James City 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 |
|---|---|---|---|
| Dec 9, 2018 | 52 hrs | 21,010 (52%) | Winter Storm |
| Oct 12, 2018 | 70 hrs | 18,602 (46%) | Heavy Rain |
| Oct 9, 2016 | 42 hrs | 12,624 (31%) | Heavy Rain |
| Aug 4, 2020 | 28 hrs | 9,301 (23%) | Tropical Storm Isaias |
| Jul 30, 2019 | <1 hr | 8,286 (21%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for James City County, Virginia that day.
Over the 11 years from 2015 to 2025, James City County recorded 471 distinct power outage events, averaging 2.8 hours per event.
The single worst outage on record in James City County started December 9, 2018 (Winter Storm), lasting 52 hours and leaving up to 21,010 customers without power (52% of the county) at its peak.
August has historically been the worst month for outages in James City County, with 57 events recorded during that month across the dataset.
Based on this history, James City County earns a Reliability Grade of C, 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 James City County.
| County | Grade | National percentile |
|---|---|---|
| Mecklenburg County | C | 40th |
| Roanoke County | D | 40th |
| Westmoreland County | C | 41st |
| Virginia Beach County | D | 39th |
| Essex County | D | 39th |
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 James City County?
Between 2015 and 2025, James City County recorded 471 outage events, averaging 2.8 hours each.
What is James City County's reliability grade?
James City County has a Reliability Grade of C, in the 40th national percentile.
What was the worst power outage in James City County?
The worst outage on record started December 9, 2018 (Winter Storm), lasting 52 hours and affecting up to 21,010 customers.