Technologies
Technologies pv magazine
Technologies pv magazine

Energy storage systems come in many forms, leveraging different technology types. A class of electrochemical storage, lithium-ion batteries have established themselves as the industry standard.

But there are many new technologies vying for their market share.

Sodium-ion batteries are widely considered a sustainable and resource-saving answer to future energy storage, while flow batteries offer a viable alternative in long-duration storage applications.
However, the path to commercialization is not a straightforward one.

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ESS Tech to add 8.5 GWh of US-made sodium‑ion batteries to its portfolio ESS Tech is complementing its iron flow storage offering, which is engeeneered for the 8–24 hour long-duration segment, with sodium-ion battery products aimed at short and medium-duration applications.
Marija Maisch
Apr 30, 2026
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New partnership advances sodium-ion manufacturing in Spain In a week marked by the largest sodium-ion battery order to date, widely seen as a watershed moment for the technology’s commercialization at scale, one of Europe’s emerging players, Spain’s Bihar Batteries, is strengthening the outlook for European-made sodium-ion batteries.
Marija Maisch
Apr 29, 2026
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CATL secures world’s largest sodium-ion battery order with Hyperstrong The two companies announced a 60 GWh supply agreement on Monday, marking a pivotal step in the commercialization of sodium-ion battery technology.
Marija Maisch
Apr 27, 2026
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Control, not capacity, could be the next driver of US residential storage investment Investors are shifting focus from deployment growth to platforms that can orchestrate and monetize battery fleets.
Phoebe Skok
Apr 17, 2026
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Volkswagen announces vehicle-to-grid offering in Germany, soon wider Europe Registration will be possible from June, and the service will then be available from the fourth quarter under VW's Elli brand. The integrated offer consists of an electric vehicle, app, electricity tariff, smart meter, wallbox, and installation.
Sandra Enkhardt
Apr 17, 2026
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Researchers make significant advancement into thermal runaway-free sodium-ion batteries The development of a Polymerizable Non-flammable Electrolyte appears to have helped sodium-ion batteries towards a eureka moment for safety.
Tristan Rayner
Apr 10, 2026
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Netherlands: TenneT and GES ink landmark deal for 800 MWh “congestion mitigator” battery Dutch grid operator TenneT has signed a capacity control contract with Green Energy Storage (GES) for a 200 MW / 800 MWh battery, marking a shift in how the Netherlands manages its severely congested high-voltage grid.
Tristan Rayner
Apr 10, 2026

All Technologies news

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Peak Energy announces operation of first large-scale sodium ion battery in US Denver-based Peak Energy claims its sodium-ion battery system offers the lowest operating cost of any energy storage technology on the market today.
Marija Maisch
Sep 26, 2025
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Europe’s largest sodium-ion battery installation goes live Switzerland’s Phenogy has launched a megawatt-hour-scale sodium ion energy storage system at a commercial site near Bremen Airport in northern Germany. With this project, the Swiss manufacturer is making its debut on the European energy storage scene, backed by ambitions to develop fully vertically integrated local manufacturing.
Marija Maisch
Sep 25, 2025
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Global Solar Council launches first global trade association for battery storage The new body will attempt to drive manufacturing, deployment, and recycling of battery energy storage across the world, along with advocating for new technology such as grid-forming inverters.
Tristan Rayner
Sep 24, 2025
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Swiss membrane-free redox flow battery company lands $17m early-stage funding Thalwil-based Unbound Potential has secured a €14.4 million ($16.9 million) funding package for its nascent technology which includes €8 million of public grants.
Max Hall
Sep 22, 2025
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EVE Energy claims world’s first utility-scale deployment of 628Ah-cell batteries The Chinese heavyweight has set a new industry benchmark by deploying the first utility-scale battery storage project featuring 628Ah ultra-large cells and completing its first overseas deliveries.
Marija Maisch
Sep 22, 2025
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New wave of funding powers US battery tech and projects XL Batteries has secured backing to commercialize flow battery systems which use an organic electrolyte, rather than vanadium, and two utility-scale developers have landed extensive credit lines.
Max Hall
Sep 19, 2025
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While it’s easy to announce a battery gigafactory, it’s much harder to build one America’s battery factory build-out hinges on experienced operating teams.
Phoebe Skok
Sep 15, 2025
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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
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Polymer batteries could help protect the energy storage industry from copper tariffs As tariffs push copper costs higher, one startup thinks additive manufacturing could free batteries from the metal altogether.
Phoebe Skok
Sep 09, 2025

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