Mt Arthur Operations is the largest operating coal mine in Australia producing thermal coal for export and domestic markets. Since 2011, BHP Billiton has implemented two successful expansion programs. A further expansion is underway, which will see ROM output gradually increase to 27 Mtpa and marketable output to 21 Mtpa. Wood Mackenzie’s asset reports are built from the bottom up, incorporating a number of granular data metrics to ultimately produce our industry standard cash operating costs. This report contains a detailed asset note giving you a holistic view of the asset, including an operational overview through to a timeline of events from inception to now. This qualitative analysis is supplemented by the associated Excel download which enables interrogation of a whole series of cost and production metrics over the life of the asset.