Dubuque County, IA Power Outages
Utilities serving Dubuque 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.
Dubuque County on the Iowa outage map
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- Minor
- Moderate
- Major
- Severe
- Limited data
Current outages
Weather alerts
No active outage-relevant weather alerts from the National Weather Service.
Dubuque County power outage history
Every significant outage recorded in Dubuque County since late 2014, with likely causes from NOAA storm reports
Since late 2014, DOE's EAGLE-I monitoring system has recorded 162 significant power outages in Dubuque County, meaning events that left at least 1% of customers in the dark. The largest (Jul 12, 2017) came when severe thunderstorms left 9,599 customers (20.6% of the county) without power.
From 2018 to 2025, the average customer here lost about 1 hr 22 min of power per year, less than the Iowa average of 5 hr 30 min. That ranks 93rd of 99 Iowa counties for outage time, where 1st has the most.
July is the riskiest month: it accounted for 31% of all customer outage time from 2018 to 2025. On 11 days in that period, at least 5% of customers were out at the same time. Outage time in Dubuque County has risen recently: about 1 hr 41 min per customer per year in 2022–2025, versus 1 hr 3 min in 2018–2021.
The most recent significant outage on record (Dec 21, 2025) affected 1,834 customers (3.9%).
Worst outages on record
| # | When | Peak customers out | Days | Likely cause (NOAA) |
|---|---|---|---|---|
| 1 | Jul 12, 2017 | 9,599(20.6%) | 1 | Severe thunderstorms |
| 2 | Jun 30 – Jul 1, 2019 | 8,367(18%) | 2 | Severe thunderstorms |
| 3 | Jul 14–17, 2024 | 7,974(17.1%) | 4 | Severe thunderstorms |
| 4 | Jun 24, 2016 | 6,156(13.2%) | 1 | No major storm reported |
| 5 | Jul 18, 2016 | 6,142(13.2%) | 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 Dubuque County?
Electric companies with service territory in Dubuque County (EIA-861, 2025)
| Utility | Type | Customers (IA) | Avg. outage time / yr | Live data |
|---|---|---|---|---|
| Alliant Energy (Iowa) | Investor Owned | 506,498 | Not reporting | |
| Maquoketa Valley Rrl Elec Coop | Cooperative | 17,412 | Not reporting | |
| Allamakee-Clayton El Coop, Inc | Cooperative | 9,946 | Not reporting | |
| Cascade Municipal Utilities - (IA) | Municipal | 1,198 | 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 Dubuque County outage headlines in the past week.
Cities in Dubuque County
Dubuque
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Dubuque County power outage FAQ
Is the power out in Dubuque County right now?
No outages are currently reported for Dubuque 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 Dubuque County?
According to EIA-861 service territory data, Interstate Power and Light Co, Maquoketa Valley Rrl Elec Coop, Allamakee-Clayton El Coop, Inc, Cascade Municipal Utilities - (IA) provide electric service in Dubuque County, Iowa.
What was the worst power outage in Dubuque County?
The largest outage recorded by DOE's EAGLE-I system since 2014 was Jul 12, 2017. It peaked at 9,599 customers without power (20.6% of the county). NOAA storm reports for that period point to severe thunderstorms.
How often does the power go out in Dubuque County?
EAGLE-I has recorded 162 significant outages here since late 2014. From 2018 to 2025 the average customer lost about 1 hr 22 min of power per year, and on 11 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. "Dubuque County, IA Power Outages." Accessed November 3, 2026. https://poweroutagetracker.com/outages/iowa/dubuque-county