Niagara Mohawk Power Corp.: power outages per year
In 2025 the average Niagara Mohawk Power Corp. customer was without power for 4.0 hours, more than the New York average of 1.9 h; down from 8.5 h in 2024. The utility served 1,692,175 customers in New York and ranks #3 of 7 large New York utilities by outage hours.
By year
| Year | Hours (with major events) | Hours (without) | Interruptions | Customers |
|---|---|---|---|---|
| 2025 | 4.0 | 2.3 | 1.4 | 1,692,175 |
| 2024 | 8.5 | 2.3 | 1.7 | 1,690,739 |
| 2023 | 3.5 | 2.2 | 1.1 | 1,679,983 |
| 2022 | 5.9 | 2.5 | 1.5 | 1,678,861 |
| 2021 | 3.7 | 2.2 | 1.3 | 1,674,003 |
| 2020 | 7.6 | 2.4 | 1.5 | 1,663,243 |
"With major events" includes storm days that utilities may exclude from their own reliability targets; it is what customers actually live through. The gap between the two columns shows how much of the year's outage time came from big storms.
Backup power for Niagara Mohawk Power Corp. outages
An average outage here lasted about 2.9 hours in 2025. Size backup for the longest outage you want to ride through, not the average.
Other large utilities in New York
FAQ
How many hours a year are Niagara Mohawk Power Corp. customers without power?
4.0 hours per customer in 2025 including major event days (2.3 h without them), as Niagara Mohawk Power Corp. reported to the U.S. EIA.
How long does a typical Niagara Mohawk Power Corp. outage last?
About 2.9 hours on average in 2025 (total outage minutes divided by the number of interruptions). Storms make single events much longer.
Source: U.S. EIA Form 861, Reliability file, 2020–2025. Data snapshot . Utilities ranked nationwide →