The 300MW/1,200MWh Stanwell battery energy storage system (BESS) in Queensland, Australia, has reached its halfway construction milestone with the final Tesla Megapack units now delivered to the site.

Australia’s National Electricity Market (NEM) achieved multiple battery energy storage records during the weekend of 27-28 September 2025, highlighted by total storage capacity reaching 6,591.5MWh for the first time.

Advances in sodium-ion battery energy storage systems come from Peak Energy in the US, deploying its sodium-ion system in Colorado, and Phenogy, deploying Europe’s largest sodium-ion system in Germany.

Chinese battery manufacturer Rept Battero and Energy Vault have signed a 2026 supply agreement in the United States.

Samsung C&T Renewable Energy Australia has submitted plans for a 300MWh solar-plus-storage project in Queensland to Australia’s EPBC Act.

Utility Georgia Power has announced the open comment period for its 2025 Request for Proposals (RFP) for battery energy storage system (BESS) resources. 

Energy-Storage.news Premium speaks with Thomas Cornell, CEO and President of Prevalon Energy, at the RE+ 2025 trade show, about the global consequences of the budget reconciliation bill for BESS and renewables.

Microsoft, Sunrock, Zurich, and AlphaStruxure are among 20 participants joining Schneider Electric to deploy community-based energy systems across the US, supporting public and private sector organisations with “innovative solutions” and financing.

Victoria has become the first state in Australia’s National Electricity Market (NEM) to achieve more than 1GW of simultaneous battery storage charging.

During a 10 September panel on communicating renewables through a Conservative lens at the RE+ trade show in Las Vegas, US, participants discussed how to gain support from Republicans for battery energy storage systems (BESS), solar, and more in the wake of the ‘One Big Beautiful Bill’ Act