Australian flow battery manufacturer Redflow is in voluntary administration after being unable to raise equity funding for a strategic plan.

Executives at US flow battery manufacturer ESS Inc. have said the company will be able to continue into 2025 and reach a gigawatt-hour of annual production capacity next year.

A new research centre ‘uniquely equipped’ to evaluate energy storage technologies has opened at Pacific Northwest National Laboratory (PNNL) in Washington, US.

Over the past few days, non-lithium long-duration energy storage (LDES) technology providers have made a plethora of announcements.

US utility company Salt River Project (SRP) has launched a request for proposals for non-lithium, long-duration energy storage (LDES) demonstration projects, targeting wider deployment during the early 2030s.

NTPC, India’s biggest electric power utility with a 76GW generation fleet, has opened a tender for a long-duration energy storage (LDES) flow battery project.

Another edition of news in brief from around the world in energy storage, with Powin, ESS Inc and New Zealand’s Counties Energy.

Invinity Energy Systems, a technology company that develops vanadium redox flow batteries (VRFB), plans to expand its manufacturing footprint in Scotland, UK.

Some long-duration energy storage (LDES) technologies are already cost-competitive with lithium-ion (Li-ion) but will struggle to match the incumbent’s cost reduction potential.

Editor Andy Colthorpe speaks with Long Duration Energy Storage Council director of markets and technology Gabriel Murtagh.