In this Energy-Storage.news roundup,  Hydrostor receives permitting approval for its California project, Hawaiian Electric is set to begin construction on a Maui battery energy storage system (BESS) and Peregrine and Wärtsilä advance construction of a Texas BESS.

Our selection of Guest Blogs published over the past year continues, featuring entries from July to December.

As 2025 draws to a close, here’s a look back at a selection of Guest Blog contributions published by Energy-Storage.news over the past 12 months.

Lithium-ion OEM Hithium has unveiled a new, even larger format 1,300Ah battery cell for 8-hour BESS applications, alongside new related BESS products.

European energy independence is achievable if long-duration energy storage is factored into the mix, writes Oonagh O’Grady of Hydrostor.

A Western Australian government initiative to deploy the largest vanadium redox flow battery (VRFB) project outside China is a “pivotal moment,” one technology provider has said.

Jason Beer of Fluence Australia, discusses some energy trends in Australia that are set to influence the development of the storage market.

Compressed air energy storage (CAES) developer Cache Power is partnering with construction company EllisDon to deliver a CAES facility in Northeast Alberta, Canada.

Solar Media analyst Charlotte Gisbourne assesses the outlook for the major listed non-lithium battery energy storage technology companies.

US zinc battery storage manufacturer Eos Energy Enterprises has completed two financing transactions totalling over US$1 billion to strengthen its financial position and fund expansion.