massoutage

County annual report · FIPS 17123

2022 Marshall County, IL Power Outage Report

In 2022, customers in Marshall County, IL went without power for an average of 4.3 hours, a total of 34K customer-hours (Illinois average 1.6 hours). That ranks 27th worst of 102 Illinois counties and 1577th of 2,976 nationally.

Summary data CSVJSON
Avg hrs / customer
4.3
7,906 customers
Customer-hours out
34K
Peak customers out
1,663
Outages ≥1,000 out
3
0 of 10,000+ · 336 total
Longest outage
23h
began June 25, 2022
Rank in state
27th/102
1577th of 2,976 US

Compared with IL, the US and 2021

Marshall County, IL average hours without power per customer compared with state and national averages, 2022Marshall County 4.3 hours, Illinois average 1.6 hours, US average 8.3 hours, Marshall County, 2021 4.9 hoursMarshall CountyMarshall County4.3hIllinois averageIllinois average1.6hUS averageUS average8.3hMarshall County, 2021Marshall County, 20214.9h
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Average hours without power per customer in 2022; last bar is this county in 2021.

Month by month

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Marshall County, IL customer-hours without power by month, 2022Jan 2,108, Feb 272, Mar 7,129, Apr 885, May 1,609, Jun 1,959, Jul 1,107, Aug 1,383, Sep 3,630, Oct 3,521, Nov 2,335, Dec 7,95802k4k6k8k2,108Jan272Feb7,129Mar885Apr1,609May1,959Jun1,107Jul1,383Aug3,630Sep3,521Oct2,335Nov7,958Dec
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Customer-hours; December was the worst month.

Marshall County year over year

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Marshall County, IL: average hours without power per customer by year2015: 17.2h; 2016: 4.1h; 2017: 1.6h; 2018: 4.3h, coverage 92%; 2019: 3.9h, coverage 99%; 2020: 11.3h, coverage 94%; 2021: 4.9h, coverage 98%; 2022: 4.3h, coverage 98%; 2023: 7.3h; 2024: 31.7h; 2025: 2.7h0102030400%50%100%17.2h20154.1h20161.6h20174.3h20183.9h201911.3h20204.9h20214.3h20227.3h202331.7h20242.7h2025
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Average hours without power per customer. Line: EAGLE-I coverage, share of customers tracked (right axis).

Coverage line is EAGLE-I's share of Illinois customers tracked each year.

Biggest outages in Marshall County, 2022

The 10 outage episodes with the most customers out at once. Times are UTC.

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#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1March 11, 2022 08:00March 11, 2022 23:0015h1,6636,004
2December 14, 2022 16:45December 15, 2022 10:0017h 15m1,6497,833
3October 25, 2022 07:15October 25, 2022 09:302h 15m1,6453,290
4May 15, 2022 21:00May 16, 2022 00:003h738947
5November 8, 2022 00:15November 8, 2022 03:153h6901,131
6June 3, 2022 20:15June 4, 2022 00:003h 45m562992
7November 8, 2022 05:45November 8, 2022 07:301h 45m273478
8September 19, 2022 04:00September 20, 2022 02:1522h 15m2463,281
9January 11, 2022 21:00January 12, 2022 02:005h217691
10January 6, 2022 17:30January 6, 2022 20:303h184552

Outage episodes by size in 2022: 12 reached 100+ customers, 3 reached 1,000+ customers, 0 reached 10,000+ customers.

Utility reliability filed with the EIA

SAIDI (average outage time per customer) and SAIFI (average interruptions per customer) that utilities serving Marshall County reported on EIA Form 861 for 2022, or their most recent earlier filing. Utility-wide figures, not county-specific.

CSVJSON
UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
Ameren Illinois Company20222.7 hrs1.021.9 hrs0.88
Commonwealth Edison Co202266 min0.6338 min0.52
Corn Belt Energy Corporation20222.7 hrs3.232.4 hrs3.19
Ameren-----

About this data

  • Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 98% of Illinois's customers in 2022; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 7,906 customers (ORNL modeled county customer count), including major storm days. It is comparable across counties but is not the SAIDI a utility files.
  • An outage event is a continuous stretch with customers out; counts at 100, 1,000 and 10,000+ use its peak.
  • Years loaded: 2015–2025. Marshall County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Marshall County, IL annual power outage report, 2022, data as of Oct 3, 2026 02:41 UTC, sources: DOE EAGLE-I (https://eagle-i.doe.gov/); EAGLE-I modeled customer counts (MCC) (https://figshare.com/); EIA Form 861 (utility reliability) (https://www.eia.gov/electricity/data/eia861/). https://massoutage.com/reports/2022/illinois/marshall-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON