Flexible. Safe.  Sustainable.

Jena Flow Batteries is your partner for industrial energy storage solutions. Our resource-efficient, metal-free flow batteries enable safe and sustainable energy storage, advancing Europe’s energy transition. Our portfolio includes iron-chromium, vanadium, and organic flow battery systems for customized energy storage solutions. Leveraging our partnership with Suqian Time Energy Storage, we have access to gigawatt-scale production capacities – perfectly suited to meet the demands of high-performance applications and the growing need for stationary storage in a green future.

 

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Our Products

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Flow Battery Modules

 Flexibly configurable modules in a standard containerized design with capacities starting from 1 MWh. Ideal for the integration of renewable energy systems and as an entry point into flow battery technology. 

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AEM Water Electrolyzer

Anion exchange membranes (AEMs) and electrolyzers based on this technology play a key role in efficient hydrogen production.

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OEM Components

High-performance bipolar plates, felts, membranes, and stacks. Designed for flow battery manufacturers seeking reliable components to optimize their systems. Together, we will find the perfect solution for your needs.

Curious about our energy storage solutions? Reach out today!

Our experienced team is happy to assist you and address all your questions. Get in touch today for personalized advice!

Our Technology. Your Advantage.

Our flow battery is a sustainable energy storage system that stands apart from traditional batteries due to its unique design. Energy is not stored in solid electrodes, but in liquid electrolytes contained in separate storage tanks. These electrolytes are pumped through electrochemical cells where the charging and discharging processes take place. Active materials such as iron and organic compounds make the battery resource-efficient and sustainable.

 

  • No critical metals
  • Safe, thanks to non-flammable storage medium
  • Future-proof, expandable, and scalable in power and capacity
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Powering a Wide Range of Applications

Efficient Energy Management

Long duration energy storage, peak shaving, power grid support

Fast Response for Grid Stability

Ancillary services, frequency regulation

Climate Protection

Reduction of CO₂ emissions, optimized renewable integration

Optimizing Energy Flows for Economic Efficiency

Self-consumption, energy arbitrage, green PPAs

The ultimate solution for businesses committed to green technologies and sustainable resources.

Versatile Technology for Various Industries: Energy storage for photovoltaic and wind farm operators, infrastructure providers, utilities, hydrogen producers, and many more.

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NEWS

 

Meet us at ees Europe 2026 in Munich. 

We are excited to announce that Jena Flow Batteries will be exhibiting at ees Europe 2026, part of The smarter E, from June 23 to 25 in Munich. Visit us at booth B2.610.

As a platform provider for long-duration energy storage and hydrogen, we combine Redox Flow Battery systems across multiple chemistries with AEM electrolysis, enabling flexible, scalable solutions from a single source.

Meet our team to explore how different electrolytes, including iron-chromium, and integrated system design translate into reliable, safe, and cost-efficient applications for real-world projects.

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Uniper and Jena Flow Batteries are working towards a strategic partnership 

Uniper has taken the first step in a planned collaboration with Jena Flow Batteries. Together, we aim to explore and scale long-duration energy storage, a key enabler of a renewable energy system. 

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Jena Flow Batteries at IFBF 2025 in Vienna

The participation at the International Flow Battery Forum (IFBF) in Vienna was a great event for us. We thank the IFBF team for the excellent organisation and are excited to be part of this forward-thinking community shaping the energy sector sustainably.

 

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Meet Jena Flow Batteries at EES Europe 2025 in Munich!

We’re excited to announce that Jena Flow Batteries will be exhibiting at EES Europe, from May 7–9, 2025 in Munich, Germany!