Phone Numbers

Please direct any complaints relating to the Mount Pleasant Operation to our 24/7 Community Hotline – 1800 886 889. You can also fill out the Contact details below or email your complaint details to If you have a general question about MACH Energy or the Mount Pleasant Operation please contact 1800 931 873. 


Postal address – PO Box 351, Muswellbrook NSW 2333

Delivery – 1100 Wybong Road, Muswellbrook NSW 2333

Head Office – Suite 1, Level 3, 426 King Street, Newcastle West NSW 2302 – Postal address – PO Box 2115, Dangar NSW 2309


Blasting Announcements:

Please see our website for up to date details. Click here to view

The Muswellbrook Shire Council website also includes notices of planned blasts at the Mount Pleasant Operation and surrounding operations. Click Here to View


All available MACH Energy vacancies will be advertised on 

For all other career-related queries please email

For employment opportunities relating to ongoing mining services, please view




General enquiries, including community complaints, investors, contractors, suppliers & media

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