PowerOutageHistory
Reliability Grade
F
Least reliable
2015-2025
Virginia

Mathews CountyPower Outage History

20152025 · Virginia
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What this grade means

Bottom 20% least reliable nationally — frequent and/or long outages. This county ranks in the least reliable fifth of all US counties in our dataset: some combination of frequent outages, long restoration times, or customers affected puts it near the bottom nationally. Backup power is worth prioritizing here rather than treating it as optional.

Takeaway
High outage risk
Reliability Rank
Fuller bar = more reliable
Nationwide9th pct
In Virginia#108 of 126
See full Virginia rankings →
Total events
645
Recorded 2015–2025
Avg duration
3.8 hrs
Per outage event
Longest outage
113 hrs
Single worst event on record
Customers served
6,808
Utility customers in county

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Oct 12, 2018113 hrs6,636 (97%)Heavy Rain
Aug 4, 202053 hrs5,954 (87%)Tropical Storm Isaias
Aug 3, 20245 hrs5,443 (80%)Unnamed event
May 27, 20245 hrs5,413 (80%)Thunderstorm Wind
Feb 25, 201622 hrs5,384 (79%)Unnamed event

Was There an Outage on a Specific Date?

Pick a date to see whether a power outage was recorded for Mathews County, Virginia that day.

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).

Similar counties in Virginia

Counties with the closest reliability grade and national percentile to Mathews County.

Most reliable counties nationally

The top 3 counties nationally by reliability grade and percentile.

CountyStateGradeNational percentile
Clay CountySouth DakotaA100th
Clearwater CountyMinnesotaA99th
Limestone CountyAlabamaA99th

Least reliable counties nationally

The bottom 3 counties nationally by reliability grade and percentile.

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.

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Data: ORNL EAGLE-I Recorded Electricity Outages (2014–2025), CC BY 4.0. Storm names: NOAA Storm Events Database. Last data refresh: 2025. See methodology.