Mandalong Coal Mine

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

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Mandalong Coal Mine is an operating coal mine in Mandalong, Lake Macquarie, New South Wales, Australia.

Location

Table 1: Project-level location details

Mine Name	Location	Coordinates (WGS 84)
Mandalong Coal Mine	Mandalong, Lake Macquarie, New South Wales, Australia	-33.119111, 151.461844 (exact)

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

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Project Details

Table 2: Project status

Status	Status Detail	Opening Year	Closing Year
Operating	–	2005	–

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
6.5	2.002	2024	Underground	Longwall	–	500*	–

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
–	–	–	–	Bituminous	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
Centennial Mandalong Pty Ltd [100.0%]	Banpu	Thailand

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

ROM or Saleable	2017	2018	2019	2020	2021	2022	2023	2024	2025
ROM	5.51	5.25	3.86	5.22	3.67	2.78	1.83	–	–

Expansion/Extension

Table 7: Project status

* Added capacity of a coal mine refers to the enhancement in the mine's production capabilities beyond its initial production capacity.

Status	Status Detail	Project Type	Project Phase	Added Capacity (Mtpa)*	Start Year
Proposed	Permitted	Extension	–	–	–

Reported Methane Emissions Data

Global Energy Monitor collates facility-scale methane emissions data reported by government and company sources collected in a systematic fashion. This mine is associated with the following methane emissions reports:

Table 8: Methane emissions

Reported Coal Mine Methane Emissions (thousand tonnes CO2 equivalent)	Reported Coal Mine Methane Emissions (thousand tonnes CH4)	Year of Reported Coal Mine Methane Emissions	Reported Coal Mine Methane Emissions (thousand tonnes) Reference	Reference type
–	–	–	​	–
21.739	1804.339964285714	2024-25	​	national government data

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

Reported Methane Emissions Data

Global Energy Monitor collates facility-scale methane emissions data reported by government and company sources collected in a systematic fashion. This mine is associated with the following methane emissions reports:

Table 7: Methane emissions

Reported Coal Mine Methane Emissions (thousand tonnes CO2 equivalent)	Reported Coal Mine Methane Emissions (thousand tonnes CH4)	Year of Reported Coal Mine Methane Emissions	Reported Coal Mine Methane Emissions (thousand tonnes) Reference	Reference type
21.739	1804.34	2024-25	​	national government data

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

Ownership Tree

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

Background

Mandalong coal mine is an underground mine, owned and operated by Centennial Mandalong Pty Limited, a subsidiary of Centennial Coal, in the Lake Macquarie area, New South Wales, Australia.

The mine provides coal to the Vales Point power station and Eraring power station. The mine is operated by Centennial Mandalong Pty Limited, a subsidiary of Centennial Coal. In an October 2009 environmental assessment on upgrading options for the Munmorah power station, Delta Electricity stated that the Mandalong coal mine currently supplies coal for the plant. In 2016, it was temporarily put on care and maintenance.

• Operator: Centennial Mandalong Pty Limited
• Owner: Centennial Coal
• Location: New South Wales, Australia.
• GPS Coordinates: -33.119111, 151.461844 (exact)
• Status: Operating
• Production: 2.78 million tonnes per annum (2022)
• Total Resource:
• Mineable Reserves: 68.14 MT (proven and probable)
• Coal Type: Thermal
• Mine Employment: 815
• Mine Type: Underground, longwall
• Mine Depth: 300 m (250-330 exact)
• Start Year: 2005
• Source of Financing:

Associated Coal Mine Methane Mitigation Projects

Some coal mines have installed infrastructure which can use and/or destroy some methane emissions associated with mining. In 2024, the Global Methane Initiative reported that this mine had a mitigation project associated with it. This methodology page describes how GEM classified these projects and linked them with coal mines in the Global Coal Mine Tracker.

Table MM1: Methane mitigation projects

Mitigation Project Name	Project Type	GMI Reported Status	GMI Reported Start Year
Mandalong Flaring - Australia	Flaring	Operational	2013
Mandalong Power Generation Project - Australia	utilization	Stalled	–
Mandalong VAM Destruction Heaters Project - Australia	VAM destruction	Stalled	2013

Methane Plumes Detected Nearby

Global Energy Monitor researchers analyze satellite-detected methane plumes in order to determine whether they have been observed at or near the site of GEM energy assets. The satellite data provider creates imagery of individual methane plumes and estimates their emission rates at the time of observation. GEM has reviewed many of these plume detections against Google Earth imagery and GEM’s own energy infrastructure tracker data. The following table lists methane plumes which are associated with the energy asset or facility based on distance and manual review. (A full description of the analysis process is available in the Global Methane Emitters Tracker methodology wiki page.)

Table M1: Plume details

For additional details on this individual plume identification and others, see the Global Methane Emitters Tracker.

Observation date	Satellite data provider	Location of plume origin	Methane emissions rate	Additional plume information
2023-09-15T04:26:28+00	CarbonMapper, emi20230915t042628p02007-A	-33.11399051, 151.4606648	3712.282086 kg/hr	New South Wales State Methane Observation 2023-09-15, 1
2023-09-19T02:52:13+00	CarbonMapper, emi20230919t025213p01007-A	-33.11425972, 151.4608151	6082.288876 kg/hr	New South Wales State Methane Observation 2023-09-19, 2
2024-03-25T00:29:24+00	CarbonMapper, emi20240325t002924p15023-A	-33.1135987, 151.4607718	347.2715986 kg/hr	New South Wales State Methane Observation 2024-03-25, 1
2024-09-19T01:58:11+00	CarbonMapper, emi20240919t015811p01015-A	-33.11388962, 151.4609275	8370.999231 kg/hr	New South Wales State Methane Observation 2024-09-19, 1
2025-02-04T00:16:18+00	CarbonMapper, tan20250204t001618c00s4001-A	-33.11420969, 151.4606963	839.808587 kg/hr	New South Wales State Methane Observation 2025-02-04, 1

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.