Monroe County Power Outage History
2014–2025 · New York
Average — typical outage frequency and duration nationally. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Jul 10, 2018 | 0 hrs | 284,600 (83%) | Heavy Rain |
| Mar 8, 2017 | 86 hrs | 102,160 (30%) | High Wind |
| Dec 11, 2021 | 74 hrs | 36,421 (11%) | High Wind |
| Mar 30, 2018 | 3 hrs | 33,307 (10%) | Unnamed event |
| Mar 12, 2017 | 83 hrs | 32,399 (10%) | High Wind |
Over the 12 years from 2014 to 2025, Monroe County recorded 2,579 distinct power outage events, averaging 2.5 hours per event.
The single worst outage on record in Monroe County started July 10, 2018 (Heavy Rain), lasting 0 hours and leaving up to 284,600 customers without power (83% of the county) at its peak.
July has historically been the worst month for outages in Monroe County, with 338 events recorded during that month across the dataset.
Based on this history, Monroe County earns a Reliability Grade of C, placing it in the 48th 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 Monroe County.
| County | Grade | National percentile |
|---|---|---|
| Rockland County | C | 49th |
| Oneida County | C | 47th |
| Cayuga County | C | 50th |
| Wayne County | C | 50th |
| Jefferson County | C | 51st |
FAQ
How often does power go out in Monroe County?
Between 2014 and 2025, Monroe County recorded 2,579 outage events, averaging 2.5 hours each.
What is Monroe County's reliability grade?
Monroe County has a Reliability Grade of C, in the 48th national percentile.
What was the worst power outage in Monroe County?
The worst outage on record started July 10, 2018 (Heavy Rain), lasting 0 hours and affecting up to 284,600 customers.

