A busy week of grid-scale BESS project news from Germany, with numerous development, project, optimisation and tolling partnerships announced.

Home battery storage and virtual power plant (VPP) specialist Lunar Energy has raised US$102 million in an oversubscribed Series D financing round led by B Capital and Prelude Ventures.

The European Investment Bank (EIB) has invested €24 million (US$28 million) in cloud-based battery data analytics provider TWAICE.

Tesla reported company-high energy storage deployments and revenue growth in 2025 but expects “low-cost competition” and policy factors to affect margins this year.

ERCOT’s battery storage fleet can play a crucial role during extreme winter conditions, but its own technical performance needs to be carefully managed.

Ahead of the Energy Storage Summit Australia 2026 in March, we take a look at some of the key debates set to take centre stage at the event.  

South Australia’s battery storage fleet entered a 4-hour AU$1,000/MWh (US$700/MWh) price event at around 90% state of charge during the Australia Day heatwave.

Ed Gunn, VP of revenue at home battery storage and virtual power plant (VPP) specialist Lunar Energy, on the market’s recent past and future potential.

Lenders requirements for contracted revenues for BESS projects in the UK appears to have softened, an executive at investment firm Triple Point said.

More BESS news from across Europe, with ContourGlobal and Alpiq striking sizeable deals in Greece and France, Iberdrola putting projects into operation in Spain, and other project news in Germany, Poland, Denmark and Southeast Europe.