Long Island Power Authority: power outages per year
In 2025 the average Long Island Power Authority customer was without power for 1.1 hours, less than the New York average of 1.9 h; about the same as 2024 (1.1 h). The utility served 1,155,937 customers in New York and ranks #6 of 7 large New York utilities by outage hours.
By year
| Year | Hours (with major events) | Hours (without) | Interruptions | Customers |
|---|---|---|---|---|
| 2025 | 1.1 | 1.0 | 0.8 | 1,155,937 |
| 2024 | 1.1 | 1.0 | 0.7 | 1,151,740 |
| 2023 | 1.0 | 1.0 | 0.7 | 1,155,211 |
| 2022 | 1.0 | 0.9 | 0.7 | 1,151,521 |
| 2021 | 1.1 | 0.9 | 0.7 | 1,147,438 |
| 2020 | 1.3 | 1.1 | 0.9 | 1,144,130 |
"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 Long Island Power Authority outages
An average outage here lasted about 1.4 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 Long Island Power Authority customers without power?
1.1 hours per customer in 2025 including major event days (1.0 h without them), as Long Island Power Authority reported to the U.S. EIA.
How long does a typical Long Island Power Authority outage last?
About 1.4 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 →