massoutage

County annual report · FIPS 17171

2015 Scott County, IL Power Outage Report

In 2015, customers in Scott County, IL went without power for an average of 8.6 hours, a total of 19K customer-hours (Illinois average 2.3 hours). That ranks 10th worst of 100 Illinois counties and 306th of 2,484 nationally.

Summary data CSVJSON
Avg hrs / customer
8.6
2,163 customers
Customer-hours out
19K
Peak customers out
1,172
Outages ≥1,000 out
2
0 of 10,000+ · 88 total
Longest outage
2d
began July 14, 2015
Rank in state
10th/100
306th of 2,484 US

Compared with IL, the US

Scott County, IL average hours without power per customer compared with state and national averages, 2015Scott County 8.6 hours, Illinois average 2.3 hours, US average 2.9 hoursScott CountyScott County8.6hIllinois 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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Scott County, IL customer-hours without power by month, 2015Jan 631, Feb 0, Mar 0, Apr 0, May 537, Jun 50, Jul 8,927, Aug 93, Sep 28, Oct 5, Nov 6,192, Dec 2,15302.5k5k7.5k10k631Jan0Feb0Mar0Apr537May50Jun8,927Jul93Aug28Sep5Oct6,192Nov2,153Dec
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Customer-hours; July was the worst month.

Scott County year over year

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Scott County, IL: average hours without power per customer by year2015: 8.6h; 2016: 2.7h; 2017: 0.7h; 2018: 17.1h, coverage 92%; 2019: 51.2h, coverage 99%; 2020: 0.9h, coverage 94%; 2021: 1.4h, coverage 98%; 2022: 3.2h, coverage 98%; 2023: 6.0h; 2024: 1.7h; 2025: 1.4h02040600%50%100%8.6h20152.7h20160.7h201717.1h201851.2h20190.9h20201.4h20213.2h20226.0h20231.7h20241.4h2025
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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 Scott County, 2015

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
1November 12, 2015 06:00November 12, 2015 11:305h 30m1,1725,851
2December 14, 2015 05:15December 14, 2015 09:454h 30m1,1692,029
3July 14, 2015 00:30July 16, 2015 01:152d7758,855
4November 16, 2015 16:30November 16, 2015 19:152h 45m361323
5May 3, 2015 01:00May 3, 2015 06:455h 45m223525
6January 15, 2015 15:30January 15, 2015 17:151h 45m116128
7January 9, 2015 02:45January 9, 2015 07:004h 15m108296
8December 29, 2015 01:15December 29, 2015 02:301h 15m6581
9August 6, 2015 22:30August 7, 2015 00:001h 30m5166
10June 26, 2015 13:00June 26, 2015 16:003h3621

Outage episodes by size in 2015: 7 reached 100+ customers, 2 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 Scott County reported on EIA Form 861 for 2015, or their most recent earlier filing. Utility-wide figures, not county-specific.

CSVJSON
UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
Ameren Illinois Company20155.9 hrs1.392.2 hrs1.04
Ameren-----
Illinois Rural Electric Coop-----

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 ÷ 2,163 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. Scott County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Scott 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/scott-county

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