massoutage

County annual report · FIPS 17075

2017 Iroquois County, IL Power Outage Report

In 2017, customers in Iroquois County, IL went without power for an average of 0.5 hours, a total of 4,836 customer-hours (Illinois average 1.4 hours). That ranks 88th worst of 102 Illinois counties and 2298th of 2,786 nationally.

Summary data CSVJSON
Avg hrs / customer
0.5
10,038 customers
Customer-hours out
4,836
Peak customers out
647
Outages ≥1,000 out
0
0 of 10,000+ · 171 total
Longest outage
14h
began December 13, 2017
Rank in state
88th/102
2298th of 2,786 US

Compared with IL, the US and 2016

Iroquois County, IL average hours without power per customer compared with state and national averages, 2017Iroquois County 0.5 hours, Illinois average 1.4 hours, US average 7.4 hours, Iroquois County, 2016 3.4 hoursIroquois CountyIroquois County0.5hIllinois averageIllinois average1.4hUS averageUS average7.4hIroquois County, 2016Iroquois County, 20163.4h
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Average hours without power per customer in 2017; last bar is this county in 2016.

Month by month

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Iroquois County, IL customer-hours without power by month, 2017Jan 1,231, Feb 50, Mar 664, Apr 646, May 71, Jun 25, Jul 10, Aug 32, Sep 2, Oct 23, Nov 901, Dec 1,18305001k1.5k1,231Jan50Feb664Mar646Apr71May25Jun10Jul32Aug2Sep23Oct901Nov1,183Dec
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Customer-hours; January was the worst month.

Iroquois County year over year

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Iroquois County, IL: average hours without power per customer by year2015: 1.4h; 2016: 3.4h; 2017: 0.5h; 2018: 2.8h, coverage 92%; 2019: 8.1h, coverage 99%; 2020: 4.0h, coverage 94%; 2021: 4.6h, coverage 98%; 2022: 2.3h, coverage 98%; 2023: 2.7h; 2024: 5.2h; 2025: 4.1h02.557.5100%50%100%1.4h20153.4h20160.5h20172.8h20188.1h20194.0h20204.6h20212.3h20222.7h20235.2h20244.1h2025
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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 Iroquois County, 2017

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

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1April 3, 2017 14:15April 3, 2017 14:3015m647162
2March 20, 2017 11:15March 20, 2017 12:301h 15m475396
3January 19, 2017 08:30January 19, 2017 10:151h 45m314315
4November 11, 2017 04:30November 11, 2017 07:002h 30m211385
5March 8, 2017 19:30March 8, 2017 23:454h 15m194176
6January 29, 2017 20:15January 30, 2017 01:305h 15m179577
7December 13, 2017 22:15December 14, 2017 12:1514h117725
8December 26, 2017 11:15December 26, 2017 14:153h109282
9November 26, 2017 20:00November 27, 2017 03:157h 15m96126
10April 19, 2017 03:00April 19, 2017 11:008h43344

Outage episodes by size in 2017: 8 reached 100+ customers, 0 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 Iroquois County reported on EIA Form 861 for 2017, or their most recent earlier filing. Utility-wide figures, not county-specific.

CSVJSON
UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
Ameren Illinois Company20173.2 hrs1.122.0 hrs0.90
Eastern Illinois Elec Coop20173.4 hrs1.722.2 hrs1.34
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 2017; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 10,038 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. Iroquois County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Iroquois County, IL annual power outage report, 2017, 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/2017/illinois/iroquois-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON