INTERSTATE POWER & LIGHT
USDOT 751794 · Doing business as ALLIANT ENERGY
Active, interstate carrier, large fleet (657 power units) — no FMCSA safety rating on record (common).
Vetting summary
At a glance
- Out-of-service rate24% vs 19.1% national avg
- Crashes (24 months)2 reported — involvement does not imply fault
- Linked registrations1 share this carrier's phone or address
These signals summarize the records shown below — they are a starting point for your own checks, not a judgment of the carrier.
Registration
Carrier identity
| USDOT Number | 751794 |
|---|---|
| MC Number | — |
| Legal Name | INTERSTATE POWER & LIGHT |
| DBA Name | ALLIANT ENERGY |
| Entity Type | CORPORATION |
| Phone | 6084584210 |
| Address | 8000 CHAVENELLE RD, Dubuque, IA, 52002-9670 |
Status
Authority & safety
| Operating Status | Active |
|---|---|
| Operation Type | Interstate |
| Safety Rating | None on record — most carriers have not received a formal FMCSA safety rating. |
| Hazmat Flag | false |
Safety ratings: S = Satisfactory, C = Conditional, U = Unsatisfactory. A carrier with no rating has not been through a full FMCSA compliance review — this is common and not itself a red flag.
Our scoring
Safety scores
| Unsafe Driving | 78 / 100 |
|---|---|
| Hours-of-Service Compliance | 0 / 100 |
| Driver Fitness | 90 / 100 |
| Controlled Substances & Alcohol | 0 / 100 |
| Vehicle Maintenance | 72 / 100 |
Scores are 0-100 rankings computed by us from public FMCSA inspection measures; higher = worse relative to peers. Not official CSA/BASIC percentiles. How these scores are computed.
Safety events
Inspections & crashes (last 24 months)
| Inspections | 25 |
|---|---|
| Out-of-Service Rate | 24% vs 19.1% national average |
| Crashes | 2 total (0 fatal, 0 with injuries, 2 towaway) |
- 2026-05-17 — KY — towaway
- 2026-04-29 — IA — towaway
- 2024-05-24 — IA — towaway
Most frequent violation categories: 12 (15), 51 (6), 14 (4).
Crash involvement does not imply fault. FMCSA crash records list all reportable crashes involving a carrier, regardless of who caused them.
Signals
Linked registrations
1 other active carrier registration share this carrier's phone or address in FMCSA records.
Shared contact details can have many ordinary explanations, such as a shared dispatch service, registration agent, or office address.
Equipment
Fleet & operations
| Power Units (trucks) | 657 |
|---|---|
| Drivers | 514 |
| Recent Annual Mileage | 7,732,811 |
| Last MCS-150 Filing | 28-APR-25 |
INTERSTATE POWER & LIGHT operates 657 power units — a larger fleet than 100% of carriers registered in IA.
Nearby
Other carriers in Dubuque, IA
- DITTMER RECYCLING INC — USDOT 1024851, 28 power units
- UNION TRANSPORTATION SERVICES INC — USDOT 1046539, 26 power units
- DUBUQUE MOVING & STORAGE INC — USDOT 1071770, 22 power units
- CENEX-SWISS VALLEY ENERGY LLC — USDOT 774949, 21 power units
- DUBUQUE LOGISTICS INC — USDOT 640808, 17 power units
Browse all carriers in Dubuque, IA or all IA carriers.