massoutage

County annual report · FIPS 19057

2018 Des Moines County, IA Power Outage Report

In 2018, customers in Des Moines County, IA went without power for an average of 2.3 hours, a total of 42K customer-hours (Iowa average 2.2 hours). That ranks 42nd worst of 99 Iowa counties and 1731st of 2,798 nationally.

Summary data CSVJSON
Avg hrs / customer
2.3
18,207 customers
Customer-hours out
42K
Peak customers out
2,033
Outages ≥1,000 out
2
0 of 10,000+ · 462 total
Longest outage
8d 1h
began November 19, 2018
Rank in state
42nd/99
1731st of 2,798 US

Compared with IA, the US and 2017

Des Moines County, IA average hours without power per customer compared with state and national averages, 2018Des Moines County 2.3 hours, Iowa average 2.2 hours, US average 5.6 hours, Des Moines County, 2017 1.4 hoursDes Moines CountyDes Moines County2.3hIowa averageIowa average2.2hUS averageUS average5.6hDes Moines County, 2017Des Moines County, 2…1.4h
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Average hours without power per customer in 2018; last bar is this county in 2017.

Month by month

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Des Moines County, IA customer-hours without power by month, 2018Jan 1,686, Feb 1,125, Mar 424, Apr 564, May 4,637, Jun 3,431, Jul 4,572, Aug 9,195, Sep 3,914, Oct 3,160, Nov 7,553, Dec 1,34702.5k5k7.5k10k1,686Jan1,125Feb424Mar564Apr4,637May3,431Jun4,572Jul9,195Aug3,914Sep3,160Oct7,553Nov1,347Dec
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Customer-hours; August was the worst month.

Des Moines County year over year

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Des Moines County, IA: average hours without power per customer by year2015: 6.1h; 2016: 2.0h; 2017: 1.4h; 2018: 2.3h, coverage 89%; 2019: 3.3h, coverage 89%; 2020: 2.2h, coverage 91%; 2021: 2.1h, coverage 91%; 2022: 1.4h, coverage 91%; 2023: 5.1h; 2024: 9.7h; 2025: 3.1h02.557.5100%50%100%6.1h20152.0h20161.4h20172.3h20183.3h20192.2h20202.1h20211.4h20225.1h20239.7h20243.1h2025
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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 Iowa customers tracked each year.

Biggest outages in Des Moines County, 2018

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

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1August 29, 2018 01:15August 29, 2018 15:0013h 45m2,0332,156
2June 8, 2018 12:45June 8, 2018 17:304h 45m1,061642
3November 19, 2018 14:00November 27, 2018 15:158d 1h5127,161
4February 5, 2018 15:30February 5, 2018 17:452h 15m497126
5December 15, 2018 11:30December 15, 2018 16:004h 30m491916
6June 9, 2018 15:15June 9, 2018 21:156h485696
7January 8, 2018 00:30January 8, 2018 02:452h 15m437786
8February 25, 2018 05:45February 25, 2018 07:301h 45m393688
9September 6, 2018 07:00September 6, 2018 10:303h 30m387695
10June 7, 2018 00:30June 7, 2018 03:152h 45m354451

Outage episodes by size in 2018: 33 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 Des Moines County reported on EIA Form 861 for 2018, or their most recent earlier filing. Utility-wide figures, not county-specific.

CSVJSON
UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
Eastern Iowa Light & Power Coop20181.9 hrs0.921.7 hrs0.85
Interstate Power and Light Co-----
Alliant Energy (Interstate Power & Light)-----
Access Energy Coop-----
City of Danville - (IA)-----
New London Municipal Utilities-----

About this data

  • Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 89% of Iowa's customers in 2018; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 18,207 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. Des Moines County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Des Moines County, IA annual power outage report, 2018, 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/2018/iowa/des-moines-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON