Indonesia corridor its strategic weight (see Figure 3 ). Singapore-Indonesia CCUS corridor: ASEAN’s pathfinder case The Singapore- Indonesia CCUS corridor represents the most advanced expression of the corridor model in ASEAN to date. What began as an
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13
Sum of CO per year (Mt CO per year) Projects (Number of projects)
12
10
8
7.76
8
6
5.70
6
4
3.95
4
3
2
1
1.06
2
0.42
0.57 0.09
0
Commercial active
Pilot
Pilot completed
Commercial active
Pilot
Pilot completed
Commercial active
Asia
Europe
Oceania
Figure 4 Project maturity vs storage by region
cross-border settings characterised by uneven readiness across sectors and jurisdictions. The first CCS corridors in Southeast Asia will do more than cut emissions; they will set the cost, risk, and governance template for everything that follows. Once storage is proven, pipelines permitted, and MMV standardised, additional emitters can be connected at marginal cost. Cement anchors early demand; coal adds volume where alternatives are “ In ASEAN, the advantage will likely accrue to the corridors that secure storage certainty and shared infrastructure first ” limited. Scale then compounds. In ASEAN, the focus has moved beyond the case for multisector CCS hubs to the practical challenge of sequencing corridors and capturing first‑mover advantage. CCS projects advance most effectively where technical feasibility is matched by infrastructure and coordinated development (see Figure 4 ). Bridging the gap between ambition and execution remains the key challenge in less mature regions. bMark CCS is a trademark of Belltree.
exploratory bilateral dialogue has progressed into a structured framework aimed at enabling cross‑border CO₂ transport and permanent geological storage at commercial scale. In June 2025, the two governments signed Memorandum of Understanding covering cross‑border electricity trade, CCUS, and sustainable industrial zones, committing to the development of a legally binding mechanism governing transboundary CO₂ movement and storage. This framework was enabled by a preceding regulatory clarification in Indonesia that permitted licensed CCS operators to allocate a defined portion of domestic storage capacity to imported CO₂, thereby resolving a fundamental legal constraint on cross‑border CCS deployment in Southeast Asia. In combination, these measures establish a clear institutional basis for treating CCS as a regionally shared infrastructure rather than a purely national mitigation option. The corridor is framed as a scalable system linking multiple industrial capture points in Singapore with offshore storage hubs in Indonesia via shared transport infrastructure, reflecting an explicit emphasis on aggregation, cost containment, and regulatory interoperability. Framed at the system level, the corridor model lowers barriers to entry by decoupling participation from full upfront commitment. Emitters can connect incrementally as volumes, policy clarity, and commercial terms evolve, while shared infrastructure provides a legible pathway to scale. This optionality is particularly relevant in
VIEW REFERENCES
Anabelle Valdez anabellevaldezperalta@belltreegroup.co.uk
www.decarbonisationtechnology.com
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