Alliant Energy — compliance record
The full vetting file: federal registrations, authority history, insurance, inspections, record changes, and recent coverage — the checks a broker or shipper runs, in one place.
Federal identity
Registration snapshot
Legal name
Interstate Power & Light
DBA
Alliant Energy
Entity type
Carrier
Physical address
8000 Chavenelle Rd, Dubuque, IA 52002-9670
Phone
(608) 458-4210
Power units
657
Drivers
514
First on record
—
Last MCS-150 filing
—
Hazmat flag
No
Operating authority
Dockets & filings
No L&I dockets on file for this DOT number.
Out-of-service rates
Driver OOS
5.4%
National average ≈ 5.9% · 37 inspections on record
Vehicle OOS
10.8%
National average ≈ 20.9% · 37 inspections on record
Email & web forensics
On-file email
frankbanigan@alliantenergy.com — company domain
Mail host
Enterprise (Proofpoint)
Domain match
Email domain matches the company website
From the FMCSA on-file contact, public domain registration (RDAP), and live DNS.
Crash record — last 24 months
2
Reportable crashes
2
Tow-aways
0
With injuries
0
With fatalities
Most recent: KY 05/2026 · IA 04/2026 · IA 05/2024 — from the federal crash file; recordable crashes regardless of fault.
Safety record
Inspection history
| Date | State | Level |
|---|---|---|
| Jun 22, 2026 | IA | Level I — Full |
| Jun 18, 2026 | IA | Level III — Driver-only |
| May 26, 2026 | IA | Level I — Full |
| Apr 13, 2026 | IA | Level III — Driver-only |
| Mar 27, 2026 | IA | Level I — Full |
| Feb 17, 2026 | IA | Level III — Driver-only |
| Nov 3, 2025 | IA | Level I — Full |
| Aug 26, 2025 | IA | Level I — Full |
| Aug 7, 2025 | IA | Level II — Walk-around |
| Jun 17, 2025 | IA | Level III — Driver-only |
| Jun 11, 2025 | IA | Level I — Full |
| May 30, 2025 | IA | Level III — Driver-only |
| May 27, 2025 | IA | Level III — Driver-only |
| Apr 16, 2025 | IA | Level III — Driver-only |
| Mar 21, 2025 | IA | Level III — Driver-only |
| Nov 19, 2024 | IA | Level III — Driver-only |
| Nov 19, 2024 | IA | Level I — Full |
| Nov 8, 2024 | IA | Level II — Walk-around |
| Oct 31, 2024 | IA | Level III — Driver-only |
| Oct 29, 2024 | IA | Level I — Full |
| Oct 21, 2024 | IA | Level I — Full |
| Oct 9, 2024 | IA | Level I — Full |
| Sep 3, 2024 | IA | Level III — Driver-only |
| Aug 14, 2024 | IA | Level III — Driver-only |
| Aug 8, 2024 | IA | Level III — Driver-only |
| Jul 10, 2024 | IA | Level I — Full |
| May 15, 2024 | IA | Level I — Full |
| May 14, 2024 | IA | Level III — Driver-only |
| May 6, 2024 | IA | Level III — Driver-only |
| Mar 20, 2024 | IA | Level III — Driver-only |
| Mar 12, 2024 | IA | Level II — Walk-around |
| Feb 27, 2024 | IA | Level III — Driver-only |
| Oct 12, 2023 | IA | Level I — Full |
| Sep 27, 2023 | IA | Level III — Driver-only |
| Sep 11, 2023 | IA | Level III — Driver-only |
| Aug 28, 2023 | IA | Level I — Full |
| Aug 2, 2023 | IA | Level III — Driver-only |
Most recent 37 of 37 inspections on file.
Activity log
Record changes
TenFour re-syncs the federal record daily and logs every field that changes — address moves, fleet-size jumps, authority flips. Sudden changes are a classic fraud tell.
No changes recorded since TenFour began tracking this company.
In the news
Recent coverage
Concerns over wind farm proposal - WDEZ
WDEZ · 6/26/2026
UPDATE: Alliant Energy clarifies proposal from developers regarding future power plant - KCRG
KCRG · 10/17/2025
Public hearing set as Alliant Energy pivots Cedar Rapids plant to natural gas - thegazette.com
thegazette.com · 3/7/2026
Residents demand public comment at wind-farm forum - WSAU
WSAU · 6/17/2026
The Battle Over Polluted Water Beneath an Iowa Coal Ash Landfill - Inside Climate News
Inside Climate News · 8/27/2025
Alliant tests the waters on new power plant location near Fairfax - thegazette.com
thegazette.com · 3/24/2026
Update Ottumwa Coal Ash Pollution and Des Moines River - Sierra Club
Sierra Club · 8/6/2025
The Obamas Celebrate 33 Years of Black Love At Its Finest - bet.com
bet.com · 10/3/2025
Via Google News — headlines may include similarly-named companies; verify before acting.
Vetting toolkit
Verify it yourself
FMCSA SAFER snapshot ↗
The official company snapshot, straight from FMCSA.
FMCSA SMS safety profile ↗
Safety Measurement System — BASIC scores and crash history.
L&I authority record ↗
Licensing & Insurance: authority, insurance, and BOC-3 on file.
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