Commodity Demand — QLD1: Saturday 6 June 2026
Queensland spot price sits at $105.50/MWh with demand at 5,996 MW as of 06:30 AEST this morning. That current reading is well below the overnight-into-morning peak of 7,419 MW reached around 17:55 AEST Saturday, when prices were clearing consistently in the $100–$115/MWh band. The pattern through today's data is tight: every time demand crosses the 7,000 MW threshold, prices lock in above $100/MWh, and the relationship holds in reverse — when demand fell to its overnight trough near 3,600–3,700 MW between roughly 12:00–16:00 AEST, prices collapsed to near-zero and briefly went negative (reaching -$2.50/MWh around 14:10–14:20 AEST). The price elasticity across today's demand range is pronounced, with the $80–$90/MWh band acting as the threshold zone between roughly 5,400–6,000 MW.
The demand trajectory from here is the key price driver for the rest of the day. The morning ramp already underway — demand has climbed from ~4,000 MW at midnight to just under 6,000 MW now — will continue as Brisbane temperatures start from 11.2°C with a maximum forecast of 21°C, sustaining moderate heating demand (index 6.8) through the morning. Forecasts for the 07:00 AEST interval target $105.68/MWh, consistent with the current price level, and the 07:30 AEST forecast sits at $104.40/MWh, suggesting the market expects demand to hold in the upper-5,000 to low-6,000 MW range rather than push back to the 7,000+ MW peak seen during Saturday morning's business-day period. Today is Sunday, which structurally caps peak demand relative to weekday levels.
The afternoon price outlook is softer. Demand is expected to ease through mid-morning as the heating load moderates and the winter sun, while modest (solar potential 15.6 average for today), contributes marginally around midday. Load window forecasts for this evening point to prices in the $40–$80/MWh range from 08:30–09:30 AEST and sub-$25/MWh through the 09:00–10:00 AEST window, with prices returning toward near-zero during the overnight trough from roughly 10:30 AEST onward. The Sunday demand profile means the market is unlikely to revisit the $110–$118/MWh spikes seen during Saturday morning's 07:00–12:30 AEST high-demand window unless an unexpected cold snap drives heating load beyond current forecasts.
No Queensland-specific network constraints are currently active that would distort the demand-price relationship. The WOOLGSF1 non-conformance notices from Saturday (up to 69 MW deviation) are resolved within the settlement record and carry no forward constraint implication. With cloud cover at just 5% and wind potential low at 1.6, solar will provide limited midday relief today and wind output is unlikely to displace dispatchable capacity materially — meaning demand remains the primary price signal for the remainder of the day.