PowerOutageHistory
C

Montgomery County Power Outage History

20142025 · New York

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

Total events
433
Avg duration
3.6 hrs
Longest outage
67 hrs
National percentile
43rd

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Jul 16, 202467 hrs6,714 (27%)Heat
May 17, 20251 hrs4,610 (18%)Thunderstorm Wind
Oct 7, 202046 hrs4,489 (18%)Thunderstorm Wind
Apr 5, 20202 hrs4,437 (18%)Unnamed event
Jul 11, 20171 hrs3,706 (15%)Flash Flood

Over the 12 years from 2014 to 2025, Montgomery County recorded 433 distinct power outage events, averaging 3.6 hours per event.

The single worst outage on record in Montgomery County started July 16, 2024 (Heat), lasting 67 hours and leaving up to 6,714 customers without power (27% of the county) at its peak.

August has historically been the worst month for outages in Montgomery County, with 56 events recorded during that month across the dataset.

Based on this history, Montgomery County earns a Reliability Grade of C, placing it in the 43rd 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

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Similar counties in New York

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

CountyGradeNational percentile
Oswego CountyC43rd
Albany CountyC45th
Cattaraugus CountyC41st
Schenectady CountyC45th
Broome CountyC41st

FAQ

How often does power go out in Montgomery County?

Between 2014 and 2025, Montgomery County recorded 433 outage events, averaging 3.6 hours each.

What is Montgomery County's reliability grade?

Montgomery County has a Reliability Grade of C, in the 43rd national percentile.

What was the worst power outage in Montgomery County?

The worst outage on record started July 16, 2024 (Heat), lasting 67 hours and affecting up to 6,714 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.