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An grid-connected energy storage system using Elestor technology.

Elestor's flow battery

Large-scale, long-duration, scalable and affordable

Elestor's bromine-based energy storage solution and wind mills

For a decarbonised future

where long-duration energy storage replaces the power plants of the past

Our technology

With a minimal impact on Earth’s resources

due to the global abundance of hydrogen and bromine

Our solution
Solar park powered by Elestor's flow battery solution

To enable a fully clean energy system

that unlocks the true potential of solar and wind energy

About Elestor

This is the Long Duration Energy Storage flow battery

The technology is affordable and easy to scale, which means we can speed up the spread of Elestor flow batteries to store large volumes of electricity over long durations.

our technology
3D explanation of Elestor's flow battery
Elestor employees observing the Elestor technology

Get to know us

Find out why we dedicate our lives to a sustainable future and discover how we help shape a new, clean energy system that will improve everyone’s lives.

A close-up of Elestor's advanced flow battery technology

Discover our technology

Explore how flow batteries work, how hydrogen and bromine interact in our closed system, and why Elestor’s solution is better than rival technologies.

Elestor engineer optimizing the efficiency of energy storage

Work with us

Help us create long-term, affordable electricity storage solutions that will facilitate the transition away from fossil fuels to a new, clean energy system.


One year since winning Offshore Wind Innovators Awards

Elestor covered by TKI Offshore Energy: "How's Elestor faring, one year after winning both the Offshore Wind Innovators Jury and Audience Awards? We have a look at the innovators of renewable energy storage and the progress they made. Elestor offers an important element for a successful energy transition."

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Elestor secures top international scientists for its Technical Advisory Board

Arnhem, The Netherlands, May 21, 2024. Dutch long-duration electricity storage company Elestor has secured the participation of a prominent group of scientists and sector experts as members of its newly created Technical Advisory Board. “As a cutting edge technology company, we invest significant resources in research and development in order to ensure we remain ahead of rivals in the clean energy storage sphere,” said Guido Dalessi, CEO, Elestor. “This leadership position has enabled us to attract top international scientists to our Technical Advisory Board, which is obviously going to be 100% independent to preserve the integrity of its members and of their conclusions.”

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LDES: Hydrogen Flow Batteries with Guido Dalessi, CEO Elestor

For this podcast episode, we have a special guest, Guido Dalessi, CEO of Elestor. Listen as we delve into their unique Hydrogen-Bromine flow batteries, discuss LDES in the Europe, how to secure right partnerships, and Elestor's plans for growth. Kudos to {antokrator !

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3D explanation of Elestor's flow battery