Blackout Sizer Calculator
EN
Home›Outages›Michigan›Great Lakes Energy Coop

Great Lakes Energy Coop: power outages per year

In 2025 the average Great Lakes Energy Coop customer was without power for 73.3 hours, more than the Michigan average of 11.2 h; up from 8.1 h in 2024. The utility served 133,028 customers in Michigan and ranks #1 of 4 large Michigan utilities by outage hours.

Hours / customer
73.3h
Without major events
5.3h
Interruptions
4.1
Average outage
17.9h

By year

YearHours (with major events)Hours (without)InterruptionsCustomers
202573.35.34.1133,028
20248.14.32.8131,998
20234.43.41.7130,610
20229.13.52.4129,926
202120.43.43.3128,693
20208.13.52.6126,926

"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 Great Lakes Energy Coop outages

An average outage here lasted about 17.9 hours in 2025. Size backup for the longest outage you want to ride through, not the average.

Size backup for a 18-hour outage →Power stations for a fridgeStandby generators

Other large utilities in Michigan

Indiana Michigan Power Co 15.5 hConsumers Energy Co - (MI) 13.7 hDTE Electric Company 3.2 h

FAQ

How many hours a year are Great Lakes Energy Coop customers without power?

73.3 hours per customer in 2025 including major event days (5.3 h without them), as Great Lakes Energy Coop reported to the U.S. EIA.

How long does a typical Great Lakes Energy Coop outage last?

About 17.9 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 →