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Australia2025-12-04en

The Liddell Battery Energy Storage System Development and Grid Connection Report

Summary

Australia's National Electricity Market (NEM) faces the challenge of integrating high levels of renewable energy while maintaining system stability due to lower inertia. The AGL Liddell Battery Energy Storage System (BESS) project addresses this by demonstrating grid-forming inverter technology, a 500 MW / 1000 MWh battery, focusing on its development and grid connection to support a low-inertia network. The project is currently in progress, with detailed modeling and simulation confirming the control design's ability to meet performance standards and provide enhanced stability services.

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