Hungarian distribution system operator (DSO) Opus Titasz has commissioned and put into operation four BESS projects.

The Federal Court of Justice in Germany has rejected an appeal against BESS being eligible for the BKZ construction fee, a decision which means potentially millions more in costs for building projects in the country.

Invinity Energy Systems believes partnering with a Chinese materials and manufacturing company will enable significant cost reduction of its vanadium redox flow battery (VRFB) technology.

Utility and power firm Verbund has selected system integrator Fluence to deploy two BESS projects in Germany totalling 186MWh of capacity, with noise and cybersecurity standards a key part of the selection process.

Utility and power firm Engie has acquired two BESS projects from Recurrent Energy in Italy, totalling 200MW of capacity.

June 2025 saw a total of 7.96GW/22.17GWh of grid-scale BESS enter commercial operations across 109 projects, with over half of that being in China, while the overall first half of the year saw substantial growth.

Energy investment firm DTEK and system integrator Fluence have started commissioning a portfolio of six 2-hour BESS projects in Ukraine.

The energy regulator in Romania has exempted energy storage resources from fees for charging from the grid.

A double-header of large-scale BESS project sales in the Baltic region, with Aura Power selling to UAB Karjerų linija and Danish Sun Energy selling a co-located one to Sunotec.

A subsidiary of Turkish conglomerate Güri̇ş Group has signed an EPC contract for a 98.6MW/196.4MWh project in Romania with local firm Simtel.