Rio Tinto's $733M Iron Ore Investment in Western Australia Secures Jobs and Boosts Environmental Efforts
October 7, 2025
Rio Tinto’s approach emphasizes resource optimization and market stability by leveraging established infrastructure and high-quality deposits to remain resilient in the global iron ore market.
This initiative aims to unlock new iron ore deposits within the West Angelas hub and is set to begin ore extraction in 2027, with first ore from the expansion expected that year.
The project aligns with industry trends emphasizing brownfield development, automation, and environmental responsibility, including infrastructure reuse and water and energy efficiency.
Economically, the project supports Western Australia’s economy through employment, regional development, increased royalties, taxes, and bolstering Australia’s export earnings.
Technological innovations like advanced drilling, ore sorting, automation, and water recycling are incorporated to improve efficiency and environmental management, especially water conservation in the arid Pilbara environment.
Environmental considerations include dust control, habitat and cultural heritage protection, water management, and land rehabilitation to ensure sustainable operations.
Rio Tinto, in partnership with Mitsui and Nippon Steel, has announced a $733 million investment to sustain the West Angelas iron ore hub in Western Australia's Pilbara region, ensuring a stable annual production capacity of 35 million tonnes.
The project involves utilizing existing infrastructure, constructing new non-process facilities, and building 22 kilometers of haul roads, with all necessary government approvals secured.
The project follows a clear timeline, with approvals secured, construction underway, and a focus on maintaining current production levels amid evolving market conditions.
Strategically, the project reinforces Rio Tinto’s competitive position by securing reliable supply for Asian markets, demonstrating technological leadership through automation, and supporting regional economic stability.
During construction, approximately 600 jobs will be created, with around 950 full-time roles supported once the project is operational in 2027, providing significant economic benefits.
Rio Tinto has collaborated with Indigenous communities, including the Yinhawangka and Ngarlawangka peoples, to protect cultural heritage and address environmental concerns.
Summary based on 7 sources
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Sources

Economic Times • Oct 7, 2025
Rio Tinto and partners to invest $733 million in Pilbara iron ore project
The West Australian • Oct 7, 2025
Rio Tinto, partners commit $1.1b to new iron ore mine
The West Australian • Oct 6, 2025
Rio Tinto tips $389m into West Angelas expansion with JV partners Mitsui and Nippon Steel