Williamsburg CountyPower Outage History
What this grade means
Average — typical outage frequency and duration nationally. This county sits in the middle of the national distribution — its outage frequency and duration over the past 12 years are close to the nationwide median, neither notably better nor worse than most other US counties. A typical amount of backup-power preparedness is reasonable here.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Jun 22, 2022 | 9 hrs | 3,582 (40%) | Unnamed event |
| Oct 12, 2018 | 86 hrs | 3,211 (36%) | Heavy Rain |
| Feb 7, 2020 | 5 hrs | 2,895 (32%) | Unnamed event |
| Sep 25, 2022 | 15 hrs | 2,554 (29%) | Unnamed event |
| Oct 9, 2016 | 45 hrs | 2,473 (28%) | Heavy Rain |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Williamsburg County, Virginia that day.
Over the 11 years from 2015 to 2025, Williamsburg County recorded 253 distinct power outage events, averaging 3.3 hours per event.
The single worst outage on record in Williamsburg County started June 22, 2022, lasting 9 hours and leaving up to 3,582 customers without power (40% of the county) at its peak.
July has historically been the worst month for outages in Williamsburg County, with 37 events recorded during that month across the dataset.
Based on this history, Williamsburg County earns a Reliability Grade of C, placing it in the 54th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Virginia
Counties with the closest reliability grade and national percentile to Williamsburg County.
| County | Grade | National percentile |
|---|---|---|
| Hopewell County | C | 55th |
| Norfolk County | C | 54th |
| Arlington County | C | 55th |
| Greene County | C | 55th |
| Spotsylvania County | C | 53rd |
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 Williamsburg County?
Between 2015 and 2025, Williamsburg County recorded 253 outage events, averaging 3.3 hours each.
What is Williamsburg County's reliability grade?
Williamsburg County has a Reliability Grade of C, in the 54th national percentile.
What was the worst power outage in Williamsburg County?
The worst outage on record started June 22, 2022, lasting 9 hours and affecting up to 3,582 customers.