Home › Research › India Climate Finance Taxonomy Industrial Decarbonisation
Cross-Cutting · Green FinanceIndia's Climate Finance Taxonomy: What the May 2025 Draft Means for CFOs and the Real Value of Alignment in Basis Points
India's Department of Economic Affairs published the draft Climate Finance Taxonomy in May 2025. This marks the first official framework classifying which economic activities qualify for green or transition finance in India. Hard to abate sectors including iron, steel, aluminium, and cement are explicitly included. They are not categorized as green activities, but rather as transition activities where low carbon alternatives are not yet commercially viable at scale. This distinction matters enormously for access to capital. Transition labeled instruments unlock a distinct and larger pool of climate aligned investors. They allow industrialists to finance the achievable GEI improvements today, like EAF steelmaking or waste heat recovery, without waiting for immature technologies. Taxonomy alignment reduces the cost of debt by approximately 20 to 80 basis points compared to conventional financing. On a Rs 500 crore project at a 50 basis points reduction, the cumulative interest saving sits around Rs 30 crore. While the Technical Screening Criteria are not yet finalized in the sectoral annexures, the architecture is clear. Your CCTS GEI data is already the most credible evidence base these criteria will rely on.
India's DEA published the Draft Climate Finance Taxonomy in May 2025, following Finance Minister Nirmala Sitharaman's Union Budget FY2024-25 announcement. The taxonomy aims to facilitate approximately USD 250 billion per year in climate aligned finance. As of April 2026, the public consultation is closed, and the final framework with sectoral annexures has not yet been released. These sectoral annexures, which will specify Technical Screening Criteria for each sector, are the critical missing piece that will determine actual investment eligibility. Until they are released, companies should treat the taxonomy as directional guidance.
The taxonomy creates a three tier structure: Tier 1 covers Climate Supportive activities that directly avoid emissions, like renewable energy. Tier 2 covers activities lowering emissions intensity with clear improvement pathways. Finally, the Climate Transition tier is dedicated to hard to abate sectors where zero carbon alternatives are not yet viable. Steel, aluminium, and fertilisers fall primarily in the transition category. This is a highly significant design choice because transition labeled bonds are increasingly accepted by global ESG investors as a legitimate complement to green bonds.
The financing cost saving from taxonomy alignment, known as the greenium, typically ranges from 20 to 80 basis points below equivalent conventional debt pricing. The exact range varies by instrument type, issuer size, and taxonomy credibility. For Indian industrial companies, the achievable greenium is currently in the lower part of the range (around 20 to 40 basis points) because India's taxonomy is new and international familiarity is still developing. This gap will close as CCTS GEI verification provides the kind of auditable, third party data that international investors require.
The CCTS taxonomy alignment is a vital policy linkage for industrial companies. CCTS GEI compliance automatically generates verified, ACVA audited emission intensity data for every covered entity. This is exactly the data foundation that the taxonomy's Technical Screening Criteria will require to verify if an investment hits the necessary absolute thresholds to qualify as transition eligible. A company that has invested in CCTS compliant MRV infrastructure has simultaneously built the evidentiary base for taxonomy aligned bond issuance.
India's green bond market has reached an impressive USD 55.9 billion in cumulative GSS+ debt as of December 2024, placing it fourth among emerging markets. However, the hard to abate industrial sectors have been largely absent because the lack of a taxonomy created greenwashing risks for lenders. The May 2025 draft explicitly includes these sectors and provides the regulatory legitimacy that lenders need to comfortably classify industrial transition loans as taxonomy aligned.
The Three Tier Structure: Where Each Industrial Activity Sits
The taxonomy's classification heavily influences which financing instruments an investment can access. The distinction between Tier 1 (directly green), Tier 2 (reducing emissions intensity), and Transition (hard to abate sectors) determines the investor base, the applicable green bond standard, and the reporting requirements the issuing company must meet. Understanding where specific industrial investments fall in this structure is the absolute prerequisite for any viable green financing strategy.
What Taxonomy Alignment is Actually Worth: The Greenium in Rupees
The greenium, the interest rate saving that taxonomy aligned or labeled green bonds command over equivalent conventional bonds, is the primary financial reason to pursue taxonomy eligibility. It is not just a courtesy discount. It reflects the structural fact that the pool of eligible buyers for taxonomy aligned instruments is vast: ESG mandated funds, sustainable investment strategies, development finance institutions, and sovereign wealth funds all violently compete to buy green labeled paper, which tightens the yield that issuers must offer.
The sustainability linked loan structure in Scenario D is exceptionally relevant right now. It completely bypasses the need for the delayed sectoral annexures to be finalised because it links the interest rate directly to a company's CCTS GEI performance metric, which is already clearly defined by the BEE. Any Indian lender can confidently structure an SLL today using the CCTS GEI target as the Key Performance Indicator. When the company naturally outperforms its GEI target (confirmed by the ACVA verified Form A), the interest rate cleanly falls by the agreed ratchet. When it misses, the rate climbs. This instrument is available immediately, requires no taxonomy annexure, and directly incentivises the behaviour that the CCTS was designed to mandate.
Sector by Sector Eligibility: What Qualifies and What Remains Uncertain
| Investment Activity | Sector | Taxonomy Tier (Expected) | CCTS GEI Data as TSC Evidence | Status Pending Sectoral Annexures |
|---|---|---|---|---|
| Captive solar or open access RE for smelter | Aluminium, Steel, Fertilisers | Tier 1: Climate Supportive | CCTS Scope 2 GEI reduction verifiable by ACVA | High Confidence Eligible RE is unambiguously Tier 1 across all taxonomies globally. |
| Waste Heat Recovery (WHR) power generation | Aluminium, Steel, Cement | Tier 1: Climate Supportive | WHR reduces Scope 2 GEI; verified data confirms reduction | High Confidence Eligible Directly avoids coal captive plant generation. |
| EAF steelmaking (100% scrap, captive RE) | Steel | Tier 1: Climate Supportive | EAF GEI <0.3 tCO₂/t; CCTS verified if covered entity | Strong Candidate India's Green Steel Taxonomy already classifies 5-star green steel similarly. |
| EAF steelmaking (grid electricity, not RE) | Steel | Tier 2: Intensity Reduction | EAF GEI 1.2 to 1.4 tCO₂/t vs BF BOF 2.36 tCO₂/t | Likely Tier 2 Significant GEI improvement vs baseline but not zero carbon. |
| Aluminium smelter 25 to 50% RE blend | Aluminium | Tier 2: Intensity Reduction | CCTS Scope 2 GEI falls heavily; Form A confirms | Likely Tier 2 Significant improvement from baseline based on RE proportion. |
| Green ammonia (electrolysis based) | Fertilisers | Tier 1: Climate Supportive | Green H₂ from RE produces near zero Scope 1 | Strong Candidate Aligns with approved CCTS offset methodologies. |
| N₂O abatement at nitric acid plants | Fertilisers | Tier 2: Intensity Reduction | N₂O reduction verified via CCTS offset methodology | Likely Tier 2 Direct GEI reduction with measurable climate benefit. |
| BF BOF modernisation (efficiency upgrades only) | Steel | Transition | Must show target compliance and improvement pathway | Pending TSC Definition Will require a company level Transition Plan. |
| CCUS pilot plants | Steel, Cement | Transition Innovation | Limited CCTS relevance at pilot scale; offsets may apply | Likely Eligible DST CCUS testbeds with UltraTech and JSW will set the precedent. |
Analysis of India's draft taxonomy explicitly recommends that the BEE's GEI Emission Intensity Targets should directly inform the taxonomy's Technical Screening Criteria. This recommendation, if properly adopted in the sectoral annexures, creates an extremely valuable linkage for industrial companies. It means that every company completing CCTS compliant MRV and submitting an ACVA verified Form A has simultaneously produced the primary evidence base required for taxonomy eligibility verification. While the taxonomy will set absolute thresholds rather than relative targets, the GEI data, verified by an accredited third party, is precisely the performance measurement infrastructure that banks will demand. Companies treating CCTS compliance and green finance eligibility as entirely separate workstreams are duplicating effort they simply need not duplicate. The CCTS Form A provides the massive data foundation. The ACVA provides the rigorous verification. The taxonomy Technical Screening Criterion is simply the finish line. Structure your CCTS compliance programme as if it is your taxonomy documentation programme, because it essentially is.
The Fragmentation Problem and Why it Matters for Industrial Borrowers
India's sustainable finance landscape currently suffers from multiple overlapping definitions of green that create genuine confusion for industrial companies seeking preferential financing. SEBI's green debt guidelines standardize green bond issuance but do not cover hard to abate sectors comprehensively. The RBI's Green Deposits Framework and Priority Sector Lending norms for green activities use entirely separate criteria. India's Green Steel Taxonomy uses a star rating system. The new DEA Climate Finance Taxonomy uses a three tier structure. On top of that, international standards like the ICMA Green Bond Principles and the EU Taxonomy add further, punishing layers of complexity.
For a steel company treasurer trying to issue a transition bond, this fragmentation creates a painful practical problem. Which standard does the bond prospectus cite? Which verifier assesses conformance? Which investor base do they target? The answer today is that most large Indian industrial green bond issuers default to the ICMA Green Bond Principles as the base standard because international investors easily recognize it, supplementing it with a second party opinion from an agency like KPMG or Sustainalytics. The DEA taxonomy, when finalized with sectoral annexures, will add a third layer of national credibility that can be heavily cited alongside ICMA. The ideal future situation requires DEA taxonomy alignment to act as the primary standard with ICMA as the secondary international comparator.
What industrial companies should do right now: Three highly actionable paths are available immediately, before the sectoral annexures are released. First, structure any CCTS compliance investment with a green or transition finance overlay from the outset. You can secure a second party opinion confirming alignment with ICMA principles today, positioning the company to issue a green bond when the local annexures drop. Second, leverage Sustainability Linked Loans right now. They require zero taxonomy annexures because they link directly to official CCTS GEI targets. Any Indian lender can securely structure this today. Third, actively track the DEA taxonomy sectoral annexure development. When published, the classification of specific activities will absolutely determine whether your existing investments are retroactively eligible for green refinancing at much lower rates.
Frequently Asked Questions
What is India's Climate Finance Taxonomy and what is its current status?
India's Department of Economic Affairs published the Draft Framework of the Climate Finance Taxonomy in May 2025. The draft was open for public consultation until June 2025. As of April 2026, the final framework and the all-important sectoral annexures, which specify the Technical Screening Criteria determining investment eligibility, remain unreleased. It classifies activities into Tier 1 (directly green), Tier 2 (reducing emissions intensity), and Climate Transition (where zero carbon alternatives are not yet viable).
What financing cost saving does taxonomy alignment deliver for industrial companies?
Taxonomy aligned green or transition bonds typically price 20 to 80 basis points below equivalent conventional debt. For Indian hard to abate sectors, expect savings roughly around 20 to 40 basis points initially. For perspective, a Rs 500 crore EAF plant financed with a bullet bond at a 30 bps greenium saves about Rs 18 crore over 12 years in interest. Sustainability Linked Loans tied to CCTS targets offer a solid 15 to 25 bps rate improvement and are available immediately.
How exactly does CCTS GEI data connect to taxonomy eligibility?
CCTS compliant, ACVA verified GEI data acts as the absolute primary evidence document that taxonomy eligibility requires. The performance measurement infrastructure you build for CCTS compliance is exactly the data foundation needed to prove to international investors that your project meets the taxonomy's rigorous environmental thresholds.
Sources and Context
- Ongoing Climate Finance Taxonomy Consultations and Working Group Drafts (Projected May 2025 parameters).
- SEBI Business Responsibility and Sustainability Report (BRSR) Core Framework Mandates for Top 1,000 listed firms.
- RBI Report of the Expert Committee on Sustainable Finance and Green Deposit frameworks.
- CETEx / LSE Working papers detailing the intersection of Indian transition finance and hard to abate sectors.
- Climate Policy Initiative tracking USD 55.9 billion in GSS+ debt across the India Climate Finance Landscape.
- International Capital Market Association (ICMA) frameworks covering Green Bond and Transition Bond Principles.