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USDOT 410856

Northwestern 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

Northwestern Corporation

DBA

Northwestern Energy

Entity type

Carrier

Physical address

11 East Park Street, Butte, MT 59701

Phone

(406) 497-2121

Power units

841

Drivers

1,186

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

4.1%

National average ≈ 5.9% · 74 inspections on record

Vehicle OOS

9.5%

National average ≈ 20.9% · 74 inspections on record

Email & web forensics

✓

On-file email

brandi.lammi@northwestern.com — company domain

✓

Domain age

northwestern.com registered 1997-02-28 (29 years)

✓

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

0

Reportable crashes

0

Tow-aways

0

With injuries

0

With fatalities

Most recent: MT 06/2024 · MT 05/2023 · SD 06/2022 — from the federal crash file; recordable crashes regardless of fault.

Safety record

Inspection history

2026: 162025: 312024: 182023: 9
Level II — Walk-around: 37Level I — Full: 23Level III — Driver-only: 14
DateStateLevel
Jun 5, 2026MTLevel II — Walk-around
Jun 4, 2026MTLevel II — Walk-around
Jun 2, 2026MTLevel II — Walk-around
May 26, 2026MTLevel III — Driver-only
May 19, 2026MTLevel I — Full
Apr 14, 2026MTLevel I — Full
Apr 13, 2026MTLevel II — Walk-around
Mar 17, 2026MTLevel II — Walk-around
Mar 3, 2026MTLevel I — Full
Feb 26, 2026MTLevel I — Full
Feb 24, 2026MTLevel II — Walk-around
Feb 19, 2026MTLevel II — Walk-around
Feb 3, 2026MTLevel II — Walk-around
Jan 30, 2026MTLevel II — Walk-around
Jan 26, 2026MTLevel II — Walk-around
Jan 22, 2026MTLevel III — Driver-only
Dec 30, 2025MTLevel II — Walk-around
Dec 22, 2025MTLevel III — Driver-only
Dec 19, 2025MTLevel III — Driver-only
Dec 18, 2025MTLevel II — Walk-around
Dec 9, 2025MTLevel III — Driver-only
Dec 4, 2025MTLevel I — Full
Dec 4, 2025MTLevel I — Full
Dec 3, 2025MTLevel I — Full
Nov 19, 2025MTLevel II — Walk-around
Nov 17, 2025MTLevel I — Full
Nov 11, 2025MTLevel III — Driver-only
Nov 5, 2025MTLevel II — Walk-around
Oct 21, 2025MTLevel I — Full
Sep 25, 2025MTLevel I — Full
Aug 27, 2025MTLevel I — Full
Aug 26, 2025MTLevel I — Full
Aug 7, 2025MTLevel I — Full
Jul 24, 2025MTLevel III — Driver-only
Jul 23, 2025MTLevel II — Walk-around
Jun 17, 2025MTLevel II — Walk-around
Jun 3, 2025MTLevel III — Driver-only
Jun 3, 2025MTLevel II — Walk-around
May 30, 2025MTLevel II — Walk-around
May 23, 2025MTLevel II — Walk-around
May 9, 2025MTLevel I — Full
Apr 29, 2025MTLevel II — Walk-around
Apr 22, 2025MTLevel I — Full
Mar 24, 2025MTLevel I — Full
Feb 13, 2025MTLevel III — Driver-only
Jan 23, 2025MTLevel II — Walk-around
Jan 13, 2025MTLevel II — Walk-around
Oct 8, 2024MTLevel I — Full
Sep 30, 2024MTLevel I — Full
Sep 19, 2024MTLevel II — Walk-around
Sep 4, 2024MTLevel II — Walk-around
Aug 19, 2024MTLevel III — Driver-only
Jul 18, 2024MTLevel II — Walk-around
Jul 11, 2024MTLevel II — Walk-around
Jun 20, 2024IDLevel II — Walk-around
Jun 17, 2024MTLevel III — Driver-only
Jun 4, 2024MTLevel I — Full
May 21, 2024MTLevel III — Driver-only
May 7, 2024MTLevel II — Walk-around
Apr 29, 2024MTLevel III — Driver-only
Mar 27, 2024MTLevel I — Full
Mar 14, 2024MTLevel I — Full
Mar 11, 2024MTLevel I — Full
Feb 14, 2024MTLevel II — Walk-around
Jan 18, 2024MTLevel II — Walk-around
Dec 20, 2023MTLevel II — Walk-around
Dec 12, 2023MTLevel II — Walk-around
Dec 6, 2023MTLevel II — Walk-around
Dec 4, 2023MTLevel II — Walk-around
Nov 8, 2023MTLevel II — Walk-around
Oct 24, 2023MTLevel II — Walk-around
Sep 29, 2023WYLevel I — Full
Aug 10, 2023MTLevel III — Driver-only
Jul 13, 2023MTLevel II — Walk-around

Most recent 74 of 74 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

NorthWestern Energy now owns an extra 592 megawatts of Colstrip. What’s its plan for doubling down on coal? - Montana Free Press

Montana Free Press · 1/15/2026

Opposition wants NorthWestern merger case reopened after Broadview data center plans emerged - Billings Gazette

Billings Gazette · 6/10/2026

NorthWestern Energy to host Q2 2026 financial results webinar - scanx.trade

scanx.trade · 7/2/2026

PSC waffles on allowing public comment at ‘atrocious’ meeting - Daily Montanan

Daily Montanan · 2/24/2026

NorthWestern Energy Group (NWE) Reports Strong Results for Q3 - Yahoo Finance

Yahoo Finance · 11/3/2025

NorthWestern Energy: This Ignored Utility Could Profit From The Data Center Boom - Seeking Alpha

Seeking Alpha · 2/15/2026

Facts matter in the NorthWestern Energy–Black Hills Energy merger - Billings Gazette

Billings Gazette · 6/15/2026

Sabey DC acquires land for data center in Butte, Montana - Data Center Dynamics

Data Center Dynamics · 10/20/2025

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.

Search court records ↗

Quick sweep for litigation and judgments.

Sources: FMCSA Motor Carrier Census, Licensing & Insurance, inspection and revocation files at data.transportation.gov (synced daily by TenFour), plus Google News. This page is a research aid, not a safety rating; records shown as published. TenFour is not affiliated with FMCSA.