en.Wedoany.com Reported - Slovenian technology company NGEN has commissioned a 9.4 MW battery energy storage system (BESS) with a capacity of 18.8 MWh in Woźnica, West Pomerania, Poland, utilizing five Tesla Megapack 2XL units. This project, known as the Vistula Project, is Poland's second utility-scale energy storage facility and the first one directly connected to a distribution system operator's (DSO) grid.
NGEN highlighted that technical integration is one of the main challenges in the emerging energy storage market. The project's focus areas included technical integration with the distribution grid, real-time communication and control, operational management, market participation processes, and regulatory agreements.
The BESS is designed to participate in multiple electricity market services. The initial phase focuses on price arbitrage in the day-ahead and intraday electricity markets, with future plans to expand to ancillary and balancing services, such as frequency control reserve. In the long term, the system is expected to provide flexibility services, enhancing grid stability and renewable energy integration. Integrated with NGEN's digital operations platform, the system enables real-time monitoring and control, optimizing dispatch based on market signals.
NGEN employed a vertically integrated approach, acting as the investor, owner, and operator of the facility, combining technology deployment, operational optimization, and market participation. The project scope encompassed Tesla Megapack battery units, transformers, distribution systems, grid connection, and monitoring infrastructure. Key technical challenges involved integrating the BESS asset into the grid environment and ensuring reliable communication and control.
Following the commissioning of the Vistula Project, NGEN announced an expansion of its activities in the Polish energy market, developing utility-scale storage, commercial & industrial energy solutions, and residential systems. NGEN plans to deploy up to 1 GW of storage capacity in Poland, supporting the country's transition to a more flexible and resilient power system. The European Bank for Reconstruction and Development (EBRD) has completed its final review of five independent BESS projects by NGEN, with a total capacity of 302 MW and total storage of 635 MWh, located in Slovenia, Poland, Latvia, and Romania. The bank may provide a €70 million loan, pending board approval. Founder and Co-CEO Roman Bernard stated, "NGEN plans to reach a scale of 1.1 GWh of storage capacity this year." The company is one of the technology sponsors for BEF 2026.
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