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Hawaiian Electric Co Inc: power outages per year

In 2025 the average Hawaiian Electric Co Inc customer was without power for 3.4 hours, less than the Hawaii average of 4.7 h; down from 3.9 h in 2024. The utility served 309,996 customers in Hawaii and ranks #1 of 1 large Hawaii utilities by outage hours.

Hours / customer
3.4h
Without major events
2.6h
Interruptions
1.4
Average outage
2.4h

By year

YearHours (with major events)Hours (without)InterruptionsCustomers
20253.42.61.4309,996
20243.92.91.9309,348
20232.51.91.1308,805
20221.51.40.8308,050
20211.91.51.0307,691
20201.61.20.9306,243

"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 Hawaiian Electric Co Inc 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.

Size backup for a 3-hour outage →Power stations for a fridgeStandby generators

FAQ

How many hours a year are Hawaiian Electric Co Inc customers without power?

3.4 hours per customer in 2025 including major event days (2.6 h without them), as Hawaiian Electric Co Inc reported to the U.S. EIA.

How long does a typical Hawaiian Electric Co Inc 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 →