Redflow to Supply ZBM3 Zinc-Bromine Flow Batteries for New Australian Grid Support Project

July 12, 2026

Company Press Release / Australian Energy News Australia

Overview

Redflow announced it will supply its ZBM3 zinc-bromine flow batteries for a new Australian grid support project. This initiative aims to enhance renewable energy integration and grid stability. Redflow’s batteries are known for their robustness in high-temperature environments and long cycle life, making them suitable for Australia’s demanding conditions. This supply contract is a significant validation of the company’s flow battery technology for grid-scale applications.

In Depth

Key Findings

Redflow, an Australian energy storage technology company, has announced a significant contract to supply its flagship ZBM3 zinc-bromine flow batteries for a new grid support project within Australia. This supply agreement underscores the recognition of Redflow’s flow battery technology as a crucial solution for large-scale renewable energy integration and power grid stabilization. While specific project details remain undisclosed, the selection of ZBM3 batteries highlights their high performance and suitability for demanding grid applications.

Technical / Clinical Details

Redflow’s ZBM3 battery is a redox flow battery utilizing zinc and bromine as electrolytes. Unlike common lithium-ion batteries, it uses a non-flammable aqueous electrolyte, inherently offering superior safety. Furthermore, this battery’s unique design allows for independent scaling of battery capacity and power output, making it optimal for long-duration energy storage ranging from several hours to multiple days. Critically, the ZBM3 exhibits minimal performance degradation in high-temperature environments and maintains robust performance even after repeated 100% depth-of-discharge cycles. This resilience provides excellent reliability for grid support applications demanding 24/7 continuous operation.

Background & Context

Australia is actively pursuing a transition to renewable energy, leveraging its abundant solar and wind resources. However, the intermittency of these sources poses pressing challenges for ensuring power grid stability and reliability. There is a particularly strong demand for long-duration energy storage solutions, especially in remote areas and for local microgrids. Redflow’s zinc-bromine flow battery is designed to withstand Australia’s harsh climatic conditions, including high temperatures, perfectly aligning with these regional needs. This supply contract represents a critical step towards achieving the nation’s clean energy targets.

Strategic Significance & Outlook

The supply of ZBM3 batteries for this project will play a pivotal role in establishing Redflow as a leading supplier in both the Australian and international grid stabilization markets. The project’s success will further demonstrate the reliability and economic viability of zinc-bromine flow battery technology, paving the way for future large-scale deployments. Redflow is expected to leverage operational data from this project to optimize its products and accelerate market expansion, contributing significantly to the global proliferation of long-duration energy storage solutions. The company’s technology holds the potential to become a vital backbone for expanding renewable energy integration.

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