A binding constraint (F_S+SETB_L1) with a shadow price of $235/MWh has activated in the NEM, indicating significant scarcity value in that part of the network. This is the dominant constraint in the current dispatch, with substantially higher marginal value than secondary binding constraints (F_T+NIL_MG_R6 at $11.45/MWh).
The high shadow price on the F_S+SETB_L1 constraint indicates that electricity supply in that region is severely restricted relative to demand, forcing the market to ration available capacity. The presence of multiple secondary binding constraints suggests network congestion across multiple transmission paths, which in combination with the primary constraint's intensity suggests either reduced generation availability, elevated demand, or transmission capacity limitations preventing efficient energy flows across the constrained region.
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.