Cleveland Electric Illum Co: power outages per year
In 2025 the average Cleveland Electric Illum Co customer was without power for 3.3 hours, close to the Ohio average of 3.4 h; down from 32.0 h in 2024. The utility served 745,881 customers in Ohio and ranks #4 of 7 large Ohio utilities by outage hours.
By year
| Year | Hours (with major events) | Hours (without) | Interruptions | Customers |
|---|---|---|---|---|
| 2025 | 3.3 | 2.3 | 1.4 | 745,881 |
| 2024 | 32.0 | 2.5 | 1.8 | 744,898 |
| 2023 | 9.3 | 2.0 | 1.2 | 739,936 |
| 2022 | 3.1 | 2.7 | 1.2 | 735,859 |
| 2021 | 6.6 | 2.3 | 1.6 | 734,672 |
| 2020 | 9.1 | 1.9 | 1.6 | 735,260 |
"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 Cleveland Electric Illum Co outages
An average outage here lasted about 2.4 hours in 2025. Size backup for the longest outage you want to ride through, not the average.
Other large utilities in Ohio
FAQ
How many hours a year are Cleveland Electric Illum Co customers without power?
3.3 hours per customer in 2025 including major event days (2.3 h without them), as Cleveland Electric Illum Co reported to the U.S. EIA.
How long does a typical Cleveland Electric Illum Co outage last?
About 2.4 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 →