The October 2026 release caps flows on AEMO's secure transfer limits, such as 2,790 MW on the southern approach into Sydney in 2026

New South Wales transmission network, with nodes by ISP sub-region
Northern New South WalesCentral New South WalesSydney, Newcastle, WollongongSouthern New South WalesHighlighted flow pathTransmission lineNSW border
Source: AEMO 2026 IASR and 2026 ISP, Modo Energy
Note: Highlighted lines form the Central NSW to Sydney, Newcastle and Wollongong southern flow path. Summer-typical secure limit, 2,790 MW towards Sydney and 2,540 MW away in 2026, rising as planned network augmentations are commissioned. The forecast applies 19 such flow paths across the NEM.
MODOENERGY