A binding constraint (F_T+LREG_0050) reached an exceptional shadow price of $232,000/MWh in the NEM, indicating severe scarcity in the constrained element. This represents a major market event with the constraint remaining binding across multiple dispatch intervals at significantly elevated marginal values.
The extremely high shadow price suggests the binding constraint was active during a period of tight supply relative to demand within the constrained region, forcing AEMO to curtail dispatch and impose significant costs on the market. The presence of this constraint binding across consecutive intervals at progressively lower marginal values indicates the scarcity condition persisted but eased gradually, consistent with either supply-side constraints tightening during peak demand or transmission element limitations restricting power flows.
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.