European Battery Energy Storage intelligence — updated daily.
A new KfW study reveals that battery storage significantly lowers system costs and smooths price curves in Germany, which remains Europe's dominant BESS market.
METLEN and Karatzis Group have inaugurated a 330 MW / 790 MWh battery energy storage system in Thessaly, marking a major milestone for Greece's energy transition.
Vattenfall has awarded Fluence Energy a contract to build a 254 MW/1 GWh BESS at the decommissioned Brunsbüttel nuclear power plant site in Germany, utilizing Gridstack Pro 5000 technology.
Enlight Renewable Energy and Enertrag have begun construction on a 200 MW/840 MWh BESS in Brandenburg, Germany, featuring grid-forming technology and a seven-year offtake agreement.
The European Union has set a target of 200 GW of energy storage capacity by 2030, up from 55 GW in April 2026, reinforcing its global leadership in the sector.
Greenvolt has commenced construction on a massive 600 MW/2.4 GWh battery energy storage project in Poland, targeting commercial operations by late 2027.
Greece has commissioned its largest standalone battery energy storage system in Thessaly, backed by EU funds, while setting a national target of 3-4 GW of storage by 2028.
The EU Commission has published new delegated regulations on battery performance, while experts warn that national capacity mechanisms in Germany and Italy may indirectly subsidize fossil fuels.
According to SolarPower Europe, Germany added 6.6 GWh of battery storage capacity in 2025, cementing its position as the leading BESS market in Europe.
The European Commission has published a new Delegated Regulation setting minimum performance and durability standards for industrial and stationary batteries. Meanwhile, major advancements in sodium-ion and solid-state technologies are accelerating across Germany and Austria.
The EU battery storage fleet has grown twelve-fold to approximately 80 GWh, supporting 108,000 jobs across the value chain. However, SolarPower Europe warns that rising curtailment and negative prices pose significant challenges, urging policymakers to accelerate flexibility deployment.
Battery storage developer BW ESS is accelerating its Italian expansion with over €1 billion in investments, capitalizing on the country's robust MACSE and capacity market mechanisms. The company recently appointed former Shell executive Ivan Niosi to lead its strategic growth in the region.