NEM
NEM Daily analysis

Thursday 4 June 2026

Trading day 2026-06-04

Market Snapshot

Renewables reach nearly half of generation as South Australian prices drop

Regional price averages ranged from $17.30/MWh in South Australia to $82.30/MWh in Tasmania. Queensland and South Australia experienced negative price intervals, while New South Wales and Tasmania maintained positive pricing throughout the day. New South Wales recorded the highest peak demand of 10,540 MW at 18:25.

Wind generation was a significant contributor at 30.7% of the total mix, while utility and rooftop solar combined for 13.2%. Total renewable penetration reached an instantaneous peak of 59.4% at 11:50. Coal remained the primary source at 45.8%, with gas and hydro providing 2.0% and 6.6% respectively.

Batteries discharged 11,681 MWh to the grid, finishing the day with a net consumption of 4,139 MWh. FCAS costs were led by the Raise 60 Second service at $176,725, with a peak price of $991/MWh in South Australia. Total emissions fell 22.8% compared to the same day last week.

Today · Queensland is forecast to reach a peak price of $319.04/MWh at 19:30, while other regions expect peaks between $61.84/MWh and $145.00/MWh.

Why it matters · the day was characterised by a 32.7% reduction in average prices relative to the previous seven-day period

NSW $49VIC $29QLD $46SA $17TAS $82
Numbers-only recap · gemini-3-flash-preview

Prices

Trading day · 04:00 → 04:00 AEST · 30-min average

NSW VIC QLD SA TAS
$0 $25 $50 $75 $100 -$10 $18 $45 $73 $100 -$20 $13 $45 $78 $110 -$20 $10 $40 $70 $100 $0 $28 $55 $83 $110 04:00 10:00 16:00 22:00 04:00
Region Avg VWAP Min Max Neg Cap
NSW $49 $50 $22 $81 0 0
QLD $46 $51 -$69 $111 3 0
SA $17 $19 -$20 $120 14 0
VIC $29 $31 -$15 $104 3 0
TAS $82 $83 $67 $107 0 0

Min · Max are 5-minute dispatch extremes; the price chart plots 30-minute averages, so its peak reads lower.

Demand

NSW
Peak
10,540MW
18:25
Trough
6,773MW
04:15
Energy
397.1GWh
QLD
Peak
7,767MW
17:50
Trough
3,983MW
12:35
Energy
285.2GWh
SA
Peak
2,316MW
18:35
Trough
1,397MW
04:35
Energy
83.6GWh
VIC
Peak
8,063MW
17:40
Trough
4,484MW
04:10
Energy
310.1GWh
TAS
Peak
1,258MW
08:35
Trough
897MW
02:35
Energy
53.0GWh

FCAS

ServiceCostSpikesPeakWhen
RAISEREG$8,7070$164 June, 16:05
LOWERREG$1,8790$204 June, 16:20
RAISE60SEC$2830$04 June, 08:15
RAISE6SEC$2500$04 June, 08:05
LOWER60SEC$1310$14 June, 11:20
RAISE5MIN$1150$04 June, 08:15
LOWER5MIN$770$04 June, 15:35
LOWER6SEC$260$04 June, 16:35
Total$11,467

Cost = NSW RRP × cleared MW per 5-min interval.

ServiceCostSpikesPeakWhen
RAISEREG$8,7660$164 June, 16:05
LOWERREG$3,9720$204 June, 16:20
RAISE6SEC$4960$04 June, 08:05
LOWER60SEC$4940$14 June, 11:20
RAISE60SEC$4580$04 June, 08:15
LOWER5MIN$1600$04 June, 15:35
RAISE5MIN$1300$04 June, 08:15
LOWER6SEC$960$04 June, 16:35
Total$14,571

Cost = QLD RRP × cleared MW per 5-min interval.

ServiceCostSpikesPeakWhen
RAISEREG$10,8510$164 June, 16:05
LOWERREG$4,5340$204 June, 16:20
RAISE60SEC$4920$04 June, 08:15
LOWER60SEC$3850$14 June, 11:20
RAISE6SEC$3430$04 June, 08:05
RAISE5MIN$1680$04 June, 08:15
LOWER5MIN$770$04 June, 15:35
LOWER6SEC$450$04 June, 16:35
Total$16,893

Cost = VIC RRP × cleared MW per 5-min interval.

ServiceCostSpikesPeakWhen
RAISE60SEC$173,4010$9914 June, 14:20
RAISE6SEC$31,2170$504 June, 12:45
RAISEREG$6,8860$164 June, 16:05
LOWER60SEC$6,6550$324 June, 15:25
LOWERREG$5,9470$204 June, 16:20
RAISE5MIN$4,1320$64 June, 13:25
LOWER6SEC$2,3670$124 June, 15:10
LOWER5MIN$2120$04 June, 14:55
Total$230,817

Cost = SA RRP × cleared MW per 5-min interval.

ServiceCostSpikesPeakWhen
RAISE6SEC$21,3020$1944 June, 14:50
RAISEREG$11,6620$84 June, 10:35
LOWERREG$6,6410$354 June, 15:05
RAISE60SEC$2,0920$24 June, 10:35
LOWER6SEC$1,7790$144 June, 14:40
LOWER60SEC$1,2620$14 June, 14:45
RAISE5MIN$3750$04 June, 06:10
LOWER5MIN$260$04 June, 15:35
Total$45,139

Cost = TAS RRP × cleared MW per 5-min interval.

Battery dispatch

Peak moment

Fleet discharged 471 MW at 18:00 as NSW spot hit $68/MWh.

Peak moment

Fleet discharged 1,133 MW at 18:00 as QLD spot hit $86/MWh.

Peak moment

Fleet discharged 586 MW at 08:00 as VIC spot hit $34/MWh.

Peak moment

Fleet discharged 310 MW at 20:00 as SA spot hit $57/MWh.

Peak moment

Fleet discharged 1,986 MW at 19:00 as TAS spot hit $80/MWh.

Discharged
2,848MWh
peak 471 MW · 18:00
Charged
3,250MWh
peak 609 MW
Net
-402MWh
discharge − charge
Round-trip
88%
discharge / charge ratio
Discharged
4,464MWh
peak 1,133 MW · 18:00
Charged
6,272MWh
peak 1,370 MW
Net
-1,808MWh
discharge − charge
Round-trip
71%
discharge / charge ratio
Discharged
3,289MWh
peak 586 MW · 08:00
Charged
3,854MWh
peak 489 MW
Net
-565MWh
discharge − charge
Round-trip
85%
discharge / charge ratio
Discharged
1,080MWh
peak 310 MW · 20:00
Charged
2,444MWh
peak 353 MW
Net
-1,364MWh
discharge − charge
Round-trip
44%
discharge / charge ratio
NEM-wide
Discharged
11,681MWh
peak 1,986 MW · 19:00
Charged
15,820MWh
peak 2,267 MW
Net
-4,139MWh
discharge − charge
Round-trip
74%
discharge / charge ratio

Fleet net dispatch · spot-price overlay · 30-min average

Net MWdischarge ↑ · charge ↓NSWQLDVICSATAS$/MWh
-4.0 GW-2.0 GW0 MW2.0 GW-$50$0$50$10023:3006:3713:4520:5204:00

Regional dispatch ranking

RegionDischargedNet
#1QLD
4,464MWh
-1,808
#2VIC
3,289MWh
-565
#3NSW
2,848MWh
-402
#4SA
1,080MWh
-1,364

Generation Mix

TOP FUEL 52.8%
  • Coal52.8% · 109.9 GWh
  • Gas0.7% · 1.5 GWh
  • Hydro5.0% · 10.5 GWh
  • Wind25.4% · 52.8 GWh
  • Solar (utility)5.7% · 11.9 GWh
  • Solar (rooftop)8.9% · 18.5 GWh
  • Battery1.4% · 2.8 GWh
TOP FUEL 53.8%
  • Coal53.8% · 100.0 GWh
  • Gas4.5% · 8.4 GWh
  • Hydro2.6% · 4.8 GWh
  • Wind12.4% · 23.0 GWh
  • Solar (utility)10.4% · 19.3 GWh
  • Solar (rooftop)13.9% · 25.9 GWh
  • Battery2.4% · 4.5 GWh
TOP FUEL 48.6%
  • Coal48.6% · 96.0 GWh
  • Hydro2.8% · 5.6 GWh
  • Wind43.6% · 86.1 GWh
  • Solar (utility)1.0% · 2.0 GWh
  • Solar (rooftop)2.3% · 4.5 GWh
  • Battery1.7% · 3.3 GWh
TOP FUEL 79.2%
  • Gas6.5% · 3.2 GWh
  • Wind79.2% · 38.5 GWh
  • Solar (utility)3.0% · 1.4 GWh
  • Solar (rooftop)9.1% · 4.4 GWh
  • Battery2.2% · 1.1 GWh
TOP FUEL 81.6%
  • Hydro81.6% · 23.1 GWh
  • Wind17.2% · 4.9 GWh
  • Solar (rooftop)1.2% · 0.3 GWh
coalgashydrobattery dischargewindsolar utilitysolar rooftopBattery (charge)
23:3005:3711:4517:5200:0010.1 GW 0
coalgashydrobattery dischargewindsolar utilitysolar rooftopBattery (charge)
23:3005:3711:4517:5200:009.6 GW 0
coalhydrobattery dischargewindsolar utilitysolar rooftopBattery (charge)
23:3005:3711:4517:5200:0010.4 GW 0
gasbattery dischargewindsolar utilitysolar rooftopBattery (charge)
23:3005:3711:4517:5200:002.6 GW 0
hydrowindsolar rooftop
23:3005:3711:4517:5200:001.4 GW 0

Renewables

NSW · Daily renewable share
34.1%
VIC · Daily renewable share
56.3%
QLD · Daily renewable share
33.8%
SA · Daily renewable share
90.9%
TAS · Daily renewable share
93.0%
Peak instantaneous
59.4%
at 11:50
Daily NEM-wide share
47.5%
By region (daily share)
  • NSW
    34.1%
  • VIC
    56.3%
  • QLD
    33.8%
  • SA
    90.9%
  • TAS
    93.0%

Interconnectors

Region (proxy) Net flow Direction changes Hours at limit
N-Q-MNSP1 +13.1 GWh 7 —
NSW1-QLD1 −43.7 GWh 0 —
VIC1-NSW1 +43.2 GWh 2 —
V-SA −6.0 GWh 14 —
T-V-MNSP1 −1.4 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
302.1k tCO₂
▼ 22.8% vs same day last week
Intensity by region
NSW 97.6k tCO₂ 0.475 tCO₂/MWh
QLD 91.2k tCO₂ 0.494 tCO₂/MWh
SA 1.5k tCO₂ 0.031 tCO₂/MWh
VIC 111.8k tCO₂ 0.569 tCO₂/MWh
TAS 0 tCO₂ 0.000 tCO₂/MWh