Electricity importers seeking to apply actual emissions under the Carbon Border Adjustment Mechanism (CBAM) need to coordinate documentation across power producers, traders and network operators. The required evidence is distributed among several parties, making contractual arrangements an important part of supporting the emissions treatment applied to imported electricity.
Under the operating model used for electricity compliance planning, generators retain installation and generation records, traders or balance-responsible parties manage scheduling, and transmission system operators provide authoritative information on network operations and nominations.
Coordinating Import and Generation Records
For CBAM electricity actual emissions, the EU declarant needs records supporting the quantity attributed to its electricity imports. Verification depends on the availability of underlying evidence; an independent verification engagement cannot reconstruct records that the relevant parties failed to retain.
The electricity importer evidence file therefore needs to connect generation information with the corresponding trading, scheduling and network records. Where hourly nominations are relevant, the parties must establish how nomination data will be supplied, reconciled and corrected when discrepancies arise.
Contractual Allocation of Data Responsibilities
Before trading begins, counterparties should agree on data access, delivery deadlines and procedures for correcting incomplete or inconsistent records. Contracts should specify which party is responsible for missing schedules, revised meter readings and disputed allocations.
Clearly defined TSO and BRP responsibilities can help establish who supplies each part of the documentation and how information moves between the producer, trader, balance-responsible party, network operator and EU declarant.
Physical Delivery and Renewable Attributes
Renewable attributes require separate treatment and control. Transferring such attributes should not automatically be regarded as proof of the physical electricity delivery needed to support the selected CBAM treatment.
For a physical PPA CBAM arrangement, the contractual and operational records must support the relevant claims about electricity delivery and the associated emissions treatment. The existence of a power purchase agreement or a transfer of renewable attributes does not, by itself, replace the supporting evidence required under the applicable framework.
The commercial assessment ultimately depends on whether each participant can provide its assigned records. A competitive electricity price may offer less value if the documentation needed to substantiate the intended emissions treatment cannot be obtained.

