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Flow batteries
US bets on fire-resilient batteries in latest $15m storage awards Non-lithium chemistry stands out as an attractive option for fire-resilient devices.
Phoebe Skok
Jul 10, 2025
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Flow batteries
China completes world’s largest vanadium flow battery plant A giant solar-plus-vanadium flow battery project in Xinjiang has completed construction, marking a milestone in China's pursuit of long-duration, utility-scale energy storage.
Vincent Shaw
Jul 04, 2025
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R&D
US DOE awards $14m for unique energy storage systems for critical facilities and infrastructure The US Department of Energy's (DoE) Critical Facility Energy Resilience (CiFER) fund will back an organic quinone flow battery and an iron and sodium long duration energy storage (LDES) system in California, plus a lithium battery with a novel cathode material in New York state.
Max Hall
Jul 04, 2025
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Flow batteries
Testing begins on 20 MWh, ‘Europe’s largest’ vanadium redox flow battery Fraunhofer ICT says the pilot facility has demonstrated how clean energy can feed the grid regardless of weather conditions.
Pilar Sanchez Molina
Jul 01, 2025
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Tenders
Invinity flow batteries selected for nine 400 MWh-plus UK storage bids Of 171 bids, nine included flow batteries from Invinity Energy Systems, each with a 400 MWh or more capacity.
Tristan Rayner
Jun 24, 2025
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Opinion & Analysis
How organic flow batteries could erase the need for critical-mineral dependency Vanadium flow and lithium-ion batteries both require materials described as critical by the US Department of Energy (DOE).
Eugene Beh
Jun 05, 2025
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Flow batteries
Swiss developer breaks ground on 1.6 GWh redox flow storage project The redox flow project has enormous storage capacity, expected to be finished in mid-2028.
Sandra Enkhardt
May 23, 2025

All Flow batteries news

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Grid-scale
Work begins on 2 GWh lithium ion-redox flow battery hub in China A state-backed consortium has broken ground on a 1 GW/2 GWh energy storage system in Yantai, Shandong, advancing the province’s renewable integration and grid flexibility goals.
Vincent Shaw
Mar 10, 2025
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Flow batteries
Vanadium flow battery maker preps for UK long-duration storage tender Investor and renewables developer Frontier Power Ltd has said it is planning to lodge 'multiple' vanadium flow battery (VFB)-related bids in a long-duration energy storage (LDES) tender expected before July.
Max Hall
Mar 07, 2025
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Flow batteries
Sumitomo Electric launches vanadium redox flow battery with 30-year lifespan The new system comes in three versions, providing up to 10 hours of storage. It achieves improvements in output and energy density, through component enhancements, thereby reducing cost and physical footprint.
Marija Maisch
Mar 03, 2025
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Grid-scale
Record 13.6 GWh of battery energy storage capacity added in January Rho Motion noted big projects in Saudi Arabia and Hubei, China, and reported the only non-lithium-ion sites were three Chinese vanadium flow batteries.
Max Hall
Feb 17, 2025
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Flow batteries
Australian redox flow battery maker Allegro secures fresh cash to scale to mass production The New South Wales (NSW)-based startup wants to enter mass production with products featuring a microemulsion electrolyte made of cheap, easily available and recyclable, non-toxic, and non-flammable materials.
Max Hall
Feb 14, 2025
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Flow batteries
Go with the flow (batteries) There is a gap in the market for long-duration energy storage (LDES), according to US-based manufacturer ESS Inc. – one which can’t be plugged with lithium-ion chemistry. Hugh McDermott, of ESS Inc. tells pv magazine how he thinks iron flow batteries fit into the energy system of the future, as the company pursues global expansion.
Matthew Lynas
Feb 14, 2025
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Flow batteries
Redox recap: New flow battery JV in US, Japanese utility adds 12.5MWh flow battery A new joint venture (JV) aims to establish domestic vanadium electrolyte production for flow batteries, while a new Japanese redox flow project has been announced in a remote location.
Tristan Rayner
Feb 05, 2025
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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.
Max Hall
Jan 27, 2025
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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.
Max Hall
Jan 23, 2025
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