Aluminium rolling, extrusion and fabrication companies supplying European customers could face expanded reporting and market-access requirements from 2028 if the EU Carbon Border Adjustment Mechanism (CBAM) is extended to downstream activities. Preparations now may improve data readiness without treating the proposed scope as already adopted law.
Commission proposal and legislative uncertainty for downstream coverage
The European Commission’s proposal, along with negotiating positions from the Council of the EU and the European Parliament, supports extending CBAM coverage to selected steel- and aluminium-intensive downstream goods. The institutions, however, have different proposed product lists, leaving the final scope under negotiation.
For downstream manufacturers, the focus is on improving material traceability, energy records and supplier data while keeping flexibility for future compliance arrangements. Evidence systems built in advance may help companies respond if reporting becomes more granular, without assuming that the 2028 expansion is settled legislation.
CBAM guidance updates published in 2026
The European Commission issued definitive-period sector guidance on 14 August 2026, including dedicated guidance covering electricity, iron and steel, and aluminium. It also refreshed its general CBAM questions and answers on 15 October 2026.
The Commission materials are intended to explain implementation but do not replace the binding regulation and implementing acts. Companies therefore continue to rely on the legal texts for the formal requirements.
Electricity procurement and CBAM treatment for Annex II goods
For iron-and-steel and aluminium goods currently listed in Annex II, the existing CBAM calculation accounts for direct emissions. Renewable electricity procurement can provide operating, customer, financing and decarbonisation benefits without automatically reducing current CBAM certificate liability through purchased-electricity emissions.
For rolling, extrusion and fabrication businesses, renewable electricity may help lower production carbon intensity and support customer specifications. Electricity sourcing claims should be linked to actual production allocation and separately controlled environmental-attribute records.
Contract design for renewable power price and profile risks
Long-term renewable electricity supply can offer industrial buyers a hedge against wholesale-market volatility. Stable industrial demand can also help generators manage exposure to negative-price periods and other market fluctuations.
The value for each party depends on how contracts allocate generation profiles, balancing responsibilities and associated costs. Manufacturers with smaller or more variable electricity loads may use aggregation across multiple sites or customers to improve alignment between renewable generation and industrial demand.
In such arrangements, source allocation and ownership of environmental attributes must remain controlled at the level required for each claim. This approach is intended to support consistent treatment of environmental attributes alongside production allocation.
Financing assessments tied to carbon-data readiness
Banks financing downstream exporters may increasingly consider carbon-data readiness alongside electricity procurement strategy in credit assessments. A key question is whether a manufacturer can continue serving EU customers if reporting becomes more detailed and carbon costs become more visible.
Companies are expected to distinguish electricity-cost competitiveness from product-carbon compliance requirements. Investments should be assessed against specific operational, commercial or regulatory outcomes they are designed to deliver.
Preparing systems ahead of any final 2028 scope decision
The proposed downstream expansion from 2028 remains subject to the legislative process. While both the Council and Parliament support a broader reach, their differing product lists still need reconciliation before final scope details are established.
For downstream aluminium producers, uncertainty is described as a reason to build flexible systems rather than delay preparation. The systems referenced include material traceability, electricity records and emissions evidence aligned with future reporting needs.

