NEM
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NEM
Daily analysis
Tuesday 21 April 2026
Trading day 2026-04-21
Prices
Trading day · 04:00 → 04:00 AEST · 30-min average
NSW VIC QLD SA TAS
| Region | Avg | VWAP | Min | Max | Neg | Cap |
|---|---|---|---|---|---|---|
| NSW | $53 | $55 | -$3 | $104 | 2 | 0 |
| QLD | $41 | $46 | -$15 | $100 | 15 | 0 |
| SA | $30 | $37 | -$14 | $198 | 18 | 0 |
| VIC | $23 | $28 | -$13 | $109 | 25 | 0 |
| TAS | $81 | $82 | $22 | $111 | 0 | 0 |
Min · Max are 5-minute dispatch extremes; the price chart plots 30-minute averages, so its peak reads lower.
Demand
NSW
Peak
9,221MW
18:10
Trough
6,307MW
04:15
Energy
354.6GWh
QLD
Peak
7,855MW
18:00
Trough
4,089MW
10:45
Energy
284.8GWh
SA
Peak
1,722MW
18:40
Trough
483MW
13:10
Energy
58.5GWh
VIC
Peak
6,336MW
18:35
Trough
3,490MW
12:35
Energy
228.8GWh
TAS
Peak
1,143MW
07:40
Trough
761MW
12:20
Energy
45.7GWh
FCAS
| Service | Cost | Spikes | Peak | When |
|---|---|---|---|---|
| RAISEREG | $9,480 | 0 | $20 | 21 Apr, 14:25 |
| LOWERREG | $4,739 | 0 | $13 | 21 Apr, 07:30 |
| RAISE6SEC | $1,999 | 0 | $17 | 21 Apr, 17:55 |
| RAISE60SEC | $863 | 0 | $3 | 21 Apr, 17:55 |
| RAISE5MIN | $179 | 0 | $0 | 21 Apr, 17:10 |
| LOWER60SEC | $38 | 0 | $0 | 21 Apr, 15:00 |
| LOWER5MIN | $32 | 0 | $0 | 21 Apr, 15:00 |
| LOWER6SEC | $5 | 0 | $0 | 21 Apr, 15:05 |
| Total | $17,333 | |||
Cost = NSW RRP × cleared MW per 5-min interval.
| Service | Cost | Spikes | Peak | When |
|---|---|---|---|---|
| LOWER6SEC | $110,050 | 0 | $44 | 21 Apr, 08:40 |
| LOWER60SEC | $87,980 | 0 | $32 | 21 Apr, 11:30 |
| LOWER5MIN | $23,719 | 0 | $7 | 21 Apr, 08:45 |
| RAISEREG | $8,194 | 0 | $20 | 21 Apr, 14:25 |
| LOWERREG | $6,270 | 0 | $19 | 21 Apr, 07:30 |
| RAISE6SEC | $2,975 | 0 | $17 | 21 Apr, 17:55 |
| RAISE60SEC | $513 | 0 | $3 | 21 Apr, 17:55 |
| RAISE5MIN | $109 | 0 | $0 | 21 Apr, 17:10 |
| Total | $239,810 | |||
Cost = QLD RRP × cleared MW per 5-min interval.
| Service | Cost | Spikes | Peak | When |
|---|---|---|---|---|
| RAISEREG | $14,915 | 0 | $20 | 21 Apr, 14:25 |
| LOWERREG | $7,370 | 0 | $13 | 21 Apr, 07:30 |
| RAISE6SEC | $2,176 | 0 | $17 | 21 Apr, 17:55 |
| RAISE60SEC | $1,267 | 0 | $3 | 21 Apr, 17:55 |
| RAISE5MIN | $296 | 0 | $0 | 21 Apr, 17:10 |
| LOWER60SEC | $68 | 0 | $0 | 21 Apr, 15:00 |
| LOWER5MIN | $50 | 0 | $0 | 21 Apr, 15:00 |
| LOWER6SEC | $9 | 0 | $0 | 21 Apr, 15:05 |
| Total | $26,151 | |||
Cost = VIC RRP × cleared MW per 5-min interval.
| Service | Cost | Spikes | Peak | When |
|---|---|---|---|---|
| LOWERREG | $4,133 | 0 | $13 | 21 Apr, 07:30 |
| RAISEREG | $3,696 | 0 | $20 | 21 Apr, 14:25 |
| RAISE6SEC | $2,340 | 0 | $17 | 21 Apr, 17:55 |
| RAISE60SEC | $505 | 0 | $3 | 21 Apr, 17:55 |
| RAISE5MIN | $101 | 0 | $0 | 21 Apr, 17:10 |
| LOWER60SEC | $35 | 0 | $0 | 21 Apr, 15:00 |
| LOWER5MIN | $28 | 0 | $0 | 21 Apr, 15:00 |
| LOWER6SEC | $6 | 0 | $0 | 21 Apr, 15:05 |
| Total | $10,843 | |||
Cost = SA RRP × cleared MW per 5-min interval.
| Service | Cost | Spikes | Peak | When |
|---|---|---|---|---|
| RAISE6SEC | $13,678 | 0 | $272 | 21 Apr, 16:05 |
| RAISEREG | $12,693 | 0 | $11 | 21 Apr, 17:25 |
| LOWER6SEC | $9,644 | 0 | $53 | 22 Apr, 02:20 |
| LOWERREG | $5,611 | 0 | $4 | 21 Apr, 04:05 |
| RAISE60SEC | $1,522 | 0 | $3 | 21 Apr, 16:05 |
| LOWER60SEC | $1,168 | 0 | $1 | 21 Apr, 06:05 |
| RAISE5MIN | $298 | 0 | $0 | 21 Apr, 04:05 |
| LOWER5MIN | $77 | 0 | $3 | 21 Apr, 06:05 |
| Total | $44,691 | |||
Cost = TAS RRP × cleared MW per 5-min interval.
Battery dispatch
Peak moment
Fleet discharged 573 MW at 17:00 as NSW spot hit $83/MWh.
Peak moment
Fleet discharged 1,215 MW at 18:00 as QLD spot hit $96/MWh.
Peak moment
Fleet discharged 1,155 MW at 18:00 as VIC spot hit $104/MWh.
Peak moment
Fleet discharged 290 MW at 18:30 as SA spot hit $104/MWh.
Peak moment
Fleet discharged 3,079 MW at 18:00 as TAS spot hit $96/MWh.
Discharged
2,044MWh
peak 573 MW · 17:00
Charged
2,034MWh
peak 487 MW
Net
+10MWh
discharge − charge
Round-trip
100%
discharge / charge ratio
Discharged
3,240MWh
peak 1,215 MW · 18:00
Charged
3,443MWh
peak 621 MW
Net
-203MWh
discharge − charge
Round-trip
94%
discharge / charge ratio
Discharged
3,139MWh
peak 1,155 MW · 18:00
Charged
3,646MWh
peak 725 MW
Net
-507MWh
discharge − charge
Round-trip
86%
discharge / charge ratio
Discharged
1,442MWh
peak 290 MW · 18:30
Charged
1,762MWh
peak 405 MW
Net
-320MWh
discharge − charge
Round-trip
82%
discharge / charge ratio
NEM-wide
Discharged
9,865MWh
peak 3,079 MW · 18:00
Charged
10,886MWh
peak 2,210 MW
Net
-1,021MWh
discharge − charge
Round-trip
91%
discharge / charge ratio
Fleet net dispatch · spot-price overlay · 30-min average
Net MWdischarge ↑ · charge ↓NSWQLDVICSATAS$/MWh
Regional dispatch ranking
| Region | Discharged | Net |
|---|---|---|
#1QLD | 3,240MWh | -203 |
#2VIC | 3,139MWh | -507 |
#3NSW | 2,044MWh | +10 |
#4SA | 1,442MWh | -320 |
Generation Mix
- Coal59.9% · 112.3 GWh
- Gas0.6% · 1.0 GWh
- Hydro3.4% · 6.4 GWh
- Wind9.9% · 18.6 GWh
- Solar (utility)14.1% · 26.5 GWh
- Solar (rooftop)10.9% · 20.3 GWh
- Battery1.1% · 2.0 GWh
- Other0.1% · 0.1 GWh
- Coal54.6% · 108.7 GWh
- Gas3.6% · 7.1 GWh
- Hydro4.9% · 9.7 GWh
- Wind10.0% · 19.9 GWh
- Solar (utility)10.9% · 21.7 GWh
- Solar (rooftop)14.4% · 28.6 GWh
- Battery1.6% · 3.2 GWh
- Coal57.9% · 91.8 GWh
- Hydro1.7% · 2.7 GWh
- Wind21.2% · 33.6 GWh
- Solar (utility)5.6% · 8.8 GWh
- Solar (rooftop)11.7% · 18.6 GWh
- Battery2.0% · 3.1 GWh
- Gas7.7% · 2.7 GWh
- Wind55.9% · 19.4 GWh
- Solar (utility)3.9% · 1.4 GWh
- Solar (rooftop)28.3% · 9.8 GWh
- Battery4.2% · 1.4 GWh
- Hydro78.2% · 21.0 GWh
- Wind17.7% · 4.7 GWh
- Solar (rooftop)4.1% · 1.1 GWh
Renewables
NSW · Daily renewable share
27.8%
VIC · Daily renewable share
38.5%
QLD · Daily renewable share
35.5%
SA · Daily renewable share
71.2%
TAS · Daily renewable share
94.4%
Peak instantaneous
56.1%
at 11:10
Daily NEM-wide share
39.1%
By region (daily share)
- NSW 27.8%
- VIC 38.5%
- QLD 35.5%
- SA 71.2%
- TAS 94.4%
Interconnectors
| Region (proxy) | Net flow | Direction changes | Hours at limit |
|---|---|---|---|
| N-Q-MNSP1 | +26.0 GWh | 0 | — |
| NSW1-QLD1 | −40.0 GWh | 12 | — |
| VIC1-NSW1 | +35.3 GWh | 10 | — |
| V-SA | −12.6 GWh | 10 | — |
| T-V-MNSP1 | −3.9 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
Total emissions
304.9k tCO₂
▼ 9.9% vs same day last week
Intensity by region
| NSW | 99.5k tCO₂ | 0.539 tCO₂/MWh |
| QLD | 97.6k tCO₂ | 0.496 tCO₂/MWh |
| SA | 1.3k tCO₂ | 0.037 tCO₂/MWh |
| VIC | 106.6k tCO₂ | 0.678 tCO₂/MWh |
| TAS | 0 tCO₂ | 0.000 tCO₂/MWh |