1、The Cost of Extending a MineThe Lake Vermont mine and extension could release up to 100 milliontonnes of C02-e if approved,before any of its coal is burned.Published date:25 May 2023Authors:Annika Reynolds,Dr Sabina Assan,Chris Wright1ContentsExecutive Summary2Climate impact5Supporting Materials10Me

2、thodology10Conversion Factors10Calculating the Estimated Methane Emissions from the EIS and Independently 10Acknowledgements10Embers submission10Header image11AboutThis research evaluates the integrity of the estimated Scope 1(methane)emissions from theLake Vermont mine,which is currently seeking ap

3、proval to expand its underground andsurface mining.Embers independent assessment of the likely methane emissions from theextension relied upon reported run-of-mine coal production data,State-based emissionsfactors and comparisons against the average methane intensity of underground mines in theBowen

4、 Basin according to their emissions reporting to the Clean Energy Regulator(2016-2021).2Executive SummaryThe climate impact of mining atLake Vermont could be doublewhat is currently estimatedThe Lake Vermont mine is currently applying for permission to ramp upcoal production and release the carbon e

5、quivalent of up to 100 milliontonnes of CO2-e over the next 23 years until 2055,as Australia targetsnet zero by 2050.The Lake Vermont Meadowbrook Extension Project,which is 70%owned by Queenslandmining company Jellinbah Group Pty Ltd,is currently applying to expand its miningoperations until 2055.Th

6、e application includes plans to start underground and expandopen-cut mine operations.Embers analysis indicates that the mine may be significantly under-estimating the potentialmethane emissions that will result from the mines operation,and pose a significant threat toboth the legitimacy of the Safeg