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ALLETE, Inc.: power outages per year

In 2025 the average ALLETE, Inc. customer was without power for 2.4 hours, less than the Minnesota average of 3.0 h; up from 2.0 h in 2024. The utility served 139,872 customers in Minnesota and ranks #2 of 4 large Minnesota utilities by outage hours.

Hours / customer
2.4h
Without major events
1.7h
Interruptions
1.2
Average outage
1.9h

By year

YearHours (with major events)Hours (without)InterruptionsCustomers
20252.41.71.2139,872
20242.02.01.3138,546
20232.01.71.2144,144
20228.31.92.0143,473
20212.52.11.4143,144
20203.02.01.4142,937

"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 ALLETE, Inc. outages

An average outage here lasted about 1.9 hours in 2025. Size backup for the longest outage you want to ride through, not the average.

Size backup for a 2-hour outage →Power stations for a fridgeStandby generators

Other large utilities in Minnesota

Northern States Power Co - Minnesota 3.8 hConnexus Energy 0.9 hDakota Electric Association 0.5 h

FAQ

How many hours a year are ALLETE, Inc. customers without power?

2.4 hours per customer in 2025 including major event days (1.7 h without them), as ALLETE, Inc. reported to the U.S. EIA.

How long does a typical ALLETE, Inc. outage last?

About 1.9 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 →