Decatur County, IA Power Outages
Utilities serving Decatur County, Iowa don't yet share live outage data with DOE's ODIN feed. Check your electric company's outage map (listed below) for real-time status.
Decatur County on the Iowa outage map
- Normal
- Minor
- Moderate
- Major
- Severe
- Limited data
Current outages
Weather alerts
No active outage-relevant weather alerts from the National Weather Service.
Decatur County power outage history
Every significant outage recorded in Decatur County since late 2014, with likely causes from NOAA storm reports
Since late 2014, DOE's EAGLE-I monitoring system has recorded 121 significant power outages in Decatur County, meaning events that left at least 1% of customers in the dark. The largest (Sep 20–22, 2019) came when flooding left 1,885 customers (56.2% of the county) without power.
From 2018 to 2025, the average customer here lost about 2 hr 41 min of power per year, less than the Iowa average of 5 hr 30 min. That ranks 63rd of 99 Iowa counties for outage time, where 1st has the most.
August is the riskiest month: it accounted for 16% of all customer outage time from 2018 to 2025. On 41 days in that period, at least 5% of customers were out at the same time. Outage time in Decatur County has held roughly steady recently: about 2 hr 36 min per customer per year in 2022–2025, versus 2 hr 45 min in 2018–2021.
The most recent significant outage on record (Oct 28–29, 2025) affected 114 customers (3.4%).
Worst outages on record
| # | When | Peak customers out | Days | Likely cause (NOAA) |
|---|---|---|---|---|
| 1 | Sep 20–22, 2019 | 1,885(56.2%) | 3 | Flooding |
| 2 | May 7, 2024 | 908(27.1%) | 1 | Severe thunderstorms |
| 3 | Nov 26, 2015 | 742(22.1%) | 1 | Ice storm |
| 4 | Mar 14, 2018 | 733(21.8%) | 1 | Flooding |
| 5 | Jun 28, 2018 | 674(20.1%) | 1 | Severe thunderstorms |
Hours without power per customer, by year
When outages happen
Source: DOE/ORNL EAGLE-I recorded electricity outages, 2014–2025 (CC BY 4.0), with likely causes from the NOAA NCEI Storm Events Database. EAGLE-I coverage was partial before 2018, so averages use 2018–2025. Peak counts are the highest number of customers out at one time.
Who provides electricity in Decatur County?
Electric companies with service territory in Decatur County (EIA-861, 2025)
| Utility | Type | Customers (IA) | Avg. outage time / yr | Live data |
|---|---|---|---|---|
| Alliant Energy (Iowa) | Investor Owned | 506,498 | Not reporting | |
| Southwest Iowa Rural Elec Coop | Cooperative | 6,094 | Not reporting | |
| Clarke Electric Coop Inc - (IA) | Cooperative | 5,812 | Not reporting | |
| City of Lamoni - (IA) | Municipal | 1,215 | Not reporting | |
| Grundy Electric Coop, Inc | Cooperative | 224 | Not reporting |
Customer counts are each utility's statewide total in Iowa. Source: U.S. Energy Information Administration, Form EIA-861 & Electric Power Annual.
Local outage news
No Decatur County outage headlines in the past week.
Nearby counties
Decatur County power outage FAQ
Is the power out in Decatur County right now?
No outages are currently reported for Decatur County by participating utilities. Live coverage is limited here, so If your power is out, report it to your electric company.
Which electric company serves Decatur County?
According to EIA-861 service territory data, Interstate Power and Light Co, Southwest Iowa Rural Elec Coop, Clarke Electric Coop Inc - (IA), City of Lamoni - (IA) and 1 others provide electric service in Decatur County, Iowa.
What was the worst power outage in Decatur County?
The largest outage recorded by DOE's EAGLE-I system since 2014 was Sep 20–22, 2019. It peaked at 1,885 customers without power (56.2% of the county). NOAA storm reports for that period point to flooding.
How often does the power go out in Decatur County?
EAGLE-I has recorded 121 significant outages here since late 2014. From 2018 to 2025 the average customer lost about 2 hr 41 min of power per year, and on 41 days at least 5% of customers were out at once.
Cite this page
You may reuse our derived data under CC BY 4.0 with attribution. Underlying government data is public domain.
PowerOutageTracker.com. "Decatur County, IA Power Outages." Accessed November 3, 2026. https://poweroutagetracker.com/outages/iowa/decatur-county