massoutage

County annual report · FIPS 19111

2025 Lee County, IA Power Outage Report

In 2025, customers in Lee County, IA went without power for an average of 5.5 hours, a total of 85K customer-hours (Iowa average 2.9 hours). That ranks 23rd worst of 99 Iowa counties and 1393rd of 3,000 nationally.

Summary data CSVJSON
Avg hrs / customer
5.5
15,486 customers
Customer-hours out
85K
Peak customers out
6,395
Outages ≥1,000 out
7
0 of 10,000+ · 613 total
Longest outage
9d 16h
began June 3, 2025
Rank in state
23rd/99
1393rd of 3,000 US

Compared with IA, the US and 2024

Lee County, IA average hours without power per customer compared with state and national averages, 2025Lee County 5.5 hours, Iowa average 2.9 hours, US average 5.9 hours, Lee County, 2024 3.7 hoursLee CountyLee County5.5hIowa averageIowa average2.9hUS averageUS average5.9hLee County, 2024Lee County, 20243.7h
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Average hours without power per customer in 2025; last bar is this county in 2024.

Month by month

CSVJSON
Lee County, IA customer-hours without power by month, 2025Jan 530, Feb 319, Mar 9,406, Apr 469, May 2,384, Jun 45K, Jul 12K, Aug 3,031, Sep 3,779, Oct 1,198, Nov 4,055, Dec 2,074020k40k60k530Jan319Feb9,406Mar469Apr2,384May45KJun12KJul3,031Aug3,779Sep1,198Oct4,055Nov2,074Dec
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Customer-hours; June was the worst month.

Lee County year over year

CSVJSON
Lee County, IA: average hours without power per customer by year2015: 3.4h; 2016: 1.3h; 2017: 1.8h; 2018: 6.2h, coverage 89%; 2019: 2.6h, coverage 89%; 2020: 1.4h, coverage 91%; 2021: 1.9h, coverage 91%; 2022: 1.4h, coverage 91%; 2023: 12.7h; 2024: 3.7h; 2025: 5.5h0510150%50%100%3.4h20151.3h20161.8h20176.2h20182.6h20191.4h20201.9h20211.4h202212.7h20233.7h20245.5h2025
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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 Lee County, 2025

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

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1June 3, 2025 23:00June 13, 2025 15:009d 16h6,39543K
2November 26, 2025 10:15November 26, 2025 20:4510h 30m1,8741,513
3March 15, 2025 00:45March 15, 2025 21:4521h1,7448,055
4July 12, 2025 00:00July 13, 2025 01:001d 1h1,5258,785
5September 11, 2025 10:00September 11, 2025 12:302h 30m1,3651,257
6November 29, 2025 20:15November 29, 2025 21:151h1,1081,108
7August 20, 2025 18:45August 20, 2025 19:451h1,071804
8March 10, 2025 19:15March 10, 2025 23:154h728549
9May 29, 2025 13:30May 30, 2025 22:451d 9h466204
10March 20, 2025 13:00March 20, 2025 17:004h464237

Outage episodes by size in 2025: 36 reached 100+ customers, 7 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 Lee 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
Interstate Power and Light Co-----
Alliant Energy (Interstate Power & Light)-----
Access Energy Coop-----
West Point Utility System-----

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 ÷ 15,486 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. Lee County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Lee 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/). https://massoutage.com/reports/2025/iowa/lee-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON