Sustainable Energy Systems Llc is an active interstate carrier based in Frederick, MD.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 42 | 0 | 0 |
| Trailers | 32 | 0 | 0 |
| Total Power Units | 42 | ||
Distinct vehicles · 24 mo
vs 42 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category | Insp w/ Viol |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 61% | 88% | Around peer average |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 91% | 95% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 93% | 88% | Worse than most peers |
Lower percentile = lower SMS measure = stronger safety record. Computed nightly across active carriers in the same state and fleet-size band.
| Type | Inspections | OOS | OOS % | Nat'l Avg |
|---|---|---|---|---|
| Driver | 0 | 3 | — | 6.67% |
| Vehicle | 0 | 4 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
Where they run
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Feb 9, 2026 | MD | STRAIGHT TRUCK | 2 | 1 |
| Jan 19, 2026 | PA | STRAIGHT TRUCK | 1 | 1 |
| Dec 18, 2025 | MD | STRAIGHT TRUCK | 4 | 1 |
| Dec 15, 2025 | PA | STRAIGHT TRUCK |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 4 | 0.90 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 4 | 6.90 | — |
| Driver Fitness | 6 | 2.20 | — |
| Controlled Substances | 0 | 0.00 | — |
Inspected in 2 states. Top state MD accounts for 57% of activity. Activity outside home state (MD): 43%.
| Vehicle Maintenance |
| 8 |
| 3 |
| 3 |
| Driver Fitness | 6 | 0 | 3 |
| Unsafe Driving | 4 | 0 | 0 |
| 2 |
| Mar 19, 2025 | MD | STRAIGHT TRUCK | 5 | 2 |
| Jun 25, 2024 | PA | STRAIGHT TRUCK | 2 | 0 |
| May 29, 2024 | MD | STRAIGHT TRUCK | 1 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Feb 9, 2026 | 3922SLLTCD | State/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g. safety official signal sign light lane marking other | Unsafe Driving | — |
| Feb 9, 2026 | 3963A1TAOCV | Tires - All others in contact with a part of the vehicle | Vehicle Maintenance | Yes |
| Jan 19, 2026 | 39141AMCPVI | Medical (Certificate) - Operating a passenger-carrying vehicle without a valid medical certificate in possession or on file with the state drivers licensing agenc | Driver Fitness | Yes |
| Dec 18, 2025 | 39141APC | Medical (Certificate) - Operating a property-carrying vehicle without a valid medical certificate in possession or on file with the state drivers licensing agency | Driver Fitness | Yes |
| Dec 18, 2025 | 3922SLLTCD | State/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g. safety official signal sign light lane marking other | Unsafe Driving | — |
| Dec 18, 2025 | 39395F | Emergency Equipment - Stopped vehicle warning devices missing or improper | Vehicle Maintenance | — |
| Dec 18, 2025 | 3939ALIL | Lighting - Identification lamp(s) inoperative | Vehicle Maintenance | — |
| Dec 15, 2025 | 39141B10MC | Medical (Certificate) - Operating a commercial vehicle without corrective lenses or hearing aid as indicated on the driver's medical certificate | Driver Fitness | Yes |
| Dec 15, 2025 | 39323LEU | Lighting - All electrical systems on towed vehicle(s) inoperative due to no electrical connection (e.g. unplugged or loose pigtail) | Vehicle Maintenance | Yes |
| Dec 15, 2025 | 39395A4EEUS | Emergency Equipment - Fire Extinguishers - unsecured | Vehicle Maintenance | — |