massoutage

County annual report · FIPS 19089

2024 Howard County, IA Power Outage Report

In 2024, customers in Howard County, IA went without power for an average of 4.1 hours, a total of 17K customer-hours (Iowa average 3.2 hours). That ranks 34th worst of 99 Iowa counties and 1819th of 2,990 nationally.

Summary data CSVJSON
Avg hrs / customer
4.1
4,177 customers
Customer-hours out
17K
Peak customers out
1,333
Outages ≥1,000 out
1
0 of 10,000+ · 385 total
Longest outage
3d 21h
began December 26, 2024
Rank in state
34th/99
1819th of 2,990 US

Compared with IA, the US and 2023

Howard County, IA average hours without power per customer compared with state and national averages, 2024Howard County 4.1 hours, Iowa average 3.2 hours, US average 12.6 hours, Howard County, 2023 2.0 hoursHoward CountyHoward County4.1hIowa averageIowa average3.2hUS averageUS average12.6hHoward County, 2023Howard County, 20232.0h
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Average hours without power per customer in 2024; last bar is this county in 2023.

Month by month

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Howard County, IA customer-hours without power by month, 2024Jan 489, Feb 77, Mar 597, Apr 2,040, May 5,752, Jun 581, Jul 750, Aug 4,055, Sep 187, Oct 1,599, Nov 213, Dec 79002k4k6k489Jan77Feb597Mar2,040Apr5,752May581Jun750Jul4,055Aug187Sep1,599Oct213Nov790Dec
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Customer-hours; May was the worst month.

Howard County year over year

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Howard County, IA: average hours without power per customer by year2015: 1.2h; 2016: 2.9h; 2017: 7.5h; 2018: 1.5h, coverage 89%; 2019: 4.9h, coverage 89%; 2020: 1.9h, coverage 91%; 2021: 21.8h, coverage 91%; 2022: 7.5h, coverage 91%; 2023: 2.0h; 2024: 4.1h; 2025: 2.3h01020300%50%100%1.2h20152.9h20167.5h20171.5h20184.9h20191.9h202021.8h20217.5h20222.0h20234.1h20242.3h2025
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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 Iowa customers tracked each year.

Biggest outages in Howard 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 21, 2024 22:45May 23, 2024 06:151d 7h1,3335,589
2October 13, 2024 15:15October 13, 2024 16:451h 30m7231,085
3April 6, 2024 00:45April 6, 2024 02:001h 15m708885
4April 19, 2024 15:15April 19, 2024 16:151h604603
5August 29, 2024 23:45August 30, 2024 08:158h 30m4842,156
6August 14, 2024 16:30August 14, 2024 19:303h301897
7October 4, 2024 18:30October 4, 2024 19:451h 15m300359
8March 13, 2024 00:15March 13, 2024 02:302h 15m237533
9December 26, 2024 16:00December 30, 2024 13:303d 21h228726
10May 6, 2024 17:00May 6, 2024 17:1515m16642

Outage episodes by size in 2024: 17 reached 100+ customers, 1 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 Howard 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
Heartland Power Coop202465 min0.7361 min0.71
MiEnergy Cooperative202485 min0.7064 min0.60
Interstate Power and Light Co-----

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 ÷ 4,177 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. Howard County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Howard 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/howard-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON