Grid Forming at Onsdale

The grid forming capability has been implemented at Onsdale in July last year. It's a massive change in the way you operate a battery or any generator. The Hornsdale Power Reserve can... I can't quite remember what the number is now. Is it 30 or 40% of the system's strength needs or South Australia? Yes, of South Australia. We need batteries and we need the tools to be able to do that. Grid forming is one of those important tools.