Mine · Moffat County, Colorado, United States
Colowyo Mine
Colowyo Mine is an idle mine in Moffat County, Colorado, United States, owned by Kiewit Peter Sons' Inc.
Facts
Every value links to its source, and to the source's own record where it has one. Licences and last-checked dates are per row.
| Fact | Value | Source |
|---|---|---|
| Location | Moffat County | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Status | Idle (nonproducing) | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Commodities | coal (mainly coal) | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Owner | Kiewit Peter Sons' Inc (controls the operator) | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Operator | Kiewit Mining Group Inc | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Production | 1,873,603 t/year (in 2021) | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Production | 1,554,841 t/year (in 2024) | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Production | 834,636 t/year (in 2025) | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Production | 1,544,926 t/year (in 2023) | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Production | 1,529,018 t/year (in 2022) | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Employees | 149 people (annual average, in 2025) | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Mine type | Surface | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Coordinates | 40.2997, -107.7831 | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
Research on this mine and its owner.Who owns it up to the parent company, its permits, resources and offtake, and an introduction to the owner.
Request researchHow its owner compares
Kiewit Peter Sons' Inc owns 3 of the 2,675 mines in the United States in our data with a named owner; 139 owners have more. Counts cover the mines in our data that name an owner, holder or operator; an asset with several owners counts for each.
| Owner in United States | Rank | Mines | Share |
|---|---|---|---|
| Alpha Metallurgical Resources Inc | 1st | 56 | 2.1% |
| Sev.en Global Investments a.s. | 2nd | 50 | 1.9% |
| Rosebud Mining Company | 3rd | 40 | 1.5% |
| Martin Marietta Materials Inc | 4th | 29 | 1.1% |
| Metinvest B V | 4th | 29 | 1.1% |
| Kiewit Peter Sons' Inc | 140th | 3 | 0.11% |
Timeline
Dated facts about this mine from its sources, oldest first.
- Production: 1,873,603 t/year
- Production: 1,529,018 t/year
- Production: 1,544,926 t/year
- Production: 1,554,841 t/year
- Production: 834,636 t/year
- Kiewit Peter Sons' Inc on record as owner
Nearby
Within 50 km of this mine: 2 power plants (1 operating, 1,428 MW) and 1 water right, measured from the coordinates in the facts above.
| Name | Kind | Size | Status | Distance |
|---|---|---|---|---|
| Morel Energy Storage | Power plant | 200 MW | Permitted | 24 km |
| Craig (CO) | Power plant | 1,428 MW | Operating | 24 km |
| Elkhead Creek Reservoir water right 4403902 55806.00000 | Water right | — | — | 44 km |
Owner, operator and place
More from Kiewit Peter Sons' Inc
- Grindstonemine
- Buckskin Minemine
Other mines in Colorado
Data on this page
- Colorado DWR REST API. Colorado DWR REST API, CDSS Terms of Use.
- Source: U.S. Energy Information Administration (Sep 2026). EIA-860 / 860M / 923, Public domain.
- MSHA Mines Data Set. MSHA Mines Data Set, Public domain.