Electric against diesel, per truck-hour
Break-even electricity price A$408/MWh for the Fortescue design, with the fuel tax credit.
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The break-even price is the delivered electricity price, at the meter including chargers, at which the electric fleet costs the same per truck-hour as diesel.
- Fortescue design: A$408/MWh central, A$351/MWh with conservative battery life, with the fuel tax credit.
- Without the fuel tax credit: A$549/MWh and A$492/MWh.
Diesel costs A$839 per truck-hour with the credit: the truck, running costs, maintenance and 165 litres at A$1.96.
Sources: Caterpillar Performance Handbook; Springpole PFS 2025; Fortescue and Liebherr 2024–26; AIP; ATO; ITK estimates.