commodity demand nsw — NSW1
NSW spot price sits at $134.89/MWh with demand at 8,118 MW, placing the region firmly in the evening demand recovery phase. The day's demand profile tells a clear structural story: from a trough of around 5,670 MW in the early hours (AEST), demand climbed steeply through the morning peak, touching 9,708 MW at 17:08 AEST before easing through the solar-supported midday period to a secondary low near 6,550–6,600 MW in the mid-afternoon. The current evening ramp — up roughly 1,600 MW from that afternoon low — is driving prices back above $130/MWh, consistent with the loss of solar generation as the sun sets and residential load comes on. Black coal is carrying 6,308 MW of that load, with hydro contributing 532 MW and wind and solar a combined 114 MW, leaving renewables at just 9.3% of the generation mix.
Price sensitivity to demand is stark across today's data. When demand sat below 6,000 MW overnight, prices repeatedly printed single digits and sub-$1/MWh, reflecting coal units on minimum load with nowhere to dispatch marginal energy. The morning ramp from ~7,700 MW to the 9,400–9,700 MW business-day peak pushed prices consistently into the $100–$125/MWh band, with a brief spike to $147/MWh at 06:40 AEST. The afternoon solar-driven demand suppression pulled prices back to the $80–$100/MWh range even as nominal demand held above 6,500 MW — illustrating that it is net demand on thermal plant, not gross demand, that sets the price. With solar now zeroed out and cloud cover at 97%, there is no renewable buffer for tonight's ramp, and prices are responding accordingly.
The forward outlook points to a further demand build tonight before the overnight trough resets conditions. Forecasts for the 07:00 AEST trading period were pinned in the $107–$115/MWh range earlier in the day, suggesting the market expected prices to moderate from current elevated levels as the peak passes. Load shift windows in the data confirm the overnight valley around 08:00–09:00 AEST as the optimal low-cost window, with prices forecast as low as $10–$12/MWh — a saving of over $120/MWh against the current spot. Demand-side managers with flexible load should be positioning now to capture that arbitrage. The Bannaby–Mt Piper 500 kV contingency reclassification (since cleared) earlier today added inter-regional flow constraints during the morning peak; no equivalent NSW network constraint is active at present, so the current price elevation is pure demand-driven rather than constraint-driven.