PowerOutageHistory
Reliability Grade
F
Least reliable
2014-2025
Michigan

Oscoda CountyPower Outage History

20142025 · Michigan
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What this grade means

(How grades are calculated)

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
Nationwide2nd pct
In Michigan#81 of 82
See full Michigan rankings →
Total events
750
Recorded 2014–2025
Avg duration
5.1 hrs
Per outage event
Longest outage
107 hrs
Single worst event on record
Customers served
5,072
Utility customers in county

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Dec 16, 202191 hrs4,438 (88%)High Wind
Dec 9, 202323 hrs4,104 (81%)Unnamed event
Jun 13, 201746 hrs3,664 (72%)Thunderstorm Wind
Nov 11, 202021 hrs3,177 (63%)Thunderstorm Wind
Nov 1, 201922 hrs3,070 (61%)Unnamed event

Was There an Outage on a Specific Date?

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

Over the 12 years from 2014 to 2025, Oscoda County recorded 750 distinct power outage events, averaging 5.1 hours per event.

The single worst outage on record in Oscoda County started December 16, 2021 (High Wind), lasting 91 hours and leaving up to 4,438 customers without power (88% of the county) at its peak.

June has historically been the worst month for outages in Oscoda County, with 108 events recorded during that month across the dataset.

Based on this history, Oscoda County earns a Reliability Grade of F, placing it in the 2nd percentile nationally for grid reliability (higher percentile = more reliable).

Similar counties in Michigan

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

CountyGradeNational percentile
Alcona CountyF2nd
Clare CountyF2nd
Ogemaw CountyF1st
Arenac CountyF3rd
Iosco CountyF3rd

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 Oscoda County?

Between 2014 and 2025, Oscoda County recorded 750 outage events, averaging 5.1 hours each.

What is Oscoda County's reliability grade?

Oscoda County has a Reliability Grade of F, in the 2nd national percentile.

What was the worst power outage in Oscoda County?

The worst outage on record started December 16, 2021 (High Wind), lasting 91 hours and affecting up to 4,438 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.