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RedFlow signs energy storage deal with Ergon Energy

Redflow has signed a deal with a major Australian power provider that will give many investors and potential commercial partners a closer look at the company’s energy storage technology in action.


RedFlow (ASX:RFX) has secured important market exposure for its energy storage technology by signing a demonstration agreement with one of Australia’s leading utilities.

The agreement with Ergon Energy will establish an on-grid demonstration of a RedFlow energy storage system integrated with community-scale solar PV.

The system will comprise 48 RedFlow zinc-bromide flow batteries (ZBM) in a containerised large-scale battery solution (LSB) producing 100kW and 480kWh of energy matched to an ABB PCS100 inverter.

The complete system has already been built and tested by RedFlow and delivery to Ergon and is expected within the next few weeks.

Ergon supplies electricity to over 733,000 customers across a vast operating area of over 1 million square kilometres, which is about 97% of the state of Queensland.

This extends from the expanding coastal and rural population centres to the remote communities of outback Queensland and the Torres Strait.

About zinc-bromide flow batteries

RedFlow’s ZBMs provide high energy density at 8kWh -11kWh and have a small footprint and represent the foundation of the company’s product range.

The batteries boast a robust and versatile design that is ideal for storing and shifting renewable energy, managing peak grid load and supporting off-grid power systems and telecommunications.

Contrary to the bulky vanadium storage products that use large tanks, ZBMs are small compact modular units measuring 33 inches by 32 inches by 16 inches that can deliver 10 kilowatt hour day in and day out each and every day.

Although RedFlow IP was developed in Australia, the company’s flow batteries are available globally through manufacturing partner Flextronics (NASDAQ:FLEX), a California-based manufacturing and supply chain solutions provider operating in more than 100 manufacturing plants in 30 countries.

This collaboration has resulted in ZBMs becoming the first flow battery globally to enter large scale production.


The agreement with Ergon will allow RedFlow to demonstrate its market leading flow battery technology by providing high-density energy storage solution with a small footprint.

Further proliferation of RedFlow technology is underpinned by the rapidly growing global energy storage market, which will support early movers such as RedFlow with immediate commercial benefits.

The company has confirmed the commercial viability of its technology in this space with more than 10 years and $50 million of research and development, in-field testing and demonstration work.

Proactive Investors Australia is the market leader in producing news, articles and research reports on ASX emerging companies with distribution in Australia, UK, North America and Hong Kong / China.

Quick facts: RedFlow Ltd


Price: 0.064 AUD

Market Cap: $89.4 m

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