West Wallsend Colliery is an underground coal mining operation located in the Newcastle Coalfields near Lake Macquarie. West Wallsend Colliery is operated in conjunction with the Macquarie Coal Preparation Plant (MCPP), located adjacent to the mining operation, which handles and processes run of mine (ROM) coal received from West Wallsend Colliery.
West Wallsend Colliery and the MCPP are operated by Oceanic Coal Australia Limited (OCAL) on behalf of Macquarie Coal Joint Venture. OCAL is the majority shareholder in the Macquarie Coal Joint Venture with 70% ownership. Other shareholders include Marubeni Coal Pty Ltd (17%), OCAL Macquarie Pty Ltd (10%) and JFE Minerals (Australia) Pty Ltd (3%). OCAL, which also owns OCAL Macquarie Pty Ltd, is wholly owned by Xstrata Coal (Australia) Pty Limited.