What is R.Flo's energy storage solution?

CAPEX <120 €/kWh

Up to 20 hours capacity

50 years battery lifespan

25 000 cycles

1% lifetime degradation

Download Data-Sheet

Download Data-Sheet

It’s an Iron Flow Battery inside a shipping container. Which you can stack to GWh-scale

It’s All-Iron Redox Flow Battery

Inside a shipping container

Which can be scaled to 100 mWh – 5 gWh (~2030)

But better compare real end-value.

Not different kinds of apples

If you already have a real offer from other technology providers, we can model the real market operation results for your situation.

You will have IRR, DPP, PI for the project, not just battery or cells cost.

Book a personal estimate

Book a personal estimate

Answers to commonly
asked questions

01

How is the R.Flo product customized for specific applications?

The product is modular, with independent scaling of power (determined by the number of flow battery stacks) and energy (determined by electrolyte tank size). This flexibility allows customization for various use cases, from grid balancing and renewable energy integration to microgrids and industrial backup.

02

What is the expected lifecycle of the product?

Our system is designed for 20+ years of operation with no capacity degradation, thanks to its use of durable materials and a non-degrading electrolyte. This longevity results in lower total cost of ownership compared to conventional batteries.

03

What is the footprint of the R.Flo system?

A standard 125 kW/1.5 MWh system requires about 60 square meters of space, including the energy storage tanks and the battery stacks. The modular design ensures efficient use of available space.

04

How does the R.Flo product integrate with renewable energy systems?

Our product seamlessly integrates with solar, wind, and other renewable energy systems, storing excess generation and discharging during peak demand. Its fast response time and flexible power output make it ideal for smoothing intermittencies and enhancing renewable penetration.

05

What are the key business benefits of the R.Flo system?

Cost savings. Competitive Levelized Cost of Storage (LCOS) of around $60–$80 per MWh, depending on configuration.

Energy independence. Reliable long-duration storage for off-grid and microgrid applications.

Environmental compliance. Sustainable and recyclable design aligns with decarbonization goals.

06

What are the deployment options for the R.Flo system?

We offer flexible deployment configurations, including containerized solutions for easy transportation and plug-and-play installations, as well as customizable on-site setups for large-scale, long-duration storage projects.

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