A binding constraint F_T+NIL_MG_RECL_R6 reached an exceptional marginal value of $162,400/MWh in the NEM, indicating severe scarcity in a specific part of the network. This constraint appeared multiple times across sequential intervals with substantially declining shadow prices, suggesting the binding condition eased progressively but remained active.
The extremely high initial shadow price indicates a physical limitation preventing power flow or generation dispatch in the affected region, with demand or supply imbalance creating acute scarcity rent. The rapid decline in the constraint's marginal value across subsequent intervals (from $162,400 to $24.87 to $18.67) suggests the underlying supply or demand condition that triggered the binding constraint was resolved or mitigated, though the constraint remained binding at lower scarcity levels.
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.