Lyon County, IA Power Outages
As of Nov 3, 12:45 AM EST, no power outages were reported in Lyon County, Iowa by MidAmerican Energy Co.
Lyon 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.
Lyon County power outage history
Every significant outage recorded in Lyon County since late 2014, with likely causes from NOAA storm reports
Since late 2014, DOE's EAGLE-I monitoring system has recorded 74 significant power outages in Lyon County, meaning events that left at least 1% of customers in the dark. The largest (Jul 28 – Aug 1, 2025) came when severe thunderstorms left 1,792 customers (35.2% of the county) without power.
From 2018 to 2025, the average customer here lost about 2 hr 28 min of power per year, less than the Iowa average of 5 hr 30 min. That ranks 69th of 99 Iowa counties for outage time, where 1st has the most.
July is the riskiest month: it accounted for 29% of all customer outage time from 2018 to 2025. On 52 days in that period, at least 5% of customers were out at the same time. Outage time in Lyon County has risen recently: about 3 hr 6 min per customer per year in 2022–2025, versus 1 hr 49 min in 2018–2021.
The most recent significant outage on record (Aug 14, 2025) affected 203 customers (4%).
Worst outages on record
| # | When | Peak customers out | Days | Likely cause (NOAA) |
|---|---|---|---|---|
| 1 | Jul 28 – Aug 1, 2025 | 1,792(35.2%) | 5 | Severe thunderstorms |
| 2 | Apr 11–12, 2019 | 1,619(31.8%) | 2 | Flooding |
| 3 | May 11–13, 2022 | 1,142(22.4%) | 3 | Severe thunderstorms |
| 4 | Jun 18, 2016 | 1,132(22.2%) | 1 | Severe thunderstorms |
| 5 | May 19–20, 2025 | 779(15.3%) | 2 | High winds |
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 Lyon County?
Electric companies with service territory in Lyon County (EIA-861, 2025)
| Utility | Type | Customers (IA) | Avg. outage time / yr | Live data |
|---|---|---|---|---|
| MidAmerican Energy | Investor Owned | 750,247 | Reporting | |
| Alliant Energy (Iowa) | Investor Owned | 506,498 | Not reporting | |
| North West Rural Electric Coop | Cooperative | 10,461 | Not reporting | |
| Lyon Rural Electric Coop | Cooperative | 2,317 | Not reporting | |
| Rock Rapids Municipal Utility - (IA) | Municipal | 1,490 | Not reporting | |
| Osceola Electric Coop, Inc | Cooperative | 1,276 | Not reporting | |
| City of Larchwood - (IA) | Municipal | 524 | Not reporting | |
| Nobles Cooperative Electric | Cooperative | 10 | Not reporting | |
| WAPA-- Western Area Power Administration | Federal | — | 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 Lyon County outage headlines in the past week.
Lyon County power outage FAQ
Is the power out in Lyon County right now?
No outages are currently reported for Lyon County by participating utilities. If your power is out, report it to your electric company.
Which electric company serves Lyon County?
According to EIA-861 service territory data, MidAmerican Energy Co, Interstate Power and Light Co, North West Rural Electric Coop, Lyon Rural Electric Coop and 5 others provide electric service in Lyon County, Iowa.
What was the worst power outage in Lyon County?
The largest outage recorded by DOE's EAGLE-I system since 2014 was Jul 28 – Aug 1, 2025. It peaked at 1,792 customers without power (35.2% of the county). NOAA storm reports for that period point to severe thunderstorms.
How often does the power go out in Lyon County?
EAGLE-I has recorded 74 significant outages here since late 2014. From 2018 to 2025 the average customer lost about 2 hr 28 min of power per year, and on 52 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. "Lyon County, IA Power Outages." Accessed November 3, 2026. https://poweroutagetracker.com/outages/iowa/lyon-county