Monday 26 October 2026
Trading day 2026-10-26
SA records 16 hours of negative prices as NEM average hits $84.5
Regional average prices ranged from $73.5/MWh in TAS to $100.7/MWh in QLD, with no regions recording cap intervals. SA experienced 16.0 hours of negative prices, and VIC recorded 13.2 hours.
QLD recorded the highest demand peak of 8476 MW at 18:20, and NSW reached a peak demand of 8380 MW at 17:55.
Coal contributed 47.6 per cent of the generation mix, followed by rooftop solar at 18.0 per cent and wind at 13.3 per cent. The renewable share averaged 47.3 per cent, while batteries discharged 16961 MWh with a net position of negative 3577 MWh.
The highest FCAS cost was regulation raise at $34886, peaking at $40/MW in TAS. Total emissions were 300590 tonnes of carbon dioxide, 9.3 per cent above the same weekday last week.
Today · Pre-dispatch forecasts show prices peaking at $225.79/MWh in QLD at 22:30, with NSW reaching $219.43/MWh at the same time.
In context · The NEM average price of $84.5/MWh ranked sixth for the week, remaining below the seven-day average of $92.2/MWh. The average compares with a NEM average of $62.8/MWh recorded on the same weekday last week.
Prices
Trading day · 04:00 → 04:00 AEST · 30-min average
| Region | Avg | VWAP | Min | Max | Neg | Cap |
|---|---|---|---|---|---|---|
| NSW | $99 | $103 | $0 | $169 | 0 | 0 |
| QLD | $101 | $104 | $0 | $166 | 0 | 0 |
| SA | $75 | $98 | -$101 | $170 | 192 | 0 |
| VIC | $75 | $83 | -$20 | $161 | 158 | 0 |
| TAS | $74 | $77 | -$15 | $149 | 118 | 0 |
Min · Max are 5-minute dispatch extremes; the price chart plots 30-minute averages, so its peak reads lower.
Demand
FCAS
| Service | Cost | Spikes | Peak | When |
|---|---|---|---|---|
| RAISEREG | $4,757 | 0 | $16 | 26 Oct, 17:25 |
| LOWERREG | $1,655 | 0 | $25 | 26 Oct, 17:15 |
| LOWER60SEC | $303 | 0 | $0 | 26 Oct, 16:15 |
| LOWER5MIN | $172 | 0 | $1 | 26 Oct, 17:00 |
| RAISE6SEC | $100 | 0 | $0 | 26 Oct, 23:05 |
| RAISE60SEC | $81 | 0 | $0 | 26 Oct, 23:20 |
| LOWER6SEC | $58 | 0 | $0 | 26 Oct, 15:15 |
| RAISE5MIN | $20 | 0 | $0 | 27 Oct, 00:35 |
| Total | $7,146 | |||
Cost = NSW RRP × cleared MW per 5-min interval.
| Service | Cost | Spikes | Peak | When |
|---|---|---|---|---|
| LOWERREG | $6,214 | 0 | $25 | 26 Oct, 17:15 |
| RAISEREG | $6,079 | 0 | $16 | 26 Oct, 17:25 |
| LOWER60SEC | $511 | 0 | $0 | 26 Oct, 16:15 |
| LOWER5MIN | $359 | 0 | $1 | 26 Oct, 17:00 |
| RAISE6SEC | $221 | 0 | $0 | 26 Oct, 23:05 |
| LOWER6SEC | $166 | 0 | $0 | 26 Oct, 15:15 |
| RAISE60SEC | $163 | 0 | $0 | 26 Oct, 23:20 |
| RAISE5MIN | $25 | 0 | $0 | 27 Oct, 00:35 |
| Total | $13,739 | |||
Cost = QLD RRP × cleared MW per 5-min interval.
| Service | Cost | Spikes | Peak | When |
|---|---|---|---|---|
| RAISEREG | $8,450 | 0 | $16 | 26 Oct, 17:25 |
| LOWERREG | $4,730 | 0 | $25 | 26 Oct, 17:15 |
| RAISE6SEC | $219 | 0 | $0 | 26 Oct, 23:05 |
| LOWER60SEC | $204 | 0 | $0 | 26 Oct, 16:15 |
| RAISE60SEC | $182 | 0 | $0 | 26 Oct, 23:20 |
| LOWER5MIN | $79 | 0 | $1 | 26 Oct, 17:00 |
| LOWER6SEC | $58 | 0 | $0 | 26 Oct, 15:15 |
| RAISE5MIN | $48 | 0 | $0 | 27 Oct, 00:35 |
| Total | $13,969 | |||
Cost = VIC RRP × cleared MW per 5-min interval.
| Service | Cost | Spikes | Peak | When |
|---|---|---|---|---|
| RAISEREG | $2,903 | 0 | $16 | 26 Oct, 17:25 |
| LOWERREG | $1,998 | 0 | $25 | 26 Oct, 17:15 |
| LOWER60SEC | $339 | 0 | $0 | 26 Oct, 16:15 |
| RAISE6SEC | $199 | 0 | $0 | 26 Oct, 23:05 |
| LOWER5MIN | $193 | 0 | $1 | 26 Oct, 17:00 |
| RAISE60SEC | $154 | 0 | $0 | 26 Oct, 23:20 |
| LOWER6SEC | $115 | 0 | $0 | 26 Oct, 15:15 |
| RAISE5MIN | $34 | 0 | $0 | 27 Oct, 00:35 |
| Total | $5,934 | |||
Cost = SA RRP × cleared MW per 5-min interval.
| Service | Cost | Spikes | Peak | When |
|---|---|---|---|---|
| RAISEREG | $12,698 | 0 | $40 | 26 Oct, 18:30 |
| LOWERREG | $4,381 | 0 | $92 | 26 Oct, 16:55 |
| RAISE6SEC | $690 | 0 | $3 | 26 Oct, 19:05 |
| RAISE60SEC | $610 | 0 | $0 | 26 Oct, 05:05 |
| LOWER6SEC | $111 | 0 | $3 | 26 Oct, 18:55 |
| LOWER5MIN | $54 | 0 | $2 | 26 Oct, 18:55 |
| LOWER60SEC | $50 | 0 | $0 | 26 Oct, 16:15 |
| RAISE5MIN | $14 | 0 | $0 | 26 Oct, 19:00 |
| Total | $18,607 | |||
Cost = TAS RRP × cleared MW per 5-min interval.
Battery dispatch
Peak moment
Fleet discharged 1,131 MW at 20:00 as NSW spot hit $128/MWh.
Peak moment
Fleet discharged 1,393 MW at 19:30 as QLD spot hit $143/MWh.
Peak moment
Fleet discharged 524 MW at 06:30 as VIC spot hit $100/MWh.
Peak moment
Fleet discharged 453 MW at 08:00 as SA spot hit $119/MWh.
Peak moment
Fleet discharged 2,747 MW at 19:30 as TAS spot hit $126/MWh.
Fleet net dispatch · spot-price overlay · 30-min average
Regional dispatch ranking
| Region | Discharged | Net |
|---|---|---|
#1NSW | 6,234MWh | -2,542 |
#2QLD | 5,494MWh | +147 |
#3VIC | 3,143MWh | -1,547 |
#4SA | 2,090MWh | +365 |
Generation Mix
- Coal46.3% · 98.5 GWh
- Gas1.8% · 3.9 GWh
- Hydro3.3% · 7.0 GWh
- Wind11.4% · 24.2 GWh
- Solar (utility)15.8% · 33.6 GWh
- Solar (rooftop)18.6% · 39.6 GWh
- Battery2.9% · 6.2 GWh
- Coal60.3% · 122.9 GWh
- Gas0.7% · 1.4 GWh
- Hydro2.8% · 5.7 GWh
- Wind6.1% · 12.5 GWh
- Solar (utility)10.3% · 21.0 GWh
- Solar (rooftop)17.1% · 34.8 GWh
- Battery2.7% · 5.5 GWh
- Other0.1% · 0.2 GWh
- Coal49.4% · 84.5 GWh
- Gas0.8% · 1.3 GWh
- Hydro4.2% · 7.2 GWh
- Wind20.4% · 35.0 GWh
- Solar (utility)8.0% · 13.7 GWh
- Solar (rooftop)15.3% · 26.2 GWh
- Battery1.8% · 3.1 GWh
- Gas25.6% · 7.8 GWh
- Wind18.6% · 5.7 GWh
- Solar (utility)4.9% · 1.5 GWh
- Solar (rooftop)42.9% · 13.1 GWh
- Battery6.9% · 2.1 GWh
- Other1.1% · 0.3 GWh
- Hydro61.2% · 15.5 GWh
- Wind31.3% · 7.9 GWh
- Solar (rooftop)7.6% · 1.9 GWh
Renewables
- NSW 51.4%
- VIC 54.5%
- QLD 40.2%
- SA 56.7%
- TAS 85.5%
Interconnectors
| Region (proxy) | Net flow | Direction changes | Hours at limit |
|---|---|---|---|
| N-Q-MNSP1 | +4.2 GWh | 26 | — |
| NSW1-QLD1 | −3.4 GWh | 18 | — |
| VIC1-NSW1 | +20.4 GWh | 29 | — |
| V-SA | −15.5 GWh | 4 | — |
| T-V-MNSP1 | −3.5 GWh | 0 | — |
Per-region net of NETINTERCHANGE proxied to a representative interconnector. Full per-interconnector decomposition + hours-at-limit needs DINTERCONNECTOR parsing (follow-up).
Emissions
| NSW | 87.5k tCO₂ | 0.404 tCO₂/MWh |
| QLD | 108.6k tCO₂ | 0.527 tCO₂/MWh |
| SA | 3.8k tCO₂ | 0.121 tCO₂/MWh |
| VIC | 100.7k tCO₂ | 0.588 tCO₂/MWh |
| TAS | 0 tCO₂ | 0.000 tCO₂/MWh |