Hamilton County, NY Power Outages
As of Nov 3, 1:45 AM EST, no power outages were reported in Hamilton County, New York by Niagara Mohawk Power Corp..
Hamilton County on the New York outage map
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- Minor
- Moderate
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- Limited data
Current outages
Weather alerts
No active outage-relevant weather alerts from the National Weather Service.
Hamilton County power outage history
Every significant outage recorded in Hamilton County since late 2014, with likely causes from NOAA storm reports
Since late 2014, DOE's EAGLE-I monitoring system has recorded 352 significant power outages in Hamilton County, meaning events that left at least 1% of customers in the dark. The largest (Apr 19–21, 2022) came when a winter storm left 7,289 customers (100% of the county) without power.
From 2018 to 2025, the average customer here lost about 115 hr 39 min of power per year, more than the New York average of 4 hr 22 min. That ranks 1st of 62 New York counties for outage time, where 1st has the most.
April is the riskiest month: it accounted for 22% of all customer outage time from 2018 to 2025. On 346 days in that period, at least 5% of customers were out at the same time. Outage time in Hamilton County has held roughly steady recently: about 107 hr 58 min per customer per year in 2022–2025, versus 123 hr 20 min in 2018–2021.
The most recent significant outage on record (Dec 29–31, 2025) affected 2,468 customers (96.4%) amid a winter storm.
Worst outages on record
| # | When | Peak customers out | Days | Likely cause (NOAA) |
|---|---|---|---|---|
| 1 | Apr 19–21, 2022 | 7,289(100%) | 3 | Winter storm |
| 2 | May 5–7, 2018 | 5,981(100%) | 3 | Severe thunderstorms |
| 3 | Dec 11–17, 2021 | 5,752(100%) | 7 | High winds |
| 4 | Nov 1–4, 2019 | 5,432(100%) | 4 | Flooding |
| 5 | Mar 9–12, 2024 | 4,545(100%) | 4 | Winter storm |
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 Hamilton County?
Electric companies with service territory in Hamilton 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 |
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 Hamilton County outage headlines in the past week.
Hamilton County power outage FAQ
Is the power out in Hamilton County right now?
No outages are currently reported for Hamilton County by participating utilities. If your power is out, report it to your electric company.
Which electric company serves Hamilton County?
According to EIA-861 service territory data, Niagara Mohawk Power Corp., New York State Elec & Gas Corp provide electric service in Hamilton County, New York.
What was the worst power outage in Hamilton County?
The largest outage recorded by DOE's EAGLE-I system since 2014 was Apr 19–21, 2022. It peaked at 7,289 customers without power (100% of the county). NOAA storm reports for that period point to winter storm.
How often does the power go out in Hamilton County?
EAGLE-I has recorded 352 significant outages here since late 2014. From 2018 to 2025 the average customer lost about 115 hr 39 min of power per year, and on 346 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. "Hamilton County, NY Power Outages." Accessed November 3, 2026. https://poweroutagetracker.com/outages/new-york/hamilton-county