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124958SETTLEMENTS RESIDUE20/02/2025 06:30:26 PM
[EventId:202502201830_NRM_VIC1_SA1_stopped] NEGRES CONSTRAINT NRM_VIC1_SA1 ceased operating from 20 February 2025 18:30
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1830 hrs on 20 February 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 20 February 2025.
Refer to market notice: 124950
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the VIC to SA directional interconnector.
The negative residue constraint NRM_VIC1_SA1 ceased operating at 1830 hrs on 20 February 2025.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1830 hrs on 20 February 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 20 February 2025.
Refer to market notice: 124950
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the VIC to SA directional interconnector.
The negative residue constraint NRM_VIC1_SA1 ceased operating at 1830 hrs on 20 February 2025.
This is an AEMO autogenerated Market Notice.
124950SETTLEMENTS RESIDUE20/02/2025 05:35:31 PM
[EventId:202502201735_NRM_VIC1_SA1_started] NEGRES CONSTRAINT NRM_VIC1_SA1 started operating from 20 February 2025 17:35
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1735 hrs on 20 February 2025
ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 20 February 2025.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the VIC to SA directional interconnector.
The negative residue constraint set NRM_VIC1_SA1 commenced operating from 1735 hrs on 20 February 2025.
This constraint set contains an equation with the following interconnectors on the LHS:
V-S-MNSP1
V-SA
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 1735 hrs on 20 February 2025
ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 20 February 2025.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the VIC to SA directional interconnector.
The negative residue constraint set NRM_VIC1_SA1 commenced operating from 1735 hrs on 20 February 2025.
This constraint set contains an equation with the following interconnectors on the LHS:
V-S-MNSP1
V-SA
The RHS of the constraint equation may be adjusted to manage residues.
This is an AEMO autogenerated Market Notice.
124941NON-CONFORMANCE20/02/2025 02:25:16 PM
NON-CONFORMANCE Region NSW1 Thursday, 20 February 2025
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE NSW1 Region Thursday, 20 February 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: CAPBES1
Duration: 20/02/2025 14:15 to 20/02/2025 14:25
Amount: 70 MW
Constraint: NC-N_CAPBES1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE NSW1 Region Thursday, 20 February 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: CAPBES1
Duration: 20/02/2025 14:15 to 20/02/2025 14:25
Amount: 70 MW
Constraint: NC-N_CAPBES1
Auto-generated on behalf of Manager NEM Real Time Operations
124940RECLASSIFY CONTINGENCY20/02/2025 01:38:10 PM
Reclassification of a Non-Credible Contingency Event: Armidale - Dumaresq 8C 330kV line and Armidale - Sapphire WF 8E 330kV line in NSW1 due to Lightning.
AEMO ELECTRICITY MARKET NOTICE
Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.
Region: NSW1
Lines: Armidale - Dumaresq 8C 330kV and Armidale - Sapphire WF 8E 330kV
Duration: 20/02/2025 13:38 until further notice
Constraint set(s) invoked:
N-ARDM_ARSR_1PH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
Auto-generated on behalf of Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.
Region: NSW1
Lines: Armidale - Dumaresq 8C 330kV and Armidale - Sapphire WF 8E 330kV
Duration: 20/02/2025 13:38 until further notice
Constraint set(s) invoked:
N-ARDM_ARSR_1PH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
Auto-generated on behalf of Manager NEM Real Time Operations
124914NON-CONFORMANCE20/02/2025 07:55:28 AM
NON-CONFORMANCE Region SA1 Thursday, 20 February 2025
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE SA1 Region Wednesday, 19 February 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: CLEMGPWF
Duration: 19/02/2025 17:30 to 20/02/2025 07:55
Amount: 15 MW
Constraint: NC-S_CLEMGPWF
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE SA1 Region Wednesday, 19 February 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: CLEMGPWF
Duration: 19/02/2025 17:30 to 20/02/2025 07:55
Amount: 15 MW
Constraint: NC-S_CLEMGPWF
Auto-generated on behalf of Manager NEM Real Time Operations
124913NON-CONFORMANCE20/02/2025 03:45:14 AM
NON-CONFORMANCE Region NSW1 Thursday, 20 February 2025
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE NSW1 Region Thursday, 20 February 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: WTAHB1
Duration: 20/02/2025 03:30 to 20/02/2025 03:45
Amount: -8 MW
Constraint: NC-N_WTAHB1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE NSW1 Region Thursday, 20 February 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: WTAHB1
Duration: 20/02/2025 03:30 to 20/02/2025 03:45
Amount: -8 MW
Constraint: NC-N_WTAHB1
Auto-generated on behalf of Manager NEM Real Time Operations
124912NON-CONFORMANCE20/02/2025 03:00:19 AM
NON-CONFORMANCE Region NSW1 Thursday, 20 February 2025
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE NSW1 Region Thursday, 20 February 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: WTAHB1
Duration: 20/02/2025 02:20 to 20/02/2025 03:00
Amount: -9 MW
Constraint: NC-N_WTAHB1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE NSW1 Region Thursday, 20 February 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: WTAHB1
Duration: 20/02/2025 02:20 to 20/02/2025 03:00
Amount: -9 MW
Constraint: NC-N_WTAHB1
Auto-generated on behalf of Manager NEM Real Time Operations
124911SETTLEMENTS RESIDUE19/02/2025 06:30:30 PM
[EventId:202502191830_NRM_VIC1_SA1_stopped] NEGRES CONSTRAINT NRM_VIC1_SA1 ceased operating from 19 February 2025 18:30
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1830 hrs on 19 February 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 19 February 2025.
Refer to market notice: 124910
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the VIC to SA directional interconnector.
The negative residue constraint NRM_VIC1_SA1 ceased operating at 1830 hrs on 19 February 2025.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1830 hrs on 19 February 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 19 February 2025.
Refer to market notice: 124910
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the VIC to SA directional interconnector.
The negative residue constraint NRM_VIC1_SA1 ceased operating at 1830 hrs on 19 February 2025.
This is an AEMO autogenerated Market Notice.
124910SETTLEMENTS RESIDUE19/02/2025 05:40:33 PM
[EventId:202502191740_NRM_VIC1_SA1_started] NEGRES CONSTRAINT NRM_VIC1_SA1 started operating from 19 February 2025 17:40
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1740 hrs on 19 February 2025
ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 19 February 2025.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the VIC to SA directional interconnector.
The negative residue constraint set NRM_VIC1_SA1 commenced operating from 1740 hrs on 19 February 2025.
This constraint set contains an equation with the following interconnectors on the LHS:
V-S-MNSP1
V-SA
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 1740 hrs on 19 February 2025
ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 19 February 2025.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the VIC to SA directional interconnector.
The negative residue constraint set NRM_VIC1_SA1 commenced operating from 1740 hrs on 19 February 2025.
This constraint set contains an equation with the following interconnectors on the LHS:
V-S-MNSP1
V-SA
The RHS of the constraint equation may be adjusted to manage residues.
This is an AEMO autogenerated Market Notice.