A binding constraint (F_T+LREG_0050) in the NEM reached an exceptionally high shadow price of $232,000/MWh, indicating severe scarcity in the market. This represents a major constraint event with the primary binding constraint delivering a marginal value approximately 67,000 times higher than the secondary binding constraints, which ranged from $3.44 to $3.46/MWh.
The extreme shadow price on F_T+LREG_0050 reflects a significant supply-demand imbalance within the region affected by this constraint, likely driven by a combination of limited generation availability or transmission capacity relative to demand requirements. The substantial margin between this constraint's value and all other binding constraints suggests a specific bottleneck with minimal alternative supply paths, forcing the market to clear at a price determined by the marginal constraint rather than by broader system conditions.
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.