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Flow batteries

Spanish researchers validate 10,000 cycles for iron-lead flow battery A Spanish-developed iron-lead flow battery uses a single electrolyte loop and a fluorine-free membrane to cut costs and reliance on critical raw materials, with kilowatt-scale modules the next development step.

Pilar Sanchez Molina

Oct 01, 2026

Finance

Interview with ESS Inc CEO Drew Buckley ESS Inc President and CEO Drew Buckley tells ESS News the company has pivoted its strategy in 2026 around sodium-ion storage, citing nearly $1 billion in early-stage opportunities and a more measured approach to its iron flow technology amid tight liquidity.

Sep 04, 2026

Technologies

Allegro strikes deal to commercialize flow battery tech Australia's Allegro Energy has partnered with Germany-based flow battery manufacturer Jena Batteries to accelerate the commercial deployment of the former’s microemulsion electrolyte technology.

Aug 24, 2026

Flow batteries

US mining giant begins vanadium flow battery study in Australia Australian Vanadium Limited will partner with United States mining giant Alcoa to explore the potential rollout of vanadium flow battery energy storage technology at the miner’s alumina refinery operations in Western Australia.

Aug 12, 2026

Flow batteries

TerraFlow and Shoals target 5 GW vanadium flow deployment US companies sign agreement in a bid to boost flow battery deployment, with the data centers, industrial users and utilities seen as potential offtake partners.

Aug 07, 2026

Flow batteries

Idemitsu plans 864 MWh vanadium flow battery at Australian coal mine site Idemitsu Australia is proposing a 108 MW vanadium flow battery with eight hours of storage at a former coal mine site in New South Wales.

Jul 22, 2026

Flow batteries

Energy security push highlights need for long-duration storage Energy storage is essential to ensuring grid stability as demand grows for intermittent renewables, like solar PV. Different options are gaining traction, supported by international standards.

Adrian Pennington

Jun 09, 2026

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All Flow batteries news

Flow batteries

US flow battery makers discuss life under Trump ESS News spoke to Matt Harper, from vanadium flow battery (VFB) maker Invinity, and Eugene Beh, CEO of Quino Energy, which uses a water-based electrolyte in its aqeous organic quinone redox flow batteries.

Jan 27, 2025

Eos battery with an American flag.

Flow batteries

FlexGen secures $75m credit facility, partners with zinc battery maker Eos North Carolina-based FlexGen, which is joining forces with aqueous zinc battery maker Eos Energy Enterprises, secured the credit line from four banks, led by JP Morgan.

Jan 23, 2025

Manufacturing

Vanadium flow battery maker H2 secures funds for new Korean factory H2 Inc. has raised $16 million in bridge funding for a new production facility which will have a 1.2 GWh annual manufacturing capacity from 2026.

Jan 23, 2025

Flow batteries

Quinone redox flow battery company secures $2.6m for commercial pilot site Quino Energy says the mildly alkaline nature of its storage medium means it can be installed in existing oil industry holding tanks.

Jan 09, 2025

Flow batteries

Remote flow battery and solar product to supplant diesel in Australia A Western Australia-based solar and battery system developer has demonstrated its units, deployed in remote locations for businesses and communities, can replace around 140 liters of diesel per day.

Jan 06, 2025

Flow batteries

Schmid Pekintaş targets redox flow battery cost reduction with new Turkish gigafactory Production equipment supplier Schmid is expanding its joint venture with the Pekintaş Group to establish a vanadium redox flow battery production facility with an output of 3 GWh. The factory is scheduled to begin production in 2026.

Jonathan Gifford

Dec 20, 2024

Second-life batteries

Boralex plans li-ion and vanadium flow hybrid in France, Acciona colocates new and second-life EV batteries in Spain Canada's Boralex will combine two battery types at an innovative site in France and Acciona Energía will study the performance of new, versus second-life, electric vehicle (EV) batteries at a stationary storage site in Badajoz, Spain.

Pilar Sanchez Molina

Dec 20, 2024

Flow batteries

New milestone for Australia’s 100 MW vanadium flow battery Project Lumina Vanadium producer Australian Vanadium’s subsidiary VSUN Energy’s vanadium flow battery Project Lumina has progressed with the appointment of service providers GenusPlus Group, Sedgman, and Austrian company CellCube.

Dec 10, 2024

Flow batteries

World’s largest vanadium redox flow project completed Dalian-headquartered Rongke Power has completed the construction of the 175 MW/700 MWh vanadium flow battery project in China, growing its global fleet of utility-scale projects to more than 2 GWh.

Dec 09, 2024

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