Queensland’s growing battery energy storage system (BESS) fleet set new instantaneous records for both the renewables-plus-storage (RES) share of consumption and the battery storage share of consumption on 31 May 2026.

Mexico’s Ministry of Energy (SENER) has launched a new call for renewable power projects including generating and energy storage assets.

Chinese-based OEM Sungrow and Spanish IPP Sonnedix have signed a supply agreement for 643.8MWh of Sungrow’s PowerTitan 2.0 solution.

CATL has opened what it describes as the “world’s largest and most comprehensive testing and validation platform for energy storage systems” at its headquarters in Ningde, China.

RES Australia’s 2,400MWh Bunyip North BESS has cleared the federal environmental assessment process under Australia’s EPBC Act.

In this Energy-Storage.news roundup, a collection of battery energy storage system (BESS)-related announcements from NeoVolta, Goshe Energy Storage, Frontier Power USA and Stella Energy Solutions, and Prevalon Energy.

Ausgrid has submitted its 150MW/300MWh Berkeley Vale BESS to the Australian government’s EPBC Act for federal environmental assessment.

The Electric Reliability Council of Texas (ERCOT) has initiated a programme to encourage battery energy storage systems (BESS) and other inverter-based resources to adopt grid-forming technology.

RWE has received official sign-off from the AEMO and Transgrid to operate Australia’s first 8-hour BESS at full capacity.

The US can currently produce enough solar and battery energy storage system (BESS) modules to meet domestic demand, according to clean energy trade body American Clean Power (ACP).