PowerOutageHistory
D

Montgomery County Power Outage History

20142025 · Virginia

Worse than average — more frequent or longer outages than most counties. How grades are calculated

Total events
781
Avg duration
4.9 hrs
Longest outage
139 hrs
National percentile
27th

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Feb 12, 2025137 hrs22,393 (38%)Winter Storm
Mar 24, 2018139 hrs14,642 (25%)Winter Storm
Jan 6, 202561 hrs6,722 (11%)Winter Storm
Jun 10, 20210 hrs6,452 (11%)Thunderstorm Wind
Oct 11, 20171 hrs6,308 (11%)Unnamed event

Over the 12 years from 2014 to 2025, Montgomery County recorded 781 distinct power outage events, averaging 4.9 hours per event.

The single worst outage on record in Montgomery County started February 12, 2025 (Winter Storm), lasting 137 hours and leaving up to 22,393 customers without power (38% of the county) at its peak.

July has historically been the worst month for outages in Montgomery County, with 80 events recorded during that month across the dataset.

Based on this history, Montgomery County earns a Reliability Grade of D, placing it in the 27th percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Montgomery 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 Montgomery County.

CountyGradeNational percentile
Lancaster CountyD27th
Southampton CountyD26th
Rockbridge CountyD27th
Stafford CountyD27th
Wise CountyD28th

FAQ

How often does power go out in Montgomery County?

Between 2014 and 2025, Montgomery County recorded 781 outage events, averaging 4.9 hours each.

What is Montgomery County's reliability grade?

Montgomery County has a Reliability Grade of D, in the 27th national percentile.

What was the worst power outage in Montgomery County?

The worst outage on record started February 12, 2025 (Winter Storm), lasting 137 hours and affecting up to 22,393 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.