Duquesne Light Co: power outages per year
In 2025 the average Duquesne Light Co customer was without power for 14.3 hours, more than the Pennsylvania average of 7.6 h; up from 3.1 h in 2024. The utility served 617,922 customers in Pennsylvania and ranks #1 of 8 large Pennsylvania utilities by outage hours.
By year
| Year | Hours (with major events) | Hours (without) | Interruptions | Customers |
|---|---|---|---|---|
| 2025 | 14.3 | 1.7 | 1.3 | 617,922 |
| 2024 | 3.1 | 2.1 | 1.0 | 613,818 |
| 2023 | 2.4 | 1.1 | 0.8 | 613,818 |
| 2022 | 2.2 | 2.2 | 0.9 | 607,609 |
| 2021 | 2.9 | 2.9 | 0.9 | 607,609 |
| 2020 | 2.5 | 1.9 | 0.9 | 605,908 |
"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 Duquesne Light Co outages
An average outage here lasted about 11.2 hours in 2025. Size backup for the longest outage you want to ride through, not the average.
Other large utilities in Pennsylvania
FAQ
How many hours a year are Duquesne Light Co customers without power?
14.3 hours per customer in 2025 including major event days (1.7 h without them), as Duquesne Light Co reported to the U.S. EIA.
How long does a typical Duquesne Light Co outage last?
About 11.2 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 →