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126311SETTLEMENTS RESIDUE04/04/2025 08:15:24 PM
[EventId:202504042015_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 04 April 2025 20:15
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 2015 hrs on 4 April 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 4 April 2025.
Refer to market notice: 126310
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the NSW to VIC directional interconnector.
The negative residue constraint NRM_NSW1_VIC1 ceased operating at 2015 hrs on 4 April 2025.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 2015 hrs on 4 April 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 4 April 2025.
Refer to market notice: 126310
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the NSW to VIC directional interconnector.
The negative residue constraint NRM_NSW1_VIC1 ceased operating at 2015 hrs on 4 April 2025.
This is an AEMO autogenerated Market Notice.
126310SETTLEMENTS RESIDUE04/04/2025 07:15:23 PM
[EventId:202504041915_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 04 April 2025 19:15
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1915 hrs on 4 April 2025
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 4 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 1915 hrs on 4 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 1915 hrs on 4 April 2025
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 4 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 1915 hrs on 4 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.
126309SETTLEMENTS RESIDUE04/04/2025 06:30:30 PM
[EventId:202504041830_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 04 April 2025 18:30
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1830 hrs on 4 April 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 4 April 2025.
Refer to market notice: 126297
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the NSW to VIC directional interconnector.
The negative residue constraint NRM_NSW1_VIC1 ceased operating at 1830 hrs on 4 April 2025.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1830 hrs on 4 April 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 4 April 2025.
Refer to market notice: 126297
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the NSW to VIC directional interconnector.
The negative residue constraint NRM_NSW1_VIC1 ceased operating at 1830 hrs on 4 April 2025.
This is an AEMO autogenerated Market Notice.
126297SETTLEMENTS RESIDUE04/04/2025 05:05:15 PM
[EventId:202504041705_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 04 April 2025 17:05
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1705 hrs on 4 April 2025
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 4 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 1705 hrs on 4 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 1705 hrs on 4 April 2025
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 4 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 1705 hrs on 4 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.
126281NON-CONFORMANCE04/04/2025 01:15:15 PM
NON-CONFORMANCE Region SA1 Friday, 4 April 2025
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE SA1 Region Friday, 4 April 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: ADPBA1
Duration: 04/04/2025 12:30 to 04/04/2025 13:15
Amount: -6 MW
Constraint: NC-S_ADPBA1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE SA1 Region Friday, 4 April 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: ADPBA1
Duration: 04/04/2025 12:30 to 04/04/2025 13:15
Amount: -6 MW
Constraint: NC-S_ADPBA1
Auto-generated on behalf of Manager NEM Real Time Operations
126271POWER SYSTEM EVENTS04/04/2025 07:44:04 AM
Update - Non-credible contingency event - QLD region - 04/04/2025
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - QLD region - 04/04/2025
Refer AEMO Electricity Market Notice 126262
The cause of this non-credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.
AEMO will cancel the reclassification of this event as a credible contingency event.
Manager NEM Real Time Operations
Update - Non-credible contingency event - QLD region - 04/04/2025
Refer AEMO Electricity Market Notice 126262
The cause of this non-credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.
AEMO will cancel the reclassification of this event as a credible contingency event.
Manager NEM Real Time Operations
126269NON-CONFORMANCE04/04/2025 06:20:15 AM
NON-CONFORMANCE Region QLD1 Friday, 4 April 2025
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE QLD1 Region Friday, 4 April 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: MPP_2
Duration: 04/04/2025 05:55 to 04/04/2025 06:20
Amount: 77 MW
Constraint: NC-Q_MPP_2
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE QLD1 Region Friday, 4 April 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: MPP_2
Duration: 04/04/2025 05:55 to 04/04/2025 06:20
Amount: 77 MW
Constraint: NC-Q_MPP_2
Auto-generated on behalf of Manager NEM Real Time Operations
126264NON-CONFORMANCE04/04/2025 04:55:19 AM
NON-CONFORMANCE Region NSW1 Friday, 4 April 2025
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE NSW1 Region Friday, 4 April 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: MP2
Duration: 04/04/2025 04:45 to 04/04/2025 04:55
Amount: -26 MW
Constraint: NC-N_MP2
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE NSW1 Region Friday, 4 April 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: MP2
Duration: 04/04/2025 04:45 to 04/04/2025 04:55
Amount: -26 MW
Constraint: NC-N_MP2
Auto-generated on behalf of Manager NEM Real Time Operations
126263GENERAL NOTICE04/04/2025 08:11:29 AM
Update - Vulnerable lines in Qld region
AEMO ELECTRICITY MARKET NOTICE.
Update - Lightning vulnerable lines in Qld region
Refer to AEMO Electricity Market Notice 126262 and 126271
At 0152 hrs 04/04/2025 the the Ross - Townsville South No 7156 and 7249 132kV lines tripped.
The cause of the trip was identified as due to lightning.
In accordance with SO_OP_3715, AEMO now considers the the Ross - Townsville South No 7156 and 7249 132kV lines to be vulnerable with a category of probable due to lightning.
Manager NEM Real Time Operations
Update - Lightning vulnerable lines in Qld region
Refer to AEMO Electricity Market Notice 126262 and 126271
At 0152 hrs 04/04/2025 the the Ross - Townsville South No 7156 and 7249 132kV lines tripped.
The cause of the trip was identified as due to lightning.
In accordance with SO_OP_3715, AEMO now considers the the Ross - Townsville South No 7156 and 7249 132kV lines to be vulnerable with a category of probable due to lightning.
Manager NEM Real Time Operations