Ann: Annual Report to Shareholders, page-66

Saw that...
Not sure what power usage as a % of the cost of value adding is for magnetite.

it certainly could not hurt to halve the cost/use of power
The process to get magnetite ore to shipping would use a considerable amount of electricity at the "value adding: stage of its production.

https://www.aph.gov.au/DocumentStore.ashx?id=ad4d9d8e-6eca-412b-bcd2-b6dbd992394c

The Sino Iron magnetite project's power station could meet the energy requirements of Canberra, its expanding open pit mine will eventually cover 11 square kilometres and the complex web of steel, crushing mills, screens and magnetic separators that make up the project's processing facility loom large on the Pilbara's horizon.



Really - DYOR