massoutage

County annual report · FIPS 17159

2015 Richland County, IL Power Outage Report

In 2015, customers in Richland County, IL went without power for an average of 0.4 hours, a total of 3,565 customer-hours (Illinois average 2.3 hours). That ranks 92nd worst of 100 Illinois counties and 2129th of 2,484 nationally.

Summary data CSVJSON
Avg hrs / customer
0.4
9,109 customers
Customer-hours out
3,565
Peak customers out
494
Outages ≥1,000 out
0
0 of 10,000+ · 177 total
Longest outage
10h 30m
began June 16, 2015
Rank in state
92nd/100
2129th of 2,484 US

Compared with IL, the US

Richland County, IL average hours without power per customer compared with state and national averages, 2015Richland County 0.4 hours, Illinois average 2.3 hours, US average 2.9 hoursRichland CountyRichland County0.4hIllinois 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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Richland County, IL customer-hours without power by month, 2015Jan 0, Feb 0, Mar 0, Apr 19, May 54, Jun 299, Jul 484, Aug 519, Sep 792, Oct 963, Nov 108, Dec 32802505007501k0Jan0Feb0Mar19Apr54May299Jun484Jul519Aug792Sep963Oct108Nov328Dec
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Customer-hours; October was the worst month.

Richland County year over year

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Richland County, IL: average hours without power per customer by year2015: 0.4h; 2016: 1.9h; 2017: 0.6h; 2018: 1.3h, coverage 92%; 2019: 0.4h, coverage 99%; 2020: 1.2h, coverage 94%; 2021: 1.5h, coverage 98%; 2022: 5.9h, coverage 98%; 2023: 2.1h; 2024: 2.6h; 2025: 1.9h02460%50%100%0.4h20151.9h20160.6h20171.3h20180.4h20191.2h20201.5h20215.9h20222.1h20232.6h20241.9h2025
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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 Richland 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
1October 23, 2015 13:00October 23, 2015 15:002h494393
2August 19, 2015 14:30August 19, 2015 15:451h 15m278348
3October 13, 2015 12:45October 13, 2015 14:001h 15m278144
4October 30, 2015 20:00October 30, 2015 21:001h278139
5July 13, 2015 19:00July 13, 2015 19:3030m14271
6June 22, 2015 07:30June 22, 2015 08:451h 15m102115
7September 24, 2015 02:00September 24, 2015 11:309h 30m97328
8December 1, 2015 15:45December 1, 2015 18:302h 45m95261
9September 26, 2015 20:00September 26, 2015 21:001h8787
10September 12, 2015 05:15September 12, 2015 07:001h 45m8363

Outage episodes by size in 2015: 6 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 Richland 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
Ameren Illinois Company20155.9 hrs1.392.2 hrs1.04
Ameren-----
Wayne-White Counties Elec Coop-----
Norris Electric Coop-----
Clay Electric Coop Inc-----

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 ÷ 9,109 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. Richland County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Richland 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/richland-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON