Tri-State Generation and Transmission Assn Inc controller
MSHA controller ID: 0126261
Watch this controller
Email me when a new MSHA incident is filed at any mine Tri-State Generation and Transmission Assn Inc controls.
- Fatalities
- 0
- Total incidents
- 50
- Mines on record
- 2
- Years on record
- 2016–2025
Compliance record
MSHA citations since 2016
61
citations
1
significant & substantial
$18,160
proposed penalties
$16,329
paid to date
Source: MSHA violations data, updated weekly.
Top causes
- HANDLING OF MATERIALS 18 non-fatal
- FIRE 8 non-fatal
- SLIP OR FALL OF PERSON 8 non-fatal
- OTHER 5 non-fatal
- HANDTOOLS (NONPOWERED) 3 non-fatal
- ELECTRICAL 2 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
- Colowyo Mine CO
- New Horizon Mine CO