<h1>Greater Sunrise Gas Project (Northern Territory,Australia)</h1>
<p>The Greater Sunrise Gas Project is an offshore conventional gas project in the Timor Sea,between northern Australia and Timor-Leste. It comprises the Sunrise and Troubadour gas and condensate fields,discovered in 1974 and located approximately 450 kilometres north-west of Darwin and 150 kilometres south of Timor-Leste. The project is operated by Woodside Energy and is in the discovered phase,meaning hydrocarbons have been identified but commercial production has not started. Gross contingent resources are estimated at 5.1 trillion cubic feet of gas and 226 million barrels of condensate.</p>
<h2>Quick Facts</h2>
<table>
<colgroup><col/><col/></colgroup>
<tbody>
<tr><th>Item</th><th>Detail</th></tr>
<tr><td>Project Name</td><td>Greater Sunrise Gas Project</td></tr>
<tr><td>Country</td><td>Australia</td></tr>
<tr><td>Subnational Unit</td><td>Northern Territory</td></tr>
<tr><td>Fuel Type</td><td>Gas</td></tr>
<tr><td>Production Type</td><td>Conventional</td></tr>
<tr><td>Status</td><td>Discovered</td></tr>
<tr><td>Status Year</td><td>2023</td></tr>
<tr><td>Operator</td><td>Woodside Energy</td></tr>
<tr><td>Owner(s)</td><td>Timor GAP EP 56%; Woodside Energy Ltd 33%; Osaka Gas Co Ltd 10%</td></tr>
<tr><td>Parent Company</td><td>Woodside Energy Group Ltd 33.4%; Osaka Gas Co Ltd 10.0%; Government of Timor-Leste; Timor GAP EP</td></tr>
<tr><td>Discovery Year</td><td>1974</td></tr>
<tr><td>Onshore/Offshore</td><td>Offshore</td></tr>
<tr><td>Block(s)</td><td>JPDA 03-19; NT/RL 2; NT/RL 4</td></tr>
</tbody>
</table>
<h2>Location and Operating Area</h2>
<p>Greater Sunrise is located offshore in the Timor Sea,approximately 450 kilometres north-west of Darwin and 150 kilometres south of Timor-Leste. The project is associated with production sharing contract JPDA 03-19 and Australian retention leases NT/RL 2 and NT/RL 4. The location between Timor-Leste and northern Australia has been a central factor in development concept discussions,as Timor-Leste is much closer to the fields than Darwin,but a pipeline to Timor-Leste would need to cross the deep Timor Trough.</p>
<h2>Operator and Ownership</h2>
<p>Woodside Energy is the operator with a 33.44% participating interest. Timor GAP holds a 56.56% majority interest,and Osaka Gas holds 10%. The Government of Timor-Leste acquired former ConocoPhillips and Shell interests through Timor GAP-related entities,giving the host state a direct majority stake. Woodside leads technical and commercial maturation,while Timor GAP’s position reflects Timor-Leste’s focus on development concepts that maximise domestic economic benefits.</p>
<h2>Development History</h2>
<table>
<colgroup><col/><col/><col/></colgroup>
<tbody>
<tr><th>Milestone</th><th>Year</th><th>Details</th></tr>
<tr><td>Discovery</td><td>1974</td><td>The Sunrise and Troubadour fields were discovered.</td></tr>
<tr><td>Concept study agreed</td><td>2023</td><td>The Sunrise Joint Venture agreed with Timor-Leste and Australia to undertake a concept study.</td></tr>
<tr><td>Cooperation agreement signed</td><td>2025</td><td>Timor-Leste’s Ministry of Petroleum and Mineral Resources and Woodside signed an agreement to mature a Timor-based LNG concept.</td></tr>
</tbody>
</table>
<p>Despite the 1974 discovery,Greater Sunrise has remained undeveloped due to prolonged commercial and political negotiations. Earlier development studies considered offshore processing with gas export to Darwin,floating LNG,and other options. Following the 2019 Australia–Timor-Leste maritime boundary treaty,negotiations on a new production sharing contract and fiscal regime have been ongoing. In 2023,the joint venture agreed to a concept study. The 2025 cooperation agreement focuses on a greenfield Timor-based LNG concept with approximately 5 million tonnes per annum capacity,a domestic gas facility,and a helium extraction plant. First LNG is discussed for 2032–2035,subject to concept selection and investment decisions.</p>
<h2>Production and Reserves</h2>
<p>Greater Sunrise has not entered commercial production. No production start year has been confirmed. Gross contingent resources are estimated at 5.1 trillion cubic feet of gas and 226 million barrels of condensate (Global Energy Monitor reports 144,416.7 million cubic metres of gas and 226 million barrels of condensate,2C resources,2023 data year). These are resource estimates; commercial reserves classification,production rates,and volumes depend on the final development concept and approvals.</p>
<h2>Recent Developments</h2>
<p>The November 2025 cooperation agreement between Timor-Leste’s Ministry of Petroleum and Mineral Resources and Woodside established a work program to mature a Timor-based LNG concept. Reuters reported that this was the first time the parties jointly outlined a potential start-up date of 2032–2035. In December 2025,Timor-Leste President José Ramos-Horta expressed optimism that improved trust could unlock the project. In 2024,the Government of Timor-Leste noted progress in negotiations on the Mining Code,Production Sharing Contract,and fiscal regime.</p>
<h2>Sources</h2>
<ul>
<li><a href="https://www.gem.wiki/Greater_Sunrise_Gas_Project_%28Northern_Territory%2C_Australia%2C_Timor-Leste%2C_Indonesia%29">Global Energy Monitor: Greater Sunrise Gas Project</a></li>
<li><a href="https://www.woodside.com/what-we-do/developments-and-exploration/greater-sunrise">Woodside Energy: Greater Sunrise</a></li>
<li><a href="https://www.timorgap.com/our-business/upstream/greater-sunrise/">Timor GAP: Greater Sunrise</a></li>
<li><a href="https://www.timorgap.com/the-greater-sunrise-project/">Timor GAP: The Greater Sunrise Project</a></li>
<li><a href="https://www.timorgap.com/newsroom/press-releases/sunrise-joint-venture-to-undertake-concept-select-with-a-strong-focus-on-delivery-of-gas-to-timor-leste/">Timor GAP: Sunrise Joint Venture Concept Select Program</a></li>
<li><a href="https://timor-leste.gov.tl/?lang=en&p=38559">Government of Timor-Leste: Progress in Greater Sunrise Negotiations</a></li>
<li><a href="https://timor-leste.gov.tl/?lang=en&p=46200">Government of Timor-Leste: New Era of Cooperation for Greater Sunrise</a></li>
<li><a href="https://www.reuters.com/business/energy/woodside-east-timor-aim-first-lng-greater-sunrise-2032-2025-11-25/">Reuters: Woodside and East Timor Aim for First LNG from Greater Sunrise in 2032-2035</a></li>
<li><a href="https://www.reuters.com/business/energy/east-timor-president-says-improved-trust-drive-long-stalled-gas-project-2025-12-03/">Reuters: East Timor President on Greater Sunrise Development Outlook</a></li>
<li><a href="https://timor-leste.gov.tl/?lang=en&p=21621">Government of Timor-Leste: Purchase of Interests in Greater Sunrise Fields</a></li>
<li><a href="https://ntepa.nt.gov.au/__data/assets/pdf_file/0006/290580/executivesummary.pdf">Northern Territory Environment Protection Authority: Sunrise Gas Project Environmental Impact Statement Executive Summary</a></li>
<li><a href="https://www.nsenergybusiness.com/projects/greater-sunrise-development/">NS Energy: Greater Sunrise Development</a></li>
<li><a href="https://www.offshore-technology.com/marketdata/oil-gas-field-profile-greater-sunrise-conventional-gas-field-timor-sea-joint-petroleum-development-area/">Offshore Technology: Greater Sunrise Conventional Gas Field Profile</a></li>
</ul>

IEPTC reference profile for Greater Sunrise Gas in Northern Territory,Australia,covering asset type,location,development status,and upstream industry context.

Greater Sunrise Gas Project (Northern Territory,Australia)

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Greater Sunrise Gas Project (Northern Territory,Australia)

Greater Sunrise Gas Project (Northern Territory,Australia)

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