A fire at the Geelong refinery has exposed just how exposed island states can be when mainland supply chains come under pressure. Tasmania is now moving fast to change that.
The Trigger
On Wednesday 16 April, a significant fire tore through the gasoline complex at Viva Energy’s Geelong refinery. No one was injured. But the incident sent an immediate signal to energy planners across the country.
The Geelong refinery is one of only two operating oil refineries left in Australia. It supplies around 10 per cent of the nation’s fuel needs, and, according to the Tasmanian Government, almost all of Tasmania’s fuel requirements flow through that facility.
Within days of the fire, the Tasmanian Government announced it had moved to establish its own on-island Strategic Fuel Reserve, beginning work to identify latent storage capacity outside existing fuel terminals.
For builders and contractors operating in Tasmania, and for any business across Australia that runs plant, equipment or vehicles on diesel, the story is worth following closely.
Where Tasmania’s Fuel Supply Stands Right Now
The Government has confirmed that Tasmania’s fuel supply remains secure following the refinery fire. Current stock levels show 85 days of petrol and 48 days of diesel, accounting for both stock on hand and stock in transit.
Viva Energy has confirmed the fire primarily affected the gasoline production complex, with diesel and aviation fuel largely spared from the worst of the blaze. The company says it expects to replace lost production through its fuel import program.
But the incident has exposed something the industry has been aware of for some time. Depending almost entirely on one mainland refinery for island fuel supply is a structural vulnerability, not just a logistical inconvenience.
What the Government Is Actually Doing
The Tasmanian Government has announced it is working through a process to identify storage opportunities outside existing fuel terminals. Three decommissioned tanks at Self’s Point have already been flagged as a potential option. If brought back online, those tanks could provide an additional 12 million litres of storage capacity.
The Government is also exploring sourcing additional diesel supplies specifically to protect the transport and agricultural sectors, both of which are among the most fuel-dependent parts of the Tasmanian economy.
Next week, Minister for Small Business, Trade and Consumer Affairs Guy Barnett will travel to Singapore on a trade and investment mission, with fuel security listed as a key focus. Singapore and Malaysia are the primary sources of imported refined fuel for Australia when domestic production falls short, so the timing is deliberate.
Under new fuel laws already passed in Tasmania, the Government has the power to require Viva Energy to provide all relevant information about supply arrangements and storage capacity.
Why This Matters for Construction
Diesel is not a footnote in construction operations. It runs excavators, concrete trucks, delivery vehicles, generators and plant across every active site. When diesel supply tightens, costs rise and schedules become harder to hold.
Tasmania’s construction sector is already navigating a constrained labour market and project pipeline pressures. A fuel supply disruption on top of that would compound an already difficult operating environment.
The broader point extends beyond the island state. Australia’s fuel security discussion has been slow to reach a national reckoning. The country has minimal domestic refining capacity compared to its import dependency. When a fire, a geopolitical disruption, or a shipping delay reduces supply, the effects move quickly through transport-dependent industries, and construction sits near the top of that list.
The Middle East conflict, which has already affected global shipping costs and trade routes, adds a further layer of uncertainty to imported refined fuel supply from Singapore and Malaysia. Builders planning large project bids or multi-year programs should factor fuel cost and supply variability into their assumptions.
The Bigger Picture
Australia’s fuel vulnerability has been a known issue for years. The closure of most domestic refining capacity over the past two decades left the country heavily exposed to import supply chains. When those chains function normally, the system works. When they do not, the gaps show up fast.
What Tasmania is doing is essentially what prudent project managers do when they identify a single point of failure in a build. They create redundancy. A strategic reserve is a buffer. It does not solve the structural problem, but it buys time when things go wrong.
For builders, the principle is familiar. You do not find out your contingency plan is inadequate mid-project. You plan for it before the risk materialises.
The Tasmanian Government’s move to establish its own reserve is a practical response to a real and present risk. Whether it prompts broader action at the federal level or in other states remains to be seen.
In the meantime, businesses that depend on diesel should be watching supply conditions closely and reviewing their own operational buffers.
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