PowerOutageHistory
F

Carroll County Power Outage History

20142025 · Virginia

Bottom 20% least reliable nationally — frequent and/or long outages. How grades are calculated

Total events
866
Avg duration
5.0 hrs
Longest outage
191 hrs
National percentile
3rd

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Sep 27, 2024191 hrs16,866 (88%)Hurricane Helene
Oct 1, 202225 hrs10,175 (53%)Hurricane Ian
Feb 12, 2025139 hrs9,785 (51%)Winter Storm
Nov 15, 201882 hrs9,308 (49%)Ice Storm
Oct 22, 20195 hrs5,731 (30%)Unnamed event

Over the 12 years from 2014 to 2025, Carroll County recorded 866 distinct power outage events, averaging 5.0 hours per event.

The single worst outage on record in Carroll County started September 27, 2024 (Hurricane Helene), lasting 191 hours and leaving up to 16,866 customers without power (88% of the county) at its peak.

July has historically been the worst month for outages in Carroll County, with 90 events recorded during that month across the dataset.

Based on this history, Carroll County earns a Reliability Grade of F, placing it in the 3rd percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Carroll County's outage profile

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Outage-prep kit

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Similar counties in Virginia

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

CountyGradeNational percentile
Scott CountyF3rd
Grayson CountyF2nd
Russell CountyF4th
Cumberland CountyF4th
Floyd CountyF1st

FAQ

How often does power go out in Carroll County?

Between 2014 and 2025, Carroll County recorded 866 outage events, averaging 5.0 hours each.

What is Carroll County's reliability grade?

Carroll County has a Reliability Grade of F, in the 3rd national percentile.

What was the worst power outage in Carroll County?

The worst outage on record started September 27, 2024 (Hurricane Helene), lasting 191 hours and affecting up to 16,866 customers.

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.