Chevron, South32 sign five-year Worsley gas deal
Chevron (CVX) and South32 (S32) signed a five-year deal for 55 petajoules of natural gas supply to Worsley Alumina in Western Australia, starting January 2028. Chevron says this supports Worsley's operations. South32 is selling Worsley to Alcoa (AAI) for completion by mid-2027, focusing more on copper. Worsley produced 3.72 million tonnes of alumina in FY26.
How this was made
The 30-second read
Why it matters
The agreement secures fuel for South32’s alumina production while expanding Chevron’s downstream market presence, potentially influencing both stocks positively.
Market read
A material supply contract that could affect earnings outlooks and sector dynamics in energy and mining.
What to watch
The contract’s undisclosed pricing leaves uncertainty about its true financial impact on both parties.
Background
The article reports a newly announced five‑year natural gas supply agreement between Chevron and South32 for the Worsley Alumina operation in Western Australia.
Ticker impact
Chevron announced a five‑year supply contract to provide 55 PJ of natural gas to South32’s Worsley Alumina operation.
likely modest upside as the contract secures future gas sales revenue.
Contract terms are undisclosed but the multi‑year volume is sizable; market typically rewards secured supply agreements.
Market effects
Highlights growing demand for natural gas in Australian mineral processing, may benefit other gas suppliers.
Supports Western Australia’s energy security and could boost related infrastructure projects.
Shows continued strategic partnerships between major US energy firms and international miners.
Counterpoint
If gas prices rise sharply, the contract could become a cost burden for South32, weighing on margins.
Key entities
- CompanyChevron
U.S. integrated energy major providing the gas supply.
- CompanySouth32
Australian miner operating the Worsley Alumina facility.



