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Coal mine methane

Coal Seam Methane Diagram
Click to view large image

Coal mining liberates methane gas trapped in coal seams. Coal Mine Methane (CMM) gas is a safety hazard and impediment in underground coal mines. It must be extracted by mine ventilation and coal seam drainage. This extracted methane can be used as a power generation fuel. CMM has more than 20 times the global warming potential of CO2 in the atmosphere.

Energy Developments developed and owns one of the world's largest coal mine methane (CMM) power generation projects at the Appin and Tower coal mines in New South Wales, Australia. This 97MW project completed in 1996 established Energy Developments as the world leader in CMM power generation.

The Company has one other CMM project in operation – the 32MW German Creek CMM project completed in early 2007 at Anglo Coal’s German Creek mining complex in Central Queensland. The Company is also due to complete its $60 million 45MW Moranbah North CMM project at Anglo Coal’s Moranbah North mine in Central Queensland in late 2008. When fully operational these two projects alone will remove greenhouse gas of over 2 million tonnes of CO2 per annum from the environment.