PowerOutageHistory
Reliability Grade
F
Least reliable
2014-2025
Michigan

Montcalm CountyPower Outage History

20142025 · Michigan
Share

What this grade means

Bottom 20% least reliable nationally — frequent and/or long outages. This county ranks in the least reliable fifth of all US counties in our dataset: some combination of frequent outages, long restoration times, or customers affected puts it near the bottom nationally. Backup power is worth prioritizing here rather than treating it as optional.

Takeaway
High outage risk
Reliability Rank
Fuller bar = more reliable
Nationwide14th pct
In Michigan#49 of 82
See full Michigan rankings →
Total events
710
Recorded 2014–2025
Avg duration
4.7 hrs
Per outage event
Longest outage
105 hrs
Single worst event on record
Customers served
42,062
Utility customers in county

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Feb 27, 202380 hrs15,525 (37%)Winter Storm
Feb 7, 2019105 hrs15,042 (36%)Unnamed event
Dec 11, 202163 hrs9,757 (23%)Unnamed event
Mar 30, 20227 hrs8,352 (20%)Unnamed event
Jul 20, 201967 hrs8,323 (20%)Unnamed event

Was There an Outage on a Specific Date?

Pick a date to see whether a power outage was recorded for Montcalm County, Michigan that day.

Over the 12 years from 2014 to 2025, Montcalm County recorded 710 distinct power outage events, averaging 4.7 hours per event.

The single worst outage on record in Montcalm County started February 27, 2023 (Winter Storm), lasting 80 hours and leaving up to 15,525 customers without power (37% of the county) at its peak.

June has historically been the worst month for outages in Montcalm County, with 97 events recorded during that month across the dataset.

Based on this history, Montcalm County earns a Reliability Grade of F, placing it in the 14th percentile nationally for grid reliability (higher percentile = more reliable).

Similar counties in Michigan

Counties with the closest reliability grade and national percentile to Montcalm County.

CountyGradeNational percentile
Leelanau CountyF13th
Branch CountyF13th
Ionia CountyF12th
Mecosta CountyF16th
Calhoun CountyF16th

Most reliable counties nationally

The top 3 counties nationally by reliability grade and percentile.

CountyStateGradeNational percentile
Clay CountySouth DakotaA100th
Clearwater CountyMinnesotaA99th
Limestone CountyAlabamaA99th

Least reliable counties nationally

The bottom 3 counties nationally by reliability grade and percentile.

FAQ

How often does power go out in Montcalm County?

Between 2014 and 2025, Montcalm County recorded 710 outage events, averaging 4.7 hours each.

What is Montcalm County's reliability grade?

Montcalm County has a Reliability Grade of F, in the 14th national percentile.

What was the worst power outage in Montcalm County?

The worst outage on record started February 27, 2023 (Winter Storm), lasting 80 hours and affecting up to 15,525 customers.

Share
Data: ORNL EAGLE-I Recorded Electricity Outages (2014–2025), CC BY 4.0. Storm names: NOAA Storm Events Database. Last data refresh: 2025. See methodology.