Sussex 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 19, 2018 | 3 hrs | 1,582 (23%) | Unnamed event |
| Feb 13, 2021 | 126 hrs | 1,541 (23%) | Ice Storm |
| Oct 12, 2018 | 57 hrs | 1,291 (19%) | Heavy Rain |
| Dec 7, 2021 | 9 hrs | 1,274 (19%) | Unnamed event |
| Jul 18, 2025 | 26 hrs | 1,219 (18%) | Flash Flood |
Over the 12 years from 2014 to 2025, Sussex County recorded 487 distinct power outage events, averaging 4.1 hours per event.
The single worst outage on record in Sussex County started June 19, 2018, lasting 3 hours and leaving up to 1,582 customers without power (23% of the county) at its peak.
July has historically been the worst month for outages in Sussex County, with 80 events recorded during that month across the dataset.
Based on this history, Sussex County earns a Reliability Grade of C, placing it in the 46th 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 Sussex County.
| County | Grade | National percentile |
|---|---|---|
| Newport News County | C | 46th |
| Culpeper County | C | 45th |
| Orange County | C | 46th |
| Lynchburg County | C | 44th |
| Augusta County | C | 47th |
Most reliable counties in Virginia
The top 3 counties in Virginia by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Manassas Park County | A | 96th |
| Radford County | A | 95th |
| Winchester County | A | 93rd |
Least reliable counties in Virginia
The bottom 3 counties in Virginia by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Bland County | F | 1st |
| Floyd County | F | 1st |
| Grayson County | F | 2nd |
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 Sussex County?
Between 2014 and 2025, Sussex County recorded 487 outage events, averaging 4.1 hours each.
What is Sussex County's reliability grade?
Sussex County has a Reliability Grade of C, in the 46th national percentile.
What was the worst power outage in Sussex County?
The worst outage on record started June 19, 2018, lasting 3 hours and affecting up to 1,582 customers.