Iron and steel carbon calculator for CBAM and CCTS

Send your number, or pay on theirs.

Your EU buyer pays CBAM on your number. Send nothing, and they pay on 4.75 a tonne.

What do you run?
Price the defaultBook a 20-minute call
CBAM SUPPLIER COMMUNICATIONWelded tubes, CN 7306 30 · calendar year 2026
Ref.
CBAM-SC-0087
Shipped in 2026
1,200 t
Precursor
HR coil, 1.05 t a tonne at 2.45
Own process
0.0475 t CO₂e a tonne
Route
BF-BOF coil, ERW mill
Embedded
2.62 t CO₂e/t
Default
4.752 t CO₂e/t
Buyer saves
€192,596
Actual, not default

Example. Illustrative plant and shipment.

The short answer

How much does EU CBAM cost on Indian steel?

The EU importer pays (embedded emissions minus the benchmark share) × the certificate price. With no supplier data, India’s 2026 default for hot-rolled steel is 4.708 t CO2e a tonne. A typical BF-BOF actual of 2.34 cuts the charge from about €254 to €76 a tonne.

Last verified 3 October 2026. Sources at the end.

One data choice, real money.

Your importer pays CBAM on whatever number you give them. Here’s what each choice costs. Flip the switches.

Why now

Who’s asking, and by when.

30 Sep 2027

First CBAM declaration

Importers declare 2026 imports, your steel included.

1 Feb 2027

Certificates on sale

Buyers start paying, so they’ll want your number before then.

1 Jan 2027

UK CBAM starts

Steel to the UK carries the same question.

255 units

Steel CCTS targets

Draft targets for 2026-27 against a 2023-24 baseline.

The EU’s default for Indian hot-rolled steel: 4.28 t a tonne.
India’s average mill emits about 2.54.

The default is from Implementing Regulation (EU) 2025/2621, India, CN 7208, before the mark-up. India’s 2.54 t CO2 per tonne of crude steel (2023-24) is from the Ministry of Steel. The world average is 1.92 (worldsteel).

Sound familiar?

Exporters to the EU and UK

My buyer in Germany wants an installation number and a verifier by next quarter, or they’ll take the default and cut my price.

Steel plants on the CCTS list

I need to know if we’re over or under target before March.

Fastener, wire and forging makers

The OEM’s portal wants CO2 per part by the 15th. My wire rod supplier won’t send their number.

Paraphrased from our conversations with steel plants, exporters and processors.

Free CBAM calculator for steel

What your EU buyer pays a tonne.

Pick the product, the year and your route. See the default charge, your charge, and the green steel band.

0

How this is worked out
  • India default values and mark-ups (10% in 2026, 20% in 2027, 30% from 2028): Implementing Regulation (EU) 2025/2621.
  • Benchmarks: BF-BOF 1.370, DRI 0.481, scrap EAF 0.072 t CO2e a tonne (IR (EU) 2025/2620). Tubes and bolts use 1.370 as a proxy.
  • CBAM factor: 97.5% in 2026, 95% in 2027, 90% in 2028 (Directive (EU) 2023/959).
  • Certificate price: €75.28, Q2 2026 (European Commission).
  • Green steel band: direct plus grid power at 0.675 t CO2 per MWh (CEA v22), against 1.6, 2.0 and 2.2 (Green Steel Taxonomy).
  • Simplified: no cross-sector correction, one benchmark per route. Illustrative, not a declaration.

Answer the importer before 1 February.

Your EU importer’s CBAM request. Same question, two answers.

CBAM_Supplier_Request_CY2026.xlsxSheet: Emissions · CN 7306 30
Request 3 For CN 7306 30 goods delivered in 2026, give the installation, production route, specific direct embedded emissions (t CO2e/t), precursor emissions with their source, and the verifier’s statement. Without them we apply default values and adjust the contract price.

Wording modelled on EU importer CBAM requests.

  • Keep the price. Send verifier-ready data before the buyer applies the default.
  • Win the order. Quote with an embedded emissions number your competitor can’t match.
Straight answer: actual values need an accredited verifier, and we don’t do the verification. We get your data ready for one. Steel CCTS targets are still a draft as far as we can find.
How it works

One plant dataset, three answers.

Carbon-OS reads your meters, fuel bills and production. The same data gives your CCTS intensity, your CBAM numbers per CN code, and your product footprints.

  1. Connect

    Meters, fuel bills, production records. SAP or Excel.

  2. Map

    Each regime’s boundary: plant, CN code, product.

  3. Calculate

    CCTS intensity, CBAM embedded emissions, CO2 per part.

  4. Send

    BEE forms, importer templates, OEM portals, ready for a verifier.

Method and boundary

CCTS
t CO2e per tonne of equivalent product, plant boundary, 2023-24 baseline, per the GEI Target Rules and BEE’s procedure.
EU CBAM
Direct embedded emissions per CN code, precursors added. Indirect emissions reported, not charged for steel.
UK CBAM
The same activity data, mapped to UK rules from 2027.
Green steel
Scope 1, 2 and limited Scope 3 per tonne of finished steel, per India’s taxonomy.
Products
Cradle to gate per part or tonne, ISO 14067 method. Scenario estimates are labelled.
Company
GHG Protocol Scopes 1, 2 and 3. BRSR Core.
Factors
More than a million emission factors, including CEA, IPCC 2006 and EU default values.
From the field

What steel teams ask us first.

Export managers

“What will my buyer pay if I send nothing?”

The answer is the default, with a mark-up that grows every year. The calculator above prices it for your product.

Plant energy heads

“Are we over or under?”

For CCTS, the answer lives in the fourth decimal. Carbon-OS tracks it monthly, so March isn’t a surprise.

Glossary

Eight terms, in plain words.

GEI
Tonnes of CO2e per tonne of product. CCTS targets use it.
Carbon credit certificate
One tonne of CO2e below target, issued by BEE.
Equivalent product
CCTS turns a mixed product slate into one tonnage.
Embedded emissions
The CO2 released making a good, including its precursors.
Default value
The EU’s stand-in number when you send no data, with a mark-up.
Benchmark
The free-allocation figure the EU deducts before charging.
CBAM factor
The share of the benchmark still deducted. It falls every year.
Precursor
An input like HR coil for pipes. Its emissions travel with it.
Where are you today?

Three questions. Your first steps.

See where we'd start with you.

What reaches you first?

Your main route?

Where does plant data live?

Questions steel teams ask.

Are CCTS targets for steel final?

Not as far as we can find. MoEFCC issued draft targets for 255 iron and steel units on 26 June 2026. 2026-27 is the first compliance year.

How are CCTS credits counted for a steel plant?

Credits = (target intensity minus achieved intensity) × equivalent product. One credit is one tonne of CO2e.

What if a steel plant misses its CCTS target?

It buys credits to cover the gap. If it doesn’t, it pays environmental compensation at twice the average credit price.

When is the first EU CBAM declaration?

30 September 2027, for goods imported in 2026. Importers can buy certificates from 1 February 2027.

Who pays CBAM on Indian steel?

The EU importer. The cost lands in your price, so they ask you for data.

What is India’s CBAM default for hot-rolled coil?

4.280 t CO2e a tonne for CN 7208. With the mark-up that’s 4.708 in 2026, 5.136 in 2027 and 5.564 from 2028.

Is there a small-importer exemption?

Yes. Importers bringing in under 50 tonnes of CBAM goods a year are exempt. Most steel buyers are well above that.

Are fasteners and pipes covered by CBAM?

Yes. Screws, bolts and nuts (CN 7318) and tubes (CN 7304 to 7306) are in scope today.

Does electricity count for steel CBAM?

The charge is on direct embedded emissions. Steel default values show no indirect figure. You still report your electricity.

When does UK CBAM start?

1 January 2027. It’s set by the Finance Act 2026, and its rate regulations were made on 13 July 2026.

What counts as green steel in India?

Below 2.2 t CO2e per tonne of finished steel. Five-star is below 1.6.

Can one dataset serve CCTS and CBAM?

Yes. Fuel, power and production records are the same. CCTS works per plant, CBAM per CN code with precursors.

Bring one buyer request. We’ll price the default for you.

Twenty minutes. Your product, your route, your year. You leave with the number your buyer will pay on.

Book the 20-minute callor write to carbon-os@climes.io

Sources

  1. Implementing Regulation (EU) 2025/2621: India default values and mark-ups
  2. Implementing Regulation (EU) 2025/2620: benchmarks
  3. Regulation (EU) 2025/2083: 30 September 2027 declaration, 1 February 2027 certificates, 50 t threshold
  4. Directive (EU) 2023/959: CBAM factor schedule
  5. European Commission, CBAM certificate price: €75.28, Q2 2026
  6. UK SI 2026/809: UK CBAM from 1 January 2027
  7. MoEFCC draft GEI targets, iron and steel, G.S.R. 517(E), 26 June 2026: 255 units, 2023-24 baseline
  8. PIB, Green Steel Taxonomy: 2.2, 2.0 and 1.6 thresholds
  9. worldsteel Sustainability Indicators 2025: route intensities, 1.92 world average
  10. Ministry of Steel, Rajya Sabha reply: India average 2.54 t CO2 per tonne of crude steel
  11. CEEW: coal DRI 2.7 to 3.1
  12. CEA CO2 Baseline Database, version 22: grid 0.675 t CO2 per MWh

Facts on this page last verified 3 October 2026. Interactive figures are illustrative unless a source is named.

Price the CBAM defaultBook a call