Power firm RWE is about to start building a 400MW/800MWh BESS project in Germany, among the largest in the country to reach the construction stage. In related news, Kyon Energy has connected a 282MWh project to the grid, possibly the largest in the country to reach that milestone.

European Union countries deployed record-breaking battery storage capacity for the 12th consecutive year in 2025.

US sodium-ion (Na-ion) battery technology company Unigrid has begun international shipments of its proprietary sodium cobalt oxide (NCO) cathode cells at commercial volume.

Utility company Avista has selected projects as part of its request for proposal (RFP) process to identify new resources, including a 100MW battery energy storage system (BESS), for the Pacific Northwest, US.

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

Bigger, longer-duration projects and more sophisticated deal structuring are driving the energy storage industry forward, but a lack of common approaches from transmission system operators (TSOs) remains a challenge.

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.

Three energy storage projects have reached key milestones, including pumped hydro, thermal storage, and geothermal alternatives to battery energy storage systems (BESS).

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.