INTERSTATE POWER & LIGHT
dba ALLIANT ENERGY
DUBUQUE, IA
06/03/1998
657
Power Units
514
Drivers
Current
as of today
Active · 657 power units · 514 drivers · Dubuque, IA
2025
Apr 28, 2025
MCS-150 biennial update filed
Reported mileage: 7,732,811 (2024)
Reported power units: 707 → 657
Reported drivers: 508 → 514
Reported trailers: 579
2023
Jan 25, 2023
MCS-150 biennial update filed
Reported mileage: 8,381,183 (2022)
Reported power units: 701 → 707
Reported drivers: 502 → 508
2021
Apr 1, 2021
MCS-150 biennial update filed
Reported mileage: 7,605,682 (2020)
Reported power units: 705 → 701
Reported drivers: 548 → 502
2019
Feb 21, 2019
MCS-150 biennial update filed
Reported mileage: 8,191,570 (2018)
Reported power units: 705
Reported drivers: 548
1998
Jun 3, 1998
DOT registered
Company registered with the FMCSA.