Carrier profile · USDOT 166001 · Data as of Oct 7, 2026

Wisconsin Power and Light Company

DBA Alliant Energy · Dubuque, IA · Interstate carrier · Since 1974
No MC authorityNot rated by FMCSAHazmat
Cargo carriedLogs, Poles, Beams, LumberBuilding MaterialsMachinery, Large ObjectsPassengersUtilitiesConstruction
604
Power units
344
Drivers
14
Inspections · 24 mo
3
Crashes · 24 mo
6.8M
Annual miles
52 yr
Registered
92
/ 100
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Vehicle OOS above average: 25.0% of vehicle inspections placed out of service vs 22.26% national.

How we scored it · 5 factors
Operating authority20/20
Insurance20/20
Out-of-service rates12/20
Crashes & rating20/20
Continuity & identity20/20

Composite of public FMCSA authority, insurance, inspection and crash records weighted against the national fleet. Decision support, not an official FMCSA safety rating.

Safety

FMCSA inspections & crashes · 24 mo · AS OF OCT 7, 2026
Vehicle out-of-service
25.0%▲ above avg
National 22.26% · 2 of 8 inspections
Driver out-of-service
0.0%▼ below avg
National 6.67% · 0 of 14 inspections
Crashes
3
0 fatal1 injury3 tow-away
Crash rate 0.22 per 1M mi
Total inspections
14
Driver inspections
14
Vehicle inspections
8
People injured
1
Fatalities
0
FMCSA rating
Not rated

Enforcement

FMCSA closed cases

Closed enforcement cases — case numbers, violation codes and the amount settled — are available after you create a free account.

Authority & insurance

FMCSA L&I · AS OF OCT 7, 2026

No operating authority (MC/FF docket) on file. Private and intrastate carriers don't need one; interstate for-hire carriers and brokers do.

Equipment

SELF-REPORTED ON MCS-150
604
Power units
604
Trucks
9
Tractors owned
372
Trailers owned
344
Drivers
344
CDL drivers
Registered to haul hazardous materials.

Operations & cargo

FMCSA CENSUS
InterstatePrivate Property
Cargo carried
Logs, Poles, Beams, LumberBuilding MaterialsMachinery, Large ObjectsPassengersUtilitiesConstruction
Annual mileage
6,785,862 mi (2025)

Identity & federal record

FMCSA census · MCS-150
USDOT
166001
MC / docket
None
Legal name
Wisconsin Power and Light Company
DBA
Alliant Energy
Entity type
Carrier
Operation
Interstate
First registered
Jun 1, 1974
Last MCS-150
Feb 2, 2026
Safety rating
Not rated
Drivers (CDL)
344 (344)
Hazmat
Yes
Business type
Corporation

Fraud & network signals

For review, not a verdict.

No prior revocation
FMCSA shows no link to a previously revoked authority.
Shared phone number
Same phone number as 1 other active USDOT.
Unique email address
Not shared with any other active USDOT.
Unique street address
Not shared with any other active USDOT.
Sharing this phone number · (608) 458-4210

Shared contact details can mean affiliated companies or a registration service, but they are also a common sign of chameleon carriers and identity theft. Confirm you're dealing with the company you expect.

Frequently asked

What is Wisconsin Power and Light Company's USDOT number?

Wisconsin Power and Light Company's USDOT number is 166001.

Is Wisconsin Power and Light Company authorized to operate?

It does not hold MC operating authority, which private and intrastate carriers do not need.

What is Wisconsin Power and Light Company's safety record?

Over the last 24 months: 14 roadside inspections, a 25.0% vehicle and 0.0% driver out-of-service rate, and 3 reportable crashes (0 fatal). Not rated by FMCSA.

How big is Wisconsin Power and Light Company's fleet?

604 power units and 344 drivers per its MCS-150 filed Feb 2, 2026.

Where is Wisconsin Power and Light Company located?

Wisconsin Power and Light Company is located at 8000 Chavenelle Road, Dubuque, IA, 52002-9670. Phone: (608) 458-4210.

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Source: FMCSA public records via the U.S. DOT Open Data Portal. Carrier Search presents the federal record and computed signals for decision support only. It is not an FMCSA safety rating and not a recommendation to use or avoid any carrier. Verify authority and insurance before tendering.