policy
WA Critical Minerals Revenue Bill 2026: Perth Transport Funding Differs From Arrangements in Adelaide and Brisbane
Perth residents will see iron ore royalty allocations directed to Metronet rail works under the bill, while eastern capitals receive different federal-state shares for their own projects.
How we reported this
The WA Critical Minerals Revenue Bill 2026 alters how the state distributes royalty payments from iron ore and lithium projects. It directs a larger portion of those funds to state transport accounts instead of general revenue. This change affects Perth households through future rail timetables and road maintenance schedules.
Why the legislation reaches parliament now
State budget papers released in May 2026 projected a surplus built on record royalty receipts. The bill responds to federal changes in GST distribution formulas that took effect on 1 July 2026. Policy analysts note the measure aligns WA rules with updated Commonwealth Grants Commission calculations.
Perth commuters on the Armadale and Midland lines stand to gain from extra Metronet stage funding. In contrast, Adelaide residents rely on separate federal infrastructure grants for their Gawler line electrification. Brisbane households receive allocations through the Queensland Resources Royalties scheme that does not tie directly to rail construction.
Budget figures and daily costs for residents
State Treasury estimates show $1.2 billion in royalty revenue redirected over four years. The legislation states this amount will support 18 kilometres of new Metronet track between Thornlie and Cockburn. Local advocates note this compares with Sydney’s use of federal funds for the Sydney Metro West project, which draws on different revenue streams and does not reduce state petrol excise contributions.
Perth drivers currently pay 11.8 cents per litre in state fuel franchise fees. The bill leaves that rate unchanged but caps any future increase tied to royalty shortfalls. Residents in Melbourne face a different cap under Victorian legislation that links fuel fees to mining royalties only when prices fall below a set threshold.
The government says the policy will begin on 1 January 2027. Parliamentary committees are scheduled to report by 30 September 2026. Further amendments could adjust the share Perth receives versus regional WA mining towns.