Engineering giant Siemens will develop a reference architecture purpose-built for Nvidia AI data centres, in collaboration with Fluence and incorporating nVent-aligned design considerations.

This special Japanese market roundup covers large-scale BESS project announcements from PowerX, Eku Energy and SMFL.

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.

That’s according to Benedikt Deuchert, head of business development and regulatory affairs for German battery energy storage system (BESS) developer and EPC firm Kyon Energy.

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.

The German network regulator’s decision to maintain grid fee exemptions for battery storage “ensures that billions in private investment remain directed” into the market, Energy-Storage.news has heard.