German energy trading and optimisation specialist Entrix has been selected to optimise the operations of DRI’s 133-MW battery energy storage system (BESS) in Trzebinia, southern Poland. The partnership marks another milestone for one of Poland’s largest standalone battery storage projects, which is expected to begin commercial operations in early 2027.
Under the agreement, Entrix will provide commercial optimisation and market access for the battery system through its AI-driven trading platform. The company will manage the asset across multiple electricity markets, including balancing services, ancillary services and wholesale power trading, enabling the project to maximise revenues while supporting grid stability.
The 133-MW battery storage facility is being developed by DRI, the European renewable energy arm of the DTEK Group. Located in Trzebinia, the project is among the largest battery energy storage installations currently under development in Poland and will play a critical role in integrating renewable energy into the country’s electricity network. The facility will be capable of responding to fluctuations in electricity supply and demand within milliseconds, helping maintain grid reliability as renewable energy generation continues to expand.
Entrix will deploy its proprietary optimisation platform to determine the most profitable charging and discharging strategies while ensuring the battery participates in the most attractive electricity markets. The system uses advanced algorithms and real-time market analysis to optimise battery performance, balancing commercial returns with technical efficiency.
The project recently achieved financial close after DRI secured approximately PLN 470 million (around USD 127 million) in non-recourse financing from a consortium comprising Erste Bank Polska, PKO Bank Polski and UniCredit. The financing package is backed by a guarantee from Poland’s export credit agency, KUKE, highlighting growing investor confidence in utility-scale battery storage projects across Central and Eastern Europe.
Construction of the Trzebinia BESS is already underway and progressing as planned. Once operational, the project will participate in Poland’s Capacity Market under a 17-year contract, providing fast-response reserve capacity that enhances energy security while supporting the country’s transition toward a cleaner electricity mix. The battery system will also improve the integration of renewable energy by storing surplus electricity during periods of high generation and releasing it during peak demand.
For Entrix, the agreement strengthens its presence in Poland’s rapidly expanding battery storage market and further grows its portfolio of optimised energy storage assets across Europe. The partnership also reflects the increasing importance of intelligent energy trading platforms in unlocking the full value of battery storage systems as renewable energy deployment accelerates across the continent.
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