A significant binding constraint event occurred in the NEM with constraint F_T+LREG_0050 displaying an exceptionally high shadow price of $232,000 per MWh, indicating severe scarcity in the constrained region. This extreme marginal value substantially exceeded other concurrent binding constraints, which ranged from $3.52 to $71.25 per MWh.
The $232,000 shadow price on constraint F_T+LREG_0050 reflects a critical supply-demand imbalance within the constrained region, where available generation capacity was insufficient to meet demand while respecting the constraint equation. The presence of multiple other binding constraints with substantially lower marginal values suggests the F_T+LREG_0050 constraint was the primary bottleneck limiting supply into the affected area during this dispatch interval.
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.