Marshall County, IA Power Outages
Utilities serving Marshall 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.
Marshall 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.
Marshall County power outage history
Every significant outage recorded in Marshall County since late 2014, with likely causes from NOAA storm reports
Since late 2014, DOE's EAGLE-I monitoring system has recorded 222 significant power outages in Marshall County, meaning events that left at least 1% of customers in the dark. The largest (Aug 10–23, 2020) came when severe thunderstorms left 16,662 customers (100% of the county) without power.
From 2018 to 2025, the average customer here lost about 24 hr 20 min of power per year, more than the Iowa average of 5 hr 30 min. That ranks 1st of 99 Iowa counties for outage time, where 1st has the most.
August is the riskiest month: it accounted for 74% of all customer outage time from 2018 to 2025. On 82 days in that period, at least 5% of customers were out at the same time. Outage time in Marshall County has fallen recently: about 2 hr 56 min per customer per year in 2022–2025, versus 45 hr 45 min in 2018–2021.
The most recent significant outage on record (Dec 29, 2025) affected 1,462 customers (9.2%) amid a winter storm.
Worst outages on record
| # | When | Peak customers out | Days | Likely cause (NOAA) |
|---|---|---|---|---|
| 1 | Aug 10–23, 2020 | 16,662(100%) | 14 | Severe thunderstorms |
| 2 | Feb 19, 2016 | 11,052(69.3%) | 1 | High winds |
| 3 | Jul 19–27, 2018 | 8,657(54.3%) | 9 | Tornadoes |
| 4 | Nov 1, 2017 | 7,750(48.6%) | 1 | No major storm reported |
| 5 | Nov 6, 2017 | 7,442(46.7%) | 1 | No major storm reported |
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 Marshall County?
Electric companies with service territory in Marshall County (EIA-861, 2025)
| Utility | Type | Customers (IA) | Avg. outage time / yr | Live data |
|---|---|---|---|---|
| Alliant Energy (Iowa) | Investor Owned | 506,498 | Not reporting | |
| Midland Power Coop | Cooperative | 12,717 | Not reporting | |
| Consumers Energy Coop - (IA) | Cooperative | 7,765 | Not reporting | |
| Grundy County Rural Elec Coop | Cooperative | 2,265 | Not reporting | |
| City of State Center - (IA) | Municipal | 1,025 | 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 Marshall County outage headlines in the past week.
Cities in Marshall County
Marshalltown
Nearby counties
Marshall County power outage FAQ
Is the power out in Marshall County right now?
No outages are currently reported for Marshall 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 Marshall County?
According to EIA-861 service territory data, Interstate Power and Light Co, Midland Power Coop, Consumers Energy Coop - (IA), Grundy County Rural Elec Coop and 1 others provide electric service in Marshall County, Iowa.
What was the worst power outage in Marshall County?
The largest outage recorded by DOE's EAGLE-I system since 2014 was Aug 10–23, 2020. It peaked at 16,662 customers without power (100% of the county). NOAA storm reports for that period point to severe thunderstorms.
How often does the power go out in Marshall County?
EAGLE-I has recorded 222 significant outages here since late 2014. From 2018 to 2025 the average customer lost about 24 hr 20 min of power per year, and on 82 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. "Marshall County, IA Power Outages." Accessed November 3, 2026. https://poweroutagetracker.com/outages/iowa/marshall-county