Commodity Demand — NSW1: Monday 11 May 2026

NSW spot price is $103.37/MWh at 07:30 AEST with demand at 7,793 MW and climbing. The price-demand relationship across today's data is unambiguous: when demand pushed above 9,000 MW during the morning peak (06:20–08:55 AEST), prices held in the $91–$116/MWh range, with the intraday high of $116.06/MWh coinciding with demand reaching 8,818 MW at 07:00 AEST and a subsequent 9,491 MW at 07:55 AEST. As demand eased through the middle of the day to a trough near 6,450–6,500 MW between 16:30 and 18:00 AEST, prices compressed into the $66–$80/MWh band. The current interval marks the beginning of the evening demand ramp, with load rising from 6,472 MW at 18:00 AEST to 7,793 MW now — a gain of 1,321 MW in 90 minutes — and price responding in near-lockstep, moving from $70/MWh to $103.37/MWh over the same window.

Forecast prices for the 21:00 AEST interval cluster tightly between $89 and $110/MWh across 35 runs, pointing to continued price firmness as demand tracks toward what the morning session demonstrated is the critical 8,500–9,500 MW zone where market depth thins and prices respond sharply. The 21:30 AEST forecast band is wider — $111 to $129/MWh — consistent with demand historically peaking in that window on autumn weekday evenings before easing through overnight hours. Load windows flag $56/MWh pricing available from 08:30 AEST tomorrow, falling to sub-$24/MWh in the overnight trough (00:30–04:30 AEST), underlining the steep diurnal price gradient that defines this market at this time of year.

Two demand-side factors from market notices are worth tracking. The Wagga–Dinawan 330 kV double circuit commissioned on 9 May adds transmission capacity on the southern NSW corridor, which marginally improves the region's ability to absorb flows under high-demand conditions. The ongoing Directlink No. 3 leg outage (constraint set N-MBTE_1 active since 5 May) constrains the N-Q-MNSP1 interconnector, limiting NSW's ability to import from Queensland at the margin — a factor that tightens the supply stack when NSW demand is rising into the evening peak. With temperatures forecast to reach only 20.8°C today and overnight demand unaffected by cooling load, the evening price spike risk centres on generation stack tightness rather than weather-driven demand overshoot.