Tasmania experienced a major constraint binding event with marginal value of $8.352 million on constraint T_BLINK_TV_NGZ during the early morning period of 14 July 2026. Regional energy prices escalated from $0.16/MWh to a peak of $3.97/MWh across the five-minute settlement intervals, indicating significant scarcity pricing driven by the binding constraint.
The binding constraint T_BLINK_TV_NGZ with an exceptionally high shadow price of $8.352 million was the primary driver of the price volatility and scarcity conditions in TAS1. The constraint remained active throughout the event period alongside several additional binding constraints including F_TASCAP_RREG_0220, F_MAIN+RREG_0220, and F_T+RREG_0050, indicating multiple simultaneous network limitations that restricted available capacity despite substantial hydro generation (827–1047 MW) and wind generation (384–446 MW) in the region.
Causal analysis generated by gridIQ's synthesis model from live AEMO market data: dispatch prices, generation mix, interconnector flows and market notices in the interval surrounding the event.