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.

As we welcome the end of another year and greet the next, here are the top 10 most-read news stories from 2025.

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

“A multi-stream revenue stacking model” made it possible for Pacifico Energy to self-fund a new grid-scale battery storage project in Japan.

The New Orleans, Louisiana, US City Council voted unanimously to approve a US$28 million virtual power plant (VPP) programme, reportedly, the first distributed energy resource (DER) programme in the city.

The Battery Asset Management Summit Europe earlier this month brought together operators, optimisers, software and hardware suppliers and more to discuss the big topics in BESS risk management, operation, commercialisation and optimisation. Read on for a summary of the key talking points.

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.

Renewable energy generator and retailer Flow Power has achieved financial close on a 100MW/223MWh battery storage project in Victoria, Australia.

The World Bank’s International Finance Corporation has agreed a financing package for a 1GW solar PV power plant paired with 600MWh of energy storage in Egypt.  

California Community Choice Aggregator (CCA) Clean Power Alliance (CPA) last week (8 December 2025) moved one step closer to executing agreements for offtake with two companies developing innovative thermal battery storage projects.