Thursday 24 September 2026
Trading day 2026-09-24
QLD records highest regional average price at $93.9/MWh
Regional average prices ranged from $66.1/MWh in TAS to $93.9/MWh in QLD. VIC recorded 7.2 negative hours, representing 29.9 per cent of intervals, with a minimum of -$15.1/MWh at 11:20. TAS recorded 6.5 negative hours. QLD reached a maximum price of $420.0/MWh at 05:20.
NSW recorded the highest demand peak of 8982 MW at 18:35. Coal accounted for 47.2 per cent of the generation mix, followed by rooftop solar at 15.4 per cent and wind at 12.9 per cent. Batteries discharged 18,303 MWh with a net position of -4270 MWh.
FCAS costs were highest for the RAISEREG service at $44,807, which reached a peak price of $119/MW in TAS. Total emissions were 299,650 tCO2, down 3.5 per cent from the same weekday last week.
Today · Pre-dispatch forecasts show QLD reaching $319.04/MWh at 19:30 and SA reaching $145.0/MWh at 18:30.
In context · The NEM average price of $82.8/MWh was above the seven-day average of $54.1/MWh, ranking second for the week. SA recorded an average of $91.8/MWh, ranking first in its seven-day range of -$25.6/MWh to $91.8/MWh.
Prices
Trading day · 04:00 → 04:00 AEST · 30-min average
| Region | Avg | VWAP | Min | Max | Neg | Cap |
|---|---|---|---|---|---|---|
| NSW | $92 | $96 | $13 | $300 | 0 | 0 |
| QLD | $94 | $96 | $0 | $420 | 0 | 0 |
| SA | $92 | $94 | -$1 | $270 | 4 | 0 |
| VIC | $70 | $75 | -$15 | $281 | 86 | 0 |
| TAS | $66 | $69 | -$16 | $263 | 78 | 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 | $7,668 | 0 | $12 | 24 Sept, 04:30 |
| LOWERREG | $996 | 0 | $8 | 24 Sept, 15:15 |
| RAISE6SEC | $223 | 0 | $0 | 24 Sept, 07:05 |
| RAISE60SEC | $220 | 0 | $0 | 24 Sept, 06:00 |
| LOWER5MIN | $115 | 0 | $1 | 24 Sept, 15:15 |
| LOWER60SEC | $108 | 0 | $0 | 24 Sept, 13:20 |
| RAISE5MIN | $54 | 0 | $0 | 24 Sept, 06:30 |
| LOWER6SEC | $39 | 0 | $0 | 24 Sept, 12:40 |
| Total | $9,424 | |||
Cost = NSW RRP × cleared MW per 5-min interval.
| Service | Cost | Spikes | Peak | When |
|---|---|---|---|---|
| RAISEREG | $12,118 | 0 | $12 | 24 Sept, 04:30 |
| LOWERREG | $3,786 | 0 | $8 | 24 Sept, 15:15 |
| RAISE6SEC | $357 | 0 | $0 | 24 Sept, 07:05 |
| LOWER60SEC | $348 | 0 | $0 | 24 Sept, 13:20 |
| RAISE60SEC | $273 | 0 | $0 | 24 Sept, 06:00 |
| LOWER5MIN | $250 | 0 | $1 | 24 Sept, 15:15 |
| LOWER6SEC | $102 | 0 | $0 | 24 Sept, 12:40 |
| RAISE5MIN | $45 | 0 | $0 | 24 Sept, 06:30 |
| Total | $17,278 | |||
Cost = QLD RRP × cleared MW per 5-min interval.
| Service | Cost | Spikes | Peak | When |
|---|---|---|---|---|
| RAISEREG | $9,086 | 0 | $12 | 24 Sept, 04:30 |
| LOWERREG | $1,696 | 0 | $8 | 24 Sept, 15:15 |
| RAISE6SEC | $538 | 0 | $0 | 24 Sept, 07:05 |
| RAISE60SEC | $522 | 0 | $0 | 24 Sept, 06:00 |
| LOWER60SEC | $335 | 0 | $0 | 24 Sept, 13:20 |
| RAISE5MIN | $135 | 0 | $0 | 24 Sept, 06:30 |
| LOWER6SEC | $84 | 0 | $0 | 24 Sept, 12:40 |
| LOWER5MIN | $82 | 0 | $1 | 24 Sept, 15:15 |
| Total | $12,478 | |||
Cost = VIC RRP × cleared MW per 5-min interval.
| Service | Cost | Spikes | Peak | When |
|---|---|---|---|---|
| RAISEREG | $3,173 | 0 | $12 | 24 Sept, 04:30 |
| LOWERREG | $2,363 | 0 | $8 | 24 Sept, 15:15 |
| RAISE6SEC | $358 | 0 | $0 | 24 Sept, 07:05 |
| RAISE60SEC | $301 | 0 | $0 | 24 Sept, 06:00 |
| LOWER60SEC | $294 | 0 | $0 | 24 Sept, 13:20 |
| LOWER5MIN | $271 | 0 | $1 | 24 Sept, 15:15 |
| LOWER6SEC | $120 | 0 | $0 | 24 Sept, 12:40 |
| RAISE5MIN | $55 | 0 | $0 | 24 Sept, 06:30 |
| Total | $6,936 | |||
Cost = SA RRP × cleared MW per 5-min interval.
| Service | Cost | Spikes | Peak | When |
|---|---|---|---|---|
| RAISEREG | $12,761 | 0 | $119 | 24 Sept, 04:05 |
| LOWERREG | $8,117 | 0 | $63 | 24 Sept, 15:05 |
| RAISE6SEC | $3,974 | 0 | $85 | 25 Sept, 03:20 |
| LOWER6SEC | $2,647 | 0 | $52 | 25 Sept, 02:25 |
| RAISE60SEC | $495 | 0 | $0 | 24 Sept, 06:40 |
| LOWER60SEC | $168 | 0 | $1 | 24 Sept, 06:50 |
| LOWER5MIN | $86 | 0 | $1 | 24 Sept, 15:15 |
| RAISE5MIN | $19 | 0 | $0 | 24 Sept, 06:45 |
| Total | $28,267 | |||
Cost = TAS RRP × cleared MW per 5-min interval.
Battery dispatch
Peak moment
Fleet discharged 1,542 MW at 18:30 as NSW spot hit $119/MWh.
Peak moment
Fleet discharged 1,270 MW at 18:30 as QLD spot hit $105/MWh.
Peak moment
Fleet discharged 804 MW at 19:30 as VIC spot hit $91/MWh.
Peak moment
Fleet discharged 190 MW at 18:30 as SA spot hit $118/MWh.
Peak moment
Fleet discharged 3,768 MW at 18:30 as TAS spot hit $95/MWh.
Fleet net dispatch · spot-price overlay · 30-min average
Regional dispatch ranking
| Region | Discharged | Net |
|---|---|---|
#1NSW | 7,345MWh | -1,781 |
#2QLD | 6,419MWh | -967 |
#3VIC | 3,381MWh | -802 |
#4SA | 1,158MWh | -721 |
Generation Mix
- Coal54.1% · 107.3 GWh
- Gas0.9% · 1.8 GWh
- Hydro4.8% · 9.6 GWh
- Wind4.7% · 9.2 GWh
- Solar (utility)14.5% · 28.7 GWh
- Solar (rooftop)17.3% · 34.4 GWh
- Battery3.7% · 7.3 GWh
- Coal52.0% · 102.5 GWh
- Gas6.7% · 13.2 GWh
- Hydro0.7% · 1.3 GWh
- Wind12.4% · 24.5 GWh
- Solar (utility)9.3% · 18.4 GWh
- Solar (rooftop)15.4% · 30.3 GWh
- Battery3.3% · 6.4 GWh
- Other0.2% · 0.3 GWh
- Coal51.0% · 83.4 GWh
- Gas4.0% · 6.5 GWh
- Hydro2.8% · 4.6 GWh
- Wind19.6% · 32.1 GWh
- Solar (utility)7.3% · 11.9 GWh
- Solar (rooftop)13.1% · 21.4 GWh
- Battery2.1% · 3.4 GWh
- Gas31.7% · 10.4 GWh
- Wind34.0% · 11.1 GWh
- Solar (utility)5.8% · 1.9 GWh
- Solar (rooftop)25.0% · 8.2 GWh
- Battery3.5% · 1.2 GWh
- Gas10.7% · 3.2 GWh
- Hydro73.0% · 21.8 GWh
- Wind11.3% · 3.4 GWh
- Solar (rooftop)4.9% · 1.5 GWh
Renewables
- NSW 40.8%
- VIC 49.3%
- QLD 45.5%
- SA 53.0%
- TAS 93.0%
Interconnectors
| Region (proxy) | Net flow | Direction changes | Hours at limit |
|---|---|---|---|
| N-Q-MNSP1 | +35.0 GWh | 0 | — |
| NSW1-QLD1 | −43.2 GWh | 2 | — |
| VIC1-NSW1 | +34.4 GWh | 6 | — |
| V-SA | −22.4 GWh | 4 | — |
| T-V-MNSP1 | +779 MWh | 1 | — |
Per-region net of NETINTERCHANGE proxied to a representative interconnector. Full per-interconnector decomposition + hours-at-limit needs DINTERCONNECTOR parsing (follow-up).
Emissions
| NSW | 94.5k tCO₂ | 0.466 tCO₂/MWh |
| QLD | 96.0k tCO₂ | 0.478 tCO₂/MWh |
| SA | 4.8k tCO₂ | 0.146 tCO₂/MWh |
| VIC | 102.3k tCO₂ | 0.623 tCO₂/MWh |
| TAS | 1.9k tCO₂ | 0.066 tCO₂/MWh |