NEM
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NEM
Daily analysis
Wednesday 20 May 2026
Trading day 2026-05-20
Prices
Trading day · 04:00 → 04:00 AEST · 30-min average
NSW VIC QLD SA TAS
| Region | Avg | VWAP | Min | Max | Neg | Cap |
|---|---|---|---|---|---|---|
| NSW | $80 | $84 | -$9 | $193 | 2 | 0 |
| QLD | $67 | $74 | -$10 | $190 | 12 | 0 |
| SA | $85 | $93 | -$0 | $159 | 0 | 0 |
| VIC | $75 | $78 | -$0 | $164 | 0 | 0 |
| TAS | $96 | $96 | $76 | $242 | 0 | 0 |
Min · Max are 5-minute dispatch extremes; the price chart plots 30-minute averages, so its peak reads lower.
Demand
NSW
Peak
9,807MW
18:00
Trough
6,054MW
13:00
Energy
369.7GWh
QLD
Peak
7,636MW
18:10
Trough
4,008MW
11:35
Energy
282.8GWh
SA
Peak
1,768MW
18:25
Trough
707MW
14:00
Energy
64.1GWh
VIC
Peak
7,262MW
18:10
Trough
4,488MW
04:20
Energy
274.7GWh
TAS
Peak
1,297MW
18:45
Trough
874MW
11:00
Energy
52.7GWh
FCAS
| Service | Cost | Spikes | Peak | When |
|---|---|---|---|---|
| RAISEREG | $5,170 | 0 | $35 | 20 May, 15:05 |
| LOWERREG | $1,793 | 0 | $14 | 20 May, 15:55 |
| RAISE60SEC | $415 | 0 | $0 | 20 May, 10:20 |
| RAISE6SEC | $284 | 0 | $0 | 20 May, 18:30 |
| RAISE5MIN | $73 | 0 | $0 | 20 May, 10:20 |
| LOWER60SEC | $25 | 0 | $0 | 20 May, 14:40 |
| LOWER5MIN | $11 | 0 | $0 | 20 May, 15:30 |
| LOWER6SEC | $4 | 0 | $0 | 20 May, 04:05 |
| Total | $7,776 | |||
Cost = NSW RRP × cleared MW per 5-min interval.
| Service | Cost | Spikes | Peak | When |
|---|---|---|---|---|
| LOWER6SEC | $26,462 | 0 | $32 | 20 May, 15:55 |
| LOWER60SEC | $20,815 | 0 | $6 | 20 May, 15:40 |
| RAISEREG | $9,995 | 0 | $35 | 20 May, 15:05 |
| LOWER5MIN | $7,072 | 0 | $11 | 20 May, 16:05 |
| LOWERREG | $3,466 | 0 | $15 | 20 May, 16:05 |
| RAISE6SEC | $333 | 0 | $0 | 20 May, 17:45 |
| RAISE60SEC | $131 | 0 | $0 | 20 May, 07:10 |
| RAISE5MIN | $91 | 0 | $0 | 20 May, 07:25 |
| Total | $68,365 | |||
Cost = QLD RRP × cleared MW per 5-min interval.
| Service | Cost | Spikes | Peak | When |
|---|---|---|---|---|
| RAISEREG | $14,438 | 0 | $35 | 20 May, 15:05 |
| LOWERREG | $4,956 | 0 | $14 | 20 May, 15:55 |
| RAISE60SEC | $943 | 0 | $0 | 20 May, 10:20 |
| RAISE6SEC | $727 | 0 | $0 | 20 May, 18:30 |
| RAISE5MIN | $174 | 0 | $0 | 20 May, 10:20 |
| LOWER60SEC | $25 | 0 | $0 | 20 May, 14:40 |
| LOWER5MIN | $6 | 0 | $0 | 20 May, 15:30 |
| LOWER6SEC | $5 | 0 | $0 | 20 May, 04:05 |
| Total | $21,274 | |||
Cost = VIC RRP × cleared MW per 5-min interval.
| Service | Cost | Spikes | Peak | When |
|---|---|---|---|---|
| RAISEREG | $10,154 | 0 | $35 | 20 May, 15:05 |
| LOWERREG | $3,652 | 0 | $14 | 20 May, 15:55 |
| RAISE60SEC | $298 | 0 | $0 | 20 May, 10:20 |
| RAISE6SEC | $259 | 0 | $0 | 20 May, 18:30 |
| RAISE5MIN | $57 | 0 | $0 | 20 May, 10:20 |
| LOWER60SEC | $26 | 0 | $0 | 20 May, 14:40 |
| LOWER5MIN | $7 | 0 | $0 | 20 May, 15:30 |
| LOWER6SEC | $4 | 0 | $0 | 20 May, 04:05 |
| Total | $14,458 | |||
Cost = SA RRP × cleared MW per 5-min interval.
| Service | Cost | Spikes | Peak | When |
|---|---|---|---|---|
| RAISEREG | $15,594 | 0 | $136 | 20 May, 16:00 |
| LOWER6SEC | $5,391 | 0 | $3 | 20 May, 04:05 |
| LOWERREG | $3,947 | 0 | $3 | 20 May, 04:05 |
| RAISE6SEC | $3,840 | 0 | $24 | 20 May, 16:05 |
| RAISE60SEC | $1,868 | 0 | $3 | 20 May, 16:05 |
| LOWER60SEC | $1,656 | 0 | $3 | 20 May, 16:05 |
| RAISE5MIN | $259 | 0 | $3 | 20 May, 16:05 |
| LOWER5MIN | $117 | 0 | $0 | 20 May, 04:05 |
| Total | $32,673 | |||
Cost = TAS RRP × cleared MW per 5-min interval.
Battery dispatch
Peak moment
Fleet discharged 656 MW at 18:30 as NSW spot hit $117/MWh.
Peak moment
Fleet discharged 936 MW at 18:30 as QLD spot hit $106/MWh.
Peak moment
Fleet discharged 681 MW at 07:30 as VIC spot hit $90/MWh.
Peak moment
Fleet discharged 453 MW at 07:30 as SA spot hit $95/MWh.
Peak moment
Fleet discharged 2,208 MW at 07:30 as TAS spot hit $103/MWh.
Discharged
4,237MWh
peak 656 MW · 18:30
Charged
4,909MWh
peak 941 MW
Net
-672MWh
discharge − charge
Round-trip
86%
discharge / charge ratio
Discharged
4,600MWh
peak 936 MW · 18:30
Charged
4,391MWh
peak 1,237 MW
Net
+209MWh
discharge − charge
Round-trip
105%
discharge / charge ratio
Discharged
3,803MWh
peak 681 MW · 07:30
Charged
4,748MWh
peak 864 MW
Net
-944MWh
discharge − charge
Round-trip
80%
discharge / charge ratio
Discharged
1,616MWh
peak 453 MW · 07:30
Charged
1,745MWh
peak 424 MW
Net
-129MWh
discharge − charge
Round-trip
93%
discharge / charge ratio
NEM-wide
Discharged
14,256MWh
peak 2,208 MW · 07:30
Charged
15,792MWh
peak 3,010 MW
Net
-1,536MWh
discharge − charge
Round-trip
90%
discharge / charge ratio
Fleet net dispatch · spot-price overlay · 30-min average
Net MWdischarge ↑ · charge ↓NSWQLDVICSATAS$/MWh
Regional dispatch ranking
| Region | Discharged | Net |
|---|---|---|
#1QLD | 4,600MWh | +209 |
#2NSW | 4,237MWh | -672 |
#3VIC | 3,803MWh | -944 |
#4SA | 1,616MWh | -129 |
Generation Mix
- Coal61.7% · 126.2 GWh
- Gas2.2% · 4.5 GWh
- Hydro3.9% · 7.9 GWh
- Wind7.7% · 15.7 GWh
- Solar (utility)10.9% · 22.3 GWh
- Solar (rooftop)11.5% · 23.6 GWh
- Battery2.1% · 4.2 GWh
- Coal51.4% · 98.6 GWh
- Gas5.1% · 9.9 GWh
- Hydro2.4% · 4.6 GWh
- Wind14.2% · 27.2 GWh
- Solar (utility)10.5% · 20.2 GWh
- Solar (rooftop)13.8% · 26.5 GWh
- Battery2.4% · 4.6 GWh
- Other0.1% · 0.1 GWh
- Coal60.1% · 103.1 GWh
- Gas2.4% · 4.2 GWh
- Hydro6.8% · 11.7 GWh
- Wind19.5% · 33.5 GWh
- Solar (utility)3.5% · 6.0 GWh
- Solar (rooftop)5.4% · 9.2 GWh
- Battery2.2% · 3.8 GWh
- Gas32.3% · 10.3 GWh
- Wind35.6% · 11.3 GWh
- Solar (utility)6.5% · 2.1 GWh
- Solar (rooftop)20.5% · 6.5 GWh
- Battery5.1% · 1.6 GWh
- Hydro78.6% · 22.1 GWh
- Wind18.4% · 5.2 GWh
- Solar (rooftop)3.0% · 0.9 GWh
Renewables
NSW · Daily renewable share
25.1%
VIC · Daily renewable share
37.1%
QLD · Daily renewable share
37.5%
SA · Daily renewable share
43.3%
TAS · Daily renewable share
94.9%
Peak instantaneous
53.3%
at 11:20
Daily NEM-wide share
36.8%
By region (daily share)
- NSW 25.1%
- VIC 37.1%
- QLD 37.5%
- SA 43.3%
- TAS 94.9%
Interconnectors
| Region (proxy) | Net flow | Direction changes | Hours at limit |
|---|---|---|---|
| N-Q-MNSP1 | +26.5 GWh | 0 | — |
| NSW1-QLD1 | −24.7 GWh | 8 | — |
| VIC1-NSW1 | +24.1 GWh | 10 | — |
| V-SA | −20.1 GWh | 0 | — |
| T-V-MNSP1 | −2.8 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
331.2k tCO₂
▲ 1.4% vs same day last week
Intensity by region
| NSW | 114.1k tCO₂ | 0.564 tCO₂/MWh |
| QLD | 90.6k tCO₂ | 0.478 tCO₂/MWh |
| SA | 4.6k tCO₂ | 0.144 tCO₂/MWh |
| VIC | 121.8k tCO₂ | 0.713 tCO₂/MWh |
| TAS | 0 tCO₂ | 0.000 tCO₂/MWh |