Commodity Demand — NSW1: Tuesday 8 September 2026
NSW demand sits at 8,034 MW as of 06:30 AEST, with spot price at $89.89/MWh, up from an overnight trough near 5,500 MW and sub-$45/MWh through the 12:00-05:00 AEST period. The morning ramp is well underway: demand climbed from 6,208 MW at 10:00 AEST last night to over 9,200 MW by 08:30-08:55 AEST this morning, and price responded sharply — RRP spiked from $46/MWh to a session peak of $190.84/MWh at 07:30 AEST as demand crossed 8,500 MW. This confirms a steep price-demand gradient in the 7,500-9,000 MW band, where each ~300-400 MW increment is adding $20-40/MWh to spot price as thinner-margin plant is dispatched.
Demand has since eased back from the 9,200 MW morning peak to the current 8,034 MW, with price cooling proportionally from the $140-165/MWh range (08:00-08:30 AEST) down toward the high-$80s/MWh. This afternoon trough pattern is typical for a NSW business day: expect demand to bottom around 7,000-7,400 MW mid-afternoon (14:00-16:00 AEST) with prices easing to $65-75/MWh, based on today's forecast curve showing $55-63/MWh for the 15:00-16:30 AEST window. The evening ramp back toward 7,000+ MW from 18:00 AEST is already forecast to push prices back to $57-58/MWh by early evening, a much softer peak than this morning's — consistent with cooler overnight temperatures (10.1°C currently, heating demand at 7.9) rather than aircon-driven summer peaks.
Forecast RRP for the remainder of today shows a second, smaller price peak around 08:00 AEST tomorrow morning ($108.74/MWh forecast) as the same demand ramp pattern repeats, while overnight prices tonight are forecast to turn negative (-$1 to -$3/MWh between 00:00-02:00 AEST tomorrow), reflecting low demand combined with wind and rooftop solar contribution. On the supply side, generation mix at 20:25 AEST shows black coal carrying 4,608 MW of the load, with wind at 694 MW, battery discharge at 639 MW and hydro at 441 MW filling the shoulder gap — carbon intensity has fallen to 0.6315 tCO2/MWh as renewable penetration recovers to 28% into the evening ramp, down from a low of 8.6% renewables at 16:55 AEST when coal dominated the afternoon peak. No demand-side market notices for NSW today — the active AEMO interventions and directions are concentrated in SA (voltage support directions to Torrens Island) and don't carry direct NSW demand or price implications, though traders should note the Bayswater-Mt Piper 500kV line reclassification event from 5 September has since been cancelled, removing that transmission constraint risk.