Cortland County, NY Power Outages
As of Nov 3, 2:00 AM EST, no power outages were reported in Cortland County, New York by Niagara Mohawk Power Corp..
Cortland County on the New York outage map
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- Limited data
Current outages
Weather alerts
No active outage-relevant weather alerts from the National Weather Service.
Cortland County power outage history
Every significant outage recorded in Cortland County since late 2014, with likely causes from NOAA storm reports
Since late 2014, DOE's EAGLE-I monitoring system has recorded 208 significant power outages in Cortland County, meaning events that left at least 1% of customers in the dark. The largest (Sep 25, 2017) left 8,105 customers (33.9% of the county) without power. NOAA recorded no major storm in the area at the time.
From 2018 to 2025, the average customer here lost about 4 hr 8 min of power per year, close to the New York average of 4 hr 22 min. That ranks 48th of 62 New York counties for outage time, where 1st has the most.
July is the riskiest month: it accounted for 25% of all customer outage time from 2018 to 2025. On 63 days in that period, at least 5% of customers were out at the same time. Outage time in Cortland County has risen recently: about 5 hr 23 min per customer per year in 2022–2025, versus 2 hr 54 min in 2018–2021.
The most recent significant outage on record (Dec 21, 2025) affected 240 customers (1%) amid high winds.
Worst outages on record
| # | When | Peak customers out | Days | Likely cause (NOAA) |
|---|---|---|---|---|
| 1 | Sep 25, 2017 | 8,105(33.9%) | 1 | No major storm reported |
| 2 | Mar 16–18, 2025 | 6,507(27.2%) | 3 | Severe thunderstorms |
| 3 | Jul 10–11, 2024 | 5,534(23.1%) | 2 | Severe thunderstorms |
| 4 | Feb 17, 2022 | 4,936(20.6%) | 1 | High winds |
| 5 | Nov 1, 2019 | 4,550(19%) | 1 | Severe thunderstorms |
Hours without power per customer, by year
When outages happen
Source: DOE/ORNL EAGLE-I recorded electricity outages, 2014–2025 (CC BY 4.0), with likely causes from the NOAA NCEI Storm Events Database. EAGLE-I coverage was partial before 2018, so averages use 2018–2025. Peak counts are the highest number of customers out at one time.
Who provides electricity in Cortland County?
Electric companies with service territory in Cortland County (EIA-861, 2025)
| Utility | Type | Customers (NY) | Avg. outage time / yr | Live data |
|---|---|---|---|---|
| National Grid (Upstate New York) | Investor Owned | 1,724,153 | Reporting | |
| NYSEG | Investor Owned | 923,501 | Not reporting | |
| Village of Marathon - (NY) | Municipal | 929 | Not reporting |
Customer counts are each utility's statewide total in New York. Source: U.S. Energy Information Administration, Form EIA-861 & Electric Power Annual.
Local outage news
No Cortland County outage headlines in the past week.
Cities in Cortland County
Cortland
Nearby counties
Cortland County power outage FAQ
Is the power out in Cortland County right now?
No outages are currently reported for Cortland County by participating utilities. If your power is out, report it to your electric company.
Which electric company serves Cortland County?
According to EIA-861 service territory data, Niagara Mohawk Power Corp., New York State Elec & Gas Corp, Village of Marathon - (NY) provide electric service in Cortland County, New York.
What was the worst power outage in Cortland County?
The largest outage recorded by DOE's EAGLE-I system since 2014 was Sep 25, 2017. It peaked at 8,105 customers without power (33.9% of the county). NOAA storm reports for that period point to no major storm reported.
How often does the power go out in Cortland County?
EAGLE-I has recorded 208 significant outages here since late 2014. From 2018 to 2025 the average customer lost about 4 hr 8 min of power per year, and on 63 days at least 5% of customers were out at once.
Cite this page
You may reuse our derived data under CC BY 4.0 with attribution. Underlying government data is public domain.
PowerOutageTracker.com. "Cortland County, NY Power Outages." Accessed November 3, 2026. https://poweroutagetracker.com/outages/new-york/cortland-county