PowerOutageHistory
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Frederick County Power Outage History

20142025 · Virginia

Top 20% most reliable nationally — infrequent, short outages. How grades are calculated

Total events
485
Avg duration
2.4 hrs
Longest outage
52 hrs
National percentile
86th

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Feb 13, 201938 hrs6,659 (7%)Winter Weather
Feb 12, 201913 hrs6,646 (7%)Winter Weather
Dec 15, 202252 hrs6,135 (7%)Ice Storm
Feb 12, 20195 hrs5,656 (6%)Winter Weather
Feb 13, 20176 hrs4,936 (5%)High Wind

Over the 12 years from 2014 to 2025, Frederick County recorded 485 distinct power outage events, averaging 2.4 hours per event.

The single worst outage on record in Frederick County started February 13, 2019 (Winter Weather), lasting 38 hours and leaving up to 6,659 customers without power (7% of the county) at its peak.

July has historically been the worst month for outages in Frederick County, with 65 events recorded during that month across the dataset.

Based on this history, Frederick County earns a Reliability Grade of A, placing it in the 86th percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Frederick County's outage profile

See more picks in our Best Small Power Stations (Under 1,000Wh) roundup.

Outage-prep kit

See our outage-prep guides.

Similar counties in Virginia

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

CountyGradeNational percentile
Richmond CountyA86th
Prince William CountyA88th
Staunton CountyA82nd
Winchester CountyA93rd
Accomack CountyB78th

FAQ

How often does power go out in Frederick County?

Between 2014 and 2025, Frederick County recorded 485 outage events, averaging 2.4 hours each.

What is Frederick County's reliability grade?

Frederick County has a Reliability Grade of A, in the 86th national percentile.

What was the worst power outage in Frederick County?

The worst outage on record started February 13, 2019 (Winter Weather), lasting 38 hours and affecting up to 6,659 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.