“The firming tender opens on 2 October, and ASL wants to see every project that can meet the tender requirements participate. Plans to launch the 500MW firming tender were announced in late July 2025 at the Clean Energy Council’s Australian Clean Energy Summit 2025 in Sydney. The tender is open to projects across NSW, prioritising those within the Sydney-Newcastle-Wollongong sub-region. The target tender size of 500MW is indicative, with ASL retaining discretion to support greater or lesser volumes based on bid merit. Battery procurement forms a central component of Transgrid’s AU$8.8 billion (US$5.82 billion) system strength blueprint for the state.