Woodside Energy has officially taken over operatorship of the Gippsland Basin Joint Venture and Kipper Unit Joint Venture from Esso Australia Resources—putting it in charge of the single largest source of gas for Australia’s east coast market. That market supplies roughly 40% of domestic demand across seven states and territories.
CEO Liz Westcott called the completed transition “a new chapter” for assets that have powered Australian homes and industry for decades.
Woodside assumes control of Gippsland Basin operations
This is an operatorship handover — not an ownership change. Woodside and Esso Australia Resources each keep their 50% participating interest in the GBJV and their 32.5% stake in the KUJV. What’s changed is who runs things day-to-day.
Westcott described the completion as an important milestone for Woodside’s Australian operations. The company now takes on responsibility for safe, reliable production across a network employing approximately 1,200 workers in offshore and onshore roles. Those workers aren’t being replaced — experienced Gippsland teams stayed put, keeping operations running smoothly through and after the handover.
Why Esso Australia transferred operatorship to Woodside
Esso chose to exit the operator role while keeping its equity interests in both joint ventures intact. That’s a meaningful distinction. The company retains financial exposure to the assets but steps back from the day-to-day management burden that comes with running them.
Woodside’s track record managing complex, long-life energy assets made it a logical fit. The Gippsland Basin is mature infrastructure—it’s been producing for decades, and that lifecycle stage demands a particular kind of operational discipline and forward planning. The transition was structured with continuity as the priority, reducing the risk of disruption to an asset supplying a significant share of East Coast gas.
Implications for Australia’s east coast gas supply
The numbers are hard to ignore. The Gippsland Basin currently supplies approximately 40% of Australian east coast domestic gas demand—across Queensland, New South Wales, Victoria, Tasmania, the ACT, the Northern Territory, and South Australia. Every cubic meter produced under Woodside’s operatorship goes to the Australian domestic market. No export component. That 100% domestic dedication makes stable, competent operatorship a genuine energy security issue, not just a corporate milestone.
Woodside has also flagged room to grow supply from within the existing joint venture—prospects within the GBJV have the potential to deliver up to 200 petajoules of additional gas to the east coast market. That growth could be achieved using existing infrastructure, meaning lower development costs and faster timelines than greenfield alternatives. It’s a significant opportunity at a time when East Coast gas markets face ongoing supply pressure.
Background: Gippsland Basin’s role in Australian energy history
The Gippsland Basin’s contribution to Australian energy stretches back decades. The assets—centered on the Longford Gas Plant and the Long Island Point processing facility—have been supplying gas to homes and industry long enough to count as foundational infrastructure for the East Coast market.
There’s also a deeper connection between Woodside and Gippsland that predates this transaction entirely. The company was named after the small Victorian town of Woodside in Gippsland, where its founders first explored for oil more than 70 years ago. Westcott acknowledged that history directly, describing the assumption of operatorship as a return to where the company began—framing Woodside’s role here as something with genuine historical continuity rather than a purely financial move.
As operator, Woodside brings its own operating systems, governance frameworks, and technical capabilities to the assets. The company’s focus spans ongoing production, disciplined investment, and planning for late-life asset management and decommissioning. Mature assets require planning well in advance, and having a single experienced operator accountable for them—rather than splitting responsibility across a divided structure—brings clearer accountability to a genuinely complex task.
200 petajoules of additional supply
Woodside Energy is now the operator of Australia’s largest domestic gas supply source. The GBJV and KUJV together account for roughly 40% of East Coast domestic gas demand, and all of that production goes to the Australian market.
Ownership hasn’t changed. Woodside and Esso Australia Resources each hold 50% in the GBJV and 32.5% in the KUJV. Esso stepped back from the operator role—it didn’t exit the assets.
Around 1,200 workers support operations across the Longford Gas Plant, Long Island Point, and associated offshore facilities, and those teams remain in place under the new operational structure. Looking ahead, Woodside identified development prospects within the GBJV that could add up to 200 petajoules of additional supply using existing infrastructure. The company has committed to working with regulators, joint venture participants, customers, and local communities as it takes the assets into their next phase.
Kelly is an experienced writer with 15 years of experience exploring the big stories that shape our world, from tech breakthroughs and space exploration to climate, energy, and the fascinating quirks of science. She has a talent for turning complex ideas into sharp, memorable insights that stay with readers long after they’ve finished reading.
