To report a serious incident to DEM, as required by Section 85(2) of the Petroleum and Geothermal Energy Act 2000, licensees should contact the serious incident reporting hotline on: (08) 8463 6666. For more information please visit the Compliance and Monitoring webpage |          The Department for Energy and Mining (DEM) will transition its systems from GDA94 to GDA2020 and its associated Map Grid (MGA2020) over the weekend of 10th and 11th August 2019. For more information please visit the DEM Transition to GDA2020 webpage.