Commodity Demand — VIC1: Wednesday 27 May 2026

Victoria sits at 5,807 MW and $136.38/MWh at 06:30 AEST, with demand climbing steadily over the past 30 minutes from the overnight trough of around 4,576 MW recorded near 03:40 AEST. The correlation between demand and price across today's trading is direct and consistent: the overnight lull pushed prices to the floor near $103–$110/MWh, while the morning ramp is already translating into firming spot prices. At 9.7°C with 96% cloud cover and a heating demand index of 8.3, today is a typical cold May day — space heating loads are the primary demand driver, and there is essentially no solar contribution to suppress net demand through the middle of the day.

The day's demand arc mirrors the pattern visible across the full history dataset. The prior evening peak reached 7,176 MW at 08:00 UTC (18:00 AEST), at which point prices pushed to $198.43/MWh. The morning peak — which Victoria is now entering — typically runs from roughly 07:00 to 09:30 AEST and has previously printed above $200/MWh when demand clears 7,000 MW. With the current trajectory and cold weather conditions unchanged, a repeat of that 6,800–7,100 MW range through the 07:00–09:00 AEST window is the base case, and spot prices in the $180–$210/MWh band are the likely outcome for that period.

Forecast pricing for 07:00 AEST (21:00 UTC) sits at $148.60/MWh on the most recent pre-dispatch run, converging down from earlier forecasts as high as $249/MWh — indicating the market is progressively pricing out tail-risk as the dispatch window approaches. The 07:30 AEST (21:30 UTC) half-hour is forecasting $143.84/MWh on the latest run, though earlier runs had that period above $300/MWh. Demand-side managers with interruptible load should note that the 07:00–09:30 AEST window carries the highest price exposure for today. The Koorangie–Wemen 220 kV line outage (constraint set V-KOWE) remains active and constrains VIC interconnector flows, reducing Victoria's ability to draw on interstate capacity during peak demand — a factor that tightens the supply stack and amplifies price sensitivity to demand increments during the morning ramp.

After the morning peak, demand historically retreats through the middle of the day toward the 5,000–5,500 MW range as commercial activity plateaus and residential heating loads moderate — a pattern that pushed prices as low as $96.71/MWh in the early evening yesterday. The evening ramp from approximately 15:30–19:30 AEST will reassert upward demand pressure and lift prices back into the $160–$200/MWh range. Forecast prices for 16:30–18:00 AEST (06:30–08:00 UTC 28 May) are pencilled at $181–$183/MWh across multiple pre-dispatch runs, consistent with a demand level in the 6,800–7,100 MW range and the constrained interconnector environment.