Essex County Power Outage History
2014–2025 · New York
Bottom 20% least reliable nationally — frequent and/or long outages. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Mar 14, 2023 | 33 hrs | 14,524 (51%) | Winter Storm |
| May 5, 2018 | 72 hrs | 14,418 (51%) | Hail |
| Dec 16, 2022 | 57 hrs | 12,522 (44%) | Winter Storm |
| Jul 10, 2018 | 0 hrs | 9,689 (34%) | Heat |
| Nov 1, 2019 | 83 hrs | 9,373 (33%) | Flood |
Over the 12 years from 2014 to 2025, Essex County recorded 883 distinct power outage events, averaging 3.4 hours per event.
The single worst outage on record in Essex County started March 14, 2023 (Winter Storm), lasting 33 hours and leaving up to 14,524 customers without power (51% of the county) at its peak.
July has historically been the worst month for outages in Essex County, with 104 events recorded during that month across the dataset.
Based on this history, Essex County earns a Reliability Grade of F, placing it in the 13th 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 Essex County.
| County | Grade | National percentile |
|---|---|---|
| Columbia County | F | 13th |
| Chenango County | F | 12th |
| Warren County | F | 11th |
| Schuyler County | F | 15th |
| Sullivan County | F | 10th |
FAQ
How often does power go out in Essex County?
Between 2014 and 2025, Essex County recorded 883 outage events, averaging 3.4 hours each.
What is Essex County's reliability grade?
Essex County has a Reliability Grade of F, in the 13th national percentile.
What was the worst power outage in Essex County?
The worst outage on record started March 14, 2023 (Winter Storm), lasting 33 hours and affecting up to 14,524 customers.