Antelope Coal Mine
Active
Surface
Coal
Operator: Navajo Transitional Energy Company, LLC
Controller: Navajo Transitional Energy Company LLC
Location: Douglas, Converse County, WY
Employees: 430
471
Violations
93
S&S Violations
125
Accidents
$204K
Penalties
Recent Violations
View all 471 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 12/30/2025 | 50.10(d) | Non-S&S | HighNegligence | $193 |
| 11/20/2025 | 77.1104 | Non-S&S | LowNegligence | $151 |
| 11/19/2025 | 77.1102 | Non-S&S | ModNegligence | $193 |
| 11/19/2025 | 77.1710(i) | Non-S&S | LowNegligence | $151 |
| 11/19/2025 | 77.1110 | Non-S&S | LowNegligence | $151 |
| 11/18/2025 | 77.405(b) | Non-S&S | ModNegligence | $193 |
| 11/18/2025 | 77.1101(c) | Non-S&S | LowNegligence | $151 |
| 11/18/2025 | 77.800 | S&S | ModNegligence | $959 |
| 11/13/2025 | 77.1710(g) | S&S | LowNegligence | $432 |
| 11/13/2025 | 77.205(a) | S&S | ModNegligence | $959 |
| 11/12/2025 | 77.400(a) | Non-S&S | ModNegligence | $288 |
| 11/12/2025 | 77.516 | Non-S&S | LowNegligence | $288 |
| 11/05/2025 | 77.205(a) | S&S | LowNegligence | $432 |
| 04/29/2025 | 77.1607(c) | S&S | LowNegligence | $366 |
| 04/28/2025 | 47.44(b) | Non-S&S | LowNegligence | $151 |
| 04/09/2025 | 77.516 | Non-S&S | LowNegligence | $151 |
| 04/07/2025 | 77.1104 | Non-S&S | LowNegligence | $151 |
| 04/07/2025 | 77.1110 | Non-S&S | LowNegligence | $151 |
| 04/04/2025 | 77.404(a) | Non-S&S | LowNegligence | $151 |
| 04/04/2025 | 77.514 | Non-S&S | LowNegligence | $151 |
Accidents & Injuries
View all 125 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 01/22/2025 | SLIP OR FALL OF PERSON | DAYS AWAY FROM WORK ONLY | 75d lost |
| 08/19/2024 | FIRE | ACCIDENT ONLY | None |
| 07/04/2023 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | 2d lost |
| 04/30/2023 | HANDTOOLS (NONPOWERED) | DAYS AWAY FROM WORK ONLY | 81d lost |
| 02/16/2022 | SLIP OR FALL OF PERSON | DAYS AWAY FROM WORK ONLY | 75d lost |
| 02/10/2022 | MACHINERY | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 12/23/2021 | MACHINERY | PERM TOT OR PERM PRTL DISABLTY | 52d lost |
| 11/17/2021 | HANDTOOLS (NONPOWERED) | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 07/27/2020 | FIRE | ACCIDENT ONLY | None |
| 06/27/2020 | SLIP OR FALL OF PERSON | DAYS AWAY FROM WORK ONLY | 80d lost |
Inspections
View all 160 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 12/30/2025 | 12/31/2025 | 12.75 | 1 |
| 10/29/2025 | 12/02/2025 | 223.00 | 5 |
| 04/01/2025 | 05/09/2025 | 204.75 | 7 |
| 10/23/2024 | 12/11/2024 | 210.25 | 4 |
| 10/01/2024 | 10/08/2024 | 18.00 | 1 |
| 09/18/2024 | 09/26/2024 | 17.75 | 1 |
| 06/25/2024 | 08/06/2024 | 182.75 | 1 |
| 04/03/2024 | 05/15/2024 | 19.50 | 1 |
| 10/02/2023 | 11/27/2023 | 268.50 | 5 |
| 05/16/2023 | 05/17/2023 | 3.25 | 1 |
Mine Details
MSHA Mine ID4801337
Mine TypeSurface
StatusActive
CommodityCoal
SIC DescriptionCoal (Bituminous)
Employees430
Days/Week7.0
Hours/Shift12.0
Coordinates43.4761110, -105.3533330
Nearest TownDouglas
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Frequently Asked Questions
How many MSHA violations does Antelope Coal Mine have?
Antelope Coal Mine has 471 MSHA violations on record, of which 93 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $204K.
What type of mine is Antelope Coal Mine?
Antelope Coal Mine is a Surface mine producing Coal, located in Douglas, Converse County, WY. It currently has 430 employees.
Has anyone been injured or killed at Antelope Coal Mine?
According to MSHA records, Antelope Coal Mine has 125 reported accident/injury records and 0 fatalities on file.
Who operates Antelope Coal Mine?
Antelope Coal Mine is operated by Navajo Transitional Energy Company, LLC and controlled by Navajo Transitional Energy Company LLC. MSHA Mine ID: 4801337.