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Flow batteries

SoftBank to make next-gen zinc-halogen battery cells in Japan for AI data centers SoftBank's mobile arm is gearing up to scale the intriguing zinc-halogen battery cell chemistry to 1 GWh annual production.

May 11, 2026

Flow batteries

VRF long-duration batteries answer demands of electricifation: Eora Energy Sydney-headquartered vanadium redox flow battery company EORA Energy has launched in Australia with a pipeline of long-duration energy storage projects in mining, data centres and regional infrastructure.

Apr 09, 2026

R&D

Titanium emerges as a vanadium alternative for redox flow batteries A Japanese-Chinese team developed a titanium molten salt redox-flow battery using abundant titanium ions and molten salt electrolytes to enable high-voltage, fast, and stable grid-scale energy storage. The system demonstrates high efficiency of over 97%, strong cycling stability, and improved cost and scalability compared to vanadium-based batteries, with further optimization underway.

Emiliano Bellini

Apr 08, 2026

Grid-scale

Vanadium flow and lithium-ion combine in world’s largest grid-forming hybrid storage plant in China China brings online 300 MW/1,200 MWh grid-forming energy storage facility in Inner Mongolia, integrating lithium-ion and vanadium flow battery technologies.

Feb 27, 2026

Flow batteries

AVL partners with Sumitomo in bid for Western Australia’s 500 MWh vanadium battery project Perth-headquartered resources and technology company Australian Vanadium Limited’s subsidiary VSUN Energy will partner with Japanese manufacturer Sumitomo Electric Industries in its bid to develop Western Australia’s planned 500 MWh Kalgoorlie vanadium battery project.

Feb 23, 2026

Flow batteries

CMBlu Energy to supply Uniper with 5 GWh of SolidFlow battery storage technology The ten-year agreement sees CMBlu Energy supply its SolidFlow battery technology to the German energy company from 2027. Uniper intends to deploy the battery systems in tranches of at least 100 MWh.

Sandra Enkhardt

Feb 03, 2026

Technologies

Dutch long-duration energy storage project targets sub-€50/kWh costs with innovative technologies The SLDBatt project brings together TRL 7 battery technologies – including molten sodium‑salt, saltwater acid–base flow, and hydrogen–iron flow batteries – to deliver an innovative and cost-effective long-duration energy storage solution.

Jan 14, 2026

pv magazine Global May Edition 2026

New May issue – Now available

Mountains to climb

The May issue of pv magazine Global is out now! Available in print and digital – get your copy today!

pv magazine Focus 2026 announcement box

pv magazine Focus 2026

1-Day Conference

High-level discussions on solar and energy storage across Europe. Experts explore how to plan and execute bankable BESS projects, what quality and warranty factors matter, and how energy management systems optimize residential and C&I applications, including heat pumps, EV charging, and new market opportunities.

1:00 – 5:00 pm, CEST | June 24, 2026

The smarter E Europe, ICM Conference Center | Munich, Germany

Register For Free

pv magazine Awards 2026

pv magazine Awards 2026

Window is open now!

Entries open in seven categories: Modules, Inverters, BoS, BESS, Manufacturing, Sustainability, Projects.

April 01 – August 31, 2026

SunRise Arabia Update Announcement Box

SunRise Arabia Clean Energy Conference 2026

Saudi Arabia is accelerating its clean energy transition. Join the third SunRise Arabia Clean Energy Conference in 2026 to explore how solar PV and energy storage are powering the Kingdom’s growing digital economy, including data centers. Policymakers, investors, and innovators will share insights on technology, deployment strategies, and long-term value creation in Saudi Arabia’s evolving energy landscape.

9:00 am – 6:00 pm, AST | September 30, 2026

Riyadh, Saudi Arabia

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All Flow batteries news

Grid-scale

Storage investment: Standalone batteries changing the market Redelfi has placed standalone battery energy storage systems (BESS) at the center of its development model, abandoning the renewable energy community (CER) business. pv magazine Italia discussed that decision – and Redelfi's market vision – with a company that wants 1 GW of capacity greenlit by next year.

Lara Morandotti

Sep 10, 2025

Flow batteries

German iron-salt battery business Voltstorage to close The company's principal technologist said the technology delivered but 'market adversity, investment cycles, and strategic decisions' prompted the move.

Sandra Enkhardt

Aug 29, 2025

Flow batteries

Sumitomo Electric supplies flow battery for AI-led smart energy trial in Japan Sumitomo Electric Industries has installed a vanadium redox flow battery at Osaka Metropolitan University as part of a trial to optimize solar use and energy storage with AI. The project combines the battery with Kansai Electric Power’s cloud-based control platform.

Brian Publicover

Aug 06, 2025

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.

Jul 10, 2025

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.

Jul 04, 2025

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.

Jul 04, 2025

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

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.

Jun 24, 2025

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).

Jun 05, 2025

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