Madison County Power Outage History
2014–2025 · New York
Worse than average — more frequent or longer outages than most counties. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Jun 22, 2025 | 60 hrs | 13,208 (39%) | Thunderstorm Wind |
| Jan 1, 2019 | 18 hrs | 10,291 (30%) | Unnamed event |
| Dec 28, 2017 | 1 hrs | 10,003 (29%) | Unnamed event |
| Jan 31, 2023 | 1 hrs | 9,624 (28%) | Unnamed event |
| Jun 15, 2023 | 1 hrs | 8,897 (26%) | Unnamed event |
Over the 12 years from 2014 to 2025, Madison County recorded 625 distinct power outage events, averaging 3.3 hours per event.
The single worst outage on record in Madison County started June 22, 2025 (Thunderstorm Wind), lasting 60 hours and leaving up to 13,208 customers without power (39% of the county) at its peak.
July has historically been the worst month for outages in Madison County, with 82 events recorded during that month across the dataset.
Based on this history, Madison County earns a Reliability Grade of D, placing it in the 39th percentile nationally for grid reliability (higher percentile = more reliable).
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Similar counties in New York
Counties with the closest reliability grade and national percentile to Madison County.
| County | Grade | National percentile |
|---|---|---|
| Genesee County | C | 40th |
| Franklin County | D | 37th |
| Broome County | C | 41st |
| Cattaraugus County | C | 41st |
| Montgomery County | C | 43rd |
FAQ
How often does power go out in Madison County?
Between 2014 and 2025, Madison County recorded 625 outage events, averaging 3.3 hours each.
What is Madison County's reliability grade?
Madison County has a Reliability Grade of D, in the 39th national percentile.
What was the worst power outage in Madison County?
The worst outage on record started June 22, 2025 (Thunderstorm Wind), lasting 60 hours and affecting up to 13,208 customers.