Mathews County Power Outage History
2015–2025 · Virginia
Bottom 20% least reliable nationally — frequent and/or long outages. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Oct 12, 2018 | 113 hrs | 6,636 (97%) | Heavy Rain |
| Aug 4, 2020 | 53 hrs | 5,954 (87%) | Tropical Storm Isaias |
| Aug 3, 2024 | 5 hrs | 5,443 (80%) | Unnamed event |
| May 27, 2024 | 5 hrs | 5,413 (80%) | Thunderstorm Wind |
| Feb 25, 2016 | 22 hrs | 5,384 (79%) | Unnamed event |
Over the 11 years from 2015 to 2025, Mathews County recorded 645 distinct power outage events, averaging 3.8 hours per event.
The single worst outage on record in Mathews County started October 12, 2018 (Heavy Rain), lasting 113 hours and leaving up to 6,636 customers without power (97% of the county) at its peak.
July has historically been the worst month for outages in Mathews County, with 93 events recorded during that month across the dataset.
Based on this history, Mathews County earns a Reliability Grade of F, placing it in the 9th 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 Mathews County.
| County | Grade | National percentile |
|---|---|---|
| Amherst County | F | 9th |
| Pulaski County | F | 9th |
| Franklin County | F | 9th |
| Lunenburg County | F | 9th |
| Prince Edward County | F | 8th |
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 Mathews County?
Between 2015 and 2025, Mathews County recorded 645 outage events, averaging 3.8 hours each.
What is Mathews County's reliability grade?
Mathews County has a Reliability Grade of F, in the 9th national percentile.
What was the worst power outage in Mathews County?
The worst outage on record started October 12, 2018 (Heavy Rain), lasting 113 hours and affecting up to 6,636 customers.