Interstate Power & Light
2 flags to check before loading
Vehicle OOS above average: 33.3% of vehicle inspections placed out of service vs 22.26% national. Driver OOS above average: 8.3% of driver inspections placed out of service vs 6.67% national.
How we scored it · 5 factors
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- Total inspections
- 24
- Driver inspections
- 24
- Vehicle inspections
- 12
- People injured
- 0
- Fatalities
- 0
- FMCSA rating
- Not rated
Enforcement
FMCSA closed casesClosed enforcement cases — case numbers, violation codes and the amount settled — are available after you create a free account.
Equipment
Operations & cargo
Identity & federal record
FMCSA census · MCS-150- USDOT
- 751794
- MC / docket
- None
- Legal name
- Interstate Power & Light
- DBA
- Alliant Energy
- Entity type
- Carrier
- Operation
- Interstate
- First registered
- Jun 3, 1998
- Last MCS-150
- Apr 28, 2025
- Safety rating
- Not rated
- Drivers (CDL)
- 514 (508)
- Hazmat
- Yes
- Business type
- Corporation
Fraud & network signals
For review, not a verdict.
- Wisconsin Power and Light Company · USDOT 166001 · Dubuque, IA
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 Interstate Power & Light's USDOT number?
Interstate Power & Light's USDOT number is 751794.
Is Interstate Power & Light authorized to operate?
It does not hold MC operating authority, which private and intrastate carriers do not need.
What is Interstate Power & Light's safety record?
Over the last 24 months: 24 roadside inspections, a 33.3% vehicle and 8.3% driver out-of-service rate, and 3 reportable crashes (0 fatal). Not rated by FMCSA.
How big is Interstate Power & Light's fleet?
657 power units and 514 drivers per its MCS-150 filed Apr 28, 2025.
Where is Interstate Power & Light located?
Interstate Power & Light is located at 8000 Chavenelle Rd, Dubuque, IA, 52002-9670. Phone: (608) 458-4210.
Similar carriers in Iowa
All Iowa carriers →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.