massoutage

County annual report · FIPS 17145

2024 Perry County, IL Power Outage Report

In 2024, customers in Perry County, IL went without power for an average of 3.6 hours, a total of 43K customer-hours (Illinois average 3.0 hours). That ranks 46th worst of 102 Illinois counties and 1941st of 2,990 nationally.

Summary data CSVJSON
Avg hrs / customer
3.6
11,975 customers
Customer-hours out
43K
Peak customers out
2,484
Outages ≥1,000 out
1
0 of 10,000+ · 460 total
Longest outage
2d 11h
began April 20, 2024
Rank in state
46th/102
1941st of 2,990 US

Compared with IL, the US and 2023

Perry County, IL average hours without power per customer compared with state and national averages, 2024Perry County 3.6 hours, Illinois average 3.0 hours, US average 12.6 hours, Perry County, 2023 9.5 hoursPerry CountyPerry County3.6hIllinois averageIllinois average3.0hUS averageUS average12.6hPerry County, 2023Perry County, 20239.5h
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Average hours without power per customer in 2024; last bar is this county in 2023.

Month by month

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Perry County, IL customer-hours without power by month, 2024Jan 4,359, Feb 8,201, Mar 791, Apr 1,244, May 11K, Jun 1,715, Jul 3,371, Aug 2,576, Sep 923, Oct 2,539, Nov 2,529, Dec 4,03805k10k15k4,359Jan8,201Feb791Mar1,244Apr11KMay1,715Jun3,371Jul2,576Aug923Sep2,539Oct2,529Nov4,038Dec
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Customer-hours; May was the worst month.

Perry County year over year

CSVJSON
Perry County, IL: average hours without power per customer by year2015: 2.7h; 2016: 4.7h; 2017: 1.4h; 2018: 6.7h, coverage 92%; 2019: 1.8h, coverage 99%; 2020: 3.1h, coverage 94%; 2021: 4.6h, coverage 98%; 2022: 2.2h, coverage 98%; 2023: 9.5h; 2024: 3.6h; 2025: 13.0h0510150%50%100%2.7h20154.7h20161.4h20176.7h20181.8h20193.1h20204.6h20212.2h20229.5h20233.6h202413.0h2025
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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 Perry County, 2024

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

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1May 8, 2024 18:45May 10, 2024 04:151d 9h2,4845,507
2July 29, 2024 22:15July 30, 2024 04:005h 45m9861,905
3October 30, 2024 16:00October 30, 2024 20:154h 15m832707
4February 10, 2024 06:45February 12, 2024 12:152d 5h8033,976
5October 28, 2024 23:30October 29, 2024 11:0011h 30m6751,510
6January 9, 2024 22:30January 10, 2024 10:1511h 45m6742,276
7December 20, 2024 05:45December 20, 2024 11:005h 15m6693,186
8June 26, 2024 02:15June 26, 2024 12:1510h5971,398
9May 25, 2024 11:15May 25, 2024 15:154h4871,145
10February 21, 2024 03:45February 21, 2024 11:157h 30m4781,613

Outage episodes by size in 2024: 25 reached 100+ customers, 1 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 Perry County reported on EIA Form 861 for 2024, or their most recent earlier filing. Utility-wide figures, not county-specific.

CSVJSON
UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
Ameren Illinois Company20243.7 hrs1.132.0 hrs0.91
Egyptian Electric Coop Assn20242.1 hrs---
Tri-County Electric Coop, Inc (IL)20246.2 hrs2.5064 min0.73
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 n/a of Illinois's customers in 2024; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 11,975 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. Perry County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Perry County, IL annual power outage report, 2024, 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/2024/illinois/perry-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON