NEM
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NEM
Daily analysis
Sunday 20 September 2026
Trading day 2026-09-20
Prices
Trading day · 04:00 → 04:00 AEST · 30-min average
NSW VIC QLD SA TAS
| Region | Avg | VWAP | Min | Max | Neg | Cap |
|---|---|---|---|---|---|---|
| NSW | $57 | $69 | -$12 | $384 | 212 | 0 |
| QLD | $60 | $74 | -$12 | $446 | 212 | 0 |
| SA | -$26 | -$15 | -$100 | $1 | 554 | 0 |
| VIC | -$20 | -$13 | -$69 | $146 | 508 | 0 |
| TAS | -$10 | -$9 | -$72 | $270 | 490 | 0 |
Min · Max are 5-minute dispatch extremes; the price chart plots 30-minute averages, so its peak reads lower.
Demand
NSW
Peak
8,434MW
18:55
Trough
3,309MW
12:05
Energy
291.8GWh
QLD
Peak
7,208MW
18:30
Trough
2,681MW
11:35
Energy
242.2GWh
SA
Peak
1,548MW
19:15
Trough
8MW
12:55
Energy
45.9GWh
VIC
Peak
5,489MW
19:00
Trough
2,011MW
12:55
Energy
184.3GWh
TAS
Peak
1,058MW
18:50
Trough
731MW
11:15
Energy
43.5GWh
FCAS
| Service | Cost | Spikes | Peak | When |
|---|---|---|---|---|
| RAISEREG | $2,702 | 0 | $8 | 20 Sept, 09:30 |
| LOWERREG | $1,357 | 0 | $4 | 20 Sept, 15:45 |
| LOWER60SEC | $105 | 0 | $0 | 20 Sept, 11:45 |
| RAISE60SEC | $71 | 0 | $0 | 20 Sept, 04:05 |
| RAISE6SEC | $71 | 0 | $0 | 20 Sept, 04:05 |
| LOWER5MIN | $70 | 0 | $1 | 20 Sept, 15:55 |
| LOWER6SEC | $36 | 0 | $0 | 20 Sept, 15:40 |
| RAISE5MIN | $30 | 0 | $0 | 20 Sept, 05:40 |
| Total | $4,442 | |||
Cost = NSW RRP × cleared MW per 5-min interval.
| Service | Cost | Spikes | Peak | When |
|---|---|---|---|---|
| RAISEREG | $7,833 | 0 | $8 | 20 Sept, 09:30 |
| LOWERREG | $2,401 | 0 | $4 | 20 Sept, 15:45 |
| LOWER60SEC | $380 | 0 | $0 | 20 Sept, 11:45 |
| RAISE6SEC | $195 | 0 | $0 | 20 Sept, 04:05 |
| RAISE60SEC | $188 | 0 | $0 | 20 Sept, 04:05 |
| LOWER5MIN | $161 | 0 | $1 | 20 Sept, 15:55 |
| LOWER6SEC | $56 | 0 | $0 | 20 Sept, 15:40 |
| RAISE5MIN | $35 | 0 | $0 | 20 Sept, 05:40 |
| Total | $11,249 | |||
Cost = QLD RRP × cleared MW per 5-min interval.
| Service | Cost | Spikes | Peak | When |
|---|---|---|---|---|
| RAISEREG | $13,192 | 0 | $8 | 20 Sept, 09:30 |
| LOWERREG | $1,970 | 0 | $4 | 20 Sept, 15:45 |
| RAISE60SEC | $239 | 0 | $0 | 20 Sept, 04:05 |
| LOWER60SEC | $225 | 0 | $0 | 20 Sept, 11:45 |
| RAISE6SEC | $203 | 0 | $0 | 20 Sept, 04:05 |
| LOWER5MIN | $100 | 0 | $1 | 20 Sept, 15:55 |
| RAISE5MIN | $95 | 0 | $0 | 20 Sept, 05:40 |
| LOWER6SEC | $42 | 0 | $0 | 20 Sept, 15:40 |
| Total | $16,066 | |||
Cost = VIC RRP × cleared MW per 5-min interval.
| Service | Cost | Spikes | Peak | When |
|---|---|---|---|---|
| RAISEREG | $3,107 | 0 | $8 | 20 Sept, 09:30 |
| LOWERREG | $1,674 | 0 | $4 | 20 Sept, 15:45 |
| LOWER60SEC | $188 | 0 | $0 | 20 Sept, 11:45 |
| RAISE6SEC | $170 | 0 | $0 | 20 Sept, 04:05 |
| RAISE60SEC | $147 | 0 | $0 | 20 Sept, 04:05 |
| LOWER5MIN | $136 | 0 | $1 | 20 Sept, 15:55 |
| LOWER6SEC | $64 | 0 | $0 | 20 Sept, 15:40 |
| RAISE5MIN | $43 | 0 | $0 | 20 Sept, 05:40 |
| Total | $5,529 | |||
Cost = SA RRP × cleared MW per 5-min interval.
| Service | Cost | Spikes | Peak | When |
|---|---|---|---|---|
| LOWERREG | $34,870 | 0 | $58 | 20 Sept, 11:10 |
| RAISEREG | $12,603 | 0 | $283 | 20 Sept, 14:00 |
| RAISE6SEC | $3,370 | 0 | $337 | 20 Sept, 14:00 |
| RAISE60SEC | $638 | 0 | $0 | 20 Sept, 04:05 |
| LOWER6SEC | $469 | 0 | $41 | 20 Sept, 17:40 |
| LOWER60SEC | $20 | 0 | $0 | 20 Sept, 11:45 |
| LOWER5MIN | $14 | 0 | $1 | 20 Sept, 15:55 |
| RAISE5MIN | $0 | 0 | $0 | 20 Sept, 05:40 |
| Total | $51,986 | |||
Cost = TAS RRP × cleared MW per 5-min interval.
Battery dispatch
Peak moment
Fleet discharged 1,355 MW at 19:00 as NSW spot hit $90/MWh.
Peak moment
Fleet discharged 1,613 MW at 18:30 as QLD spot hit $107/MWh.
Peak moment
Fleet discharged 494 MW at 18:00 as VIC spot hit $62/MWh.
Peak moment
Fleet discharged 22 MW at 19:30 as SA spot hit -$21/MWh.
Peak moment
Fleet discharged 3,067 MW at 19:00 as TAS spot hit $26/MWh.
Discharged
5,620MWh
peak 1,355 MW · 19:00
Charged
8,291MWh
peak 1,344 MW
Net
-2,671MWh
discharge − charge
Round-trip
68%
discharge / charge ratio
Discharged
5,297MWh
peak 1,613 MW · 18:30
Charged
6,352MWh
peak 1,210 MW
Net
-1,055MWh
discharge − charge
Round-trip
83%
discharge / charge ratio
Discharged
1,053MWh
peak 494 MW · 18:00
Charged
4,790MWh
peak 980 MW
Net
-3,737MWh
discharge − charge
Round-trip
22%
discharge / charge ratio
Discharged
159MWh
peak 22 MW · 19:30
Charged
2,405MWh
peak 443 MW
Net
-2,246MWh
discharge − charge
Round-trip
7%
discharge / charge ratio
NEM-wide
Discharged
12,129MWh
peak 3,067 MW · 19:00
Charged
21,838MWh
peak 3,581 MW
Net
-9,709MWh
discharge − charge
Round-trip
56%
discharge / charge ratio
Fleet net dispatch · spot-price overlay · 30-min average
Net MWdischarge ↑ · charge ↓NSWQLDVICSATAS$/MWh
Regional dispatch ranking
| Region | Discharged | Net |
|---|---|---|
#1NSW | 5,620MWh | -2,671 |
#2QLD | 5,297MWh | -1,055 |
#3VIC | 1,053MWh | -3,737 |
#4SA | 159MWh | -2,246 |
Generation Mix
- Coal43.3% · 90.6 GWh
- Gas0.5% · 1.0 GWh
- Hydro5.1% · 10.7 GWh
- Wind13.3% · 27.9 GWh
- Solar (utility)15.0% · 31.3 GWh
- Solar (rooftop)20.1% · 42.0 GWh
- Battery2.7% · 5.6 GWh
- Coal56.2% · 98.8 GWh
- Gas1.6% · 2.7 GWh
- Hydro2.3% · 4.0 GWh
- Wind4.9% · 8.5 GWh
- Solar (utility)9.3% · 16.4 GWh
- Solar (rooftop)22.7% · 39.9 GWh
- Battery3.0% · 5.3 GWh
- Other0.1% · 0.1 GWh
- Coal32.9% · 45.4 GWh
- Hydro0.4% · 0.6 GWh
- Wind44.0% · 60.7 GWh
- Solar (utility)2.9% · 4.0 GWh
- Solar (rooftop)19.1% · 26.4 GWh
- Battery0.8% · 1.1 GWh
- Gas3.1% · 1.4 GWh
- Wind68.2% · 30.4 GWh
- Solar (utility)0.6% · 0.3 GWh
- Solar (rooftop)27.7% · 12.3 GWh
- Battery0.4% · 0.2 GWh
- Hydro48.2% · 9.6 GWh
- Wind42.9% · 8.5 GWh
- Solar (rooftop)8.9% · 1.8 GWh
Renewables
NSW · Daily renewable share
53.9%
VIC · Daily renewable share
70.6%
QLD · Daily renewable share
43.3%
SA · Daily renewable share
110.5%
TAS · Daily renewable share
73.5%
Peak instantaneous
82.1%
at 11:40
Daily NEM-wide share
56.4%
By region (daily share)
- NSW 53.9%
- VIC 70.6%
- QLD 43.3%
- SA 110.5%
- TAS 73.5%
Interconnectors
| Region (proxy) | Net flow | Direction changes | Hours at limit |
|---|---|---|---|
| N-Q-MNSP1 | −5.6 GWh | 33 | — |
| NSW1-QLD1 | +3.8 GWh | 27 | — |
| VIC1-NSW1 | +12.3 GWh | 32 | — |
| V-SA | +7.2 GWh | 19 | — |
| T-V-MNSP1 | −14.5 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
Total emissions
221.5k tCO₂
▼ 10.1% vs same day last week
Intensity by region
| NSW | 79.6k tCO₂ | 0.375 tCO₂/MWh |
| QLD | 87.6k tCO₂ | 0.489 tCO₂/MWh |
| SA | 607 tCO₂ | 0.014 tCO₂/MWh |
| VIC | 53.7k tCO₂ | 0.393 tCO₂/MWh |
| TAS | 0 tCO₂ | 0.000 tCO₂/MWh |