A binding constraint (F_T+RREG_0050) reached a notably elevated shadow price of $1002.29/MWh in the NEM, indicating significant scarcity in the constrained element. The same constraint identifier appears across five binding constraint instances with marginal values ranging from $1002.29 down to $3.46/MWh, suggesting variable binding pressure across different dispatch intervals or regions.
The high marginal value of $1002.29 on binding constraint F_T+RREG_0050 indicates that the constrained element was severely limiting dispatch during this period, creating substantial economic scarcity. The presence of the same constraint with materially lower shadow prices in subsequent binding constraint instances suggests that the extreme scarcity was either transient or concentrated in a specific dispatch interval, with constraint pressure easing as system conditions changed.
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.