A team from Open Energy Transition discusses the benefits of open energy system modelling in assessing resources, including energy storage of varying durations.

In this US news roundup, CC Power signs an agreement with Hydrostor for 400MWh of its Willow Rock LDES project, PowerSecure builds microgrids in New Mexico, and ESS Inc acquires VoltStorage.

We hear from Netherlands-based ‘distributed hybridisation’ sodium-ion BESS startup Moonwatt, as it announces its first project 18 months after being founded and around a year after executives introduced its tech and strategy to Energy-Storage.news.

The 2026 edition of The Energy Storage Report is out now and available to download, charting the key trends, challenges and successes in the industry.

Ukraine’s government sees energy storage as a tool of strategic national importance as the country weathers Russian attacks and looks to the future.

“Australia remains a multi-gigawatt proving ground for utility-scale energy storage systems,” says Kashish Shah of Wärtsilä Energy Storage.

IPP Lydian Energy has secured US$689 million in financing for two solar projects and a battery energy storage system (BESS) project in New Mexico, Texas, and Utah, US.

The US Treasury’s interim FEOC guidance has outlined “Material Assistance” provisions, which rely heavily on existing safe harbour calculations.

The first monthly global grid-scale BESS deployment figures for 2026 are in from Rho Motion, showing a year-on-year fall and China continuing to account for the majority of activity.

Another roundup of European BESS news, but this time around portfolios, partnerships, investments, financing, optimisation and tolling in France, Spain, Belgium, Denmark, Finland and Romania. Notable highlights are Grenergy’s 10-year BESS toll in Spain and Ingrid Capacity entering the French market.