Caballo Coal Mine

This article is part of the Global Coal Mine Tracker, a project of Global Energy Monitor.

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Caballo Coal Mine is an operating coal mine in Gillette, Campbell County, Wyoming, United States.

Location

Table 1: Project-level location details

Mine Name	Location	Coordinates (WGS 84)
Caballo Coal Mine	Gillette, Campbell County, Wyoming, United States	44.1513, -105.3981 (exact)

The map below shows the exact location of the coal mine:

Loading map...

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Project Details

Table 2: Project status

Status	Status Detail	Opening Year	Closing Year
Operating	–	1978	–

Table 3: Operation details

Note: The asterisk (*) signifies that the value is a GEM estimated figure.

Capacity (Mtpa)	Production (Mtpa)	Year of Production	Mine Type	Mining Method	Mine Size (km2)	Mine Depth (m)	Workforce Size
–	9.8	2024	Surface	Open Pit	–	75.0*	177

Table 4: Coal resources and destination

Total Reserves (Mt)	Year of Total Reserves Recorded	Total Resources (Mt)	Coalfield	Coal Type	Coal Grade	Primary Consumer/ Destination
168.0	2024	259.0	Powder River Basin	Subbituminous	Thermal	–

Table 5: Ownership and parent company

Note: To access more comprehensive data on energy ownership, please visit the Global Energy Ownership Tracker.

Owner	Parent Company	Headquarters
Peabody Caballo Mining LLC [100%]	Peabody Energy Corp [100.0%]	USA

Table 6: Historical production (unit: million tonnes per annum)

ROM or Saleable	2017	2018	2019	2020	2021	2022	2023
ROM	11.1	11.3	12.6	11.6	13.9	12.1	13.88

Note: The above section was automatically generated and is based on data from the Global Coal Mine Tracker May 2025 release.

Ownership Tree

This ownership tree is part of the Global Energy Ownership Tracker, a project of Global Energy Monitor.

Background

The Caballo Mine is a surface coal mine, operated by Caballo Coal Company, a subsidary of Peabody Energy, producing 12.6 million short tons per annum, in Campbell County, Wyoming, United States. Caballo Mine is a surface coal mining operation in Campbell County, Wyoming, owned by Peabody Energy. The mine opened in 1978. It produced 11.3 million tons of coal in 2018, and has 465 million tons of reserves.

Mine Deatils

• Operator: Caballo Coal Company
• Controller: Peabody Energy
• Location: Campbell County, Wyoming
• GPS Coordinates: 44.1513, -105.3981
• Production (short tons): 11,333,467 (2018) 12,600,000 (2019)
• Mineable Reserve: 253.2 million tons permitted
• Coal Type: Subbituminous (Thermal)
• Mining Method: Surface
• Mine Status: Active
• Average No. of Employees: 185
• MSHA ID: 4801034
• Union:
• Start Year: 1978

External links

• "Major U.S. Coal Mines," Energy Information Administration
• "Caballo Mine Factsheet" Peabody Energy

Articles and Resources

Additional data

To access additional data, including an interactive map of world coal mines, a downloadable dataset, and summary data, please visit the Global Coal Mine Tracker on the Global Energy Monitor website.