Suoi Lai Extension Underground Mine Project

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

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Suoi Lai Extension Underground Mine Project is an operating coal mine in Ha Long City, Quang Ninh Province, Ha Long, Quang Ninh, Vietnam.

Location

Table 1: Project-level location details

Mine Name	Location	Coordinates (WGS 84)
Suoi Lai Extension Underground Mine Project	Ha Long City, Quang Ninh Province, Ha Long, Quang Ninh, Vietnam	21.00434243, 107.1241903 (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	Project Type	Opening Year	Closing Year
Operating	–	Expansion	–	2034 (planned)

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
0.7	–	–	Underground	Longwall	–	188.0	572.0*

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
–	–	–	Quang Ninh	Anthracite	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
Hon Gai Coal Company	Vietnam National Coal and Mineral Industries Holding Corp Ltd; small shareholder(s)	Vietnam

Note: The above sections were automatically generated and are based on data from the Global Coal Mine Tracker May 2026 release.

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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.