This Friday Briefing looks at the IEA’s recognition that long-duration energy storage will be essential to global decarbonisation and asks what it might take for that message to translate into immediate action.

A vanadium redox flow battery (VRFB) with a 24-hour discharge duration will be built and tested in a project launched by Pacific Northwest National Laboratory (PNNL) and VRFB technology provider Invinity Energy Systems.

Maldives is seeking input on flow battery-based energy storage systems for two of the country’s 1,192 islands.

Eric Dresselhuys, CEO of iron and saltwater electrolyte flow battery provider ESS Inc speaks to Energy-Storage.news about markets, strategy and profitability for long-duration energy storage (LDES).

Germany-headquartered organic flow battery company CMBlu has secured €100 million (US$107 million) from technology and construction firm Strabag.

The US Department of Defense Defense Innovation Unit will try out ‘prototype advanced energy systems’ based around LDES technologies.

Updated 29 September 2023: Following publication of this story, ESS Inc responded to a couple of Energy-Storage.news’ enquiries.

Enfinite has brought online two more battery assets in a nine-project portfolio in Alberta, Canada, while Elemental Energy has commenced operation of a large-scale vanadium flow battery system.

Flow battery maker Invinity Energy Systems signed a deal for the newest iteration of its product with Everdura at RE+ in Las Vegas last week.

Flow battery companies at the RE+ 2023 show in Las Vegas offered takes on how their technologies can compete in the evolving energy storage market.