Lewis County, NY Power Outages
As of Nov 3, 2:00 AM EST, no power outages were reported in Lewis County, New York by Niagara Mohawk Power Corp..
Lewis 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.
Lewis County power outage history
Every significant outage recorded in Lewis County since late 2014, with likely causes from NOAA storm reports
Since late 2014, DOE's EAGLE-I monitoring system has recorded 292 significant power outages in Lewis County, meaning events that left at least 1% of customers in the dark. The largest (Dec 11–14, 2021) came when high winds left 6,974 customers (55.2% of the county) without power.
From 2018 to 2025, the average customer here lost about 9 hr 23 min of power per year, more than the New York average of 4 hr 22 min. That ranks 21st of 62 New York counties for outage time, where 1st has the most.
December is the riskiest month: it accounted for 22% of all customer outage time from 2018 to 2025. On 102 days in that period, at least 5% of customers were out at the same time. Outage time in Lewis County has fallen recently: about 8 hr 20 min per customer per year in 2022–2025, versus 10 hr 28 min in 2018–2021.
The most recent significant outage on record (Dec 30, 2025) affected 155 customers (1.2%) amid a winter storm.
Worst outages on record
| # | When | Peak customers out | Days | Likely cause (NOAA) |
|---|---|---|---|---|
| 1 | Dec 11–14, 2021 | 6,974(55.2%) | 4 | High winds |
| 2 | Aug 8, 2023 | 6,396(50.6%) | 1 | Tornadoes |
| 3 | Sep 24, 2024 | 6,229(49.3%) | 1 | No major storm reported |
| 4 | Jul 27–30, 2015 | 4,883(38.7%) | 4 | Severe thunderstorms |
| 5 | May 4–10, 2018 | 4,541(36%) | 7 | 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 Lewis County?
Electric companies with service territory in Lewis 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 Boonville - (NY) | Municipal | 3,545 | 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 Lewis County outage headlines in the past week.
Nearby counties
Lewis County power outage FAQ
Is the power out in Lewis County right now?
No outages are currently reported for Lewis County by participating utilities. If your power is out, report it to your electric company.
Which electric company serves Lewis County?
According to EIA-861 service territory data, Niagara Mohawk Power Corp., New York State Elec & Gas Corp, Village of Boonville - (NY) provide electric service in Lewis County, New York.
What was the worst power outage in Lewis County?
The largest outage recorded by DOE's EAGLE-I system since 2014 was Dec 11–14, 2021. It peaked at 6,974 customers without power (55.2% of the county). NOAA storm reports for that period point to high winds.
How often does the power go out in Lewis County?
EAGLE-I has recorded 292 significant outages here since late 2014. From 2018 to 2025 the average customer lost about 9 hr 23 min of power per year, and on 102 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. "Lewis County, NY Power Outages." Accessed November 3, 2026. https://poweroutagetracker.com/outages/new-york/lewis-county