The Governing Board of the Puerto Rico Electric Power Authority (PREPA) has approved renewables developer Polaris Renewable Energy’s battery energy storage system (BESS) standard offer (SO1) agreement.

A second-round auction in the UK for grid stability services, including inertia, concluded without any wins for grid-forming battery energy storage system (BESS) projects.

Allianz GI, Luxcara and Return have acquired BESS projects and portfolios in Germany, Finland and Spain; Low Carbon, OX2, Cero Generation and Revera have taken FIDs on projects in Poland, Finland and the UK; and NHOA Energy has received a 600MWh order in Italy. All in all, the projects total at least 3.7GWh of capacity.

A number of Chinese energy storage companies have released their 2025 annual earnings results and forecasts, revealing divergent performance.

Speaking to ESN Premium, Tom Best and Rachel Rundle of Eku Energy explore some of the key policies and drivers of Australia’s ESS market.

Australia’s Cheaper Home Batteries Program has officially surpassed 250,000 installations, delivering 6.3GWh of distributed energy storage.

Zinc hybrid cathode battery and storage system maker Eos Energy reasserted its vision for 2026 and beyond in its Q4 and full-year 2025 financial results.

Quebec-based IPP Boralex and Six Nations of the Grand River Development Corporation (SNGRDC) have commissioned the 300MW/1,200MWh Hagersville Battery Energy Storage Park in Haldimand County, Ontario, CA.

Winter Storms cause major disruptions, but Texas’s fleet of battery storage plays an increasing role in grid resilience, writes Randolph Mann, CEO of esVolta.

US energy storage and battery technology startup Lyten has completed its acquisition of Northvolt’s business operations in Sweden and announced its immediate plans.