Commodity Demand — NSW1: Wednesday 27 May 2026
NSW spot price sits at $138.94/MWh with demand at 7,744.94 MW as of 06:30 AEST — a mid-range load level that reflects the post-morning-peak settling pattern typical of a Thursday in late autumn. The demand trajectory through today's session tells a clear story: demand climbed from a low of around 6,560 MW in the mid-afternoon trough to a morning peak of 9,602 MW around 18:45 AEST, and prices tracked that ascent closely, with spot touching $237.69/MWh at the 08:45 AEST peak demand interval. The current $138.94/MWh price is consistent with the demand level sitting roughly 1,850 MW below today's peak, and the directional relationship between the two series has been tight throughout the session — each step up in demand above 8,500 MW consistently pushed prices into the $200–$232/MWh band, while the afternoon trough below 7,000 MW saw prices compress into the $110–$120/MWh range.
The overnight-into-morning demand rebuild is now underway, with demand rising from 6,640 MW at 05:00 AEST to the current 7,745 MW. Forecast pricing for the next several intervals — the 07:00 and 07:30 AEST windows — sits in the $147–$175/MWh range, consistent with demand continuing to build toward the morning business peak. The generation mix at 06:30 AEST shows black coal at 5,434 MW, wind at 1,267 MW, hydro at 1,226 MW, gas CCGT at 190 MW, solar at 100 MW, and battery at 2 MW, with renewables at 31.57% and grid carbon intensity at 0.5932 tCO2/MWh — the lowest reading in the 24-hour history, reflecting increased wind and hydro output as overnight demand was lower and thermal dispatch was moderated.
Forecast prices for the 08:30–09:30 AEST window — which corresponds to the expected morning demand peak of roughly 9,000–9,600 MW based on today's established pattern — are signalled in the $177–$178/MWh band across multiple pre-dispatch runs. That represents a softer peak pricing outcome than this morning's actuals, where demand above 9,200 MW pushed prices to $190–$232/MWh. The 98% cloud cover today constrains solar to near-zero contribution (100 MW at 06:30 AEST), which removes the midday demand suppression effect that would ordinarily ease load from around 09:00 AEST. This means the morning peak is likely to hold elevated demand levels for longer than on a clear winter day, keeping upward price pressure intact through the 09:00–10:00 AEST window. Traders should note the AEMO contingency reclassification for the Bayswater–Mt Piper and Wollar–Mt Piper 500kV lines due to lightning earlier in the session has since been cancelled with no constraint sets invoked, so no binding network limits from that event remain in play.