Mining Incidents
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Tri-State Generation and Transmission Assn IncController

MSHA Controller ID: 0126261
Fatalities
0
Total incidents
50
Mines on record
2
Years on record
2016–2025

Top causes

  • HANDLING OF MATERIALS18 non-fatal
  • FIRE8 non-fatal
  • SLIP OR FALL OF PERSON8 non-fatal
  • OTHER5 non-fatal
  • HANDTOOLS (NONPOWERED)3 non-fatal
  • NONPOWERED HAULAGE2 non-fatal

Incident timeline

2025
6
2024
2
2023
8
2022
3
2021
8
2020
7
2019
3
2018
3
2017
6
2016
4

Operators under this controller

Mines on record