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INTERNALIZING CARBON CREDITS: The New Frontier in Biogas Financial Modeling and Asset Valuation

In the rapidly evolving landscape of Southeast Asian energy infrastructure, the "Green Gas" revolution is no longer just about displacing fossil fuels. It is about the sophisticated monetization of avoided emissions. As we move through 2026, the integration of Carbon Credits—specifically within the Indonesian SPE-GRK (Sistem Registrasi Nasional Pengendalian Perubahan Iklim) framework—has transitioned from a "bonus" line item to a core pillar of bankable financial models.

By Ahmad Fakar | PT Nurin Inti Global

February 4, 2026

In the rapidly evolving landscape of Southeast Asian energy infrastructure, the "Green Gas" revolution is no longer just about displacing fossil fuels. It is about the sophisticated monetization of avoided emissions. As we move through 2026, the integration of Carbon Credits—specifically within the Indonesian SPE-GRK (Sistem Registrasi Nasional Pengendalian Perubahan Iklim) framework—has transitioned from a "bonus" line item to a core pillar of bankable financial models.

For project developers and institutional investors alike, understanding how to internalize these credits into a 25-year Project Finance structure is the difference between a standard renewable energy project and a high-yield, carbon-negative industrial asset.


1. The Shift from Voluntary to Regulated Markets

Historically, biogas projects relied on the Voluntary Carbon Market (VCM). However, with Indonesia’s aggressive stance on its Enhanced National Determined Contributions (E-NDC), we are seeing a shift toward regulated, high-integrity credits. In our Yogyakarta Integrated Green Gas Refinery, we have moved beyond simple carbon accounting. We are internalizing the carbon value by treating "Carbon Avoidance" as a physical commodity, much like the Nitrogen or Oxygen we produce.

The financial implication is profound. By shifting the perspective of carbon from an ESG metric to a revenue stream, we enhance the Debt Service Coverage Ratio (DSCR), allowing for more favorable leverage terms with local lenders like Bank Mandiri and international private equity firms.


2. Quantifying the Biogenic Advantage

The Yogyakarta project processes 280 Tons Per Day (TPD) of agricultural residues. Unlike landfill gas projects, which merely capture methane that would have been emitted anyway, an integrated biorefinery creates a "Circular Alpha."

Methane Avoidance (The Primary Driver)

When rice straw and corn stalks decompose anaerobically in open fields, they release methane CH4), which has a Global Warming Potential (GWP) significantly higher than CO2. By diverting this feedstock into our anaerobic digesters, we prevent these emissions at the source. In our current financial model, this methane avoidance accounts for a significant portion of the USD 2.2 Million annual carbon revenue.

Biogenic CO2 Capture

One of the most undervalued aspects of biogas is the CO2 produced during the upgrading process. In our facility, this is not vented. It is purified to Food-Grade standards (ISBT). From a carbon accounting standpoint, this is "biogenic" CO2. When we sell this to the beverage industry, we are displacing fossil-fuel-derived CO2 (often a byproduct of ammonia production). This "double-counting avoidance" is a premium feature that high-tier investors like Apollo and Ares look for in a de-risked asset.


3. Financial Engineering: The 23.5% IRR Logic

The question often asked by analysts is: “How does a USD 35 Million CAPEX project maintain a 23.5% IRR in a volatile market?” The answer lies in Multi-Stream Revenue Diversification.

Traditionally, biogas projects failed because they were "single-commodity" bets (usually just electricity). Our model internalizes carbon to act as a hedge. When industrial gas prices fluctuate, carbon credit prices—driven by global net-zero mandates—tend to remain uncorrelated or even counter-cyclical.

The Impact on the Capital Stack

By internalizing a verified carbon stream of USD 2.2M per year:

  1. Lower Cost of Debt: We can negotiate "Sustainability-Linked Loans" where the interest rate drops as we hit specific carbon sequestration milestones.
  2. Extended Payback Protection: In the event of a temporary dip in organic fertilizer or N2 sales, the carbon revenue acts as a "floor," ensuring that the project remains cash-flow positive even at 70% industrial capacity.

4. Digital MRV: Solving the Integrity Gap

The biggest hurdle in carbon monetization is the "Integrity Gap." Investors are rightfully wary of "greenwashing." This is why the Yogyakarta project has integrated a Digital Monitoring, Reporting, and Verification (D-MRV) system from day one.

Instead of manual audits performed once a year, our facility uses IoT sensors at every critical node:

  • Feedstock Intake: Measuring the exact tonnage of biomass diverted.
  • Gas Upgrading: Continuous monitoring of methane purity and CO2 capture rates.
  • Energy Output: Tracking the 5.5 MW CHP efficiency.

This data is uploaded to a tamper-proof ledger. For an investor like GIP (Global Infrastructure Partners), this provides "Audit-Ready" ESG data. It removes the friction of verifying credits, making them "Liquid Gold" that can be traded or retired with absolute transparency.


5. Beyond Gas: The Organic Fertilizer Synergy

Our latest model update includes Premium Organic Fertilizer (50 TPD). While this is a physical product, it is also a carbon story. By returning nutrients to the soil, we promote soil organic carbon (SOC) sequestration.

In the future, we anticipate that soil carbon sequestration will become a tradable credit. By producing high-quality digestate, our project is "future-proofed" to capture this next wave of environmental credits, further boosting the long-term terminal value of the asset.


6. The Indonesian Regulatory Tailwinds

Indonesia is currently one of the most exciting markets for carbon-linked infrastructure. The implementation of the Carbon Tax and the development of the Bursa Karbon Indonesia (IDXCarbon) provide a clear domestic exit strategy for our credits.

For international firms like Air Liquide (ALIAD), this project represents more than just a gas plant; it is a strategic laboratory for decentralized, carbon-negative production in an emerging market. The Yogyakarta project is strategically positioned to be a pioneer in the Indonesian carbon exchange, providing high-liquidity credits to domestic polluters who are mandated to offset their emissions.


7. Conclusion: The Investment Thesis

The internalization of carbon credits is not a financial gimmick; it is a fundamental re-engineering of industrial value. In the Yogyakarta Integrated Green Gas Refinery, carbon is the "invisible product" that makes the visible products (Nitrogen, Oxygen, CO2, and Fertilizer) more competitive.

We are displacing the old ASU (Air Separation Unit) model—which is power-hungry and carbon-intensive—with a decentralized, waste-to-wealth model that pays for itself through its environmental benefits. With a USD 35M CAPEX and a USD 10.5M EBITDA, the numbers speak for themselves. But it is the carbon story that ensures those numbers remain stable for the next 25 years.

As we conclude our final investment rounds and prepare for the 24-month construction phase, we invite strategic partners to look past the steel and pipes and see the digital, carbon-negative infrastructure of the future.


Strategic Highlights for the Virtual Data Room (VDR):

  • Asset Class: Industrial Green Infrastructure.
  • Location: Yogyakarta, Indonesia.
  • Feedstock: 280 TPD Agricultural Waste (Secured FSA).
  • Technology: AD + PSA + 5.5 MW CHP (60% TKDN).
  • Financials: 23.5% IRR | USD 54.5M NPV | 3.9 Years Payback.
  • Carbon Impact: Est. 150,000+ tCO2e avoided annually.

CONTACT:

Ahmad Fakar

Managing Director

PT. Nurin Inti Global

📧 afakar@gmail.com

Yogyakarta, Indonesia

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