SMRTR Science & EngineeringApr 14, 2026Interesting Engineering

‘World-first’ off-grid project combining solar, wind and 5 GWh of battery storage

SMRTR summary

Australian mining giant Fortescue is building the world's largest off-grid renewable energy system at its Pilbara ore site, combining solar, wind, and 5 GWh of battery storage to completely eliminate fossil fuel use in mining operations by 2027. The groundbreaking project will save $100 million annually while proving that energy-intensive industries can operate entirely on renewables around the clock. Fortescue plans to commercialize this technology globally through licensing and "Energy as a Service" offerings.

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