Mine 4 Coal Project

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Mine 4 Coal Project is a proposed coal mine in Diphalan, Zamboanga Sibugay, Philippines.

Location

Table 1: Project-level location details

Mine Name	Location	Coordinates (WGS 84)
Mine 4 Coal Project	Diphalan, Zamboanga Sibugay, Philippines	7.648384, 122.954972 (approximate)

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

Loading map...

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Project Details

Table 2: Project status

Status	Status Detail	Project Type	Opening Year	Closing Year
Proposed	Construction	New	–	–

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
–	–	–	Underground	–	–	494*	*

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
–	–	–	Malangas	Subbituminous	Thermal	–

Table 5: Ownership and parent company

Owner	Parent Company	Headquarters
PNOC Exploration Corp	PNOC Exploration Corp [100%]	Philippines

Note: The above section was automatically generated and is based on data from the Global Coal Mine Tracker April 2024 release and the September supplement.

Background

Mine 4 Coal Project (also known as COC 41 or Malangas or Lower Butong) is a proposed underground coal mine in Diplahan, Zamboanga Sibugay, Mindanao Island, Philippines. The Philippine National Oil Company Exploration Corporation (PNOC-EC), a subsidiary of the state-owned PNOC, intends to develop the Mine 4 under Coal Operating Contract (COC) No. 41. In June 2021, the PNOC-EC Board of Directors approved the Mine 4 Project for development.

In November 2021, PNOC-EC submitted to the Philippine Department of Energy a supplemental five-year work Program for COC 41.

The Mine 4 Project received favorable endorsement from the Sangguniang Bayan of Malangas in February 2022. The Department of Energy, likewise, approved the Project's Supplemental Work Program and Budget in March 2022.

As of 2023, PNOC-EC was accepting bids for a contractor to handle the construction of various infrastructures for the mine site.

A media source from May 2023 stated that PNOC-EC expected to start production at Mine 4 in the fourth quarter of 2024.

As per 2023 Annual Report of PNOC, contracts for construction of surface infrastructure were awarded in 2023, and work on Mine 4 is taking place in parallel with Mine 3 Coal Project. Procurement of mine equipment, materials and construction of infrastructures for the development of Mine 4 took up most of the Project Development Department's efforts in 2023. A block boundary survey was also undertaken to determine the exact perimeter and boundaries of the project site. The development of the project site and mine commenced in December 2023. This includes site preparation and construction of access road.

The capacity of the proposed coal mine was not known.

• Owner: Philippine National Oil Company Exploration Corporation (PNOC-EC)
• Parent Company: Philippine National Oil Company (PNOC)
• Location: Diplahan Municipality, Zamboanga Sibugay Province, Mindanao Island, Philippines
• Coordinates:: 7.6484, 122.9550 (approximate)
• Mine Status: Proposed (Construction)
• Start Year: 2024
• Production Capacity:
• Total Resource:
• Mineable Reserves:
• Coal Type: Subbituminous
• Mine Type Underground
• Mine Size:
• Workforce Size
• Source of Financing:

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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.