Regional Outlook — NSW1: Saturday 23 May 2026
The NSW spot price sits at $76.94/MWh at 06:30 AEST with total demand at 6,633 MW — a notably quieter Sunday load profile compared to the morning peaks above 9,300 MW seen earlier today. The 24-hour price trend tells a clear story: prices were soft overnight, bottoming below $10/MWh in several intervals between 02:00–04:00 AEST, before surging through the morning peak to a high of $105.41/MWh at 18:00 AEST, then easing back through the afternoon and evening as demand fell away. The current $76.94/MWh sits broadly in line with the late-evening trading range that has persisted since around 05:30 AEST.
The generation mix at the latest trading interval is dominated by black coal at 4,466 MW, with wind contributing 735 MW and hydro 541 MW. Gas (both OCGT and CCGT) is contributing zero MW, and solar output is effectively nil at 0.01 MW given the overnight/early-morning timing. Total visible scheduled generation sits at approximately 5,743 MW against 6,633 MW demand, with the balance accounted for by interconnector flows and unscheduled generation. Renewable penetration stands at 22.22% — down substantially from the overnight high of around 53% when wind was carrying a larger share of a lower demand base. Carbon intensity is 0.6844 tCO2/MWh, up from overnight lows around 0.41 tCO2/MWh as wind's proportional contribution has diminished against higher coal dispatch through the day.
Predispatch forecasts point to a softening price trajectory over the next few hours. The 07:00 AEST (21:00 UTC) interval is forecast at $80/MWh in the most recent predispatch run, while the 07:30 AEST interval is tipped around $74–$75/MWh, and the 08:00 AEST interval is forecast near $40–$42/MWh — consistent with overnight demand falling away and cheaper baseload setting the price. The 09:00 AEST and 09:30 AEST windows are forecast in the $23–$38/MWh range, suggesting a sustained low-price period through the pre-dawn hours. Demand-shifting opportunities are rated "excellent" across multiple intervals from 08:30–10:30 AEST, with the 09:30 AEST window offering forecast prices near $23.88/MWh. Today's mild conditions — a current temperature of 14.9°C, near-zero wind, and 47% cloud cover — align with a low heating demand of 3.1 units and no material cooling load, supporting the expectation of subdued overnight demand.
The most operationally relevant active market notice for NSW traders is the AEMO Market Intervention in the SA region commencing from the interval ending 04:05 AEST on 24 May 2026 (Market Notice 144136). AEMO has issued a direction to an SA participant and declared an intervention event; intervention pricing does not apply. While this notice directly targets SA, it has potential flow-on implications for VIC-SA and VIC-NSW interconnector dynamics — traders with exposure to cross-border flows should monitor for any secondary constraint invocations. An earlier NSW-relevant power system event (Market Notice 144117) related to the Upper