en.Wedoany.com Reported - CATL, in collaboration with Bulgarian photovoltaic system service provider Solarpro Technology, has successfully connected a 602MWh large-scale energy storage station to the grid in the Burgas region of Bulgaria. With its massive installed capacity, this project has become the largest operational electrochemical energy storage station in Eastern Europe to date. It also marks a key milestone for CATL in deepening its presence in the European energy storage market and supporting the construction of regional new-type power systems.
Since its official commissioning, the energy storage project has directly boosted Bulgaria's total installed energy storage capacity by 10%. Leveraging core capabilities in peak shaving, frequency regulation, and renewable energy integration, it effectively addresses challenges in integrating high proportions of renewable energy into the grid, strengthens the safe and stable operation of Bulgaria's power network, and further enhances the energy storage infrastructure supporting renewable energy in Eastern Europe.
Adelin Antonov, CEO of Solarpro Technology, highly praised the results of this collaboration. He stated that the successful implementation and grid connection of Eastern Europe's top-tier energy storage project would not have been possible without CATL's robust energy storage technology. CATL's mature and reliable energy storage product solutions, combined with Solarpro's localized and efficient engineering integration capabilities, enabled the efficient construction and smooth grid connection of this large-scale station. This fully demonstrates the adaptability and stability of CATL's energy storage systems in Europe's complex grid environment.
The entire project is equipped with CATL's self-developed TENER energy storage system, which leverages advantages in high safety, high integration, and high adaptability to meet Europe's stringent grid standards and local operation and maintenance requirements. Solarpro Technology served as the EPC contractor and full system integrator for the project. Through this benchmark project, the two parties have established a deep partnership and plan to intensify efforts in the European energy storage market over the next two years, jointly securing more large-scale energy storage orders and expanding CATL's localized market footprint in Europe.
It is worth noting that the 602MWh project connected to the grid this time is also the second large-scale grid-connected energy storage station in Bulgaria in recent months. As early as October 2025, the 260MWh energy storage project in Tenevo, southeastern Bulgaria, was successfully commissioned, using equipment from other domestic energy storage companies. However, the project involving CATL has directly set a new record for single-unit energy storage installation in Eastern Europe, further solidifying CATL's competitive edge in Europe's large-scale utility-grade energy storage market.
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