In April 2026, diesel exceeded $3.20 per litre nationally. The cause is straightforward: Iran’s escalation of tensions has effectively closed the Strait of Hormuz, through which around 20% of global seaborne oil passes. Australia imports approximately 90% of its refined fuel. The Prime Minister halved the fuel excise on 30 March — welcome relief for motorists, but not enough to offset what major infrastructure projects are absorbing right now.
For procurement managers on projects above $10 million in Victoria, the pressure isn’t just at the pump. It’s in every variation claim, cost report and subcontractor conversation you’re having right now.
Why Infrastructure Gets Hit Twice
The first hit is direct: diesel-powered plant, equipment and logistics. A project running 5,000 litres per month is now spending approximately $3,500 more per month than 18 months ago. Over a 12-month project, that’s $42,000 in un-budgeted fuel cost before you factor in materials.
The second hit is indirect. Pipe manufacturer Iplex notified customers in April 2026 of 27–36% price surcharges, citing energy cost increases in manufacturing and transport. Steel and concrete carry the same embedded exposure. RLB forecasts 4–6% national construction cost escalation in 2026 — on a $20 million contract, that’s up to $1.2 million in variance.
There’s also a Victorian-specific risk most people aren’t talking about: Victoria places tighter restrictions on fuel cost escalation clauses than NSW, QLD and most other states. That doesn’t make the cost go away. It shifts the burden of proof onto whoever is trying to claim it back.
The Real Problem Is the Data
A government contract administrator won’t accept a rounded estimate. They’ll ask for plant-by-plant consumption records, broken down by project stage and cost code. Most subcontractors can’t provide that. The result is disputed variations, delayed approvals, and cash flow pressure that flows up the entire supply chain.
The ability to substantiate a claim with actual data isn’t a nice-to-have in Victoria’s contract environment. It’s the difference between recovering a legitimate cost increase and absorbing it.
What Best-Practice Subcontractors Are Doing
The subcontractors who can defend a variation claim in the current environment are tracking fuel at the plant level, in real time, allocated to specific project stages and cost codes. That data can be cross-referenced against programme milestones, and fed directly into the principal contractor’s cost reporting system via API.
Worth noting: the same data infrastructure supports Scope 1 emissions reporting, which Victorian government clients are increasingly beginning to require. Subcontractors building this capability now are ahead of the next compliance wave, not scrambling to catch up.
Five Questions to Ask Your Subcontractors Right Now
- Can you provide project-level fuel consumption data broken down by plant?
- Can you allocate that consumption to specific stages and cost codes?
- Is your data updated in real time, or estimated at month end?
- Can it feed into our cost reporting system via API?
- Are you tracking Scope 1 emissions alongside fuel consumption?
A subcontractor who can answer yes to all five is a different commercial proposition on a tight Victorian government contract.
Working on a project where this is already affecting your budget?
Precision Hydro works exclusively with principal contractors and procurement teams on projects above $10 million. We can show you exactly how we track and report fuel consumption data on live projects — not estimates, actual numbers.