Carrier profile · USDOT 180139 · Updated Jun 13, 2026

Tri-state Generation & Transmission Association Inc

295 power unitsavg 6.6 yrRegional · 4 statesWESTMINSTER, CO100/100
AUTHORITY STATUS UNKNOWNRATED SATISFACTORYHAZMAT

Operations & Lanes

Where this carrier actually runs, revealed by roadside-inspection geography over the last 24 months — not where they claim to operate, shown as state-level inspection density.

Operating footprint· revealed by roadside-inspection geography

Operating radiusRegional
revealed
States observed4
US states
Inspections · 24 mo19
CO busiest

Inspection density by state· each tile = a state · shade = inspections, last 24 mo

Home base
WESTMINSTER, CO
1100 W 116TH AVE
Top corridor
CO
CO 12 · NM 4 · NE 2
Density
fewermore
Shade = roadside inspections, last 24 mo.

State activity ranking· all 4 states · trailing 24 mo

Roadside inspections by state · TRI-STATE GENERATION & TRANSMISSION ASSOCIATION INC · trailing 24 months
StateCoverageInspections
COColoradoHQ12
NMNew Mexico4
NENebraska2
WYWyoming1