King William County Power Outage History
2014–2025 · 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 17, 2022 | 24 hrs | 6,442 (42%) | Thunderstorm Wind |
| Jul 18, 2023 | 2 hrs | 4,306 (28%) | Flash Flood |
| Oct 12, 2018 | 91 hrs | 4,288 (28%) | Heavy Rain |
| Jun 17, 2016 | 12 hrs | 3,616 (24%) | Thunderstorm Wind |
| Aug 6, 2021 | 3 hrs | 3,489 (23%) | Unnamed event |
Over the 12 years from 2014 to 2025, King William County recorded 593 distinct power outage events, averaging 3.2 hours per event.
The single worst outage on record in King William County started June 17, 2022 (Thunderstorm Wind), lasting 24 hours and leaving up to 6,442 customers without power (42% of the county) at its peak.
June has historically been the worst month for outages in King William County, with 91 events recorded during that month across the dataset.
Based on this history, King William County earns a Reliability Grade of C, placing it in the 50th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for King William County's outage profile
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Similar counties in Virginia
Counties with the closest reliability grade and national percentile to King William County.
| County | Grade | National percentile |
|---|---|---|
| Greensville County | C | 51st |
| Fredericksburg County | C | 51st |
| Chesapeake County | C | 48th |
| Portsmouth County | C | 48th |
| Hampton County | C | 47th |
FAQ
How often does power go out in King William County?
Between 2014 and 2025, King William County recorded 593 outage events, averaging 3.2 hours each.
What is King William County's reliability grade?
King William County has a Reliability Grade of C, in the 50th national percentile.
What was the worst power outage in King William County?
The worst outage on record started June 17, 2022 (Thunderstorm Wind), lasting 24 hours and affecting up to 6,442 customers.