The grid-scale energy storage market in Germany is in a strong position but key questions around grid fees, grid connections, FCAs and the upcoming capacity market remain, speakers at the upcoming Energy Storage Summit Germany 2026 said. 

Fluence and utility LEAG have begun construction of a second battery storage project in Germany, through a partnership that is also deploying Europe’s largest BESS to date.

This year has seen a shift in the financing environment for merchant BESS projects in Germany for the worse.

The German regulator BNetzA’s latest draft decision on grid fees from 4 August 2029 onwards still leaves uncertainty for energy storage project business cases.

IPP Zelestra has agreed a long-term toll for a 99MW/297MWh BESS project in Germany with the trading arm of UK-based power group Centrica.

We caught up with Peter Kavanagh, CEO of BESS developer Harmony Energy, after it was acquired by Switzerland-headquartered power group Alpiq. 

RWE has launched construction on a 236MW/470MWh BESS in Germany, while IPP Kallista has done the same on a 193MW/386MWh system in France, supplied by Envision Energy.

In this deep-dive, we go through and analyse all of the technical features and claims of CATL’s new sodium-ion grid-scale BESS product, including its ‘millisecond-level self-healing’.

UK-based BESS and EV charging firm Zenobē has entered the German market with the acquisition of Bavaria-headquartered BESS developer SDP Energie.

In this news roundup, Grenergy, MaxSolar and Saft, and Amarenco have made significant advancements on BESS projects in Spain, Germany, and France.