Petronas, TotalEnergies and Mitsui sign joint venture agreement for offshore Malaysia carbon storage
Petronas, TotalEnergies, and Mitsui agreed to form a joint venture to develop a CO2 storage site offshore Peninsular Malaysia, targeting 5M tonnes/year by 2031. The project, part of Malaysia's Southern CCS Hub, will receive CO2 from domestic and regional sources. The partners aim for a final investment decision soon.
How this was made

The 30-second read
Why it matters
The partnership expands CCS capacity in Southeast Asia, offering new revenue streams and ESG credentials for the participants.
Market read
The announcement adds a significant CCS project to the pipeline, potentially influencing ESG‑focused investors and the broader carbon‑capture market.
What to watch
Potential cost overruns and the need for cross‑border CO₂ transport agreements may affect project economics.
Background
A joint venture between Petronas, TotalEnergies, and Mitsui aims to create an offshore CO₂ storage hub capable of handling up to 5 Mt per year, with first injection targeted for 2031.
Market effects
Strengthens the carbon capture and storage sector outlook, encouraging further investment.
Highlights Malaysia as a hub for CCS, potentially attracting related infrastructure projects in the region.
Adds to global CCS capacity targets, supporting climate‑transition narratives.
Counterpoint
The long lead‑time and uncertain regulatory framework could delay commercial benefits, limiting near‑term stock impact.
Key entities
- companyPetronas CCS Ventures
Malaysian national oil company leading the offshore storage hub.
- companyTotalEnergies
French energy major joining the JV to develop CCS assets.
- companyMitsui & Co.
Japanese conglomerate participating in the offshore CO₂ storage project.




