Fortescue Metals Group is driving one of the most ambitious decarbonization programs in the global mining industry, targeting a complete phase-out of fossil fuels from its Pilbara operations by 2030.
Electric Equipment Expansion
Fortescue has announced the addition of a 15th electric excavator to its mining fleet, with the company reporting that these machines have collectively moved 100 million tonnes of ore. Each excavator is connected to the power grid via an electric cord and saves approximately one million litres of diesel per year.
The company plans to install a total of 70 electric excavators.
In a significant scaling of its electric fleet, Fortescue also announced plans to introduce up to 400 fully electric haul trucks, each weighing approximately 240 tonnes. The first trucks from Liebherr are scheduled to arrive mid-year, followed by units from China's XCMG. This transition is substantial given the company currently uses approximately 700 million litres of diesel annually across its mining operations.
Renewable Energy Infrastructure
The company is building a comprehensive portfolio of renewable energy projects to power its operations:
- Cloudbreak solar farm: 190 MW capacity, expected to be completed in a few months
- Turner River solar hub: 600 MW capacity, currently under construction
- Nullagine wind project: 133 MW capacity, featuring 17 turbines with 7.8 MW units from Envision. These turbines utilize "self-lifting" tower technology developed by Spain's Nabrawind, which was acquired by Fortescue. The turbines will have a hub height of 188 meters and 89-meter blades. Construction has commenced.
- Broader wind development: A larger wind project could total up to 2 GW of capacity
The Pilbara green grid is projected to include 1.2 GW of solar capacity, over 600 MW of wind generation, and 4-5 GWh of battery energy storage by the end of 2028. The system includes 620 km of transmission lines.
Financial Investment and Timeline
Fortescue has announced a US$680 million investment for the Pilbara Green Energy Project, an off-grid renewable energy system for data centres and industrial customers. This project is separate from the company's US$6.2 billion decarbonization plan for its iron ore mines.
The company expects to power all Pilbara operations for 24-hour periods without fossil fuels by the end of 2027. Fortescue projects that the full renewable energy supply system will be complete by 2028.
Economic Projections
Fortescue CEO Dino Otranto stated that declining costs of wind, solar, and battery storage, along with advancements in software and AI, make the transition economically viable.
The company projects annual savings of at least US$100 million (A$150 million) from the transition.
Fortescue predicts a further reduction in mining costs of at least US$2-4 per wet metric tonne upon completion of its decarbonization program. The company estimates that 2 GW of wind and solar with 4 GWh of battery storage could be delivered for approximately US$2.5 billion.
Company Targets
Chairman Andrew Forrest has set a target of achieving "real zero" by 2030, which the company defines as burning no fossil fuels for power, transport, or mining equipment by that time. The company has indicated some aspects of this goal may be achieved earlier.
Fortescue's "real zero" target utilizes existing and competitive technologies, according to company statements.
The company also reported that first hot metal production at its Green Metal Project in Christmas Creek is expected in the June quarter.
Industry Context
Fortescue's approach to decarbonization differs from that of BHP and Rio Tinto. Those companies have stated that the technology for rapid decarbonization of their large mines does not yet exist, despite investments in renewable energy at some projects. The Minerals Council of Australia has been involved in discussions within the mining industry regarding the pace of Australia's transition to renewables.