Cumberland CountyPower Outage History
2015–2025 · Virginia
Bottom 20% least reliable nationally — frequent and/or long outages.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Oct 11, 2018 | 127 hrs | 4,042 (62%) | Heavy Rain |
| Jan 3, 2022 | 155 hrs | 3,590 (55%) | Winter Storm |
| Feb 12, 2025 | 88 hrs | 3,063 (47%) | Winter Storm |
| Feb 13, 2021 | 119 hrs | 2,845 (44%) | Winter Weather |
| Jan 6, 2025 | 33 hrs | 2,561 (39%) | Unnamed event |
Over the 11 years from 2015 to 2025, Cumberland County recorded 947 distinct power outage events, averaging 3.8 hours per event.
The single worst outage on record in Cumberland County started October 11, 2018 (Heavy Rain), lasting 127 hours and leaving up to 4,042 customers without power (62% of the county) at its peak.
July has historically been the worst month for outages in Cumberland County, with 127 events recorded during that month across the dataset.
Based on this history, Cumberland County earns a Reliability Grade of F, placing it in the 4th 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 Cumberland County.
| County | Grade | National percentile |
|---|---|---|
| Dickenson County | F | 5th |
| Russell County | F | 4th |
| Franklin County | F | 5th |
| Buckingham County | F | 5th |
| Charles City County | F | 5th |
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 Cumberland County?
Between 2015 and 2025, Cumberland County recorded 947 outage events, averaging 3.8 hours each.
What is Cumberland County's reliability grade?
Cumberland County has a Reliability Grade of F, in the 4th national percentile.
What was the worst power outage in Cumberland County?
The worst outage on record started October 11, 2018 (Heavy Rain), lasting 127 hours and affecting up to 4,042 customers.