Electricity price at which an electric truck breaks even
A$549 without the credit, A$408 with it, against A$286 delivered from the green grid.
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The fuel tax credit lowers what diesel costs the miner, so it lowers the electricity price at which electric trucks break even: from A$549/MWh to A$408/MWh for the Fortescue design.
The green bar is the cost of electricity from Fortescue’s green grid, delivered at the meter including chargers: A$286/MWh at an 8% real pre-tax WACC (see the delivered cost pages).
Sources: Caterpillar Performance Handbook 2022; AIP terminal gate prices; ATO fuel tax credit rates; Springpole PFS 2025; ITK Pilbara green grid model.