Mining and green energy company Fortescue has commenced construction of the 440 MW Solomon Airport solar project in Western Australia’s Pilbara region, marking a major step in its plan to deploy 1.3 GW of solar capacity to power iron ore operations and support its Real Zero emissions objective.

The Solomon Airport project is expected to become the largest solar installation in Western Australia. Once completed in 2028, it will contribute roughly one-third of the renewable capacity required under Fortescue’s 2030 decarbonisation strategy for its Australian iron ore operations. The development will involve the installation of approximately 671,000 solar panels.

Scaling Renewable Power for Mining Operations

The new project builds on Fortescue’s earlier renewable developments in the Pilbara. The 190 MW Cloudbreak solar farm is currently around two-thirds complete, while the company plans to begin construction later this year on the 644 MW Turner River solar project.

When combined with the existing 100 MW North Star Junction solar farm, the Solomon Airport, Cloudbreak and Turner River projects will collectively deliver around 1.3 GW of solar capacity across the region. In parallel, Fortescue is constructing the 133 MW Nullagine wind farm to diversify its renewable generation mix and support round-the-clock supply.

The strategy is designed to replace diesel and gas-fired generation at remote mining sites with renewable energy supported by transmission infrastructure and battery storage. According to Fortescue Metals and Operations CEO Dino Otranto, each successive solar development has achieved lower installed capital intensity as technology improves and economies of scale increase.

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Integrated Energy Infrastructure in the Pilbara

The renewable rollout forms part of Fortescue’s broader Pilbara Energy Connect initiative, which integrates generation assets with a high-voltage transmission network linking mines, processing facilities and rail infrastructure.

More than 480 kilometres of transmission lines have already been delivered under the programme, with total network length expected to exceed 620 kilometres upon completion. The transmission backbone enables solar and wind assets to supply firmed renewable power across dispersed mining operations.

By combining utility-scale solar, wind generation, battery storage and transmission, Fortescue is seeking to reduce operational emissions while maintaining energy reliability in one of the world’s most remote mining regions.

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Operational Decarbonisation and Real Zero Target

Fortescue’s Real Zero target focuses on eliminating operational emissions from its Australian iron ore business by 2030. Unlike net-zero approaches that rely on offsets, the company’s strategy emphasizes direct electrification and renewable substitution for fossil fuel use.

The 1.3 GW Pilbara solar portfolio represents a central component of this approach. As construction progresses across multiple sites, Fortescue is positioning renewable generation as core operational infrastructure rather than supplementary supply.

The Solomon Airport project therefore represents more than a single solar development. It signals continued capital deployment into large-scale renewable energy as mining companies seek to address Scope 1 and Scope 2 emissions through structural energy transition investments.

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