Cement & Clinker · India · 2026

CBAM for Indian cement exporters. Calcination is the bill.

Sixty per cent of cement's carbon comes from chemistry, not fuel — CaCO₃ → CaO + CO₂. Indian blended cements (PPC, PSC) are leaner than EU defaults assume. This guide walks through the CN code map, route-wise emissions, and how a named CBAM expert proves your actual numbers.

Free cement CBAM assessment See type-wise emissions ↓

Rotary cement kiln in an Indian cement plant — burner end glowing, preheater tower behind

On the floor

“Our PPC clinker ratio is genuinely lower than the EU default. We just needed someone to prove it.”

— Cement plant, Rajasthan

60%

Of cement carbon is calcination (not fuel)

0.82–0.95

tCO₂ / t for typical Indian OPC

0.45–0.70

tCO₂ / t for Indian PPC / PSC blends

20–40%

CBAM saving on verified actuals

Grey cement clinker nodules tumbling from a clinker cooler in an Indian cement plant

The calcination problem

Sixty per cent of cement's carbon is chemistry — not fuel.

When limestone (CaCO₃) is heated to ~1,450°C in the kiln, it chemically releases CO₂ to form CaO. This single process emission accounts for ~60% of cement's carbon footprint — and energy efficiency upgrades cannot reduce it. Under CBAM, calcination is reported as direct (Scope 1) emissions.

On top of calcination, Indian kilns burn coal or petcoke. Indian OPC typically lands at 0.82–0.95 tCO₂/t. EU defaults assume more — inflating your buyer's CBAM bill.

“Indian PPC and PSC blends have lower clinker ratios than EU defaults assume. Actuals reverse 20–40% of the markup.”

CN code map

Cement & clinker products covered by CBAM

CN code	Product	Risk	Note
2523 10	Cement clinker	Very High	Most carbon-intensive cement product under CBAM
2523 21	White Portland cement	High	Higher processing = higher emissions
2523 29	Other Portland cement	High	Most common Indian cement export type
2523 30	Aluminous cement	High	Specialty cement, similar emission profile
2523 90	Other hydraulic cements	Moderate	Blended cements — lower clinker ratio

Emission intensity

OPC, PPC, PSC, clinker — four very different bills.

tCO₂ per tonne of product. Savings calculated vs EU default values.

Verified actual vs EU default · tCO₂ per tonne of cement / clinker Your verified actualOverpayment on EU default

Ordinary Portland Cement (OPC)20–35% lower CBAM tax

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Portland Pozzolana Cement (PPC)25–40% lower CBAM tax

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Portland Slag Cement (PSC)30–40% lower CBAM tax

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Clinker (unblended)20–30% lower CBAM tax

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Representative midpoints. Blended cements (PPC, PSC) sit well below the EU default — that red zone vanishes the moment verified actuals are filed.

Cement type	India typical	EU average	EU default	Savings with actuals
Ordinary Portland Cement (OPC)	0.82–0.95	0.60–0.70	1.20	20–35%
Portland Pozzolana Cement (PPC)	0.55–0.70	0.45–0.55	0.90	25–40%
Portland Slag Cement (PSC)	0.45–0.60	0.40–0.50	0.85	30–40%
Clinker (unblended)	0.85–1.05	0.75–0.85	1.35	20–30%

Indian PPC and PSC are leaner than the EU thinks

Blended cements with lower clinker ratios produce 0.45–0.70 tCO₂/t. EU defaults assume 0.85–0.90 tCO₂/t. Verified actuals reverse 25–40% of that markup — on every consignment.

Cluster map

Indian cement regions we serve

Rajasthan

India's largest cement state — UltraTech, JK Cement, Shree Cement

High risk

Andhra Pradesh / Telangana

Major cement belt — Penna, India Cements, ACC

High risk

Madhya Pradesh

Central India hub — Prism, JK Lakshmi

Moderate risk

Tamil Nadu

South India corridor — Dalmia, Chettinad, India Cements

High risk

Gujarat

Port-connected plants — Ambuja, Sanghi

Very High risk

Karnataka

ACC, UltraTech, Zuari — significant EU trade

Moderate risk

How we run your CBAM

Five steps, one named expert.

Share your factory documents. We deliver an EU-ready, declarant-friendly report — pre-verified by a top-3 EU auditor.

A CarbonSettle expert reviewing kiln data with the plant supervisor

01
Process boundary mapping
We map raw meal prep, preheater/precalciner, rotary kiln, clinker cooler and cement grinding — every emission source per CBAM methodology.
02
Data collection from existing documents
Electricity bills, coal/petcoke invoices, limestone composition, clinker-to-cement ratio, monthly production logs. No new systems for your team.
03
Emission calculation (calcination + combustion)
We compute calcination (limestone → CaO + CO₂) and kiln-fuel combustion using India-specific factors, accounting for clinker ratio, alternative fuels, fly ash and slag blending.
04
EU XML at the right CN codes
Your numbers convert to EU CBAM-compliant XML, mapped to the correct CN code per product. First report in under 48 hours.
05
Declarant handoff and verifier replies
We coordinate with your EU buyer's Authorised Declarant and answer every verifier query — your buyer relationship stays protected.

Free CBAM cost estimate

What will CBAM cost your shipments?

Pick your product, drop your number — a named CBAM expert sends your estimate on WhatsApp the same day, in your language. No forms, no software, no obligation.

Same-day reply

Hindi & English

Pre-verified by a top-3 EU auditor

Frequently asked

Cement CBAM, in plain English

Is Indian cement affected by CBAM?

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Yes. Cement and clinker are among the six sectors covered by the EU CBAM. Indian cement exported to the EU faces carbon pricing from January 2026. This includes Portland cement (CN 2523), clinker, and blended cements. Indian cement producers using coal-fired kilns face higher CBAM costs due to both calcination and fuel combustion emissions.

What is calcination and why does it matter for CBAM?

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Calcination is the chemical process where limestone (CaCO₃) is heated to produce calcium oxide (CaO), releasing CO₂ in the process. This process emission accounts for approximately 60% of cement's total carbon footprint and cannot be reduced through energy efficiency alone. Under CBAM, calcination emissions must be reported as direct (Scope 1) emissions.

How can Indian cement exporters reduce their CBAM cost?

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Indian cement plants can reduce CBAM costs by: (1) Using actual emission data instead of EU default values — this alone can save 20-40%. (2) Increasing the use of blended cements (PPC, PSC) which have lower clinker ratios. (3) Using alternative fuels and raw materials. (4) Working with CarbonSettle to accurately calculate and report actual emissions to minimize the carbon tax for their EU buyers.

What CN codes apply to cement under CBAM?

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CBAM covers cement under CN heading 2523, which includes: 2523 10 (cement clinker), 2523 21 (white Portland cement), 2523 29 (other Portland cement), 2523 30 (aluminous cement), and 2523 90 (other hydraulic cements). Each product type has specific emission calculation methodologies under CBAM.