PowerOutageHistory
Reliability Grade
F
Least reliable
2014-2025
Virginia

Tazewell CountyPower Outage History

20142025 · 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
Nationwide15th pct
In Virginia#90 of 126
See full Virginia rankings →
Total events
742
Recorded 2014–2025
Avg duration
4.3 hrs
Per outage event
Longest outage
221 hrs
Single worst event on record
Customers served
29,559
Utility customers in county

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Sep 27, 2024221 hrs18,835 (64%)Hurricane Helene
Feb 20, 201923 hrs6,723 (23%)High Wind
Oct 18, 20183 hrs6,299 (21%)Unnamed event
Jan 13, 20194 hrs5,370 (18%)Winter Storm
Jul 18, 20182 hrs4,489 (15%)Unnamed event

Was There an Outage on a Specific Date?

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

Over the 12 years from 2014 to 2025, Tazewell County recorded 742 distinct power outage events, averaging 4.3 hours per event.

The single worst outage on record in Tazewell County started September 27, 2024 (Hurricane Helene), lasting 221 hours and leaving up to 18,835 customers without power (64% of the county) at its peak.

July has historically been the worst month for outages in Tazewell County, with 89 events recorded during that month across the dataset.

Based on this history, Tazewell County earns a Reliability Grade of F, placing it in the 15th percentile nationally for grid reliability (higher percentile = more reliable).

Similar counties in Virginia

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

CountyGradeNational percentile
Bath CountyF15th
Brunswick CountyF15th
King and Queen CountyF15th
Nelson CountyF15th
Appomattox CountyF14th

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 Tazewell County?

Between 2014 and 2025, Tazewell County recorded 742 outage events, averaging 4.3 hours each.

What is Tazewell County's reliability grade?

Tazewell County has a Reliability Grade of F, in the 15th national percentile.

What was the worst power outage in Tazewell County?

The worst outage on record started September 27, 2024 (Hurricane Helene), lasting 221 hours and affecting up to 18,835 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.