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Bull Mountains Mining Plan Modification

Sector: Residential • Location: Montana, United States

Source: U.S. Department of the Interior (.gov)

Project
Approved

The Department of the Interior approved a mining plan modification for the Bull Mountains coal mine in Montana, allowing Signal Peak Energy, LLC to recover approximately 22.8 million tons of federal coal and 34.5 million tons of adjacent non-federal coal, extending the mine's life by up to nine years. The project supports energy exports to Japan and South Korea and is expected to generate over $1

Status
Prospective
Sector
Residential, Commercial, Government
Location
Montana, United States of America
Updated
22 Jul 2026
Source
U.S. Department of the Interior (.gov)

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Project Information

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The project “Bull Mountains Mining Plan Modification” is an infrastructure initiative in the Residential sector, located in Montana, United States. Taiyo aggregates data on it from U.S. Department of the Interior (.gov).

Participants

Sponsoring Agency

Status

Original status

Approved

Taiyo status

Prospective

Taiyo last update

2026-07-22

Contact

Not available for this record.

Description

Description

The Department of the Interior approved a mining plan modification for the Bull Mountains coal mine in Montana, allowing Signal Peak Energy, LLC to recover approximately 22.8 million tons of federal coal and 34.5 million tons of adjacent non-federal coal, extending the mine's life by up to nine years. The project supports energy exports to Japan and South Korea and is expected to generate over $1 billion in local, state, and county economic benefits.

Original sector

Energy

Location

Country

United States of America (USA)

State

Montana

Source

Source

U.S. Department of the Interior (.gov)

URL

More Details

Record type

Project

Sector

Residential, Commercial, Government

Article published date

2025-06-08

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