Victoria’s public transport network has taken another step towards electrification with the opening of a new electric bus depot in Preston, designed to support the growing rollout of zero emission buses across Melbourne’s northern suburbs.
The Preston facility will house up to 58 electric buses, which are expected to travel more than 2.8 million kilometres each year on routes serving areas including Moonee Ponds, Melbourne University and Reservoir. The buses will progressively replace older diesel vehicles that currently carry thousands of passengers each day.
A central feature of the depot is a Victorian first overhead gantry charging system, intended to increase space efficiency and allow a higher number of electric buses to be charged within the same footprint. The government says this design choice reflects the practical challenges of transitioning existing depots to electric fleets in dense urban areas.
The opening comes as Victoria continues to work towards its target of net zero emissions by 2045. Transport remains a major source of emissions, and buses represent a visible part of that challenge, particularly in suburban areas where services run frequently throughout the day.
Alongside the infrastructure investment, the Preston depot is supporting the training of five additional workers, focusing on the skills required to maintain and operate electric buses. The transition is expected to reshape parts of the bus maintenance workforce over time, with fewer mechanical components and greater reliance on electrical systems and software.
The new buses and depot form part of the Metropolitan Zero Emission Bus Franchise contracts, which aim to transition around a third of Melbourne’s metropolitan bus fleet to electric vehicles by 2035. This equates to about 600 diesel buses being phased out, with the government estimating annual emissions reductions of around 45,000 tonnes once the program is fully in place.
While environmental benefits are often highlighted, transport planners also point to changes passengers may notice more immediately, including quieter operation and smoother acceleration. Advocates argue these factors can improve the experience for passengers and reduce noise impacts in residential areas. Others caution that reliability, charging capacity and long term maintenance costs will be key tests as fleets scale up.
The government has flagged that later this year it will begin trials of zero emission buses in regional Victoria. Those trials are intended to help smaller and medium sized operators prepare for electrification, where longer distances and different operating conditions can present additional challenges.
The Preston project sits within the broader Victoria’s Bus Plan, which focuses on improving network coverage, service frequency and accessibility. Since the plan was introduced, more than 126 bus networks have been upgraded and over 11,000 additional weekly services added, according to the government. Officials say the shift to electric buses is being planned alongside these service improvements rather than treated as a standalone change.
Minister for Public and Active Transport Gabrielle Williams said the new buses offered benefits for passengers and communities, while also recognising the role of operators and workers in delivering the transition. Energy and Resources Minister Lily D’Ambrosio said the franchise contracts were intended to combine emissions reduction with service improvements across Melbourne’s bus network.
Local representatives have welcomed the Preston depot, pointing to quieter streets, cleaner transport and new training opportunities in Melbourne’s north. At the same time, transport analysts note that the long term success of the transition will depend on sustained investment, grid capacity and the ability to integrate new technology without disrupting day to day services.
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