The first half of the year saw mixed results among China’s leading ESS suppliers, though generally the industry is still performing strongly, writes PV Tech ESS analyst Charlotte Gisbourne. 

Hithium’s recent sodium-ion battery and BESS product launch is the latest in a long line of announcements showing an inflection point for the battery chemistry. But how do its new products compare to other sodium-ion systems out there, and to its own LFP offering?  

Join us for In Case You Missed It (ICYMI), our weekly recap of thought-provoking and potentially game-changing news.

Welcome to another edition of hot takes, snap analysis, gossip and of course, valuable insights from the LinkedIn feeds of energy storage and electricity insiders.

Update 2 October 2026: The financial impact of the write-down to Wärtsilä’s full-year 2026 is expected to be significantly less than initially communicated.

James Costello of EORA Energy discusses the shift from supplying battery technology to developing full energy infrastructure projects.

Liam Critchley with an ESN Premium deep dive into availability, one of the most-discussed metrics in battery storage performance.

EORA Energy has formed a JV with Tulla Group to develop integrated energy infrastructure for mining operations, data centres and more.

Welcome to the first edition of In Case You Missed It (ICYMI), a recap of last week’s biggest news stories in energy storage.

Spain-headquartered Power Electronics has opened a new factory in Houston, Texas, as the US market increasingly looks to build domestic content supply chains.