Calculating Embedded Emissions: A Guide for Indian Manufacturers

Key Takeaways

• Formula: Specific Embedded Emissions ($SEE$) = (Direct Emissions + Indirect Emissions) / Activity Level.
• Boundaries: Define precise system boundaries. Exclude non-production related energy (e.g., office ACs) if possible, but include all auxiliary production units.
• Data Sources: Use actual meter readings for electricity and fuel. Estimates are no longer accepted.

Introduction

For Indian manufacturers of steel, aluminum, fertilizer, and cement, the "black box" of production emissions must now be transparent. Under EU CBAM, you don't just export a product; you export its carbon history. This guide details the methodology for calculating "Embedded Emissions" in accordance with EU Regulation 2023/956.

The Core Calculation Steps

Step 1: Define System Boundaries

Identify all production processes that contribute to the goods.

• Example (Integrated Steel Plant): Coke Ovens, Sinter Plant, Blast Furnace, Oxygen Furnace, Casting, Rolling.
• Auxiliaries: Water treatment plants, captive power plants, and internal logistics (forklifts, cranes) must be included if they service the production line.

Step 2: Calculate Direct Emissions (Scope 1)

Sum of all GHG emissions from sources owned or controlled by the installation.

• Fuel Combustion: Coal, Furnace Oil, Natural Gas.
  • $\text{Emissions} = \text{Fuel Consumed} \times \text{Net Calorific Value (NCV)} \times \text{Emission Factor}$.
• Process Emissions: CO2 released from chemical reactions (e.g., reduction of Iron Ore, calcination of Limestone).
  • $\text{Emissions} = \text{Input Material Weight} \times \text{Carbon Content} \times (44/12)$.

Step 3: Calculate Indirect Emissions (Scope 2)

Emissions associated with the generation of electricity consumed.

• Grid Electricity: Use the regional grid emission factor (India's grid is high carbon: ~0.7-0.9 tCO2/MWh).
• Captive Power (Renewable): If you possess a Solar/Wind plant with a direct line, effective emission factor is 0.
• PPA: Power Purchase Agreements must meet strict EU criteria to claim zero emissions.

Step 4: Determine Activity Level

Total net production of the specific good during the reporting period.

• Rule: Qualified good = Salable good. Reject/scrap produced internally and re-melted is not the final activity level.

2025-2026 Regulatory Impact for India

• Verification: From 2026, an EU-accredited verifier will physically visit your Indian factory (or verify remotely via detailed audit trails) to confirm these numbers match your invoices and meter logs.
• Penalty: Falsifying this data is fraud under EU law and can lead to a permanent ban of your goods.