PowerOutageHistory
C

Clarke County Power Outage History

20142025 · Virginia

Average — typical outage frequency and duration nationally. How grades are calculated

Total events
731
Avg duration
3.0 hrs
Longest outage
88 hrs
National percentile
60th

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Sep 1, 20161 hrs5,150 (33%)Unnamed event
Nov 29, 20153 hrs5,108 (33%)Unnamed event
Nov 15, 201842 hrs2,748 (18%)Winter Storm
Jan 27, 20170 hrs2,730 (17%)Unnamed event
Feb 7, 20161 hrs2,728 (17%)Flood

Over the 12 years from 2014 to 2025, Clarke County recorded 731 distinct power outage events, averaging 3.0 hours per event.

The single worst outage on record in Clarke County started September 1, 2016, lasting 1 hours and leaving up to 5,150 customers without power (33% of the county) at its peak.

July has historically been the worst month for outages in Clarke County, with 84 events recorded during that month across the dataset.

Based on this history, Clarke County earns a Reliability Grade of C, placing it in the 60th percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Clarke County's outage profile

See more picks in our Best Dual-Fuel Portable Generators for Power Outages roundup.

Outage-prep kit

See our outage-prep guides.

Similar counties in Virginia

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

CountyGradeNational percentile
Page CountyC58th
Caroline CountyC57th
Emporia CountyB63rd
Danville CountyB63rd
Alexandria CountyC56th

FAQ

How often does power go out in Clarke County?

Between 2014 and 2025, Clarke County recorded 731 outage events, averaging 3.0 hours each.

What is Clarke County's reliability grade?

Clarke County has a Reliability Grade of C, in the 60th national percentile.

What was the worst power outage in Clarke County?

The worst outage on record started September 1, 2016, lasting 1 hours and affecting up to 5,150 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.