NEM
NEM Daily analysis

Tuesday 29 September 2026

Trading day 2026-09-29

Prices

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

NSW VIC QLD SA TAS
-$10 $18 $45 $73 $100 -$50 -$12 $25 $63 $100 $0 $25 $50 $75 $100 -$40 -$5 $30 $65 $100 -$50 -$12 $25 $63 $100 04:00 10:00 16:00 22:00 04:00
Region Avg VWAP Min Max Neg Cap
NSW $64 $67 -$11 $90 16 0
QLD $64 $65 $0 $86 0 0
SA $7 $13 -$44 $138 308 0
VIC -$8 -$6 -$45 $30 304 0
TAS $3 $4 -$47 $87 280 0

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

Demand

NSW
Peak
8,973MW
18:35
Trough
4,017MW
13:20
Energy
324.2GWh
QLD
Peak
7,425MW
18:25
Trough
4,706MW
13:40
Energy
282.9GWh
SA
Peak
1,729MW
18:20
Trough
494MW
11:30
Energy
59.4GWh
VIC
Peak
5,984MW
19:05
Trough
3,089MW
12:45
Energy
222.5GWh
TAS
Peak
1,197MW
18:45
Trough
863MW
12:35
Energy
49.0GWh

FCAS

ServiceCostSpikesPeakWhen
RAISEREG$6,7210$829 Sept, 16:55
LOWERREG$1,8070$529 Sept, 15:00
LOWER60SEC$620$129 Sept, 14:55
RAISE6SEC$460$029 Sept, 04:40
LOWER5MIN$460$029 Sept, 15:45
RAISE60SEC$450$029 Sept, 05:20
LOWER6SEC$440$029 Sept, 13:55
RAISE5MIN$160$029 Sept, 06:50
Total$8,786

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

ServiceCostSpikesPeakWhen
RAISEREG$8,5050$829 Sept, 16:55
LOWERREG$3,5010$529 Sept, 15:00
LOWER60SEC$2610$129 Sept, 14:55
RAISE6SEC$2080$029 Sept, 04:40
RAISE60SEC$1940$029 Sept, 05:20
LOWER5MIN$1420$029 Sept, 15:45
LOWER6SEC$1390$029 Sept, 13:55
RAISE5MIN$400$029 Sept, 06:50
Total$12,990

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

ServiceCostSpikesPeakWhen
RAISEREG$14,3590$829 Sept, 16:55
LOWERREG$2,2910$529 Sept, 15:00
LOWER60SEC$2140$129 Sept, 14:55
RAISE60SEC$1950$029 Sept, 05:20
RAISE6SEC$1740$029 Sept, 04:40
LOWER6SEC$930$029 Sept, 13:55
RAISE5MIN$790$029 Sept, 06:50
LOWER5MIN$390$029 Sept, 15:45
Total$17,443

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

ServiceCostSpikesPeakWhen
LOWERREG$3,4820$529 Sept, 15:00
RAISEREG$2,0440$829 Sept, 16:55
LOWER60SEC$1920$129 Sept, 14:55
RAISE6SEC$1680$029 Sept, 04:40
RAISE60SEC$1540$029 Sept, 05:20
LOWER6SEC$1290$029 Sept, 13:55
LOWER5MIN$760$029 Sept, 15:45
RAISE5MIN$380$029 Sept, 06:50
Total$6,282

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

ServiceCostSpikesPeakWhen
RAISEREG$17,1032$1,00929 Sept, 09:05
LOWERREG$11,7140$12929 Sept, 08:05
RAISE6SEC$8140$329 Sept, 08:05
RAISE60SEC$7910$029 Sept, 04:05
LOWER60SEC$90$129 Sept, 14:55
LOWER6SEC$50$029 Sept, 13:55
RAISE5MIN$00$029 Sept, 07:45
LOWER5MIN$00$029 Sept, 15:20
Total$30,436

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

Battery dispatch

Peak moment

Fleet discharged 1,542 MW at 19:00 as NSW spot hit $86/MWh.

Peak moment

Fleet discharged 1,676 MW at 18:30 as QLD spot hit $80/MWh.

Peak moment

Fleet discharged 825 MW at 18:30 as VIC spot hit $12/MWh.

Peak moment

Fleet discharged 208 MW at 20:00 as SA spot hit $43/MWh.

Peak moment

Fleet discharged 4,141 MW at 18:30 as TAS spot hit $43/MWh.

Discharged
6,363MWh
peak 1,542 MW · 19:00
Charged
7,144MWh
peak 1,643 MW
Net
-781MWh
discharge − charge
Round-trip
89%
discharge / charge ratio
Discharged
5,597MWh
peak 1,676 MW · 18:30
Charged
6,356MWh
peak 1,464 MW
Net
-759MWh
discharge − charge
Round-trip
88%
discharge / charge ratio
Discharged
2,428MWh
peak 825 MW · 18:30
Charged
5,192MWh
peak 860 MW
Net
-2,764MWh
discharge − charge
Round-trip
47%
discharge / charge ratio
Discharged
605MWh
peak 208 MW · 20:00
Charged
2,182MWh
peak 465 MW
Net
-1,577MWh
discharge − charge
Round-trip
28%
discharge / charge ratio
NEM-wide
Discharged
14,992MWh
peak 4,141 MW · 18:30
Charged
20,873MWh
peak 4,148 MW
Net
-5,881MWh
discharge − charge
Round-trip
72%
discharge / charge ratio

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

Net MWdischarge ↑ · charge ↓NSWQLDVICSATAS$/MWh
-5.0 GW0 MW5.0 GW-$50$0$50$10023:3006:3713:4520:5204:00

Regional dispatch ranking

RegionDischargedNet
#1NSW
6,363MWh
-781
#2QLD
5,597MWh
-759
#3VIC
2,428MWh
-2,764
#4SA
605MWh
-1,577

Generation Mix

TOP FUEL 48.1%
  • Coal48.1% · 96.8 GWh
  • Gas0.7% · 1.4 GWh
  • Hydro3.1% · 6.2 GWh
  • Wind7.8% · 15.6 GWh
  • Solar (utility)16.6% · 33.3 GWh
  • Solar (rooftop)20.6% · 41.4 GWh
  • Battery3.2% · 6.4 GWh
  • Other0.1% · 0.2 GWh
TOP FUEL 56.0%
  • Coal56.0% · 103.4 GWh
  • Gas1.6% · 3.0 GWh
  • Hydro1.8% · 3.3 GWh
  • Wind16.0% · 29.5 GWh
  • Solar (utility)7.1% · 13.1 GWh
  • Solar (rooftop)14.2% · 26.2 GWh
  • Battery3.0% · 5.6 GWh
  • Other0.3% · 0.5 GWh
TOP FUEL 39.2%
  • Coal38.5% · 66.4 GWh
  • Hydro0.2% · 0.4 GWh
  • Wind39.2% · 67.6 GWh
  • Solar (utility)5.4% · 9.3 GWh
  • Solar (rooftop)15.3% · 26.4 GWh
  • Battery1.4% · 2.4 GWh
TOP FUEL 69.7%
  • Gas3.0% · 1.4 GWh
  • Wind69.7% · 32.4 GWh
  • Solar (utility)0.7% · 0.3 GWh
  • Solar (rooftop)25.3% · 11.7 GWh
  • Battery1.3% · 0.6 GWh
TOP FUEL 58.2%
  • Gas7.9% · 1.6 GWh
  • Hydro58.2% · 11.7 GWh
  • Wind27.3% · 5.5 GWh
  • Solar (rooftop)6.6% · 1.3 GWh
coalgashydrobattery dischargewindsolar utilitysolar rooftopotherBattery (charge)
23:3005:3711:4517:5200:0010.9 GW 0
coalgashydrobattery dischargewindsolar utilitysolar rooftopotherBattery (charge)
23:3005:3711:4517:5200:009.8 GW 0
coalhydrobattery dischargewindsolar utilitysolar rooftopBattery (charge)
23:3005:3711:4517:5200:008.3 GW 0
gasbattery dischargewindsolar utilitysolar rooftopBattery (charge)
23:3005:3711:4517:5200:002.1 GW 0
gashydrowindsolar rooftop
23:3005:3711:4517:5200:001.0 GW 0

Renewables

NSW · Daily renewable share
47.7%
VIC · Daily renewable share
69.7%
QLD · Daily renewable share
44.0%
SA · Daily renewable share
99.9%
TAS · Daily renewable share
62.7%
Peak instantaneous
75.5%
at 12:40
Daily NEM-wide share
54.4%
By region (daily share)
  • NSW
    47.7%
  • VIC
    69.7%
  • QLD
    44.0%
  • SA
    99.9%
  • TAS
    62.7%

Interconnectors

Region (proxy) Net flow Direction changes Hours at limit
N-Q-MNSP1 +10.9 GWh 28 —
NSW1-QLD1 −30.4 GWh 18 —
VIC1-NSW1 +49.3 GWh 0 —
V-SA −7.2 GWh 21 —
T-V-MNSP1 −18.0 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
257.8k tCO₂
▼ 11.6% vs same day last week
Intensity by region
NSW 84.9k tCO₂ 0.414 tCO₂/MWh
QLD 92.4k tCO₂ 0.493 tCO₂/MWh
SA 628 tCO₂ 0.014 tCO₂/MWh
VIC 78.9k tCO₂ 0.459 tCO₂/MWh
TAS 938 tCO₂ 0.048 tCO₂/MWh