Power the future with efficient, sustainable and safe energy storage

"We are pleased to be making an investment in what we view as a very promising technology. We believe long duration storage will ultimately play an important role in the energy mix.”

Greg Jarvis, Head of Energy Supply and Operations, Origin Energy

Our Products

Are high performing

These are batteries that outperform all competitors on all key metrics including round trip efficiency and energy density

Are sustainable

Made entirely from common materials, these have no rare elements and no complex supply chains.

Are fully recyclable

End-of-life processing is enabled by using materials that are completely recyclable.

Are low cost

With the lowest upfront cost and levelised cost of storage of all products on the market, these batteries are affordable, durable, easily maintained, and scalable.


Join us on our mission

Our mission is to radically accelerate the transition to a world powered by plentiful, cheap, clean energy. Talk to us today about your project to find out how our technology can help you reach your energy goals.

Contact us


By applying our technology to a variety of industries, we help lower emissions, increase energy independence, and improve the performance of storage systems.


Latest updates about our technology in the media.

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Origin Energy

Allegro Energy, a battery cleantech, is proud to announce that Origin Energy has taken a 5% equity ...

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The Australian

We are thrilled to have made it on The Australian's list of Green Power Players 2023 ...

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Climate Salad

Allegro Energy is building world leading new Redox Flow Batteries (for utility scale energy storage ) ...

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Photo by Qingbao Meng on Unsplash


EnergyLab’s 2022 Climate Solutions Accelerator has selected 10 Australian startups ...

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PV Magazine

Aussie startup invents breakthrough non-toxic battery electrolyte that’s cheaper ‘by factor of 100’ ...

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ASX Green Energy Stocks: Renu Energy nabs 5% stake in Allegro Energy ...

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Get in touch

Talk to us today about your project to discover how our technology can help achieve your energy goals.

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