Allegro Energy has entered a strategic partnership with Jena Flow Batteries and its parent company Suqian Time Energy Technology.

Elestor claims its hydrogen-iron flow battery delivers 75%+ round-trip efficiency, a 20-25 year lifespan, and 15€/kWh capex for long-duration storage. 

Energy-Storage.news Premium catches up with Giovanni Damato, US president of organic flow battery company CMBlu Energy about the company’s recent activity.

Dutch long-duration energy storage (LDES) developer Elestor has partnered with Windpark Zeewolde to deploy a 20MW/200-800MWh hydrogen-iron flow battery storage system at what is described as Europe’s largest onshore wind farm.

A 2.1GWh, data centre-paired vanadium redox flow battery (VRFB) project in Switzerland will be among the first of its scale that represents a specific use case for the technology, the president of design partner Invinity Energy Systems told Energy-Storage.news.

We look at the potential of flow batteries for LDES and compare the leading providers’ offerings and trajectories.

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

Power firm Uniper has entered into a conditional supply contract with organic solid flow battery company CMBlu Energy for the delivery of at least 5GWh of its technology.

Lithium-ion companies have come out as the top-rated suppliers on a new long-duration energy storage (LDES) leaderboard, while CO2 Battery company Energy Dome is the highest non-lithium company.

Energy-Storage.news Premium speaks with Giovanni Damato, redox flow battery developer CMBlu’s North American President, about using its technology to help meet energy demands.