EU mirror statistics recorded 9.84 TWh of gross electricity imports reported from Serbia in 2025, highlighting carbon-compliance challenges for Western Balkan exporters. Tracking the emissions and generating origin of a particular megawatt-hour can be difficult when electricity crosses several control areas before reaching an EU buyer.
Hungary, Romania, Bulgaria and Croatia were the main destinations for the reported imports. Border figures for Serbia may include domestic generation, bilateral purchases, transit flows and re-exported power, and therefore do not establish where the electricity was generated.
Power from Montenegro, Bosnia and Herzegovina, North Macedonia or Albania can enter wholesale positions and cross-border schedules involving Serbia before delivery to an EU market. Physical flows, contractual sellers and customs origin are separate concepts, so treating all electricity imported from Serbia as output from Serbian generating installations would misrepresent the region’s carbon burden.
Evidence requirements for electricity emissions claims
In a June 2026 assessment, Serbia’s Ministry of Finance estimated electricity-related exposure at around 21.8 million euros for 2026, based on its original baseline. The ministry said regulatory uncertainty may already be affecting cross-border power trading, and warned that assuming 2025 volumes remain unchanged is a weak basis for estimating future liabilities.
The ministry considered potential rule changes that could lower the modeled electricity effect, but said they had not been adopted when it carried out the assessment. The impact of compliance on trading volumes will also depend on market conditions.
Electricity is not covered by the EU Carbon Border Adjustment Mechanism (CBAM) exemption for physical goods below 50 tonnes. It is fully exposed from the start of the definitive regime, subject to detailed accounting rules and specific exemptions.
The EU allows verified actual-emissions methods only under demanding conditions, including direct electricity sourcing, contractual and physical matching, and network access. A portfolio combining hydro, wind, solar, coal and imported power may require a reconciled chain of evidence before it can support an emissions claim for a specific installation. Renewable guarantees of origin serve a separate market function and do not automatically replace the evidence required under CBAM.
Trading costs and export opportunities
For traders buying lower-cost electricity outside the EU for sale in Hungary or Romania, exchange prices are only one element of the calculation. Border congestion, transmission costs, balancing obligations, carbon certificates and the credit required to hold positions can erase otherwise positive trading spreads, particularly when EU solar or wind output pushes domestic prices lower.
Regional renewable developers can base export opportunities on a verifiable evidence chain rather than a general green claim. Installation-level metering, clear asset ownership, power-purchase contracts, hourly schedules, identification of the EU importer and controlled allocation of environmental attributes can help reduce disputes.
The same records may assist bank lenders assessing long-term contracted revenue, although recognition of actual emissions under the legal framework requires case-specific confirmation. The central regional policy question is whether a particular megawatt-hour can be lawfully linked to a particular installation and importing declarant, rather than relying solely on a country’s average carbon intensity.
Elevated by CBAM by Clarion Engineer