Battery storage can improve the economics and CBAM readiness of Serbian renewable-energy projects by making low-carbon electricity more usable and predictable for exporters. It can help match renewable supply with factory consumption and reduce reliance on high-carbon grid purchases during selected hours. However, storage does not itself reduce embedded emissions or provide a CBAM exemption.
The EU’s definitive CBAM period began in 2026, making carbon costs increasingly relevant for covered exporters. Steel, aluminium and cement producers may gain commercially from a cleaner, more manageable electricity procurement profile, while storage can strengthen energy management without changing the underlying emissions rules.
Electricity records remain central to CBAM claims
The compliance value of storage depends on the applicable CBAM methodology and the evidence chain, not simply on battery ownership. Metering, contractual allocation, guarantees of origin where relevant, and documented and verifiable consumption data remain necessary to support claims about electricity use.
For exporters, the potential business case combines lower exposure to volatile market purchases, better use of renewable output and a more controlled electricity evidence package for carbon reporting. A battery can help determine when renewable power is used, but cannot on its own establish how electricity is treated under CBAM.
Market conditions and the Nocaj project
Serbia’s renewable generation faces growing hourly price and capture risk, while industrial users continue to encounter expensive evening periods. In May 2026, SEEPEX recorded Serbia’s first negative day-ahead electricity price, highlighting changes in hourly prices for generation and consumption.
Solar-plus-storage can shift some renewable output towards factory demand and periods when grid electricity is more expensive. The Nocaj project, cited as an example of this market direction, combines 270 MWp of solar capacity with 72 MWh of storage.
The Nocaj battery is not large enough to make the solar plant fully firm, but it can improve output shaping and reduce imbalance in a bilateral supply arrangement. Its relevance to CBAM would still depend on the applicable methodology and documented electricity evidence, rather than the project’s storage capacity alone.