A first project outside the US has been announced by Form Energy, the developer of a novel battery technology promising ‘multi-day’ duration energy storage.

We hear about the progress made and challenges ahead at the policy level from Jacopo Tosoni of the trade association Energy Storage Europe.

Iron flow battery company ESS Tech Inc highlighted its recent partnership with Google and the acquisition of VoltStorage GmbH, as profitability remained out of reach in 2025.

The LDES Council’s policy team discusses the role of policy and markets in scaling long-duration energy storage globally with ESN Premium.

Global long-duration energy storage (LDES) deployment figures soared in 2025, but newer technologies risk being outcompeted by the incumbent, lithium-ion (Li-ion).

Energy Storage Summit 2026 finished yesterday, having brought the industry together for its first major meeting of the year.

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.

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

More needs to be done to cement energy storage’s vital role in European energy resilience, writes Teresa Casacchia, head of storage at Baywa r.e.