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.

System integrator Fluence and lithium-ion battery OEM Eve Energy have struck a massive 206GWh battery supply framework agreement for 2027-31, one of the largest deals of its kind ever announced.

Vishal Mittal, founder and CEO of Delectrik makes the case for flow batteries to meet India’s long-duration needs in an exclusive ESN Premium interview.

The New South Wales government in Australia is investing AU$3 million (US$2.1 million) to scope new solar-plus-storage-powered microgrid projects across four remote communities in the state’s Far West.