Wisconsin Power and Light Company (DOT# 166001) – FMCSA Carrier Profile
doing business as ALLIANT ENERGY
DOT# 166001● Active
Updated: 2026-03-09
Wisconsin Power and Light Company is a registered motor carrier with the FMCSA under USDOT number 166001. The company operates from Dubuque, IA and maintains an active operating status with 604 power units and 344 drivers on record.
Safety Rating
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Company Information
Address8000 Chavenelle Road, Dubuque, IA, 52002-9670
Phone(608) 458-4210
Entity TypePrivate Property
OperationInterstate
Power Units604
Drivers344
MCS-150 FiledFebruary 2, 2026
Annual Mileage6,785,862 mi (2025)
Inspection Summary
All-time Inspections
All-time14
Total
4
OOS
0
Driver OOS
4
Vehicle OOS
The out-of-service (OOS) rate represents the percentage of inspections that resulted in the carrier being placed out of service.
Crash History
Crash Records
All-time4
Total
0
Fatal
3
Injuries
0
Tow-Away
BASICS Safety Scores
BASICS Scores
Higher = more risk · FMCSA Behavior Analysis and Safety Improvement Categories0.1
Unsafe Driving
0.0
HOS Compliance
0.0
Driver Fitness
0.0
Controlled Substances
7.0
Vehicle Maintenance
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Frequently Asked Questions
What is USDOT Number 166001?
USDOT number 166001 is assigned to Wisconsin Power and Light Company, an active motor carrier registered with the FMCSA, based in Dubuque, IA.
How many inspections has Wisconsin Power and Light Company had?
Wisconsin Power and Light Company has recorded 14 total inspections with 4 out-of-service orders, representing an OOS rate of 28.57%.
Where is Wisconsin Power and Light Company located?
Wisconsin Power and Light Company is headquartered at 8000 Chavenelle Road, Dubuque, IA 52002-9670.
Data sourced from the FMCSA Open Data Portal. Updated monthly. DOT# 166001 · Last updated: 2026-03-09. View official FMCSA record →