How CBAM Affects Turkish Exporters to the EU

A steel mill in Iskenderun or an aluminium extruder near Izmir can have flawless export paperwork and still watch its margin thin at the European border, because of a rule that does not tax the product at all. It puts a price on the carbon embedded in it. That rule is the EU Carbon Border Adjustment Mechanism, known as CBAM, and for Turkish manufacturers selling into Europe it has moved from an environmental talking point to a commercial condition of doing business.

Turkey ships a large part of its exports to the European Union, and the goods CBAM came for first, steel, aluminium, cement and fertiliser, are precisely the ones where Turkish producers win on price. The moment a buyer in Germany or Italy has to account for the emissions in your goods, that pressure travels back down the chain to you. Here is what is actually changing, when the dates fall, and how to take control of the one part that is genuinely in your hands.

A carbon price that lands at the EU border

CBAM mirrors, on imports, the carbon cost that an EU producer already carries under the EU Emissions Trading System. The aim is to close off carbon leakage, where production drifts to countries with weaker climate rules and returns as cheaper imports. So an EU importer of CBAM goods will pay for the greenhouse gases embedded in what crosses the border, priced against the European carbon market rather than against any tariff schedule.

On paper the obligation sits with the EU importer, not with you as the exporter. That distinction is thinner than it looks. No importer can reconstruct your plant's emissions on their own, so the substantive work, quantifying and substantiating the embedded emissions of each product, runs straight up the supply chain to the producer. CBAM becomes your concern the instant a European customer asks for your emission figures, and they are now asking as a matter of routine.

Transitional and definitive: the timeline you are working against

The mechanism runs in two stages. The transitional phase opened on 1 October 2023 as a reporting-only regime. Under it, EU importers file quarterly CBAM reports declaring the embedded emissions of what they imported, with no money changing hands. The first report covered the last quarter of 2023 and fell due at the end of January 2024. The purpose of this stage was to let companies and authorities build the data and the habits before any charge applied.

The definitive phase opened on 1 January 2026, and this is where the mechanism grows financial teeth. Authorised importers must now hold and surrender CBAM certificates matching the embedded emissions of their imports, with the certificate price tracking EU carbon prices. A simplification package agreed before the definitive start added a mass-based de minimis threshold that takes many genuinely small importers out of scope while still capturing the large majority of embedded emissions. The precise certificate-purchase schedule and threshold figures are set by the scheme owner and have already been revised once, so check the current text rather than an early summary.

The legal charge falls on the European importer. The data burden, and therefore the competitive risk, falls on the exporter who supplies them.

Why the pressure builds rather than holds steady

CBAM does not arrive at full strength and stay there. It is being phased in as the European Union phases out the free emission allowances its own heavy industry has long received under the Emissions Trading System. As those free allowances shrink year by year, the share of embedded emissions an importer has to pay for climbs in step. A charge that feels modest at the start of the definitive phase is designed to deepen over the rest of the decade.

For a Turkish exporter that shifts the planning horizon. The question is not only what your emissions cost a buyer this year, but what they will cost once the free-allowance cushion disappears and the full carbon price bites. Producers who can show a credible path to lower embedded emissions, backed by measured data, defend their place on European buyers' lists far more easily than those presenting a single static number. Waiting until a contract is at risk turns a manageable measurement project into an emergency, usually at a worse price and on someone else's timetable.

The product groups in scope today

CBAM did not arrive economy-wide. It started with the most carbon-intensive, trade-exposed goods: iron and steel, aluminium, cement, fertilisers, electricity and hydrogen. For Turkey that selection is pointed, since steel and aluminium alone make up a heavy slice of what the country sends to the EU, with cement and fertiliser producers close behind.

Scope is drawn at the level of specific customs codes, not broad sector names, so two products from the same factory can land on opposite sides of the boundary. More processed and downstream goods are widely expected to be drawn in as the mechanism expands. The sensible move is to check your own export codes against the current CBAM goods list, rather than assume your category is automatically in or out.

What you must measure, report, and be able to prove

The core of CBAM is embedded emissions: the greenhouse gases released in making your product, expressed per tonne of output. You need the direct emissions from your own processes and, for several of the product groups, the indirect emissions from the electricity you consumed as well. This has to be produced at installation and product level, through a defined monitoring methodology, not estimated after the fact.

Early in the transition, importers could fall back on default values published by the Commission when real supplier data was missing. That tolerance has narrowed. Actual, primary data from the producer is now the expectation, and default values are deliberately set high enough to discourage relying on them. An exporter who can hand over clean, methodologically sound, product-level figures becomes the easy supplier to keep. One who cannot pushes the importer toward conservative defaults that inflate the carbon cost of the goods, a quiet but real loss of competitiveness. Building that figure draws on the same discipline as a product-level carbon footprint under ISO 14067, which quantifies emissions per unit in a way that maps cleanly onto what CBAM requests.

In practice this becomes a data-collection routine, not a one-time calculation. European buyers increasingly write emissions-data clauses into purchase contracts, asking for figures per delivery or per production batch, so the responsibility usually lands on the quality or sustainability function rather than on a single annual report. The producers who cope best assign clear ownership of the numbers, fix their calculation boundaries early, and keep the underlying activity records ready for inspection. The earlier this routine is in place, the cheaper each future buyer request becomes.

Turned into a sequence, the work an exporter actually has to do looks like this.

Verified data is the part you control

You cannot change the fact that Europe now has a carbon border. You can change whether your emissions data is trusted on sight. CBAM expects embedded-emission figures to rest on verification carried out to recognised greenhouse gas principles, and an importer weighing two suppliers will treat independently verified numbers very differently from a self-declared spreadsheet. This is where third-party greenhouse gas verification earns its keep: having your inventory checked through ISO 14064 greenhouse gas verification gives your figures the independent assurance a European buyer, and ultimately a CBAM declarant, can rely on without re-auditing you. It also matters who does the checking: independent, accredited verification carries weight with a buyer that an internal sign-off never will.

Verification also forces the unglamorous groundwork that CBAM rewards: consistent monitoring boundaries, traceable activity data, documented calculation methods, and the same numbers quarter after quarter. Producers who treat each buyer request as a fresh scramble pay more, and are believed less, than those running a steady monitoring and verification cycle they can repeat without drama.

Getting ahead while the definitive phase settles

The exporters who will feel CBAM least are the ones who started measuring before anyone made them. There is a second reason to move early: Turkey is developing its own carbon pricing, and a price paid at home may in time be set against part of the EU charge, which only helps if your emissions are already audited and documented rather than assembled under deadline pressure.

If your goods feed the steel, aluminium, cement or fertiliser chains into Europe, the practical first step is to get your embedded emissions quantified and independently verified, so the data is ready the day a buyer asks rather than the week they threaten to switch. Eurocert supports manufacturers with both greenhouse gas verification to ISO 14064 and product-level carbon footprint certification to ISO 14067, so your CBAM reporting rests on figures a European customer will accept the first time.