Malaysia’s plan to become a regional carbon storage hub now has a company structure behind it.
On 23 October 2026, Petronas CCS Ventures, TotalEnergies EP CCS Malaysia and Mitsui & Co. signed a Joint Venture Agreement to develop CO₂ storage areas offshore Peninsular Malaysia. The storage sites form a key component of the country’s Southern Carbon Capture and Storage Hub.
According to Petronas, the first phase will primarily target a depleted gas field with an expected injection capacity of up to 5 million tonnes of CO₂ per year, with first injection targeted as early as 2031.
The agreement also sets out the framework for a dedicated joint venture company that will develop, commercialise and operate the storage area. That is the step that turns a study partnership into a business.
Three Years of Groundwork Become a Company
The joint venture did not appear overnight. The three partners signed a CCS Development Agreement in 2023 and spent the following period on development studies and technical evaluations of potential storage areas, which Baird Maritime reports were in the Malay Basin.
In 2025 they moved to a Key Principles Agreement, which laid the groundwork for front end engineering and design and for the joint venture structure itself. In October 2025, Petronas CCS Ventures also received Malaysia’s first offshore assessment permit for carbon storage, covering the Duyong area.
Each stage narrowed the uncertainty. The 2026 agreement is the point where the partners commit to a shared vehicle that will own the commercial and operational responsibility for the store.
That progression matters.
Storage developers everywhere face the same question from emitters and lenders: who will actually operate the site for decades, and on what terms? A joint venture company with a national operator, an international major and a Japanese trading house gives that question a clear answer.
A Storage Hub Built for Shipped CO₂
The most important feature of the Southern CCS Hub is where its CO₂ is expected to come from. Baird Maritime reports that the hub is designed to receive CO₂ from domestic and regional sources, including potential cross-border shipments.
The supporting pieces are already being assembled:
- Petronas has formed a separate joint venture, Jules Nautica, with Mitsui OSK Lines and MISC to own liquefied CO₂ carriers.
- Mitsui and seven Japanese companies have completed engineering design, under a JOGMEC programme, for a chain that would capture CO₂ in Japan and ship it to storage offshore southern Peninsular Malaysia.
- Petronas secured land at Kuantan Port in 2024 as part of its hub plans.
- The new joint venture company will handle development, commercialisation and operation of the storage area.
Put together, that is a full value chain in outline: capture in one country, liquefaction and shipping, and permanent storage in a depleted reservoir in another.
Southeast Asia is building its own version of a shipped CO₂ chain, with Japanese demand at one end and Malaysian geology at the other.
Why Depleted Gas Fields Make Sense for a First Phase
Choosing a depleted gas field for the first phase is a practical decision. A field that held natural gas for millions of years has already proven it can trap buoyant fluids under a sealing rock layer. Operators also have decades of production data describing its pressure, porosity and wells.
That reduces the appraisal burden compared with a saline aquifer that has never been produced. It also gives Petronas, as the incumbent operator in Malaysian waters, a direct way to convert ageing upstream assets into long term infrastructure.
Petronas says the storage areas support Malaysia’s ambition to be a regional CCS hub. A first phase built on known reservoirs is the lower risk way to start that business.
What US Developers Can Take From the Malaysian Model
For American carbon management companies, the Malaysian deal is a useful comparison.
Gulf Coast storage projects are typically organised around pipelines, Class VI permits and the Section 45Q tax credit. Malaysia’s hub is organised around shipping, offshore storage permits and a joint venture of national, international and Japanese partners. The route is different, but the core lessons are the same.
Storage capacity alone does not win customers.
What wins customers is a credible operator, a clear permitting path and a defined schedule to first injection. The Malaysian partners have spent three years building each of those elements before asking emitters to commit.
There is also a market signal. If Japanese industrial CO₂ can be shipped to Malaysia, then storage is becoming a tradable service across borders. US Gulf Coast hubs with deepwater port access may eventually compete for or partner on similar flows, particularly for emitters in regions without their own geology.
The Next Milestone Is a Final Investment Decision
The joint venture agreement is not yet a final investment decision. Petronas CCS Ventures chief executive Emry Hisham Yusoff said the agreement “is a reflection of the strong partnership we have built with our strategic partners” and that the partners are confident of reaching FID in the near future.
Baird Maritime notes that the 2031 start date depends on industry readiness. In practice that means emitters signing storage agreements, ships being ordered and capture plants moving into construction on a matching timeline.
Those are the same dependencies that every shared hub faces, from Rotterdam to Houston.
Who commits first, the store or the emitters?
In Malaysia, the store has now moved.
The geology was always there. What Malaysia now has is a company built to sell it.
