OZ Minerals Wades Into Uncharted Renewables Territory at West Musgrave

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You do not get much more remote than OZ Minerals’ West Musgrave copper-nickel project. Located in the Ngaanyatjarra Aboriginal Lands of central Western Australia, it is some 1,300 km northeast of Perth and 1,400 km northwest of Adelaide; near the intersection of the borders between Western Australia, South Australia and the Northern Territory. The nearest towns include the Indigenous Communities of Jameson (Mantamaru), 26 km north; Blackstone (Papulankutja), 50 km east; and Warburton (Milyirrtjarra), 110 km west.

This makes the company’s ambition of developing a mine able to produce circa-32,000 t/y of copper and around 26,000 t/y of nickel in concentrates that leverages 100% renewable generation and can conduct ‘zero carbon mining’ even bolder.

OZ Minerals is not taking this challenge on by itself. In addition to multiple consultants and engineering companies engaged in a feasibility study, the company has enlisted the help of ENGIE Impact, the consulting arm of multinational electric utility company ENGIE, to come up with a roadmap that could see it employ renewable technologies to reach its zero ambitions.

“We’re providing an understanding of how they could decarbonise the mine to achieve a net zero end game,” Joshua Martin, Senior Director, Sustainability Solutions APAC, told IM.

While ENGIE Impact is focused solely on the energy requirements side of the equation at West Musgrave, its input will prove crucial to the ultimate sustainability success at West Musgrave.

Having worked with others in the mining space such as Vale’s New Caledonia operations (recently sold to the Prony Resources New Caledonia consortium), Martin says OZ Minerals is being “pretty ambitious” when it comes to decarbonisation.

gradient-quote Our job is to assess if the renewable base case stacks up for West Musgrave, create multiple decarbonisation pathways for their consideration and look at what technology should be adopted to achieve their overall aims. gradient-quote-right
Joshua Martin, Senior Director, Sustainability Solutions APAC

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