Northumberland CountyPower Outage History
What this grade means
Worse than average — more frequent or longer outages than most counties. This county's recorded history shows more frequent outages and/or longer restoration times than most US counties over the same 12-year period. If you live here, it's worth taking backup power more seriously than an average household would.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Mar 2, 2018 | 82 hrs | 7,681 (59%) | High Wind |
| Aug 4, 2020 | 59 hrs | 7,442 (57%) | Tropical Storm Isaias |
| May 1, 2024 | 3 hrs | 7,157 (55%) | Unnamed event |
| Oct 12, 2018 | 90 hrs | 5,925 (45%) | Heavy Rain |
| Jan 9, 2024 | 3 hrs | 4,524 (35%) | Coastal Flood |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Northumberland County, Virginia that day.
Over the 12 years from 2014 to 2025, Northumberland County recorded 868 distinct power outage events, averaging 2.8 hours per event.
The single worst outage on record in Northumberland County started March 2, 2018 (High Wind), lasting 82 hours and leaving up to 7,681 customers without power (59% of the county) at its peak.
July has historically been the worst month for outages in Northumberland County, with 124 events recorded during that month across the dataset.
Based on this history, Northumberland County earns a Reliability Grade of D, placing it in the 23rd percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Virginia
Counties with the closest reliability grade and national percentile to Northumberland County.
| County | Grade | National percentile |
|---|---|---|
| Campbell County | D | 23rd |
| Alleghany County | D | 23rd |
| Fauquier County | D | 22nd |
| Albemarle County | D | 21st |
| Halifax County | D | 21st |
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 Northumberland County?
Between 2014 and 2025, Northumberland County recorded 868 outage events, averaging 2.8 hours each.
What is Northumberland County's reliability grade?
Northumberland County has a Reliability Grade of D, in the 23rd national percentile.
What was the worst power outage in Northumberland County?
The worst outage on record started March 2, 2018 (High Wind), lasting 82 hours and affecting up to 7,681 customers.