Akaysha Energy commenced full commercial operations of the 850 MW Waratah Super Battery in New South Wales. The 1,680 MWh facility is located at the former Munmorah power station site. The battery energy storage system provides critical dispatchable capacity and storage to the state electricity grid. The facility is actively serving as a shock absorber for the New South Wales network. Akaysha Energy reached final commercial operations at the site following its construction phase.
AEMO identified a foreseeable circumstance requiring intervention in South Australia from 10:00 on 29 September. The NEM spot price averaged $49.40/MWh, while South Australia averaged $34.50/MWh and recorded 12.7 hours of negative prices. The highest price reached $359/MWh in South Australia at 08:40, and New South Wales recorded the demand peak of 9,232 MW at 18:35. Renewables supplied 49.5 per cent of energy, peaking at 70.2 per cent at 09:25, with grid-scale batteries discharging 16,004 MWh. The total cost of frequency control ancillary services was $64,247.
The New South Wales government granted development consent for the 200 MWh Deniliqu