Black Hawk County, IA Power Outages
As of Nov 3, 12:45 AM EST, no power outages were reported in Black Hawk County, Iowa by MidAmerican Energy Co.
Black Hawk 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.
Black Hawk County power outage history
Every significant outage recorded in Black Hawk County since late 2014, with likely causes from NOAA storm reports
Since late 2014, DOE's EAGLE-I monitoring system has recorded 149 significant power outages in Black Hawk County, meaning events that left at least 1% of customers in the dark. The largest (Sep 22, 2016) came when flooding left 32,746 customers (56.9% of the county) without power.
From 2018 to 2025, the average customer here lost about 1 hr 31 min of power per year, less than the Iowa average of 5 hr 30 min. That ranks 91st of 99 Iowa counties for outage time, where 1st has the most.
July is the riskiest month: it accounted for 26% of all customer outage time from 2018 to 2025. On 18 days in that period, at least 5% of customers were out at the same time. Outage time in Black Hawk County has held roughly steady recently: about 1 hr 32 min per customer per year in 2022–2025, versus 1 hr 29 min in 2018–2021.
The most recent significant outage on record (Dec 30, 2025) affected 1,960 customers (3.4%) amid a winter storm.
Worst outages on record
| # | When | Peak customers out | Days | Likely cause (NOAA) |
|---|---|---|---|---|
| 1 | Sep 22, 2016 | 32,746(56.9%) | 1 | Flooding |
| 2 | May 31, 2018 | 17,227(29.9%) | 1 | No major storm reported |
| 3 | Sep 9–12, 2019 | 14,037(24.4%) | 4 | Severe thunderstorms |
| 4 | Jul 28–30, 2025 | 12,895(22.4%) | 3 | Severe thunderstorms |
| 5 | Mar 7, 2017 | 8,304(14.4%) | 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 Black Hawk County?
Electric companies with service territory in Black Hawk 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 | |
| Cedar Falls Utilities | Municipal | 20,245 | Not reporting | |
| East-Central Iowa Rural Elec Coop | Cooperative | 9,261 | Not reporting | |
| Grundy County Rural Elec Coop | Cooperative | 2,265 | Not reporting | |
| La Porte City Utilities | Municipal | 1,213 | 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 Black Hawk County outage headlines in the past week.
Cities in Black Hawk County
Waterloo, Cedar Falls
Nearby counties
Black Hawk County power outage FAQ
Is the power out in Black Hawk County right now?
No outages are currently reported for Black Hawk County by participating utilities. If your power is out, report it to your electric company.
Which electric company serves Black Hawk County?
According to EIA-861 service territory data, MidAmerican Energy Co, Interstate Power and Light Co, Cedar Falls Utilities, East-Central Iowa Rural Elec Coop and 2 others provide electric service in Black Hawk County, Iowa.
What was the worst power outage in Black Hawk County?
The largest outage recorded by DOE's EAGLE-I system since 2014 was Sep 22, 2016. It peaked at 32,746 customers without power (56.9% of the county). NOAA storm reports for that period point to flooding.
How often does the power go out in Black Hawk County?
EAGLE-I has recorded 149 significant outages here since late 2014. From 2018 to 2025 the average customer lost about 1 hr 31 min of power per year, and on 18 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. "Black Hawk County, IA Power Outages." Accessed November 3, 2026. https://poweroutagetracker.com/outages/iowa/black-hawk-county