PowerOutageHistory
BReliability Grade

Moultrie CountyPower Outage History

20152025 · Illinois

Better than average — fewer or shorter outages than most counties.

How grades are calculated

Jump to most/least reliable counties ↓

Share
Reliability Rank
Higher percentile = more reliable
Nationwide77th pct
In Illinois74th pct
Total events
186
Avg duration
2.7 hrs
Longest outage
101 hrs
Customers served
6,492
Utility customers in county

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Dec 11, 202141 hrs2,845 (44%)Tornado
Mar 15, 202517 hrs2,684 (41%)Thunderstorm Wind
Feb 3, 202230 hrs2,608 (40%)Winter Storm
Mar 29, 20201 hrs2,368 (36%)Unnamed event
Dec 4, 20222 hrs2,062 (32%)Unnamed event

Over the 11 years from 2015 to 2025, Moultrie County recorded 186 distinct power outage events, averaging 2.7 hours per event.

The single worst outage on record in Moultrie County started December 11, 2021 (Tornado), lasting 41 hours and leaving up to 2,845 customers without power (44% of the county) at its peak.

April has historically been the worst month for outages in Moultrie County, with 20 events recorded during that month across the dataset.

Based on this history, Moultrie County earns a Reliability Grade of B, placing it in the 77th percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Moultrie County's outage profile

See more picks in our Best Small Power Stations (Under 1,000Wh) roundup.

Outage-prep kit

See our outage-prep guides.

Similar counties in Illinois

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

CountyGradeNational percentile
Grundy CountyB77th
Hamilton CountyB77th
McDonough CountyB76th
Union CountyB76th
Macoupin CountyB75th

Most reliable counties in Illinois

The top 3 counties in Illinois by reliability grade and percentile.

CountyGradeNational percentile
Wabash CountyA97th
Massac CountyA94th
Kendall CountyA93rd

Least reliable counties in Illinois

The bottom 3 counties in Illinois by reliability grade and percentile.

CountyGradeNational percentile
Mercer CountyF11th
Stark CountyF13th
Henderson CountyF19th

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.

CountyStateGradeNational percentile
Clay CountyWest VirginiaF0th
Lincoln CountyWest VirginiaF0th
Cameron ParishLouisianaF0th

FAQ

How often does power go out in Moultrie County?

Between 2015 and 2025, Moultrie County recorded 186 outage events, averaging 2.7 hours each.

What is Moultrie County's reliability grade?

Moultrie County has a Reliability Grade of B, in the 77th national percentile.

What was the worst power outage in Moultrie County?

The worst outage on record started December 11, 2021 (Tornado), lasting 41 hours and affecting up to 2,845 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.