A roundup of some of our key takeaways from the Energy Storage Summit Germany this week, including around FCAs, inertia, the capacity market (CM), EU restrictions on China, and the future of one very notable system integrator.

The US has pledged financial support towards an existing 400MWh battery energy storage system (BESS) portfolio in Ukraine.

Energy-Storage.news Premium speaks with Randolph Mann, CEO at developer esVolta at the 2026 US Battery Asset Management Summit in Garden Grove, California.

The transition of battery energy storage systems (BESS) from development to operations remains fraught with technical gaps and communication breakdowns.

Fluence has revised downward its fiscal year 2026 (FY2026) guidance, attributing the financial hit largely to US supply chain delays.

At last week’s Battery & Energy Tech Expo in Barcelona, Spain, panellists highlighted some of the challenges that companies are facing for a faster deployment of BESS.

Victoria’s SEC invests up to AU$43 million for a stake in 400MW Baranduda battery system near Wodonga alongside Aware Super.

LFP is the de facto choice for the German BESS market today with sodium-ion still far from bankable, but that doesn’t mean choosing a supplier is necessarily straightforward. 

Interconnection costs for utility-scale energy storage in California are significantly lower than in other major US markets, with developers also benefiting from network upgrade cost reimbursements unavailable elsewhere, according to a senior executive at Rev Renewables.

Zelestra and steelmaker Salzgitter Flachstahl have signed a PPA for a new solar-plus-storage portfolio in Germany.