Erie 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 | 147,874 (28%) | Unnamed event |
| Jan 12, 2020 | 33 hrs | 52,605 (10%) | High Wind |
| Oct 31, 2019 | 72 hrs | 52,555 (10%) | Lakeshore Flood |
| Feb 24, 2019 | 57 hrs | 48,865 (9%) | Lakeshore Flood |
| Dec 11, 2021 | 51 hrs | 46,288 (9%) | High Wind |
Over the 12 years from 2014 to 2025, Erie County recorded 3,213 distinct power outage events, averaging 2.3 hours per event.
The single worst outage on record in Erie County started July 10, 2018, lasting 0 hours and leaving up to 147,874 customers without power (28% of the county) at its peak.
July has historically been the worst month for outages in Erie County, with 371 events recorded during that month across the dataset.
Based on this history, Erie County earns a Reliability Grade of C, placing it in the 59th 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 Erie County.
| County | Grade | National percentile |
|---|---|---|
| Livingston County | C | 60th |
| Niagara County | C | 58th |
| Tompkins County | B | 61st |
| Cortland County | C | 57th |
| Clinton County | C | 55th |
FAQ
How often does power go out in Erie County?
Between 2014 and 2025, Erie County recorded 3,213 outage events, averaging 2.3 hours each.
What is Erie County's reliability grade?
Erie County has a Reliability Grade of C, in the 59th national percentile.
What was the worst power outage in Erie County?
The worst outage on record started July 10, 2018, lasting 0 hours and affecting up to 147,874 customers.