Indonesia Reopens Carbon Market to Foreign Buyers as New Rules Kick In

Jakarta, 15 October 2025 — Indonesia has reactivated its domestic carbon credit market to foreign participants, a landmark move aiming to revive investor interest, deepen climate finance integration, and position Jakarta as a more prominent player in global carbon markets.

Under wider reforms, Indonesia’s IDXCarbon exchange is now allowing international buyers to trade Authorized Carbon Credits (ACCs) from select energy-sector projects. The shift ends a multi-year moratorium on cross-border carbon credit exports that had constrained market liquidity and dampened foreign capital flows.

The opening follows announcements earlier this year and aligns with global carbon trading rules adopted at recent climate summits. The new regulations are expected to inject much-needed demand and transparency into Indonesia’s underutilised carbon market.

What’s New: Rules, Access & Project Scope

The new rules expand eligibility of credits generated through energy efficiency upgrades, renewables, and selected emission abatement in power plants. By granting Letters of Authorization (LoAs), Indonesia gives legal cover for credits to be bought by overseas buyers through the domestic marketplace.

Some key features of the scheme include:

• Foreign participation: Approved international buyers can bid for credits on IDXCarbon, making Indonesia one of the few Southeast Asian nations to formally open its domestic carbon market to global capital.
• Auction mechanisms: The exchange will run structured auctions for domestic carbon credits, with Indonesia’s state utility PLN (Perusahaan Listrik Negara) among the project owners supplying credits.
• Sustainability standards & premiums: Credits stemming from projects meeting the Hydropower Sustainability Standard (HSS) or other certifications may command premiums, rewarding higher quality and verified carbon reductions.
• Regulatory oversight & tracking: Indonesia is reinforcing oversight through its national registry (SRN-PP), certification alignments (e.g. Gold Standard, Verra), and stricter rules to avoid double counting.

This liberalisation also complements Indonesia’s broader climate strategy, including the Carbon Border Adjustment Mechanism (CBAM) implications, and its ambition to attract climate finance for clean energy transition.

Market Reaction & Potential Scale

The opening drew cautious optimism from developers, investors, and carbon market watchers. After years of limited trading, the new demand could help revitalize Indonesia’s carbon ecosystem, bridge the pricing gap between domestic and international markets, and catalyse investment into mitigation projects.

Indonesia previously saw carbon markets stall after introducing restrictions on exports in 2022, aimed at protecting domestic climate integrity. The relaunch now creates a bridge for global capital to flow into priority projects within Indonesia’s boundaries.

Analysts expect trading volumes to rise gradually, with early flows concentrated among large energy and utility credits. The extent of interest from foreign institutional buyers will influence how robust the relaunch becomes.

Risks, Challenges & Considerations

Opening a carbon market to global players is complex, and Indonesia faces several hurdles:

• Quality and credibility: Some energy-based credits have been criticised for lacking additionality or rigorous verification. Ensuring that credits meet high integrity standards will be key to attracting serious buyers.
• Double counting & accounting clarity: Under the Paris Agreement’s Article 6 rules, proper Corresponding Adjustments must be applied to ensure credits traded internationally do not get used twice. Indonesia’s regime must align with these mechanisms.
• Registry & tracking robustness: The national registry and offset tracking systems must reliably document ownership, project validation, audit trails, and transfers.
• Volatility and pricing risk: Sudden inflows or speculative demand could create price swings, especially in early phases when supply is limited.
• Project expansion & scope: Initially, forestry or land-use credits are not yet permitted, limiting the supply side from nature-based projects, a historically large source of Indonesian carbon credits.

Still, the reforms may encourage developers to scale higher-quality carbon projects and align more closely with global standards.

Regional & Asian Carbon Market Impacts

From an Asian perspective, Indonesia’s move is significant:

• Benchmarking for regional peers: Malaysia, Thailand, the Philippines, Vietnam and other Southeast Asian nations will watch closely. Indonesia’s experience may guide how other carbon markets open to international capital.
• Flow of climate capital: Opening Indonesia could redirect climate finance, private equity, climate funds, ESG portfolios, to projects in Southeast Asia, particularly in markets with rich mitigation potential.
• Supply diversification: Historically, many carbon buyers looked to forest-based credits in Indonesia. By enabling energy-sector credits, the region’s supply mix becomes more diversified.
• Cross-border cooperation & recognition: Indonesia’s acceptance of international buyers sets the stage for mutual recognition or linkages with other carbon markets in ASEAN, making potential for a cross-border carbon trading architecture.

What to Watch Next

1. First auctions & price discovery
   The early auctions will establish benchmark pricing for Indonesian credits. How much premium high-quality and sustainable projects fetch will set tone.
2. Foreign investor participation
   Which international buyers participate, corporates, institutional climate funds, sovereign actors — and at what scale.
3. Implementation of forestry credits
   Indonesia has indicated plans to expand into nature-based emissions reductions (REDD+) under forest and land use sectors. The timeline and regulatory clarity will matter.
4. Corresponding Adjustments / Article 6 alignment
   How Indonesia structures its adjustments to prevent double counting and meet international carbon accounting standards.
5. Market integrity & enforcement
   Monitoring, auditing, and enforcement mechanisms to ensure that credits sold reflect real, verifiable reductions.

If Indonesia succeeds, it could rejuvenate its carbon market, attract international capital, and reassert its role in shaping Southeast Asia’s carbon finance landscape.