Ontario County, NY Power Outages
As of Nov 3, 2:00 AM EST, no power outages were reported in Ontario County, New York by Niagara Mohawk Power Corp..
Ontario County on the New York outage map
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Current outages
Weather alerts
No active outage-relevant weather alerts from the National Weather Service.
Ontario County power outage history
Every significant outage recorded in Ontario County since late 2014, with likely causes from NOAA storm reports
Since late 2014, DOE's EAGLE-I monitoring system has recorded 202 significant power outages in Ontario County, meaning events that left at least 1% of customers in the dark. The largest (Jul 10, 2018) came when severe thunderstorms left 47,792 customers (62.9% of the county) without power.
From 2018 to 2025, the average customer here lost about 2 hr 45 min of power per year, less than the New York average of 4 hr 22 min. That ranks 57th of 62 New York counties for outage time, where 1st has the most.
On 31 days in that period, at least 5% of customers were out at the same time. Outage time in Ontario County has risen recently: about 3 hr 10 min per customer per year in 2022–2025, versus 2 hr 21 min in 2018–2021.
The most recent significant outage on record (Dec 29, 2025) affected 2,073 customers (2.7%) amid a winter storm.
Worst outages on record
| # | When | Peak customers out | Days | Likely cause (NOAA) |
|---|---|---|---|---|
| 1 | Jul 10, 2018 | 47,792(62.9%) | 1 | Severe thunderstorms |
| 2 | Dec 10, 2020 | 21,726(28.6%) | 1 | No major storm reported |
| 3 | Dec 23–25, 2022 | 8,873(11.7%) | 3 | Winter Storm Elliott |
| 4 | May 25, 2017 | 8,620(11.3%) | 1 | No major storm reported |
| 5 | Jun 23, 2015 | 7,799(10.3%) | 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 Ontario County?
Electric companies with service territory in Ontario 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 | |
| RG&E | Investor Owned | 394,444 | 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 Ontario County outage headlines in the past week.
Nearby counties
Ontario County power outage FAQ
Is the power out in Ontario County right now?
No outages are currently reported for Ontario County by participating utilities. If your power is out, report it to your electric company.
Which electric company serves Ontario County?
According to EIA-861 service territory data, Niagara Mohawk Power Corp., New York State Elec & Gas Corp, Rochester Gas & Electric Corp provide electric service in Ontario County, New York.
What was the worst power outage in Ontario County?
The largest outage recorded by DOE's EAGLE-I system since 2014 was Jul 10, 2018. It peaked at 47,792 customers without power (62.9% of the county). NOAA storm reports for that period point to severe thunderstorms.
How often does the power go out in Ontario County?
EAGLE-I has recorded 202 significant outages here since late 2014. From 2018 to 2025 the average customer lost about 2 hr 45 min of power per year, and on 31 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. "Ontario County, NY Power Outages." Accessed November 3, 2026. https://poweroutagetracker.com/outages/new-york/ontario-county