Carrier profile · USDOT 166001 · Updated Jun 13, 2026
Wisconsin Power and Light Company
DBA ALLIANT ENERGY
604 power unitsavg 8.7 yrLocal · 1 statesDUBUQUE, IA81/100
AUTHORITY STATUS UNKNOWNHAZMAT
Identity & Federal
The official FMCSA identity — legal name, DBA, addresses, contact, officers, and registration — alongside the daily-captured federal-record activity feed, monitored daily by Vektor.
Location
- Physical address
- 8000 CHAVENELLE ROAD, DUBUQUE, IA, 52002-9670
- Operation
- Interstate· Hazmat
Contact
- Phone
- (608) 458-4210
- Fax
- (563) 587-4567
- Web domain
- alliantenergy.com
Registration
- Officers
- Jeff Knier · David De Leon
- USDOT / docket
- 166001
- First registered
- Jun 1, 1974
- Last MCS-150
- Feb 2, 2026 · 6,785,862 mi (2025)
- FMCSA safety rating
- Not rated
- D-U-N-S
- 7946452
Fleet (self-reported · MCS-150)
MCS-150 filing history· biennial-update cadence
Per-filing MCS-150 history (each biennial update + the fleet/mileage it reported) is being captured from the daily federal feed and will appear here as we capture the full history.
Federal record activity· monitored daily by Vektor
No licensing or insurance changes captured since Vektor began monitoring this carrier (June 2026). Quiet is usually good.