NEM
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NEM
Daily analysis
Sunday 17 May 2026
Trading day 2026-05-17
Prices
Trading day · 04:00 → 04:00 AEST · 30-min average
NSW VIC QLD SA TAS
| Region | Avg | VWAP | Min | Max | Neg | Cap |
|---|---|---|---|---|---|---|
| NSW | $145 | $147 | $77 | $290 | 0 | 0 |
| QLD | $115 | $120 | $40 | $232 | 0 | 0 |
| SA | $138 | $142 | $99 | $227 | 0 | 0 |
| VIC | $141 | $142 | $97 | $244 | 0 | 0 |
| TAS | $110 | $110 | $96 | $350 | 0 | 0 |
Min · Max are 5-minute dispatch extremes; the price chart plots 30-minute averages, so its peak reads lower.
Demand
NSW
Peak
8,972MW
17:45
Trough
6,170MW
05:00
Energy
348.4GWh
QLD
Peak
7,527MW
17:50
Trough
4,168MW
10:45
Energy
280.2GWh
SA
Peak
1,624MW
18:25
Trough
588MW
13:20
Energy
55.8GWh
VIC
Peak
6,391MW
18:00
Trough
4,073MW
04:35
Energy
243.7GWh
TAS
Peak
1,321MW
18:05
Trough
869MW
05:50
Energy
53.6GWh
FCAS
| Service | Cost | Spikes | Peak | When |
|---|---|---|---|---|
| RAISEREG | $15,554 | 0 | $27 | 17 May, 11:55 |
| LOWERREG | $568 | 0 | $14 | 17 May, 23:35 |
| RAISE60SEC | $398 | 0 | $0 | 17 May, 17:40 |
| RAISE6SEC | $330 | 0 | $0 | 17 May, 17:40 |
| RAISE5MIN | $77 | 0 | $0 | 17 May, 19:35 |
| LOWER60SEC | $4 | 0 | $0 | 18 May, 04:00 |
| LOWER6SEC | $3 | 0 | $0 | 18 May, 03:10 |
| LOWER5MIN | $2 | 0 | $0 | 17 May, 12:50 |
| Total | $16,936 | |||
Cost = NSW RRP × cleared MW per 5-min interval.
| Service | Cost | Spikes | Peak | When |
|---|---|---|---|---|
| RAISEREG | $25,029 | 0 | $27 | 17 May, 11:55 |
| LOWER6SEC | $19,994 | 0 | $6 | 17 May, 12:35 |
| LOWER60SEC | $18,135 | 0 | $6 | 17 May, 17:25 |
| LOWERREG | $3,939 | 0 | $14 | 17 May, 23:35 |
| LOWER5MIN | $1,691 | 0 | $1 | 17 May, 11:50 |
| RAISE6SEC | $319 | 0 | $0 | 17 May, 17:05 |
| RAISE60SEC | $121 | 0 | $0 | 17 May, 17:05 |
| RAISE5MIN | $71 | 0 | $0 | 17 May, 06:55 |
| Total | $69,300 | |||
Cost = QLD RRP × cleared MW per 5-min interval.
| Service | Cost | Spikes | Peak | When |
|---|---|---|---|---|
| RAISEREG | $29,388 | 0 | $27 | 17 May, 11:55 |
| LOWERREG | $2,554 | 0 | $14 | 17 May, 23:35 |
| RAISE60SEC | $852 | 0 | $0 | 17 May, 17:40 |
| RAISE6SEC | $737 | 0 | $0 | 17 May, 17:40 |
| RAISE5MIN | $162 | 0 | $0 | 17 May, 19:35 |
| LOWER60SEC | $12 | 0 | $0 | 18 May, 04:00 |
| LOWER6SEC | $4 | 0 | $0 | 18 May, 03:10 |
| LOWER5MIN | $3 | 0 | $0 | 17 May, 12:50 |
| Total | $33,712 | |||
Cost = VIC RRP × cleared MW per 5-min interval.
| Service | Cost | Spikes | Peak | When |
|---|---|---|---|---|
| RAISEREG | $19,500 | 0 | $27 | 17 May, 11:55 |
| LOWERREG | $5,168 | 0 | $14 | 17 May, 23:35 |
| RAISE6SEC | $273 | 0 | $0 | 17 May, 17:40 |
| RAISE60SEC | $272 | 0 | $0 | 17 May, 17:40 |
| RAISE5MIN | $51 | 0 | $0 | 17 May, 19:35 |
| LOWER60SEC | $9 | 0 | $0 | 18 May, 04:00 |
| LOWER6SEC | $6 | 0 | $0 | 18 May, 03:10 |
| LOWER5MIN | $4 | 0 | $0 | 17 May, 12:50 |
| Total | $25,283 | |||
Cost = SA RRP × cleared MW per 5-min interval.
| Service | Cost | Spikes | Peak | When |
|---|---|---|---|---|
| RAISEREG | $19,501 | 0 | $243 | 17 May, 14:20 |
| RAISE6SEC | $11,155 | 0 | $47 | 17 May, 14:25 |
| LOWER6SEC | $10,815 | 0 | $3 | 17 May, 04:05 |
| RAISE60SEC | $10,533 | 0 | $237 | 17 May, 14:20 |
| LOWERREG | $3,845 | 0 | $3 | 17 May, 04:15 |
| LOWER60SEC | $1,934 | 0 | $1 | 17 May, 04:35 |
| LOWER5MIN | $320 | 0 | $0 | 17 May, 04:05 |
| RAISE5MIN | $295 | 0 | $0 | 17 May, 04:10 |
| Total | $58,399 | |||
Cost = TAS RRP × cleared MW per 5-min interval.
Battery dispatch
Peak moment
Fleet discharged 631 MW at 18:00 as NSW spot hit $218/MWh.
Peak moment
Fleet discharged 981 MW at 18:00 as QLD spot hit $202/MWh.
Peak moment
Fleet discharged 659 MW at 18:00 as VIC spot hit $190/MWh.
Peak moment
Fleet discharged 156 MW at 19:00 as SA spot hit $160/MWh.
Peak moment
Fleet discharged 2,421 MW at 18:00 as TAS spot hit $140/MWh.
Discharged
1,529MWh
peak 631 MW · 18:00
Charged
2,190MWh
peak 663 MW
Net
-661MWh
discharge − charge
Round-trip
70%
discharge / charge ratio
Discharged
3,151MWh
peak 981 MW · 18:00
Charged
4,701MWh
peak 1,018 MW
Net
-1,550MWh
discharge − charge
Round-trip
67%
discharge / charge ratio
Discharged
2,458MWh
peak 659 MW · 18:00
Charged
3,836MWh
peak 547 MW
Net
-1,378MWh
discharge − charge
Round-trip
64%
discharge / charge ratio
Discharged
838MWh
peak 156 MW · 19:00
Charged
1,441MWh
peak 323 MW
Net
-604MWh
discharge − charge
Round-trip
58%
discharge / charge ratio
NEM-wide
Discharged
7,976MWh
peak 2,421 MW · 18:00
Charged
12,169MWh
peak 1,534 MW
Net
-4,192MWh
discharge − charge
Round-trip
66%
discharge / charge ratio
Fleet net dispatch · spot-price overlay · 30-min average
Net MWdischarge ↑ · charge ↓NSWQLDVICSATAS$/MWh
Regional dispatch ranking
| Region | Discharged | Net |
|---|---|---|
#1QLD | 3,151MWh | -1,550 |
#2VIC | 2,458MWh | -1,378 |
#3NSW | 1,529MWh | -661 |
#4SA | 838MWh | -604 |
Generation Mix
- Coal77.1% · 142.0 GWh
- Gas0.9% · 1.7 GWh
- Hydro5.3% · 9.8 GWh
- Wind4.9% · 9.0 GWh
- Solar (utility)4.1% · 7.6 GWh
- Solar (rooftop)6.8% · 12.5 GWh
- Battery0.8% · 1.5 GWh
- Coal56.2% · 102.9 GWh
- Gas7.9% · 14.4 GWh
- Hydro2.5% · 4.6 GWh
- Wind11.1% · 20.3 GWh
- Solar (utility)9.7% · 17.8 GWh
- Solar (rooftop)10.8% · 19.8 GWh
- Battery1.7% · 3.2 GWh
- Coal71.2% · 93.4 GWh
- Gas5.3% · 6.9 GWh
- Hydro13.3% · 17.4 GWh
- Wind3.5% · 4.5 GWh
- Solar (utility)1.6% · 2.1 GWh
- Solar (rooftop)3.3% · 4.3 GWh
- Battery1.9% · 2.5 GWh
- Gas62.5% · 21.1 GWh
- Wind10.9% · 3.7 GWh
- Solar (utility)6.0% · 2.0 GWh
- Solar (rooftop)18.0% · 6.1 GWh
- Battery2.5% · 0.8 GWh
- Gas3.0% · 0.9 GWh
- Hydro90.8% · 27.5 GWh
- Wind5.5% · 1.7 GWh
- Solar (rooftop)0.7% · 0.2 GWh
Renewables
NSW · Daily renewable share
15.0%
VIC · Daily renewable share
20.7%
QLD · Daily renewable share
30.7%
SA · Daily renewable share
22.1%
TAS · Daily renewable share
102.9%
Peak instantaneous
33.5%
at 09:50
Daily NEM-wide share
26.1%
By region (daily share)
- NSW 15.0%
- VIC 20.7%
- QLD 30.7%
- SA 22.1%
- TAS 102.9%
Interconnectors
| Region (proxy) | Net flow | Direction changes | Hours at limit |
|---|---|---|---|
| N-Q-MNSP1 | +26.4 GWh | 0 | — |
| NSW1-QLD1 | −27.0 GWh | 1 | — |
| VIC1-NSW1 | +2.6 GWh | 22 | — |
| V-SA | −2.7 GWh | 24 | — |
| T-V-MNSP1 | +3.3 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
346.4k tCO₂
▲ 4.6% vs same day last week
Intensity by region
| NSW | 126.5k tCO₂ | 0.697 tCO₂/MWh |
| QLD | 96.4k tCO₂ | 0.531 tCO₂/MWh |
| SA | 10.2k tCO₂ | 0.303 tCO₂/MWh |
| VIC | 112.7k tCO₂ | 0.862 tCO₂/MWh |
| TAS | 592 tCO₂ | 0.020 tCO₂/MWh |