Long-duration energy storage (LDES) developer-operator Hydrostor has announced a strategic technology and equity agreement with energy infrastructure equipment manufacturer Baker Hughes.

Lithium-ion companies have come out as the top-rated suppliers on a new long-duration energy storage (LDES) leaderboard, while CO2 Battery company Energy Dome is the highest non-lithium company.

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.

PV inverter and BESS firm Sungrow has launched its PowerTitan 3.0 battery energy storage model for the European market.

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.

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.