massoutage

County annual report · FIPS 17161

2017 Rock Island County, IL Power Outage Report

In 2017, customers in Rock Island County, IL went without power for an average of 1.5 hours, a total of 127K customer-hours (Illinois average 1.4 hours). That ranks 34th worst of 102 Illinois counties and 1816th of 2,786 nationally.

Summary data CSVJSON
Avg hrs / customer
1.5
83,685 customers
Customer-hours out
127K
Peak customers out
6,095
Outages ≥1,000 out
18
0 of 10,000+ · 869 total
Longest outage
1d 23h
began July 21, 2017
Rank in state
34th/102
1816th of 2,786 US

Compared with IL, the US and 2016

Rock Island County, IL average hours without power per customer compared with state and national averages, 2017Rock Island County 1.5 hours, Illinois average 1.4 hours, US average 7.4 hours, Rock Island County, 2016 3.7 hoursRock Island CountyRock Island County1.5hIllinois averageIllinois average1.4hUS averageUS average7.4hRock Island County, 2016Rock Island County, …3.7h
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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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Rock Island County, IL customer-hours without power by month, 2017Jan 3,642, Feb 1,602, Mar 20K, Apr 7,040, May 10K, Jun 13K, Jul 28K, Aug 6,138, Sep 17K, Oct 13K, Nov 3,393, Dec 4,707010k20k30k3,642Jan1,602Feb20KMar7,040Apr10KMay13KJun28KJul6,138Aug17KSep13KOct3,393Nov4,707Dec
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Customer-hours; July was the worst month.

Rock Island County year over year

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Rock Island County, IL: average hours without power per customer by year2015: 1.2h; 2016: 3.7h; 2017: 1.5h; 2018: 1.3h, coverage 92%; 2019: 1.8h, coverage 99%; 2020: 29.8h, coverage 94%; 2021: 1.8h, coverage 98%; 2022: 1.4h, coverage 98%; 2023: 5.2h; 2024: 4.9h; 2025: 4.3h01020300%50%100%1.2h20153.7h20161.5h20171.3h20181.8h201929.8h20201.8h20211.4h20225.2h20234.9h20244.3h2025
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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 Rock Island County, 2017

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

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1July 21, 2017 02:45July 23, 2017 02:151d 23h6,09523K
2May 20, 2017 12:45May 21, 2017 03:4515h5,0215,174
3January 20, 2017 09:30January 20, 2017 09:4515m5,0041,251
4March 7, 2017 01:30March 8, 2017 08:151d 6h4,37915K
5August 15, 2017 18:30August 15, 2017 19:0030m4,2761,071
6October 24, 2017 19:00October 24, 2017 20:151h 15m3,4091,706
7September 21, 2017 00:00September 22, 2017 02:151d 2h2,7589,019
8September 24, 2017 06:45September 24, 2017 08:452h2,653787
9June 3, 2017 11:30June 3, 2017 22:4511h 15m2,545825
10April 29, 2017 18:45April 30, 2017 08:0013h 15m2,5424,455

Outage episodes by size in 2017: 84 reached 100+ customers, 18 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 Rock Island 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
MidAmerican Energy Co20171.9 hrs1.001.6 hrs0.91

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 ÷ 83,685 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. Rock Island County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Rock Island 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/rock-island-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON