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126803SETTLEMENTS RESIDUE30/04/2025 01:05:26 PM
[EventId:202504301305_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 30 April 2025 13:05
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1305 hrs on 30 April 2025
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 30 April 2025.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the NSW to VIC directional interconnector.
The negative residue constraint set NRM_NSW1_VIC1 commenced operating from 1305 hrs on 30 April 2025.
This constraint set contains an equation with the following interconnectors on the LHS:
VIC1-NSW1
The RHS of the constraint equation may be adjusted to manage residues.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1305 hrs on 30 April 2025
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 30 April 2025.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the NSW to VIC directional interconnector.
The negative residue constraint set NRM_NSW1_VIC1 commenced operating from 1305 hrs on 30 April 2025.
This constraint set contains an equation with the following interconnectors on the LHS:
VIC1-NSW1
The RHS of the constraint equation may be adjusted to manage residues.
This is an AEMO autogenerated Market Notice.
126794PRICES SUBJECT TO REVIEW30/04/2025 11:00:18 AM
[EventId:202504301105_review] Prices for interval 30-Apr-2025 11:05 are subject to review
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1100 hrs on 30 April 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 30-Apr-2025 11:05.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1100 hrs on 30 April 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 30-Apr-2025 11:05.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
126793PRICES SUBJECT TO REVIEW30/04/2025 10:55:21 AM
[EventId:202504301100_review] Prices for interval 30-Apr-2025 11:00 are subject to review
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1055 hrs on 30 April 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 30-Apr-2025 11:00.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1055 hrs on 30 April 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 30-Apr-2025 11:00.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
126792PRICES SUBJECT TO REVIEW30/04/2025 10:50:16 AM
[EventId:202504301055_review] Prices for interval 30-Apr-2025 10:55 are subject to review
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1050 hrs on 30 April 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 30-Apr-2025 10:55.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1050 hrs on 30 April 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 30-Apr-2025 10:55.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
126791PRICES SUBJECT TO REVIEW30/04/2025 10:45:26 AM
[EventId:202504301050_review] Prices for interval 30-Apr-2025 10:50 are subject to review
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1045 hrs on 30 April 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 30-Apr-2025 10:50.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1045 hrs on 30 April 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 30-Apr-2025 10:50.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
126790PRICES SUBJECT TO REVIEW30/04/2025 10:40:19 AM
[EventId:202504301045_review] Prices for interval 30-Apr-2025 10:45 are subject to review
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1040 hrs on 30 April 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 30-Apr-2025 10:45.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1040 hrs on 30 April 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 30-Apr-2025 10:45.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
126789PRICES SUBJECT TO REVIEW30/04/2025 10:35:23 AM
[EventId:202504301040_review] Prices for interval 30-Apr-2025 10:40 are subject to review
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1035 hrs on 30 April 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 30-Apr-2025 10:40.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1035 hrs on 30 April 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 30-Apr-2025 10:40.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
126786CONSTRAINTS29/04/2025 05:43:58 PM
Updated Victorian system normal voltage stability limit for the south-west Victoria
AEMO ELECTRICITY MARKET NOTICE
Refer to Market Notice 101368
AEMO has completed a review of the system normal voltage stability limit in the south-west Victoria as a result of Mortlake terminal station cut-in on the Haunted Gully to Tarrone 500 kV line.
The revised limit is increased by 100 MW on the cut-set from Haunted Gully to Moorabool and Mortlake to Moorabool 500 kV lines for flow towards Moorabool.
Full details on the limits advice are to be published shortly on the AEMO website: https://www.aemo.com.au/energy-systems/electricity/national-electricity-market-nem/system-operations/congestion-information-resource/limits-advice
The revised limit has been implemented at 1201 hrs on Tuesday 29th April 2025, by updating V^^V_NIL_SWVIC.
For further details on this constraint equation please contact terry.liu@aemo.com.au
Terry Liu
AEMO Operations
Refer to Market Notice 101368
AEMO has completed a review of the system normal voltage stability limit in the south-west Victoria as a result of Mortlake terminal station cut-in on the Haunted Gully to Tarrone 500 kV line.
The revised limit is increased by 100 MW on the cut-set from Haunted Gully to Moorabool and Mortlake to Moorabool 500 kV lines for flow towards Moorabool.
Full details on the limits advice are to be published shortly on the AEMO website: https://www.aemo.com.au/energy-systems/electricity/national-electricity-market-nem/system-operations/congestion-information-resource/limits-advice
The revised limit has been implemented at 1201 hrs on Tuesday 29th April 2025, by updating V^^V_NIL_SWVIC.
For further details on this constraint equation please contact terry.liu@aemo.com.au
Terry Liu
AEMO Operations
126771GENERAL NOTICE29/04/2025 08:40:07 PM
Network Augmentation Commissioned - Vic Region - 29/04/2025
AEMO ELECTRICITY MARKET NOTICE
Network Augmentation Commissioned - Vic Region - 29/04/2025
At 2030hrs 29/04/2025, the existing Haunted Gully - Tarrone No1 500 kV transmission line has been cut in at Mortlake Power Station to create the following transmission line sections:
Mortlake PS - Tarrone No.1 500 kV transmission line
Mortlake PS - Haunted Gully No.1 500 kV transmission line
Manager NEM Real Time Operations
Network Augmentation Commissioned - Vic Region - 29/04/2025
At 2030hrs 29/04/2025, the existing Haunted Gully - Tarrone No1 500 kV transmission line has been cut in at Mortlake Power Station to create the following transmission line sections:
Mortlake PS - Tarrone No.1 500 kV transmission line
Mortlake PS - Haunted Gully No.1 500 kV transmission line
Manager NEM Real Time Operations