A binding constraint F_S+SETB_L1 with a high shadow price of $235/MWh has become active in the NEM, indicating significant scarcity value in the affected network element. This constraint is materially more binding than other active constraints in the region, which have marginal values ranging from $2.91 to $50/MWh.
The high marginal value of $235 on constraint F_S+SETB_L1 indicates that the constraint is severely limiting transfer capacity in that network path, creating a locational scarcity premium. This elevated shadow price reflects tight supply conditions relative to demand in the constrained region, whereby meeting demand would require dispatching more expensive generation or managing load to relieve the binding constraint.
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.