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122511SETTLEMENTS RESIDUE27/12/2024 02:05:32 PM
[EventId:202412271405_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 27 December 2024 14:05
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1405 hrs on 27 December 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 27 December 2024.
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 1405 hrs on 27 December 2024.
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 1405 hrs on 27 December 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 27 December 2024.
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 1405 hrs on 27 December 2024.
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.
122499NON-CONFORMANCE27/12/2024 01:15:22 AM
NON-CONFORMANCE Region VIC1 Friday, 27 December 2024
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE VIC1 Region Friday, 27 December 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: LYA3
Duration: 27/12/2024 01:05 to 27/12/2024 01:15
Amount: 28 MW
Constraint: NC-V_LYA3
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE VIC1 Region Friday, 27 December 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: LYA3
Duration: 27/12/2024 01:05 to 27/12/2024 01:15
Amount: 28 MW
Constraint: NC-V_LYA3
Auto-generated on behalf of Manager NEM Real Time Operations
122496NON-CONFORMANCE26/12/2024 04:20:19 PM
NON-CONFORMANCE Region VIC1 Thursday, 26 December 2024
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE VIC1 Region Thursday, 26 December 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: LYA4
Duration: 26/12/2024 16:00 to 26/12/2024 16:20
Amount: -13 MW
Constraint: NC-V_LYA4
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE VIC1 Region Thursday, 26 December 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: LYA4
Duration: 26/12/2024 16:00 to 26/12/2024 16:20
Amount: -13 MW
Constraint: NC-V_LYA4
Auto-generated on behalf of Manager NEM Real Time Operations
122493NON-CONFORMANCE26/12/2024 03:55:18 PM
NON-CONFORMANCE Region SA1 Thursday, 26 December 2024
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE SA1 Region Thursday, 26 December 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: HPR1
Duration: 26/12/2024 15:50 to 26/12/2024 15:55
Amount: 14 MW
Constraint: NC-S_HPR1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE SA1 Region Thursday, 26 December 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: HPR1
Duration: 26/12/2024 15:50 to 26/12/2024 15:55
Amount: 14 MW
Constraint: NC-S_HPR1
Auto-generated on behalf of Manager NEM Real Time Operations
122488NON-CONFORMANCE26/12/2024 01:10:18 PM
NON-CONFORMANCE Region SA1 Thursday, 26 December 2024
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE SA1 Region Thursday, 26 December 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: TBSF1
Duration: 26/12/2024 09:35 to 26/12/2024 13:10
Amount: 17 MW
Constraint: NC-S_TBSF1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE SA1 Region Thursday, 26 December 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: TBSF1
Duration: 26/12/2024 09:35 to 26/12/2024 13:10
Amount: 17 MW
Constraint: NC-S_TBSF1
Auto-generated on behalf of Manager NEM Real Time Operations
122444POWER SYSTEM EVENTS23/12/2024 08:40:02 PM
Update - Non-credible contingency event - SA region - 23/12/2024
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - SA region - 23/12/2024
Refer AEMO Electricity Market Notice 122442
At 2036 hrs the Happy Valley - Morphett Vale East and the Morphett Vale - Cherry Gardens 275kV lines were returned to service.
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 not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
Update - Non-credible contingency event - SA region - 23/12/2024
Refer AEMO Electricity Market Notice 122442
At 2036 hrs the Happy Valley - Morphett Vale East and the Morphett Vale - Cherry Gardens 275kV lines were returned to service.
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 not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
122443SETTLEMENTS RESIDUE23/12/2024 05:00:33 PM
[EventId:202412231700_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 23 December 2024 17:00
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1700 hrs on 23 December 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 23 December 2024.
Refer to market notice: 122438
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 1700 hrs on 23 December 2024.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1700 hrs on 23 December 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 23 December 2024.
Refer to market notice: 122438
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 1700 hrs on 23 December 2024.
This is an AEMO autogenerated Market Notice.
122442POWER SYSTEM EVENTS23/12/2024 04:44:55 PM
Non-credible contingency event - SA region - 23/12/2024
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - SA region - 23/12/2024
At 1632 hrs the Happy Valley - Morphett Vale East 275kV Line and the Morphett Vale - Cherry Gardens 275kV line tripped.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
Non-credible contingency event - SA region - 23/12/2024
At 1632 hrs the Happy Valley - Morphett Vale East 275kV Line and the Morphett Vale - Cherry Gardens 275kV line tripped.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
122438SETTLEMENTS RESIDUE23/12/2024 03:45:34 PM
[EventId:202412231545_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 23 December 2024 15:45
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1545 hrs on 23 December 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 23 December 2024.
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 1545 hrs on 23 December 2024.
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 1545 hrs on 23 December 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 23 December 2024.
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 1545 hrs on 23 December 2024.
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.