PETRONAS, TotalEnergies and Mitsui ink deal for carbon storage areas in southern hub
PETRONAS, TotalEnergies, and Mitsui have signed a joint-venture agreement to develop CO2 storage areas offshore Peninsular Malaysia, targeting a depleted gas field with a capacity of up to 5 million tonnes per annum by 2031. The deal is part of Malaysia's Southern Carbon Capture and Storage (CCS) Hub initiative, with the partners aiming for a final investment decision soon.
How this was made

The 30-second read
Why it matters
The deal creates a new revenue source for the partners but the first injection is not expected until 2031, making the impact long‑term.
Market read
A new multi‑partner CCS project in Southeast Asia could shape the carbon‑capture market and affect the involved energy majors over the next decade.
What to watch
Potential cost overruns, permitting challenges, and the need for off‑take agreements could limit upside.
Background
The joint‑venture agreement builds on prior 2023 and 2025 agreements among the three firms to develop offshore CO₂ storage capacity.
Ticker impact
TotalEnergies joins PETRONAS and Mitsui in a joint‑venture to develop a 5 Mtpa CO₂ storage hub offshore Malaysia.
likely modest upside as investors price future CCS revenue opportunities
The JV creates a new revenue stream but the benefits are several years away, so immediate price movement is limited.
Market effects
Strengthens the carbon capture and storage sector outlook in Asia, may spur further investments.
Highlights Malaysia's ambition as a regional CCS hub, could attract related infrastructure investors.
Adds to global CCS pipeline growth, supporting climate‑tech investment themes.
Counterpoint
The long development timeline and regulatory uncertainties could delay any material benefit to the partners.
Key entities
- companyPetronas CCS Ventures Sdn Bhd
Petronas subsidiary leading the CCS project.
- companyTotalEnergies EP CCS Malaysia
TotalEnergies' CCS arm participating in the JV.
- companyMitsui & Co Ltd
Japanese conglomerate joining the CCS venture.




