Regional Outlook — NSW1: Tuesday 2 June 2026

The NSW spot price sits at $68.26/MWh as of 06:30 AEST, with total demand at 8,304 MW and rising as the evening ramp progresses. That current print sits above the approximate 24-hour average of ~$55/MWh, reflecting the typical winter evening demand climb. The session has seen a wide intraday range — prices dipped to a low of $28.07/MWh in the early afternoon trough before surging to a peak of $97.25/MWh during the morning peak around 07:25 AEST, with the day's most sustained elevated pricing occurring through the 06:00–08:00 AEST morning period as demand crested above 10,800 MW.

The generation mix at the latest trading interval (06:00 AEST) shows black coal contributing 4,364 MW, wind at 2,044 MW, hydro at 446 MW, solar at 100 MW, battery discharging at 85 MW, and gas OCGT at 23 MW. Combined wind, hydro, solar, and battery output sits at approximately 2,676 MW, giving a renewable penetration of 37.88% against total demand — consistent with the carbon intensity reading of 0.5459 tCO2/MWh. That intensity figure has eased from a daytime high near 0.578 tCO2/MWh (when demand was elevated and solar contribution was modest) and sits in a moderate range for a winter evening. Wind is the dominant variable-generation source, with solar output minimal at this time of day given 24% cloud cover and zero solar potential in current conditions. The overnight weather outlook for today shows a clear day ahead with a max of 19°C and average solar potential of 14.5 — solar output will build from mid-morning, which typically softens midday prices.

Pre-dispatch forecasts for the 07:00 AEST half-hour (21:00 UTC) are centring around $56–$68/MWh across recent runs, with the most recent 20:01 UTC forecast printing $56.06/MWh — suggesting the market expects prices to ease slightly from current levels as the evening ramp plateaus. The 07:30 AEST (21:30 UTC) interval is forecast more firmly in the $76–$86/MWh range across earlier pre-dispatch runs, pointing to a possible secondary spike as heating demand peaks and wind potential remains moderate at 10.9 km/h winds currently. Load window modelling indicates deep off-peak value from approximately 09:30–15:30 AEST, with forecast prices as low as sub-$1/MWh to negative territory — consistent with expected solar generation and lower weekday demand midday.

Two active market notices are directly relevant to NSW grid operations today. AEMO reclassified the Bayswater–Mt Piper No.5A3 500 kV and Wollar–Mt Piper No.5A5 500 kV lines as a credible contingency event due to lightning activity on multiple occasions across the trading day (notices 144185 and 144190), with the most recent cancellation (144193) issued at 21:14 UTC confirming lightning risk has passed and constraints have been revoked. Separately, the Armidale–Dumaresq 8C 330 kV and Armidale–Sapphire WF 8E 330 kV lines