massoutage

County annual report · FIPS 19025

2019 Calhoun County, IA Power Outage Report

In 2019, customers in Calhoun County, IA went without power for an average of 3.0 hours, a total of 12K customer-hours (Iowa average 2.2 hours). That ranks 35th worst of 99 Iowa counties and 1667th of 2,945 nationally.

Summary data CSVJSON
Avg hrs / customer
3.0
4,092 customers
Customer-hours out
12K
Peak customers out
1,640
Outages ≥1,000 out
2
0 of 10,000+ · 125 total
Longest outage
6h 15m
began June 12, 2019
Rank in state
35th/99
1667th of 2,945 US

Compared with IA, the US and 2018

Calhoun County, IA average hours without power per customer compared with state and national averages, 2019Calhoun County 3.0 hours, Iowa average 2.2 hours, US average 4.7 hours, Calhoun County, 2018 7.9 hoursCalhoun CountyCalhoun County3.0hIowa averageIowa average2.2hUS averageUS average4.7hCalhoun County, 2018Calhoun County, 20187.9h
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Average hours without power per customer in 2019; last bar is this county in 2018.

Month by month

CSVJSON
Calhoun County, IA customer-hours without power by month, 2019Jan 21, Feb 960, Mar 38, Apr 108, May 2,600, Jun 91, Jul 33, Aug 113, Sep 902, Oct 6,208, Nov 985, Dec 3202k4k6k8k21Jan960Feb38Mar108Apr2,600May91Jun33Jul113Aug902Sep6,208Oct985Nov32Dec
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Customer-hours; October was the worst month.

Calhoun County year over year

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Calhoun County, IA: average hours without power per customer by year2015: 4.1h; 2016: 6.5h; 2017: 4.4h; 2018: 7.9h, coverage 89%; 2019: 3.0h, coverage 89%; 2020: 2.3h, coverage 91%; 2021: 15.2h, coverage 91%; 2022: 4.6h, coverage 91%; 2023: 1.4h; 2024: 7.2h; 2025: 13.2h051015200%50%100%4.1h20156.5h20164.4h20177.9h20183.0h20192.3h202015.2h20214.6h20221.4h20237.2h202413.2h2025
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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 Calhoun County, 2019

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

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1February 7, 2019 22:45February 8, 2019 00:151h 30m1,640956
2October 27, 2019 19:15October 28, 2019 01:005h 45m1,3816,080
3May 21, 2019 19:45May 21, 2019 22:002h 15m857897
4May 17, 2019 07:15May 17, 2019 10:453h 30m4681,432
5September 24, 2019 19:30September 24, 2019 19:4515m438110
6April 23, 2019 19:00April 23, 2019 19:1515m407102
7September 30, 2019 21:15September 30, 2019 23:302h 15m267601
8November 1, 2019 13:45November 1, 2019 15:452h214428
9November 11, 2019 15:00November 11, 2019 16:451h 45m214322
10May 22, 2019 05:00May 22, 2019 05:3030m12965

Outage episodes by size in 2019: 10 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 Calhoun County reported on EIA Form 861 for 2019, or their most recent earlier filing. Utility-wide figures, not county-specific.

CSVJSON
UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
MidAmerican Energy Co20181.9 hrs1.1875 min0.96
Midland Power Coop-----
Raccoon Valley Electric Cooperative-----
Calhoun County Elec Coop Assn-----
City of Farnhamville - (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 89% of Iowa's customers in 2019; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 4,092 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. Calhoun County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Calhoun County, IA annual power outage report, 2019, 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/2019/iowa/calhoun-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON