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Duke Energy Indiana, LLC: power outages per year

In 2025 the average Duke Energy Indiana, LLC customer was without power for 4.4 hours, less than the Indiana average of 5.7 h; about the same as 2024 (4.9 h). The utility served 919,154 customers in Indiana and ranks #5 of 5 large Indiana utilities by outage hours.

Hours / customer
4.4h
Without major events
1.8h
Interruptions
1.3
Average outage
3.5h

By year

YearHours (with major events)Hours (without)InterruptionsCustomers
20254.41.81.3919,154
20244.91.91.2910,102
202310.71.61.5886,225
20223.62.71.3874,784
20213.42.11.1862,431
20204.62.01.3874,689

"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 Duke Energy Indiana, LLC outages

An average outage here lasted about 3.5 hours in 2025. Size backup for the longest outage you want to ride through, not the average.

Size backup for a 4-hour outage →Power stations for a fridgeStandby generators

Other large utilities in Indiana

Southern Indiana Gas & Elec Co 15.8 hNorthern Indiana Pub Serv Co 8.9 hAES Indiana 4.9 hIndiana Michigan Power Co 4.7 h

FAQ

How many hours a year are Duke Energy Indiana, LLC customers without power?

4.4 hours per customer in 2025 including major event days (1.8 h without them), as Duke Energy Indiana, LLC reported to the U.S. EIA.

How long does a typical Duke Energy Indiana, LLC outage last?

About 3.5 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 →