The company announced plans to increase the electric trucks and motorbikes in its network as part of 2030 sustainability goals on Wednesday, as well as doubling its solar power generation and using more low-carbon fuels.
The targets come after the national provider cut its carbon emissions by more than anticipated in 2025, and a week after it posted a reduced half-year profit that it said reflected strategic investments in its fleet, technology and facilities.
Australia Post unveiled its environmental goals in its 2030 Sustainability Framework report, led by a target to reduce its direct emissions by eight cent compared with 2025.
The company previously cut its carbon emissions by 20 per cent – five per cent more than it targeted.
Structural changes in transport, energy and resources would be necessary to significantly cut greenhouse gases in future, Australia Post chief sustainability officer Richard Pittard said, and would include expanding its electric vehicle fleet.
"Reducing emissions in a network as large and complex as ours is not simple," he said.
"It requires electrification, low-carbon fuels, renewable energy and smarter logistics but just as importantly, it requires partnership across our supply chain."
Australia Post operates the largest electric vehicle fleet in the country, with more than 5600 low-emission trucks, motorbikes and three-wheelers in operation.
The company added another 500 Rapide 3 electric vehicles to its delivery network in October, each featuring a built-in canopy, 180km range, and space for an extra 120 parcels.
As well as changes to its fleet, Australia Post would seek to install 30 megawatts of solar capacity on its sites, up from a goal of 14 megawatts, and would continue to match electricity use with energy from renewable sources, the report said.
The company would also seek to maintain its scope three emissions - those created by suppliers and customers - at 2025 levels, and reduce waste sent to landfill by 30 per cent.
Australia Post previously cut its landfill by 39 per cent compared to 2019, and Mr Pittard said the firm would consider how materials could be used and reused to achieve its 2030 goal.
"By embedding circular principles into how we operate, using less, using longer and using again, we can reduce waste within our business and explore how our national network can help Australians do the same," he said.
While letter deliveries have reached a historic low for the postal service, parcel deliveries are expected to increase throughout the period to 2030 after a record 283 million were delivered in the last half of 2025.
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