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NGEN Launches Croatia’s First Transmission-Connected Standalone BESS

The 60MW/120MWh Šibenik project marks a milestone for Croatian grid-scale energy storage infrastructure.

Energy-Storage.news2 min

1Šibenik Project Commercial Launch

NGEN has officially commenced commercial operations for its Šibenik battery energy storage system project in Croatia. This facility represents a significant infrastructure milestone as the first standalone storage unit connected directly to the transmission-level grid. The project aims to enhance local energy management capabilities through advanced, large-scale battery technology integration.

2Technical Capacity and Scale

The newly operational facility boasts a power capacity of 60MW and an energy capacity of 120MWh. This dual-metric configuration allows the system to provide substantial support to the national grid during peak demand periods. By utilizing this storage volume, NGEN can effectively balance supply fluctuations within the Croatian electrical network infrastructure.

3Transmission-Level Grid Integration

Unlike typical distribution-connected storage assets, this project connects directly to the transmission network. This strategic positioning allows for more efficient energy flow management across the broader national grid. Such high-voltage connectivity is essential for integrating intermittent renewable energy sources, ensuring that surplus power is captured and deployed when most needed.

4Strategic Role of BESS

Battery Energy Storage Systems, or BESS, function as critical buffers in modern electrical grids. They provide frequency regulation, voltage support, and rapid response services that traditional power plants cannot match. By deploying this technology at the transmission level, NGEN is addressing the technical challenges posed by the increasing penetration of variable energy sources.

5Market Impact in Croatia

The activation of the Šibenik site signals a shift in how Croatia approaches grid stability and energy security. As the first project of its kind in the country, it establishes a regulatory and technical precedent for future standalone storage developments. This move aligns with broader European trends toward decarbonizing national power grids.

6Operational Utility and Flexibility

The 120MWh capacity provides the flexibility to store energy during periods of low demand and release it during high-demand intervals. This operational cycle is vital for stabilizing the grid against sudden load changes. NGEN’s ability to manage this asset commercially demonstrates the viability of standalone storage as a profitable energy service.

7Infrastructure Development Context

Standalone storage projects are increasingly favored over co-located systems due to their ability to be placed where the grid needs support most. By decoupling the battery from specific generation sites, operators can optimize grid performance independently. This Šibenik project serves as a blueprint for future transmission-connected storage investments across the Balkan region.

8Future Grid Outlook

Moving forward, the success of this 60MW installation will likely influence future energy policy and investment strategies in Croatia. As the energy transition accelerates, the demand for such high-capacity storage solutions will continue to rise. Observers should monitor how this project performs under varying seasonal grid conditions and market price signals.

Original article: Energy-Storage.news — NGEN Launches Croatia’s First Transmission-Connected Standalone BESS