Geothermal and battery storage firm Ormat Technologies’ 80MW/320MWh Shirk battery energy storage system (BESS) in Visalia, California, US, has reached commercial operation.

According to a representative from sodium-ion (Na-ion) battery energy storage system (BESS) startup Peak Energy, the company will pilot a 3.1MWh system at Energy firm RWE’s Eastern Wisconsin, US lab.

We hear about the progress made and challenges ahead at the policy level from Jacopo Tosoni of the trade association Energy Storage Europe.

Google has finalised its acquisition of US renewable energy developer Intersect Power, as part of its plan to power its data centre expansions in the US.

Iron flow battery company ESS Tech Inc highlighted its recent partnership with Google and the acquisition of VoltStorage GmbH, as profitability remained out of reach in 2025.

European IPP R.Power’s head of BESS and CCO sat down with Energy-Storage.news at the Energy Storage Summit 2026 last month for a video interview to discuss the firm’s storage activity and approach to procuring technology.

Australia’s MGA Thermal has secured AU$17 million (US$12 million) in new investment for its long-duration thermal energy storage technology as it enters the commercial scale-up phase.

Energy-Storage.news speaks to Willliam Lauwers, head of technology, BESS, at consulting, engineering and quality control firm Enertis Applus+, ahead of the upcoming Energy Storage Summit USA.

In this US news roundup, we have financing updates for GridStor, Arevon, and Primergy, related to energy storage projects in Texas, California, and Nevada, respectively.

Another busy week of BESS news from across Europe, with investors and owner-operators ABO, Field, Aspiravi, Prime Capital, Latvenergo, Sonnedix and Amarenco progressing large-scale projects across Europe.