Commodity Demand — TAS1: Wednesday 27 May 2026

Tasmania's spot price sits at $97.99/MWh at 06:30 AEST with demand at 1,134 MW and climbing. The region is in the early stages of the morning ramp — demand has risen from a daytime trough of around 965 MW (reached during the 16:00–18:00 AEST window) and has been accelerating through the last six intervals, up from 1,065 MW at 06:00 AEST. That trajectory mirrors the sharp evening ramp seen in the overnight session, where demand peaked at 1,355 MW around 17:45–17:50 AEST and prices tracked between $98–$123/MWh through the morning peak. The price response to demand is visible but not extreme at current levels — the $87–$97/MWh floor held firmly through the midday and early afternoon trough, only breaking higher as demand cleared 1,270 MW on the way up. The notable exception was a single interval spike to $311/MWh at 08:20 AEST when demand was around 1,308 MW, pointing to intermittent supply tightness at elevated load levels rather than a sustained constraint.

Forecasts for the 07:00–08:30 AEST half-hours (21:00–22:30 UTC) point to prices in the $94–$127/MWh range, with the most recent pre-dispatch run at 06:01 AEST landing at $93.70/MWh for 07:00 AEST. That convergence suggests the market is pricing in a managed ramp rather than a stress event, though earlier forecasts for the same interval ranged as high as $187/MWh, indicating the outlook has been revised materially softer as the ramp profile became clearer. Further out, the 08:00–09:00 AEST window is forecast at $103–$152/MWh across multiple runs — the wider spread reflects uncertainty around where demand settles as heating load builds into the cooler morning. At 12.4°C with 5.6 units of heating demand and 73% cloud cover, residential and commercial space heating will continue driving load upward through at least 09:00 AEST.

The overnight session provided the key reference point for today's price-demand sensitivity. Between 08:00–09:30 AEST (22:00–23:30 UTC), demand held in the 1,290–1,320 MW band and prices consistently printed $130–$193/MWh, with several intervals above $150/MWh. That band — roughly 1,280–1,320 MW — is where supply tightness materialises and prices decouple from the $87–$100/MWh range that prevails below 1,270 MW. With demand currently at 1,134 MW and forecast to climb through the morning commute and heating peak, traders should monitor whether demand clears 1,280 MW during the 08:00–10:00 AEST window, which based on overnight behaviour is the threshold where prices have consistently moved above $130/MWh. The generation mix — hydro at 1,170.85 MW and wind at 14.25 MW, with gas OCGT offline — leaves limited short-term upside response capacity if demand presses toward the 1,320–1,355 MW range seen at yesterday's morning peak.