Montgomery CountyPower Outage History
What this grade means
Average — typical outage frequency and duration nationally. This county sits in the middle of the national distribution — its outage frequency and duration over the past 12 years are close to the nationwide median, neither notably better nor worse than most other US counties. A typical amount of backup-power preparedness is reasonable here.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Jul 16, 2024 | 67 hrs | 6,714 (27%) | Heat |
| May 17, 2025 | 1 hrs | 4,610 (18%) | Thunderstorm Wind |
| Oct 7, 2020 | 46 hrs | 4,489 (18%) | Thunderstorm Wind |
| Apr 5, 2020 | 2 hrs | 4,437 (18%) | Unnamed event |
| Jul 11, 2017 | 1 hrs | 3,706 (15%) | Flash Flood |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Montgomery County, New York that day.
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).
Similar counties in New York
Counties with the closest reliability grade and national percentile to Montgomery County.
| County | Grade | National percentile |
|---|---|---|
| Oswego County | C | 43rd |
| Albany County | C | 45th |
| Cattaraugus County | C | 41st |
| Schenectady County | C | 45th |
| Broome County | C | 41st |
Most reliable counties nationally
The top 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | South Dakota | A | 100th |
| Clearwater County | Minnesota | A | 99th |
| Limestone County | Alabama | A | 99th |
Least reliable counties nationally
The bottom 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | West Virginia | F | 0th |
| Lincoln County | West Virginia | F | 0th |
| Cameron Parish | Louisiana | F | 0th |
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.