Romania’s energy landscape is set for a significant enhancement as Hidroelectrica, the country’s prominent electricity producer, has secured a €8.7 million grant from the Modernization Fund. This funding will support the development of a state-of-the-art battery storage project at the Porțile de Fier II hydropower complex.
The total investment for this initiative is projected to reach approximately €62 million, which includes the construction of a battery storage system with a capacity of 64 MW / 256 MWh. This project marks a pivotal step in Hidroelectrica’s strategy to integrate advanced energy storage solutions into its existing infrastructure.
By directly linking the new battery systems to current hydropower operations and existing grid connections, Hidroelectrica aims to optimize implementation costs and expedite the project’s rollout. Moreover, this development is expected to enhance operational flexibility and bolster the stability of Romania’s electricity network.
The newly established storage facility will be crucial in balancing supply and demand dynamics, particularly as renewable energy generation continues to gain traction in Romania’s energy mix. The increasing importance of energy storage solutions is underscored by their role in managing production variability and ensuring reliable electricity system operations.
Hidroelectrica’s leadership has emphasized that investments in such advanced balancing technologies are vital in a power system increasingly reliant on renewable sources. The project is anticipated to deliver both frequency regulation services and improved responsiveness for the electricity grid.
With over 6.3 GW of installed hydropower capacity, along with additional wind resources, Hidroelectrica stands as a key player in Romania’s energy sector. The company’s initiatives are critical to supporting the country’s ongoing efforts toward decarbonization and modernization of its electricity infrastructure.








