massoutage

County annual report · FIPS 19181

2024 Warren County, IA Power Outage Report

In 2024, customers in Warren County, IA went without power for an average of 3.7 hours, a total of 87K customer-hours (Iowa average 3.2 hours). That ranks 39th worst of 99 Iowa counties and 1936th of 2,990 nationally.

Summary data CSVJSON
Avg hrs / customer
3.7
23,806 customers
Customer-hours out
87K
Peak customers out
3,096
Outages ≥1,000 out
5
0 of 10,000+ · 456 total
Longest outage
3d
began August 31, 2024
Rank in state
39th/99
1936th of 2,990 US

Compared with IA, the US and 2023

Warren County, IA average hours without power per customer compared with state and national averages, 2024Warren County 3.7 hours, Iowa average 3.2 hours, US average 12.6 hours, Warren County, 2023 0.8 hoursWarren CountyWarren County3.7hIowa averageIowa average3.2hUS averageUS average12.6hWarren County, 2023Warren County, 20230.8h
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Average hours without power per customer in 2024; last bar is this county in 2023.

Month by month

CSVJSON
Warren County, IA customer-hours without power by month, 2024Jan 1,031, Feb 942, Mar 326, Apr 1,362, May 48K, Jun 6,919, Jul 3,513, Aug 7,343, Sep 1,527, Oct 3,368, Nov 8,747, Dec 3,760020k40k60k1,031Jan942Feb326Mar1,362Apr48KMay6,919Jun3,513Jul7,343Aug1,527Sep3,368Oct8,747Nov3,760Dec
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Customer-hours; May was the worst month.

Warren County year over year

CSVJSON
Warren County, IA: average hours without power per customer by year2015: 0.5h; 2016: 0.9h; 2017: 1.7h; 2018: 2.5h, coverage 89%; 2019: 1.9h, coverage 89%; 2020: 5.2h, coverage 91%; 2021: 1.8h, coverage 91%; 2022: 2.7h, coverage 91%; 2023: 0.8h; 2024: 3.7h; 2025: 1.9h02460%50%100%0.5h20150.9h20161.7h20172.5h20181.9h20195.2h20201.8h20212.7h20220.8h20233.7h20241.9h2025
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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 Iowa customers tracked each year.

Biggest outages in Warren County, 2024

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

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1May 24, 2024 10:00May 26, 2024 05:301d 19h3,09637K
2November 20, 2024 18:15November 21, 2024 01:307h 15m2,7278,070
3June 25, 2024 23:15June 26, 2024 16:3017h 15m2,0674,715
4December 3, 2024 04:15December 3, 2024 06:302h 15m1,6123,622
5July 31, 2024 07:30August 1, 2024 17:001d 9h1,5337,220
6June 11, 2024 09:15June 11, 2024 10:301h 15m916459
7October 22, 2024 09:30October 22, 2024 12:002h 30m8741,293
8May 21, 2024 14:45May 23, 2024 03:151d 12h7298,715
9June 6, 2024 21:00June 7, 2024 00:003h474593
10October 30, 2024 21:30October 31, 2024 00:303h327572

Outage episodes by size in 2024: 25 reached 100+ customers, 5 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 Warren County reported on EIA Form 861 for 2024, or their most recent earlier filing. Utility-wide figures, not county-specific.

CSVJSON
UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
MidAmerican Energy Co20245.5 hrs1.421.7 hrs0.94
Indianola Municipal Utilities201629 min0.7629 min0.76
Interstate Power and Light Co-----
Alliant Energy (Interstate Power & Light)-----
Clarke Electric Coop Inc - (IA)-----
Pella Cooperative Elec Assn-----
City of Carlisle- (IA)-----

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 Iowa's customers in 2024; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 23,806 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. Warren County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Warren County, IA annual power outage report, 2024, 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/2024/iowa/warren-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON