Alliant Energy Safety Record
DOT# 166001 · Dubuque, IA 52002-9670 · 6084584210
Legal name: Wisconsin Power and Light Company
Good safety record — scored 25/100. Below-average out-of-service rates and few crashes.
Last inspected 07/18/2025
Safety Score Breakdown · 25/100 points
Lower scores are better. How is this calculated?
According to FMCSA records, Alliant Energy (DOT# 166001) in Dubuque, Iowa has 20 inspections on record with 35 violations and a 30.0% vehicle out-of-service rate and 5 crashes. Safety grade: B.
Out-of-Service Rates vs. National Average
An out-of-service (OOS) violation means a vehicle or driver was found unsafe to operate during a roadside inspection and was prohibited from continuing until the issue was corrected.
Violation Categories · 35 total violations
FMCSA groups violations into Behavioral Analysis and Safety Improvement Categories (BASICs). Each violation found during a roadside inspection is classified into a category that reflects the type of safety risk.
Inspection History · 20 records
FMCSA inspections range from Level 1 (full vehicle and driver examination) to Level 6 (enhanced motorcoach inspection). Level 1 is the most thorough; Levels 2 and 3 are walk-around and driver-only checks.
| Date | State | Veh OOS | Drv OOS |
|---|---|---|---|
| 07/18/2025 | WI | 0 | 0 |
| 07/10/2025 | WI | 0 | 0 |
| 04/17/2025 | WI | 0 | 0 |
| 04/11/2025 | WI | 0 | 0 |
| 03/05/2025 | WI | 0 | 0 |
| 02/10/2025 | WI | 0 | 0 |
| 10/29/2024 | WI | 0 | 0 |
| 10/08/2024 | WI | 3 | 0 |
| 10/08/2024 | WI | 1 | 0 |
| 09/13/2024 | WI | 0 | 0 |
Crash History · 5 records
| Date | State | Fatalities | Injuries | Tow-Aways |
|---|---|---|---|---|
| 30-MAR-25 | IA | 0 | 0 | 0 |
| 22-MAY-24 | WI | 0 | 0 | 0 |
| 19-DEC-24 | WI | 0 | 0 | 0 |
| 07-MAY-24 | WI | 0 | 2 | 0 |
| 06-FEB-25 | WI | 0 | 1 | 0 |
Fleet Profile
Power units include trucks, tractors, and other commercial motor vehicles registered to the carrier. Driver count reflects the total number of drivers reported on the carrier's MCS-150 filing.