the worst month for outages in Alexandria County, with 100 events recorded during that month across the dataset.
Based on this history, Alexandria County earns a Reliability Grade of C, placing it in the 56th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Alexandria County's outage profile
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Similar counties in Virginia
Counties with the closest reliability grade and national percentile to Alexandria County.
| County | Grade | National percentile |
|---|---|---|
| Caroline County | C | 57th |
| Greene County | C | 55th |
| Arlington County | C | 55th |
| Hopewell County | C | 55th |
| Page County | C | 58th |
FAQ
How often does power go out in Alexandria County?
Between 2015 and 2025, Alexandria County recorded 831 outage events, averaging 2.6 hours each.
What is Alexandria County's reliability grade?
Alexandria County has a Reliability Grade of C, in the 56th national percentile.
What was the worst power outage in Alexandria County?
The worst outage on record started June 21, 2015 (Tropical Storm Bill), lasting 8 hours and affecting up to 18,174 customers.