1 https://www.pv-magazine-australia.com/2022/07/27/hornsdale-big-battery-begins-providing-inertia-grid-services-at-scale-in- world-first/ 2 https://www.lumea.com.au/news/wallgrove-grid-battery-operational 3 https://edifyenergy.com/energy-storage-systems/financial-close-on-the-largest-approved-grid-forming-battery/ 4 https://arena.gov.au/funding/large-scale-battery-storage-funding-round/ 5 https://aemo.com.au/-/media/files/electricity/nem/security_and_reliability/system-security-market-frameworks- review/2020/2020-notice-of-south-australia-inertia-requirements-and-shortfall.pdf?la=en