Tuesday 2 June 2026
Trading day 2026-06-02
Renewable generation drives significant price reduction across the National Electricity Market
Average regional prices showed a wide spread, ranging from $12.60/MWh in South Australia to $82.50/MWh in Tasmania. Both South Australia and Victoria experienced 19 intervals of negative pricing, with minimum values reaching -$4.00/MWh and -$3.00/MWh respectively. Queensland recorded the highest single interval price of $158.90/MWh during the day.
Renewables contributed 45.1% of the total generation mix, with an instantaneous peak of 54.4% occurring at 11:50. Wind generation provided 28.0% of the total energy, while coal remained the primary source at 48.4%. Solar utility and rooftop solar combined for 12.6% of the daily fuel mix.
Battery storage systems discharged 9,709 MWh into the grid, though the sector remained a net consumer with -2,895 MWh. FCAS costs were most prominent in the Raise Regulation service, totaling $51,998, with Tasmania frequently setting the peak price for frequency services.
Total emissions were recorded at 312,028 tCO2, representing a 17.9% decrease compared to the same day last week. Interconnector flows saw significant movement from Victoria to New South Wales and from South Australia into Victoria to balance regional requirements.
Today · Pre-dispatch forecasts indicate a peak price of $319.04/MWh in Queensland at 19:30 and $145.00/MWh in South Australia at 18:30.
Why it matters · the daily average price fell 45.7% below the seven-day average alongside a 17.9% reduction in weekly emissions
Prices
Trading day · 04:00 → 04:00 AEST · 30-min average
| Region | Avg | VWAP | Min | Max | Neg | Cap |
|---|---|---|---|---|---|---|
| NSW | $53 | $53 | $24 | $97 | 0 | 0 |
| QLD | $74 | $78 | $23 | $159 | 0 | 0 |
| SA | $13 | $14 | -$4 | $75 | 19 | 0 |
| VIC | $16 | $18 | -$3 | $88 | 19 | 0 |
| TAS | $83 | $83 | $70 | $112 | 0 | 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 | $11,576 | 0 | $21 | 2 June, 14:30 |
| LOWERREG | $1,383 | 0 | $7 | 2 June, 21:25 |
| RAISE60SEC | $601 | 0 | $0 | 2 June, 17:30 |
| RAISE6SEC | $519 | 0 | $0 | 2 June, 17:30 |
| LOWER60SEC | $486 | 0 | $1 | 2 June, 13:45 |
| RAISE5MIN | $122 | 0 | $0 | 2 June, 17:50 |
| LOWER5MIN | $102 | 0 | $0 | 2 June, 15:45 |
| LOWER6SEC | $77 | 0 | $0 | 2 June, 15:45 |
| Total | $14,867 | |||
Cost = NSW RRP × cleared MW per 5-min interval.
| Service | Cost | Spikes | Peak | When |
|---|---|---|---|---|
| RAISEREG | $9,869 | 0 | $21 | 2 June, 14:30 |
| LOWERREG | $3,815 | 0 | $7 | 2 June, 21:25 |
| LOWER60SEC | $1,160 | 0 | $1 | 2 June, 13:45 |
| RAISE6SEC | $800 | 0 | $0 | 2 June, 17:30 |
| RAISE60SEC | $724 | 0 | $0 | 2 June, 17:30 |
| RAISE5MIN | $179 | 0 | $0 | 2 June, 17:50 |
| LOWER6SEC | $153 | 0 | $0 | 2 June, 15:45 |
| LOWER5MIN | $134 | 0 | $0 | 2 June, 15:45 |
| Total | $16,835 | |||
Cost = QLD RRP × cleared MW per 5-min interval.
| Service | Cost | Spikes | Peak | When |
|---|---|---|---|---|
| RAISEREG | $8,832 | 0 | $21 | 2 June, 14:30 |
| LOWERREG | $3,120 | 0 | $7 | 2 June, 21:25 |
| RAISE6SEC | $561 | 0 | $0 | 2 June, 17:30 |
| LOWER60SEC | $503 | 0 | $1 | 2 June, 13:45 |
| RAISE60SEC | $475 | 0 | $0 | 2 June, 17:30 |
| RAISE5MIN | $140 | 0 | $0 | 2 June, 17:50 |
| LOWER5MIN | $54 | 0 | $0 | 2 June, 15:45 |
| LOWER6SEC | $48 | 0 | $0 | 2 June, 15:45 |
| Total | $13,733 | |||
Cost = VIC RRP × cleared MW per 5-min interval.
| Service | Cost | Spikes | Peak | When |
|---|---|---|---|---|
| RAISEREG | $8,384 | 0 | $21 | 2 June, 14:30 |
| LOWERREG | $6,268 | 0 | $7 | 2 June, 21:25 |
| LOWER60SEC | $605 | 0 | $1 | 2 June, 13:45 |
| RAISE6SEC | $387 | 0 | $0 | 2 June, 17:30 |
| RAISE60SEC | $336 | 0 | $0 | 2 June, 17:30 |
| RAISE5MIN | $87 | 0 | $0 | 2 June, 17:50 |
| LOWER6SEC | $78 | 0 | $0 | 2 June, 15:45 |
| LOWER5MIN | $77 | 0 | $0 | 2 June, 15:45 |
| Total | $16,223 | |||
Cost = SA RRP × cleared MW per 5-min interval.
| Service | Cost | Spikes | Peak | When |
|---|---|---|---|---|
| RAISEREG | $13,336 | 0 | $30 | 2 June, 11:10 |
| RAISE6SEC | $9,238 | 0 | $39 | 2 June, 11:10 |
| LOWERREG | $4,617 | 0 | $4 | 2 June, 21:40 |
| RAISE60SEC | $1,484 | 0 | $9 | 2 June, 08:35 |
| LOWER6SEC | $788 | 0 | $3 | 2 June, 11:05 |
| LOWER60SEC | $757 | 0 | $0 | 2 June, 06:45 |
| RAISE5MIN | $104 | 0 | $0 | 2 June, 06:55 |
| LOWER5MIN | $0 | 0 | $0 | 2 June, 11:05 |
| Total | $30,324 | |||
Cost = TAS RRP × cleared MW per 5-min interval.
Battery dispatch
Peak moment
Fleet discharged 873 MW at 18:00 as NSW spot hit $65/MWh.
Peak moment
Fleet discharged 1,017 MW at 18:00 as QLD spot hit $135/MWh.
Peak moment
Fleet discharged 531 MW at 18:30 as VIC spot hit $53/MWh.
Peak moment
Fleet discharged 493 MW at 18:00 as SA spot hit $54/MWh.
Peak moment
Fleet discharged 2,871 MW at 18:00 as TAS spot hit $87/MWh.
Fleet net dispatch · spot-price overlay · 30-min average
Regional dispatch ranking
| Region | Discharged | Net |
|---|---|---|
#1QLD | 3,876MWh | -1,658 |
#2NSW | 3,152MWh | -208 |
#3SA | 1,408MWh | -799 |
#4VIC | 1,273MWh | -230 |
Generation Mix
- Coal59.4% · 124.9 GWh
- Gas1.4% · 2.9 GWh
- Hydro5.1% · 10.8 GWh
- Wind22.6% · 47.7 GWh
- Solar (utility)4.6% · 9.8 GWh
- Solar (rooftop)5.2% · 10.9 GWh
- Battery1.5% · 3.2 GWh
- Other0.1% · 0.3 GWh
- Coal54.9% · 100.0 GWh
- Gas6.4% · 11.7 GWh
- Hydro3.2% · 5.9 GWh
- Wind7.4% · 13.5 GWh
- Solar (utility)11.9% · 21.7 GWh
- Solar (rooftop)13.9% · 25.3 GWh
- Battery2.1% · 3.9 GWh
- Coal51.4% · 91.1 GWh
- Hydro2.8% · 5.0 GWh
- Wind40.4% · 71.7 GWh
- Solar (utility)1.0% · 1.7 GWh
- Solar (rooftop)3.7% · 6.5 GWh
- Battery0.7% · 1.3 GWh
- Gas3.6% · 2.0 GWh
- Wind82.9% · 46.7 GWh
- Solar (utility)2.6% · 1.5 GWh
- Solar (rooftop)8.4% · 4.7 GWh
- Battery2.5% · 1.4 GWh
- Hydro87.8% · 23.4 GWh
- Wind11.7% · 3.1 GWh
- Solar (rooftop)0.6% · 0.2 GWh
Renewables
- NSW 32.0%
- VIC 50.7%
- QLD 30.3%
- SA 119.2%
- TAS 89.8%
Interconnectors
| Region (proxy) | Net flow | Direction changes | Hours at limit |
|---|---|---|---|
| N-Q-MNSP1 | +5.3 GWh | 6 | — |
| NSW1-QLD1 | −43.3 GWh | 4 | — |
| VIC1-NSW1 | +32.6 GWh | 12 | — |
| V-SA | +19.6 GWh | 0 | — |
| T-V-MNSP1 | −5.9 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 | 111.4k tCO₂ | 0.533 tCO₂/MWh |
| QLD | 93.0k tCO₂ | 0.515 tCO₂/MWh |
| SA | 963 tCO₂ | 0.017 tCO₂/MWh |
| VIC | 106.7k tCO₂ | 0.612 tCO₂/MWh |
| TAS | 0 tCO₂ | 0.000 tCO₂/MWh |