PowerOutageHistory
D

Rensselaer County Power Outage History

20142025 · New York

Worse than average — more frequent or longer outages than most counties. How grades are calculated

Total events
1,126
Avg duration
3.3 hrs
Longest outage
84 hrs
National percentile
25th

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Oct 7, 202084 hrs41,294 (51%)Thunderstorm Wind
Mar 23, 202456 hrs28,141 (35%)Winter Storm
Mar 14, 202363 hrs23,478 (29%)Winter Storm
May 5, 201734 hrs14,546 (18%)Thunderstorm Wind
Jul 17, 202211 hrs12,866 (16%)Thunderstorm Wind

Over the 12 years from 2014 to 2025, Rensselaer County recorded 1,126 distinct power outage events, averaging 3.3 hours per event.

The single worst outage on record in Rensselaer County started October 7, 2020 (Thunderstorm Wind), lasting 84 hours and leaving up to 41,294 customers without power (51% of the county) at its peak.

July has historically been the worst month for outages in Rensselaer County, with 149 events recorded during that month across the dataset.

Based on this history, Rensselaer County earns a Reliability Grade of D, placing it in the 25th percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Rensselaer County's outage profile

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Outage-prep kit

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Similar counties in New York

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

CountyGradeNational percentile
Otsego CountyD25th
Fulton CountyD25th
Saratoga CountyD24th
Schoharie CountyD26th
Greene CountyD23rd

FAQ

How often does power go out in Rensselaer County?

Between 2014 and 2025, Rensselaer County recorded 1,126 outage events, averaging 3.3 hours each.

What is Rensselaer County's reliability grade?

Rensselaer County has a Reliability Grade of D, in the 25th national percentile.

What was the worst power outage in Rensselaer County?

The worst outage on record started October 7, 2020 (Thunderstorm Wind), lasting 84 hours and affecting up to 41,294 customers.

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.