Market Notices

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1234 hrs on 18 November 2022

PRICES ARE NOW CONFIRMED for trading interval 17-Nov-2022 09:10.

In accordance with Market Notice 103362 AEMO has reviewed this trading interval and determined that:
- Over-Constrained Dispatch has been resolved for this interval

Changed Prices ($/MWh)

TYPE
Region Original Adjusted
Price Price
ENERGY
NSW1 $125.09 $126.15
QLD1 $107.81 $108.72
SA1 $95.91 $96.72
VIC1 $122.05 $123.09
RAISE60SEC
TAS1 $1.49 $0.43
RAISEREG
NSW1 $42.51 $43.55
QLD1 $42.51 $43.55
VIC1 $42.51 $43.55


This is an AEMO autogenerated Market Notice.

AEMO ELECTRICITY MARKET NOTICE

Refer to market notice 101018

AEMO and Powerlink are continuing to investigate system strength requirements in North Queensland.
Due to commissioning of Kaban wind farm in Far North Queensland, the system normal equations have been revised.

A revision to the constraint equations will be implemented at 1530 hrs on Wednesday 5th October 2022.

The new combinations have now published in a limits advice document on AEMO's website. For more information refer to the new limits advice: https://www.aemo.com.au/energy-systems/electricity/national-electricity-market-nem/system-operations/congestion-information-resource/limits-advice

This advice contains all the combinations for Queensland for system normal cases.

The constraint equation in the Q-NIL set of the form below will be modified:

Q_NIL_STRGTH_XXXX
Q_NIL_STRGTH_XXXX_I


AEMO Operations

AEMO ELECTRICITY MARKET NOTICE

AEMO has identified a new voltage collapse issue in south-west Victoria. The voltage collapse occurs in the south-west region for loss of the Haunted Gully to Moorabool 500 kV line with simultaneous trip of both APD potlines as per Market Notice 91405.

The limit will manage flow towards Moorabool on the cut-set of Haunted Gully to Moorabool and Mortlake to Moorabool 500 kV lines.

The new constraint equation includes generators in south-west Victoria on the left-hand side as well as Heywood interconnector. Full details on the limits advice are to be published on 30th August 2022 on the AEMO website: https://aemo.com.au/energy-systems/electricity/national-electricity-market-nem/system-operations/congestion-information-resource/limits-advice

The following constraint equation will be implemented and added to constraint set V-NIL at 1000 hrs on Tuesday 30th August 2022:
V^^V_NIL_SWVIC

For full details on the factors this constraint equation has now been loaded into AEMO's pre-production systems.

For further details on this constraint equation please contact terry.liu@aemo.com.au

Terry Liu
AEMO Operations

AEMO ELECTRICITY MARKET NOTICE

Refer to Market Notice 82819

AEMO has completed a comprehensive review of the system normal voltage stability limit for loss of all APD potlines for flows from Victoria to New South Wales. The revised limit is the result of latest network configuration, comprehensive generation/load patterns, and recent commissioned generators in Victoria and southern NSW which could potentially mean higher transfers into NSW under some generation/load scenarios.

The revised constraint equation includes generators in southern NSW, north-west Victoria and hydro generation at Mt. Beauty on the left-hand side as well as VIC1-NSW1 and Murraylink. Full details on the limits advice are to be published on 18/08/2022 on the AEMO website: https://aemo.com.au/energy-systems/electricity/national-electricity-market-nem/system-operations/congestion-information-resource/limits-advice

The constraint is most likely to bind when there is low Vic demands and high transfers to NSW. When it binds it will restrict Vic to NSW transfers and southern NSW units.

This revised limit will be implemented to the following constraint equation at 1000 hrs Thursday 18th August 2022.
V^^N_NIL_1

For further details on this constraint equation please contact terry.liu@aemo.com.au


Terry Liu
AEMO Operations

AEMO ELECTRICITY MARKET NOTICE

Refer to market notice 93841

AEMO and Powerlink are continuing to investigate system strength requirements in North Queensland.
Due to reduced numbers of Gladstone units online, the system normal equations have been revised to include below combination.

-If Stanwell >=2, Stanwell + Calllide >=3, Gladstone >= 1, Stanwell + Callide + Gladstone >= 7, Kareeya >=2, Haughton Syncon status = ON, North Queensland load >=250 MW,
Ross+FNQ load >=100 MW, limit Mt Emerald Windfarm to 80% and no limit to other solar farms.

A revision to the constraint equations will be implemented at 1100 hrs on Tuesday 16th August 2022.

The new combinations will be published in a limits advice document on AEMO's website on Wednesday 17th August 2022.
For more information refer to the new limits advice: https://www.aemo.com.au/energy-systems/electricity/national-electricity-market-nem/system-operations/congestion-information-resource/limits-advice

This advice contains all the combinations for Queensland for system normal cases.

The constraint equations in the Q-NIL set of the form below will be modified:

Q_NIL_STRGTH_CLRSF
Q_NIL_STRGTH_COLSF
Q_NIL_STRGTH_DAYSF
Q_NIL_STRGTH_HAMSF
Q_NIL_STRGTH_HAUSF
Q_NIL_STRGTH_HAYSF
Q_NIL_STRGTH_KEP
Q_NIL_STRGTH_KIDSF
Q_NIL_STRGTH_MEWF
Q_NIL_STRGTH_RUGSF
Q_NIL_STRGTH_RRSF
Q_NIL_STRGTH_SMSF
Q_NIL_STRGTH_WHTSF

AEMO Operations

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1325 hrs on 11 August 2022

PRICES ARE NOW CONFIRMED for trading interval 10-Aug-2022 12:20.

In accordance with Market Notice AEMO has reviewed this trading interval and determined that:
- Over-Constrained Dispatch has been resolved for this interval

Changed Prices ($/MWh)

TYPE
Region Original Adjusted
Price Price
ENERGY
NSW1 $350.97 $280.20
QLD1 $149.10 $11.84
SA1 $1,351.34 $334.96
TAS1 $1,335.11 $252.30
VIC1 $1,202.16 $301.01
LOWER5MIN
NSW1 $0.86 $0.08
QLD1 $0.86 $0.08
SA1 $0.86 $0.08
TAS1 $0.86 $0.08
VIC1 $0.86 $0.08
LOWER60SEC
NSW1 $15,500.00 $0.15
QLD1 $15,500.00 $0.15
SA1 $15,500.00 $0.15
TAS1 $15,500.00 $0.39
VIC1 $15,500.00 $0.15
LOWER6SEC
NSW1 $15,500.00 $0.03
QLD1 $15,500.00 $0.03
SA1 $15,500.00 $0.03
TAS1 $15,500.00 $0.39
VIC1 $15,500.00 $0.03
LOWERREG
TAS1 $20.90 $71.24
RAISE5MIN
NSW1 $0.39 $0.30
QLD1 $0.39 $0.30
SA1 $0.39 $0.30
VIC1 $0.39 $0.30
RAISE60SEC
NSW1 $15,500.00 $0.72
QLD1 $15,500.00 $0.72
SA1 $15,500.00 $0.72
TAS1 $15,500.00 $0.86
VIC1 $15,500.00 $0.72
RAISE6SEC
NSW1 $15,500.00 $0.50
QLD1 $15,500.00 $0.50
SA1 $15,500.00 $0.50
TAS1 $15,500.00 $4.65
VIC1 $15,500.00 $0.50
RAISEREG
NSW1 $109.68 $34.90
QLD1 $109.68 $34.90
SA1 $109.68 $34.90
TAS1 $109.68 $0.39
VIC1 $109.68 $34.90


This is an AEMO autogenerated Market Notice.

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1323 hrs on 11 August 2022

PRICES ARE NOW CONFIRMED for trading interval 10-Aug-2022 12:15.

In accordance with Market Notice 100832 AEMO has reviewed this trading interval and determined that:
- Over-Constrained Dispatch has been resolved for this interval

Changed Prices ($/MWh)

TYPE
Region Original Adjusted
Price Price
ENERGY
NSW1 $568.53 $275.08
QLD1 $208.01 $24.10
SA1 $952.42 $329.82
TAS1 $995.44 $252.30
VIC1 $873.71 $301.01
LOWER5MIN
NSW1 $0.86 $0.08
QLD1 $0.86 $0.08
SA1 $0.86 $0.08
TAS1 $0.86 $0.08
VIC1 $0.86 $0.08
LOWER60SEC
NSW1 $15,500.00 $0.15
QLD1 $15,500.00 $0.15
SA1 $15,500.00 $0.15
TAS1 $15,500.00 $0.39
VIC1 $15,500.00 $0.15
LOWER6SEC
NSW1 $15,500.00 $0.03
QLD1 $15,500.00 $0.03
SA1 $15,500.00 $0.03
TAS1 $15,500.00 $0.39
VIC1 $15,500.00 $0.03
LOWERREG
NSW1 $20.00 $20.90
QLD1 $20.00 $20.90
SA1 $20.00 $20.90
TAS1 $20.00 $71.24
VIC1 $20.00 $20.90
RAISE60SEC
NSW1 $15,500.00 $0.72
QLD1 $15,500.00 $0.72
SA1 $15,500.00 $0.72
TAS1 $15,500.00 $0.86
VIC1 $15,500.00 $0.72
RAISE6SEC
NSW1 $15,500.00 $0.45
QLD1 $15,500.00 $0.45
SA1 $15,500.00 $0.45
TAS1 $15,500.00 $4.65
VIC1 $15,500.00 $0.45
RAISEREG
NSW1 $269.00 $49.08
QLD1 $269.00 $49.08
SA1 $269.00 $49.08
TAS1 $269.09 $0.39
VIC1 $269.00 $49.08


This is an AEMO autogenerated Market Notice.

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1322 hrs on 11 August 2022

PRICES ARE NOW CONFIRMED for trading interval 10-Aug-2022 12:10.

In accordance with Market Notice AEMO has reviewed this trading interval and determined that:
- Over-Constrained Dispatch has been resolved for this interval

Changed Prices ($/MWh)

TYPE
Region Original Adjusted
Price Price
ENERGY
NSW1 $231.00 $0.00
QLD1 $30.00 -$50.00
SA1 $831.60 $0.00
TAS1 $15,500.00 $73.26
VIC1 $820.30 $0.00
LOWER5MIN
NSW1 $1.84 $0.39
QLD1 $1.84 $0.39
SA1 $1.84 $0.39
TAS1 $1.84 $0.39
VIC1 $1.84 $0.39
LOWER60SEC
NSW1 $15,500.00 $0.17
QLD1 $15,500.00 $0.17
SA1 $15,500.00 $0.17
TAS1 $15,500.00 $0.39
VIC1 $15,500.00 $0.17
LOWER6SEC
NSW1 $15,500.00 $0.03
QLD1 $15,500.00 $0.03
SA1 $15,500.00 $0.03
TAS1 $15,500.00 $0.39
VIC1 $15,500.00 $0.03
LOWERREG
NSW1 $10.00 $13.01
QLD1 $10.00 $13.01
SA1 $10.00 $13.01
TAS1 $10.00 $13.01
VIC1 $10.00 $13.01
RAISE5MIN
TAS1 $0.39 $0.26
RAISE60SEC
NSW1 $15,500.00 $0.26
QLD1 $15,500.00 $0.26
SA1 $15,500.00 $0.26
TAS1 $15,500.00 $0.86
VIC1 $15,500.00 $0.26
RAISE6SEC
NSW1 $15,500.00 $0.40
QLD1 $15,500.00 $0.40
SA1 $15,500.00 $0.40
TAS1 $15,500.00 $4.65
VIC1 $15,500.00 $0.40
RAISEREG
NSW1 $11.68 $7.99
QLD1 $11.68 $7.99
SA1 $11.68 $7.99
TAS1 $11.81 $1.08
VIC1 $11.68 $7.99


This is an AEMO autogenerated Market Notice.

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1320 hrs on 11 August 2022

PRICES ARE NOW CONFIRMED for trading interval 10-Aug-2022 11:50.

In accordance with Market Notice AEMO has reviewed this trading interval and determined that:
- Over-Constrained Dispatch has been resolved for this interval

Changed Prices ($/MWh)

TYPE
Region Original Adjusted
Price Price
ENERGY
NSW1 -$49.00 $0.00
QLD1 -$78.70 -$93.55
SA1 $5,140.45 $468.11
TAS1 $15,500.00 $473.32
VIC1 $5,001.00 $426.10
LOWER5MIN
NSW1 $0.86 $0.08
QLD1 $0.86 $0.08
SA1 $0.86 $0.08
TAS1 $0.86 $0.08
VIC1 $0.86 $0.08
LOWER60SEC
NSW1 $15,500.00 $0.15
QLD1 $15,500.00 $0.15
SA1 $15,500.00 $0.15
TAS1 $15,500.00 $0.39
VIC1 $15,500.00 $0.15
LOWER6SEC
NSW1 $15,500.00 $0.03
QLD1 $15,500.00 $0.03
SA1 $15,500.00 $0.03
TAS1 $15,500.00 $0.39
VIC1 $15,500.00 $0.03
LOWERREG
NSW1 $20.90 $31.81
QLD1 $20.90 $31.81
SA1 $20.90 $31.81
TAS1 $20.90 $31.81
VIC1 $20.90 $31.81
RAISE60SEC
NSW1 $15,500.00 $0.75
QLD1 $15,500.00 $0.75
SA1 $15,500.00 $0.75
TAS1 $15,500.00 $0.86
VIC1 $15,500.00 $0.75
RAISE6SEC
NSW1 $15,500.00 $0.73
QLD1 $15,500.00 $0.73
SA1 $15,500.00 $0.73
TAS1 $15,500.00 $0.86
VIC1 $15,500.00 $0.73
RAISEREG
NSW1 $98.81 $12.15
QLD1 $98.81 $12.15
SA1 $98.81 $12.15
TAS1 $98.81 $1.00
VIC1 $98.81 $12.15


This is an AEMO autogenerated Market Notice.