SOUTHWEST ENERGY LLC
USDOT 198515 · Tucson, AZ
Quick answers
- What is SOUTHWEST ENERGY LLC's USDOT number?
- SOUTHWEST ENERGY LLC is registered under USDOT 198515, based in Tucson, AZ. FMCSA classifies it as a private (not-for-hire) carrier that is registered to haul hazardous materials.
- How large is SOUTHWEST ENERGY LLC's fleet?
- SOUTHWEST ENERGY LLC reports 87 power units and 89 drivers in its FMCSA record in Tucson, AZ.
Answers reflect the public FMCSA record as of June 6, 2026; figures can change at any time.
Operating snapshot
Public FMCSA census & inspection records · as of 2026-06-06
SOUTHWEST ENERGY LLC is a private property motor carrier based in Tucson, AZ, operating 87 power units and 89 drivers, and has been registered with FMCSA for about 52 years (since 1974). It is flagged as a hazardous-materials carrier in the FMCSA census. In this public FMCSA inspection snapshot it has 52 recorded inspections, with a vehicle out-of-service rate of 8.0% (below the 21.2% snapshot benchmark) and a driver out-of-service rate of 1.9% (below the 5.2% benchmark). HaulReport's highest reconstructed BASIC percentile for this carrier is Hours-of-Service Compliance at the 17.9th percentile (estimated band: Low), ranked among 20,717 safety-event peers — an independent estimate, not an official FMCSA or CSA score.
HaulReport interpretation — auto-generated from the public FMCSA data below and our percentile estimates.
Estimated BASIC percentiles
Out-of-service rates
Out-of-service rate = inspections resulting in an out-of-service order ÷ inspections. The benchmark is the inspection-weighted rate across this FMCSA snapshot — not an official national average. Rates are shown only with at least 5 inspections.
MCS-150 biennial update
Due May 2027FMCSA sets each carrier's biennial update month from the last two digits of the USDOT number (last digit → month, second-to-last digit → odd/even year) — it is required even when nothing has changed. This is a schedule derived from the public rule, not a compliance determination. Verify and file on FMCSA · Deadline calculator
Carrier facts (public FMCSA data)
| USDOT number | 198515 |
|---|---|
| Legal name | SOUTHWEST ENERGY LLC |
| Location | TUCSON, AZ |
| Operating classification | Not for-hire (per FMCSA census) |
| Hazmat carrier | Yes (per FMCSA census) |
| Power units (fleet size) | 87 |
| Drivers | 89 |
| Reported annual mileage | 11,456,180 (reported for 2025) |
| FMCSA registered | 1974 (~52 years) |
| Last MCS-150 update | April 15, 2026 |
| Next MCS-150 update due | May 2027 |
| Inspections (trailing 24 mo) | 52 |
| Published BASIC measures | 2 |
State reference data: Truck-crash statistics for Arizona — state-wide totals for all carriers registered in Arizona, not specific to this carrier.