PowerOutageHistory
Reliability Grade
C
Average
2014-2025
New York

Cayuga CountyPower Outage History

20142025 · New York
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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.

Takeaway
Typical outage risk
Reliability Rank
Fuller bar = more reliable
Nationwide50th pct
In New York#21 of 61
See full New York rankings →
Total events
611
Recorded 2014–2025
Avg duration
2.8 hrs
Per outage event
Longest outage
52 hrs
Single worst event on record
Customers served
40,433
Utility customers in county

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Jul 10, 2018<1 hr37,627 (93%)Unnamed event
Jan 9, 202452 hrs12,075 (30%)Heavy Snow
Jun 12, 20171 hrs11,615 (29%)Coastal Flood
May 23, 2018<1 hr9,614 (24%)Unnamed event
Jan 10, 20167 hrs9,289 (23%)High Wind

Was There an Outage on a Specific Date?

Pick a date to see whether a power outage was recorded for Cayuga County, New York that day.

Over the 12 years from 2014 to 2025, Cayuga County recorded 611 distinct power outage events, averaging 2.8 hours per event.

The single worst outage on record in Cayuga County started July 10, 2018, lasting less than 1 hour and leaving up to 37,627 customers without power (93% of the county) at its peak.

June has historically been the worst month for outages in Cayuga County, with 71 events recorded during that month across the dataset.

Based on this history, Cayuga County earns a Reliability Grade of C, placing it in the 50th percentile nationally for grid reliability (higher percentile = more reliable).

Similar counties in New York

Counties with the closest reliability grade and national percentile to Cayuga County.

CountyGradeNational percentile
Wayne CountyC50th
Jefferson CountyC51st
Nassau CountyC51st
Rockland CountyC49th
Monroe CountyC48th

Most reliable counties nationally

The top 3 counties nationally by reliability grade and percentile.

CountyStateGradeNational percentile
Clay CountySouth DakotaA100th
Clearwater CountyMinnesotaA99th
Limestone CountyAlabamaA99th

Least reliable counties nationally

The bottom 3 counties nationally by reliability grade and percentile.

FAQ

How often does power go out in Cayuga County?

Between 2014 and 2025, Cayuga County recorded 611 outage events, averaging 2.8 hours each.

What is Cayuga County's reliability grade?

Cayuga County has a Reliability Grade of C, in the 50th national percentile.

What was the worst power outage in Cayuga County?

The worst outage on record started July 10, 2018, lasting less than 1 hour and affecting up to 37,627 customers.

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Data: ORNL EAGLE-I Recorded Electricity Outages (2014–2025), CC BY 4.0. Storm names: NOAA Storm Events Database. Last data refresh: 2025. See methodology.