Regional Outlook — NSW1 — Thursday 30 April 2026

The NSW1 spot price sits at $78.07/MWh at 06:25 AEST, with total demand at 7,572 MW and climbing as the morning ramp progresses. Reviewing the 24-hour price arc, the region traded as low as $0.97/MWh in the early overnight hours (around 12:40 AEST) before lifting steadily through the pre-dawn period into the $39–$65/MWh range through the business day, then stepping up again into the high $70s–$80s as the evening demand peak builds. The prior 24-hour range has been wide — a single-digit floor to an intraday high of $87.46/MWh at 17:40 AEST — reflecting the classic autumn demand profile with a pronounced morning and evening ramp on either side of a mid-afternoon solar trough.

The generation mix is heavily weighted to black coal, which is supplying 5,094.8 MW — the dominant source on the grid at this interval. Wind is contributing 178.6 MW and solar 143.0 MW, together accounting for approximately 5.94% renewable penetration. Hydro, gas CCGT, and gas OCGT are all recording zero dispatch at this trading interval. Carbon intensity sits at 0.8278 tCO2/MWh, consistent with the coal-heavy mix that has characterised the region throughout the day; the intensity reached a daily low of 0.7503 tCO2/MWh in the 10:10–09:25 AEST window when renewables briefly pushed above 13–14%, before coal reasserted as solar output faded and demand lifted through the peak periods. Today's forecast solar potential is moderate (avg 12 out of 100 index), with partly cloudy skies (avg 25% cloud cover) and a mild max of 21.9°C, suggesting renewable penetration will tick up marginally through the middle of the day but is unlikely to substantially suppress prices.

Predispatch forecasts for the 07:00 AEST half-hour are clustering around $76.99/MWh, and the 07:30 AEST target is being forecast consistently at $76.99/MWh across multiple dispatch runs, indicating the market expects prices to hold in the mid-to-high $70s through the morning peak. There is no evidence of forecast price spikes into the hundreds, but equally no retreat to mid-$50s until demand softens later in the morning. The load window data confirms the cheapest periods of the day sit between 09:30 and 13:30 AEST (forecasts sub-$25/MWh to near-zero or negative in some windows), consistent with expected solar generation midday.

Two market notices are directly relevant to NSW today. AEMO issued a non-conformance notice for unit **BW03** (Bayswater unit 3) for the period 15:10–15:15 AEST today (1 May 2026), with a deviation of -80 MW under constraint NC-N_BW03 — this is a black coal unit at Bayswater power station in the Hunter Valley. The non-conformance is short-duration but warrants monitoring given BW03's scale within the NSW black coal fleet; any extended deviation would tighten supply margins during the morning ramp. Additionally, an active inter-regional transfer limit notice (Market Notice 144013) remains in force: the QNI interconnector is restricted due to