Wednesday 3 June 2026
Trading day 2026-06-03
Renewable share nears fifty percent as Victorian prices drop to single digits
Average prices across the mainland remained low, with South Australia at 17.30 dollars and New South Wales at 42.40 dollars per megawatt hour. Queensland saw higher volatility with a maximum price of 165.50 dollars, while Tasmania maintained the highest regional average at 80.00 dollars.
System demand peaked between 18:00 and 18:40 across all regions, led by New South Wales at 10,103 megawatts. Coal provided 44.5 percent of the total energy mix, while wind generation contributed a significant 31.4 percent share to the grid.
Renewable penetration reached an instantaneous peak of 64.8 percent at 12:25. Utility and rooftop solar combined for 14.7 percent of the daily generation, while hydro contributed 5.9 percent. Batteries discharged 12,322 megawatt hours but remained net consumers of energy for the day.
FCAS costs were led by the Raise 6 Second service at 100,123 dollars, peaking in Tasmania. Interconnector flows saw 42,262 megawatt hours move from Victoria to New South Wales, while Queensland exported 36,696 megawatt hours south.
Today · Predispatch forecasts indicate a price peak of 319.04 dollars in Queensland at 19:30 and 122.53 dollars in Tasmania at 17:30.
Why it matters · The day was marked by a 47.9 percent reduction in average prices relative to the previous seven-day period.
Prices
Trading day · 04:00 → 04:00 AEST · 30-min average
| Region | Avg | VWAP | Min | Max | Neg | Cap |
|---|---|---|---|---|---|---|
| NSW | $42 | $45 | -$5 | $78 | 4 | 0 |
| QLD | $60 | $68 | -$25 | $166 | 8 | 0 |
| SA | $17 | $20 | -$5 | $158 | 16 | 0 |
| VIC | $7 | $8 | -$5 | $64 | 25 | 0 |
| TAS | $80 | $80 | $72 | $104 | 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 | $11,612 | 0 | $20 | 3 June, 21:35 |
| LOWERREG | $1,570 | 0 | $16 | 3 June, 14:55 |
| RAISE60SEC | $437 | 0 | $0 | 3 June, 12:40 |
| RAISE6SEC | $301 | 0 | $0 | 3 June, 12:40 |
| LOWER60SEC | $171 | 0 | $1 | 3 June, 15:00 |
| RAISE5MIN | $117 | 0 | $0 | 3 June, 12:40 |
| LOWER5MIN | $51 | 0 | $0 | 3 June, 15:10 |
| LOWER6SEC | $32 | 0 | $0 | 3 June, 14:55 |
| Total | $14,291 | |||
Cost = NSW RRP × cleared MW per 5-min interval.
| Service | Cost | Spikes | Peak | When |
|---|---|---|---|---|
| LOWER60SEC | $23,478 | 0 | $27 | 3 June, 12:05 |
| LOWER6SEC | $22,780 | 0 | $19 | 3 June, 12:40 |
| RAISEREG | $9,456 | 0 | $20 | 3 June, 21:35 |
| LOWERREG | $4,766 | 0 | $16 | 3 June, 14:55 |
| LOWER5MIN | $2,148 | 0 | $2 | 3 June, 10:45 |
| RAISE6SEC | $429 | 0 | $0 | 3 June, 17:20 |
| RAISE60SEC | $370 | 0 | $0 | 3 June, 17:05 |
| RAISE5MIN | $112 | 0 | $0 | 3 June, 17:35 |
| Total | $63,539 | |||
Cost = QLD RRP × cleared MW per 5-min interval.
| Service | Cost | Spikes | Peak | When |
|---|---|---|---|---|
| RAISEREG | $9,571 | 0 | $20 | 3 June, 21:35 |
| LOWERREG | $3,559 | 0 | $16 | 3 June, 14:55 |
| RAISE60SEC | $470 | 0 | $0 | 3 June, 12:40 |
| RAISE6SEC | $383 | 0 | $0 | 3 June, 12:40 |
| LOWER60SEC | $155 | 0 | $1 | 3 June, 15:00 |
| RAISE5MIN | $129 | 0 | $0 | 3 June, 12:40 |
| LOWER5MIN | $26 | 0 | $0 | 3 June, 15:10 |
| LOWER6SEC | $23 | 0 | $0 | 3 June, 14:55 |
| Total | $14,317 | |||
Cost = VIC RRP × cleared MW per 5-min interval.
| Service | Cost | Spikes | Peak | When |
|---|---|---|---|---|
| RAISE60SEC | $38,696 | 0 | $49 | 3 June, 18:20 |
| RAISE6SEC | $29,598 | 0 | $90 | 3 June, 18:20 |
| RAISEREG | $6,697 | 0 | $45 | 3 June, 21:35 |
| LOWERREG | $5,152 | 0 | $16 | 3 June, 14:55 |
| LOWER60SEC | $3,938 | 0 | $47 | 3 June, 16:30 |
| RAISE5MIN | $2,830 | 0 | $25 | 3 June, 21:35 |
| LOWER6SEC | $1,040 | 0 | $3 | 3 June, 10:00 |
| LOWER5MIN | $233 | 0 | $2 | 3 June, 10:15 |
| Total | $88,183 | |||
Cost = SA RRP × cleared MW per 5-min interval.
| Service | Cost | Spikes | Peak | When |
|---|---|---|---|---|
| RAISE6SEC | $69,412 | 0 | $165 | 3 June, 16:10 |
| RAISEREG | $13,652 | 0 | $23 | 3 June, 16:10 |
| LOWERREG | $4,794 | 0 | $4 | 3 June, 05:05 |
| RAISE60SEC | $1,579 | 0 | $2 | 3 June, 06:40 |
| LOWER6SEC | $907 | 0 | $3 | 3 June, 06:35 |
| LOWER60SEC | $640 | 0 | $4 | 3 June, 16:00 |
| RAISE5MIN | $190 | 0 | $0 | 3 June, 06:40 |
| LOWER5MIN | $2 | 0 | $0 | 3 June, 15:10 |
| Total | $91,177 | |||
Cost = TAS RRP × cleared MW per 5-min interval.
Battery dispatch
Peak moment
Fleet discharged 686 MW at 18:00 as NSW spot hit $60/MWh.
Peak moment
Fleet discharged 1,371 MW at 18:30 as QLD spot hit $128/MWh.
Peak moment
Fleet discharged 580 MW at 18:00 as VIC spot hit $56/MWh.
Peak moment
Fleet discharged 449 MW at 19:30 as SA spot hit $55/MWh.
Peak moment
Fleet discharged 3,034 MW at 18:00 as TAS spot hit $86/MWh.
Fleet net dispatch · spot-price overlay · 30-min average
Regional dispatch ranking
| Region | Discharged | Net |
|---|---|---|
#1QLD | 5,711MWh | +179 |
#2NSW | 3,296MWh | -2,419 |
#3SA | 1,743MWh | -172 |
#4VIC | 1,572MWh | -584 |
Generation Mix
- Coal51.7% · 105.8 GWh
- Gas0.5% · 1.1 GWh
- Hydro4.9% · 10.1 GWh
- Wind25.3% · 51.8 GWh
- Solar (utility)6.5% · 13.3 GWh
- Solar (rooftop)9.5% · 19.4 GWh
- Battery1.6% · 3.3 GWh
- Coal54.0% · 96.2 GWh
- Gas3.3% · 5.9 GWh
- Hydro3.3% · 5.9 GWh
- Wind11.0% · 19.5 GWh
- Solar (utility)11.1% · 19.8 GWh
- Solar (rooftop)13.7% · 24.4 GWh
- Battery3.2% · 5.7 GWh
- Other0.4% · 0.7 GWh
- Coal45.6% · 83.3 GWh
- Hydro0.8% · 1.5 GWh
- Wind46.7% · 85.3 GWh
- Solar (utility)1.5% · 2.8 GWh
- Solar (rooftop)4.5% · 8.2 GWh
- Battery0.9% · 1.6 GWh
- Gas4.7% · 2.4 GWh
- Wind80.0% · 41.8 GWh
- Solar (utility)2.8% · 1.5 GWh
- Solar (rooftop)9.3% · 4.8 GWh
- Battery3.3% · 1.7 GWh
- Hydro86.6% · 20.5 GWh
- Wind11.6% · 2.7 GWh
- Solar (rooftop)1.8% · 0.4 GWh
Renewables
- NSW 37.5%
- VIC 58.7%
- QLD 34.1%
- SA 109.4%
- TAS 83.1%
Interconnectors
| Region (proxy) | Net flow | Direction changes | Hours at limit |
|---|---|---|---|
| N-Q-MNSP1 | −305 MWh | 6 | — |
| NSW1-QLD1 | −36.7 GWh | 0 | — |
| VIC1-NSW1 | +42.3 GWh | 2 | — |
| V-SA | +10.5 GWh | 11 | — |
| T-V-MNSP1 | −9.2 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 | 93.5k tCO₂ | 0.460 tCO₂/MWh |
| QLD | 87.0k tCO₂ | 0.486 tCO₂/MWh |
| SA | 1.2k tCO₂ | 0.023 tCO₂/MWh |
| VIC | 97.0k tCO₂ | 0.538 tCO₂/MWh |
| TAS | 0 tCO₂ | 0.000 tCO₂/MWh |