massoutage

County annual report · FIPS 19031

2025 Cedar County, IA Power Outage Report

In 2025, customers in Cedar County, IA went without power for an average of 2.4 hours, a total of 21K customer-hours (Iowa average 2.9 hours). That ranks 66th worst of 99 Iowa counties and 2281st of 3,000 nationally.

Summary data CSVJSON
Avg hrs / customer
2.4
8,986 customers
Customer-hours out
21K
Peak customers out
1,855
Outages ≥1,000 out
1
0 of 10,000+ · 446 total
Longest outage
4d 6h
began March 21, 2025
Rank in state
66th/99
2281st of 3,000 US

Compared with IA, the US and 2024

Cedar County, IA average hours without power per customer compared with state and national averages, 2025Cedar County 2.4 hours, Iowa average 2.9 hours, US average 5.9 hours, Cedar County, 2024 5.0 hoursCedar CountyCedar County2.4hIowa averageIowa average2.9hUS averageUS average5.9hCedar County, 2024Cedar County, 20245.0h
Use the arrow keys to read values.
Average hours without power per customer in 2025; last bar is this county in 2024.

Month by month

CSVJSON
Cedar County, IA customer-hours without power by month, 2025Jan 440, Feb 346, Mar 649, Apr 699, May 3,823, Jun 347, Jul 2,672, Aug 586, Sep 9,469, Oct 899, Nov 1,172, Dec 12702.5k5k7.5k10k440Jan346Feb649Mar699Apr3,823May347Jun2,672Jul586Aug9,469Sep899Oct1,172Nov127Dec
Use the arrow keys to read values.
Customer-hours; September was the worst month.

Cedar County year over year

CSVJSON
Cedar County, IA: average hours without power per customer by year2015: 1.7h; 2016: 1.5h; 2017: 1.3h; 2018: 2.1h, coverage 89%; 2019: 4.6h, coverage 89%; 2020: 82.1h, coverage 91%; 2021: 1.9h, coverage 91%; 2022: 1.3h, coverage 91%; 2023: 5.4h; 2024: 5.0h; 2025: 2.4h02550751000%50%100%1.7h20151.5h20161.3h20172.1h20184.6h201982.1h20201.9h20211.3h20225.4h20235.0h20242.4h2025
Use the arrow keys to read values.
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 Cedar County, 2025

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

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1September 8, 2025 03:15September 8, 2025 09:005h 45m1,8558,741
2May 16, 2025 05:30May 16, 2025 08:303h6891,837
3October 23, 2025 12:45October 23, 2025 18:305h 45m570294
4July 1, 2025 21:00July 1, 2025 23:152h 15m317302
5May 6, 2025 14:00May 7, 2025 00:3010h 30m237882
6November 26, 2025 09:30November 26, 2025 18:008h 30m199850
7April 27, 2025 18:30April 27, 2025 20:452h 15m191129
8July 5, 2025 22:15July 6, 2025 02:154h144338
9July 11, 2025 12:30July 11, 2025 18:456h 15m131511
10May 15, 2025 14:15May 15, 2025 21:457h 30m125133

Outage episodes by size in 2025: 16 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 Cedar County reported on EIA Form 861 for 2025, 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 Coop20243.7 hrs1.291.6 hrs0.90
Maquoketa Valley Rrl Elec Coop20242.2 hrs1.2071 min0.82
Linn County REC20241.9 hrs1.501.9 hrs1.50
Interstate Power and Light Co-----
Alliant Energy (Interstate Power & Light)-----
City of Durant - (IA)-----
City of Wilton - (IA)-----
City of Tipton - (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 2025; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 8,986 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. Cedar County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Cedar County, IA annual power outage report, 2025, 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/2025/iowa/cedar-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON