PowerOutageHistory
Reliability Grade
F
Least reliable
2014-2025
Michigan

Roscommon CountyPower Outage History

20142025 · Michigan
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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
Nationwide6th pct
In Michigan#73 of 82
See full Michigan rankings →
Total events
876
Recorded 2014–2025
Avg duration
4.4 hrs
Per outage event
Longest outage
94 hrs
Single worst event on record
Customers served
13,832
Utility customers in county

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Jun 15, 20228 hrs12,850 (93%)Unnamed event
Aug 29, 201894 hrs12,056 (87%)Thunderstorm Wind
May 21, 20248 hrs11,793 (85%)Unnamed event
Oct 12, 202210 hrs11,746 (85%)Thunderstorm Wind
Jul 12, 2019<1 hr11,502 (83%)Unnamed event

Was There an Outage on a Specific Date?

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

Over the 12 years from 2014 to 2025, Roscommon County recorded 876 distinct power outage events, averaging 4.4 hours per event.

The single worst outage on record in Roscommon County started June 15, 2022, lasting 8 hours and leaving up to 12,850 customers without power (93% of the county) at its peak.

July has historically been the worst month for outages in Roscommon County, with 122 events recorded during that month across the dataset.

Based on this history, Roscommon County earns a Reliability Grade of F, placing it in the 6th percentile nationally for grid reliability (higher percentile = more reliable).

Similar counties in Michigan

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

CountyGradeNational percentile
Van Buren CountyF6th
Wayne CountyF6th
Missaukee CountyF7th
Mackinac CountyF7th
Lake CountyF7th

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 Roscommon County?

Between 2014 and 2025, Roscommon County recorded 876 outage events, averaging 4.4 hours each.

What is Roscommon County's reliability grade?

Roscommon County has a Reliability Grade of F, in the 6th national percentile.

What was the worst power outage in Roscommon County?

The worst outage on record started June 15, 2022, lasting 8 hours and affecting up to 12,850 customers.

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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.