massoutage

County annual report · FIPS 17091

2015 Kankakee County, IL Power Outage Report

In 2015, customers in Kankakee County, IL went without power for an average of 2.5 hours, a total of 214K customer-hours (Illinois average 2.3 hours). That ranks 39th worst of 100 Illinois counties and 1060th of 2,484 nationally.

Summary data CSVJSON
Avg hrs / customer
2.5
85,550 customers
Customer-hours out
214K
Peak customers out
5,764
Outages ≥1,000 out
25
0 of 10,000+ · 715 total
Longest outage
2d 19h
began August 21, 2015
Rank in state
39th/100
1060th of 2,484 US

Compared with IL, the US

Kankakee County, IL average hours without power per customer compared with state and national averages, 2015Kankakee County 2.5 hours, Illinois average 2.3 hours, US average 2.9 hoursKankakee CountyKankakee County2.5hIllinois averageIllinois average2.3hUS averageUS average2.9h
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Average hours without power per customer in 2015.

Month by month

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Kankakee County, IL customer-hours without power by month, 2015Jan 2,713, Feb 6,639, Mar 6,065, Apr 11K, May 6,551, Jun 84K, Jul 8,238, Aug 11K, Sep 22K, Oct 16K, Nov 8,575, Dec 31K025k50k75k100k2,713Jan6,639Feb6,065Mar11KApr6,551May84KJun8,238Jul11KAug22KSep16KOct8,575Nov31KDec
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Customer-hours; June was the worst month.

Kankakee County year over year

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Kankakee County, IL: average hours without power per customer by year2015: 2.5h; 2016: 1.4h; 2017: 1.1h; 2018: 1.3h, coverage 92%; 2019: 4.8h, coverage 99%; 2020: 13.6h, coverage 94%; 2021: 1.0h, coverage 98%; 2022: 0.9h, coverage 98%; 2023: 1.3h; 2024: 3.1h; 2025: 0.6h0510150%50%100%2.5h20151.4h20161.1h20171.3h20184.8h201913.6h20201.0h20210.9h20221.3h20233.1h20240.6h2025
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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 Kankakee County, 2015

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

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1June 22, 2015 11:30June 25, 2015 01:302d 14h5,76448K
2September 8, 2015 06:30September 10, 2015 02:301d 20h4,9678,458
3September 2, 2015 21:00September 3, 2015 12:0015h4,5445,397
4June 7, 2015 22:00June 9, 2015 19:451d 21h4,38223K
5December 28, 2015 13:30December 31, 2015 00:152d 10h2,67527K
6March 13, 2015 02:00March 13, 2015 02:1515m2,648662
7March 2, 2015 22:00March 3, 2015 02:304h 30m2,5952,589
8January 9, 2015 04:00January 9, 2015 08:004h2,5081,258
9April 25, 2015 10:00April 25, 2015 16:306h 30m2,0302,742
10July 17, 2015 23:00July 19, 2015 00:001d 1h1,7401,663

Outage episodes by size in 2015: 90 reached 100+ customers, 25 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 Kankakee County reported on EIA Form 861 for 2015, or their most recent earlier filing. Utility-wide figures, not county-specific.

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UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
Commonwealth Edison Co20151.8 hrs0.9772 min0.86

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 2015; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 85,550 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. Kankakee County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Kankakee County, IL annual power outage report, 2015, 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/2015/illinois/kankakee-county

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