Battery storage can improve the economics and energy-management side of Serbian renewable-energy projects by making low-carbon electricity more usable and predictable for exporters. The EU Carbon Border Adjustment Mechanism (CBAM) definitive period began in 2026, increasing the relevance of carbon costs for covered exporters.
Storage can help align renewable electricity use with factory consumption and reduce reliance on high-carbon grid purchases during selected hours. Steel, aluminium and cement exporters may benefit commercially from a cleaner, more manageable procurement profile, but a battery does not itself reduce embedded emissions or create a CBAM exemption.
Electricity evidence remains necessary
Owning storage alone does not establish the CBAM treatment of electricity. Its compliance value depends on the applicable methodology and documented evidence, including metering, contractual allocation, guarantees of origin where relevant and verifiable consumption data.
For exporters, the business case combines lower exposure to volatile market purchases, better capture of renewable output and a more controlled electricity evidence package for carbon reporting. Storage can strengthen energy management for CBAM readiness, but it does not replace the emissions rules or the evidence chain.
Hourly prices shape the market case
Serbia’s renewable generation is becoming more exposed to hourly price and capture risk, while industrial users continue to face expensive evening periods. SEEPEX recorded Serbia’s first negative day-ahead electricity price in May 2026, as hourly price conditions became more relevant to generation and consumption.
Solar-plus-storage can shift some renewable output to factory demand and hours when grid electricity is more expensive. The Nocaj project, cited as an example of the market’s direction, has 270 MWp of solar capacity and 72 MWh of storage.
The Nocaj battery is not large enough to make the solar plant fully firm. It can improve output shaping and reduce imbalance in a bilateral supply arrangement, while the CBAM value still depends on methodology and verifiable electricity evidence rather than storage capacity alone.