Rock County, WI Power Outages
Utilities serving Rock County, Wisconsin 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.
Rock County on the Wisconsin outage map
- Normal
- Minor
- Moderate
- Major
- Severe
- Limited data
Current outages
Weather alerts
No active outage-relevant weather alerts from the National Weather Service.
Rock County power outage history
Every significant outage recorded in Rock County since late 2014, with likely causes from NOAA storm reports
Since late 2014, DOE's EAGLE-I monitoring system has recorded 172 significant power outages in Rock County, meaning events that left at least 1% of customers in the dark. The largest (Jul 14–16, 2024) came when severe thunderstorms left 12,673 customers (22.5% of the county) without power.
From 2018 to 2025, the average customer here lost about 1 hr 51 min of power per year, less than the Wisconsin average of 3 hr 38 min. That ranks 52nd of 72 Wisconsin counties for outage time, where 1st has the most.
July is the riskiest month: it accounted for 20% of all customer outage time from 2018 to 2025. On 13 days in that period, at least 5% of customers were out at the same time. Outage time in Rock County has risen recently: about 2 hr 10 min per customer per year in 2022–2025, versus 1 hr 32 min in 2018–2021.
The most recent significant outage on record (Dec 30, 2025) affected 976 customers (1.7%) amid a winter storm.
Worst outages on record
| # | When | Peak customers out | Days | Likely cause (NOAA) |
|---|---|---|---|---|
| 1 | Jul 14–16, 2024 | 12,673(22.5%) | 3 | Severe thunderstorms |
| 2 | Apr 14–15, 2015 | 9,902(17.6%) | 2 | Wildfire |
| 3 | Apr 11, 2019 | 9,625(17.1%) | 1 | Winter storm |
| 4 | Jun 23–25, 2024 | 6,407(11.4%) | 3 | Severe thunderstorms |
| 5 | Sep 17–18, 2015 | 4,802(8.5%) | 2 | 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 Rock County?
Electric companies with service territory in Rock County (EIA-861, 2025)
| Utility | Type | Customers (WI) | Avg. outage time / yr | Live data |
|---|---|---|---|---|
| We Energies | Investor Owned | 1,228,534 | Not reporting | |
| Alliant Energy (Wisconsin) | Investor Owned | 505,706 | Not reporting | |
| City of Stoughton - (WI) | Municipal | 9,475 | Not reporting | |
| Rock Energy Cooperative | Cooperative | 7,895 | Not reporting | |
| City of Evansville | Municipal | 4,167 | Not reporting | |
| Brodhead Water & Lighting Comm | Municipal | 1,859 | Not reporting |
Customer counts are each utility's statewide total in Wisconsin. Source: U.S. Energy Information Administration, Form EIA-861 & Electric Power Annual.
Local outage news
No Rock County outage headlines in the past week.
Cities in Rock County
Janesville, Beloit
Nearby counties
Rock County power outage FAQ
Is the power out in Rock County right now?
No outages are currently reported for Rock 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 Rock County?
According to EIA-861 service territory data, Wisconsin Electric Power Co, Wisconsin Power & Light Co, City of Stoughton - (WI), Rock Energy Cooperative and 2 others provide electric service in Rock County, Wisconsin.
What was the worst power outage in Rock County?
The largest outage recorded by DOE's EAGLE-I system since 2014 was Jul 14–16, 2024. It peaked at 12,673 customers without power (22.5% of the county). NOAA storm reports for that period point to severe thunderstorms.
How often does the power go out in Rock County?
EAGLE-I has recorded 172 significant outages here since late 2014. From 2018 to 2025 the average customer lost about 1 hr 51 min of power per year, and on 13 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. "Rock County, WI Power Outages." Accessed November 3, 2026. https://poweroutagetracker.com/outages/wisconsin/rock-county