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144188NON-CONFORMANCE02/06/2026 03:40:17 PM
NON-CONFORMANCE Region QLD1 Tuesday, 2 June 2026
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE QLD1 Region Tuesday, 2 June 2026
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: MPP_2
Duration: 02/06/2026 15:30 to 02/06/2026 15:40
Amount: -26 MW
Constraint: NC-Q_MPP_2
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE QLD1 Region Tuesday, 2 June 2026
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: MPP_2
Duration: 02/06/2026 15:30 to 02/06/2026 15:40
Amount: -26 MW
Constraint: NC-Q_MPP_2
Auto-generated on behalf of Manager NEM Real Time Operations
144182SETTLEMENTS RESIDUE01/06/2026 08:00:21 PM
[EventId:202606012000_NRM_VIC1_NSW1_stopped] NEGRES CONSTRAINT NRM_VIC1_NSW1 ceased operating from 01 June 2026 20:00
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 2000 hrs on 1 June 2026
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to NSW - 1 June 2026.
Refer to market notice: 144181
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the VIC to NSW directional interconnector.
The negative residue constraint NRM_VIC1_NSW1 ceased operating at 2000 hrs on 1 June 2026.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 2000 hrs on 1 June 2026
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to NSW - 1 June 2026.
Refer to market notice: 144181
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the VIC to NSW directional interconnector.
The negative residue constraint NRM_VIC1_NSW1 ceased operating at 2000 hrs on 1 June 2026.
This is an AEMO autogenerated Market Notice.
144181SETTLEMENTS RESIDUE01/06/2026 06:20:20 PM
[EventId:202606011820_NRM_VIC1_NSW1_started] NEGRES CONSTRAINT NRM_VIC1_NSW1 started operating from 01 June 2026 18:20
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1820 hrs on 1 June 2026
ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to NSW - 1 June 2026.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the VIC to NSW directional interconnector.
The negative residue constraint set NRM_VIC1_NSW1 commenced operating from 1820 hrs on 1 June 2026.
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 1820 hrs on 1 June 2026
ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to NSW - 1 June 2026.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the VIC to NSW directional interconnector.
The negative residue constraint set NRM_VIC1_NSW1 commenced operating from 1820 hrs on 1 June 2026.
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.
144166POWER SYSTEM EVENTS29/05/2026 09:41:16 PM
Update - Non-credible contingency event - QLD region - 29/05/2026
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - QLD region - 29/05/2026
Refer AEMO Electricity Market Notice 144162
At 2135 hrs the Woolooga to Teebar Creek 8850 275kV Line and the Teebar Ck No2 275kV Bus was 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 - QLD region - 29/05/2026
Refer AEMO Electricity Market Notice 144162
At 2135 hrs the Woolooga to Teebar Creek 8850 275kV Line and the Teebar Ck No2 275kV Bus was 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
144165NON-CONFORMANCE29/05/2026 04:10:08 PM
NON-CONFORMANCE Region QLD1 Friday, 29 May 2026
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE QLD1 Region Friday, 29 May 2026
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: MPP_1
Duration: 29/05/2026 16:05 to 29/05/2026 16:10
Amount: -23 MW
Constraint: NC-Q_MPP_1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE QLD1 Region Friday, 29 May 2026
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: MPP_1
Duration: 29/05/2026 16:05 to 29/05/2026 16:10
Amount: -23 MW
Constraint: NC-Q_MPP_1
Auto-generated on behalf of Manager NEM Real Time Operations
144162POWER SYSTEM EVENTS29/05/2026 10:50:40 AM
Non-credible contingency event - QLD region - 29/05/2026
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - QLD region - 29/05/2026
At 1013 hrs the Woolooga to Teebar Creek 8850 275kV Line and the Teebar Ck No2 275kV Bus 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 - QLD region - 29/05/2026
At 1013 hrs the Woolooga to Teebar Creek 8850 275kV Line and the Teebar Ck No2 275kV Bus 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
144161NON-CONFORMANCE29/05/2026 10:45:18 AM
NON-CONFORMANCE Region NSW1 Friday, 29 May 2026
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE NSW1 Region Friday, 29 May 2026
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: NESBESS1
Duration: 29/05/2026 10:40 to 29/05/2026 10:45
Amount: -101 MW
Constraint: NC-N_NESBESS1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE NSW1 Region Friday, 29 May 2026
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: NESBESS1
Duration: 29/05/2026 10:40 to 29/05/2026 10:45
Amount: -101 MW
Constraint: NC-N_NESBESS1
Auto-generated on behalf of Manager NEM Real Time Operations
144159NON-CONFORMANCE28/05/2026 04:10:20 PM
NON-CONFORMANCE Region NSW1 Thursday, 28 May 2026
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE NSW1 Region Thursday, 28 May 2026
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: NESBESS1
Duration: 28/05/2026 16:05 to 28/05/2026 16:10
Amount: 99 MW
Constraint: NC-N_NESBESS1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE NSW1 Region Thursday, 28 May 2026
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: NESBESS1
Duration: 28/05/2026 16:05 to 28/05/2026 16:10
Amount: 99 MW
Constraint: NC-N_NESBESS1
Auto-generated on behalf of Manager NEM Real Time Operations
144152NON-CONFORMANCE27/05/2026 01:05:12 PM
NON-CONFORMANCE Region NSW1 Wednesday, 27 May 2026
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE NSW1 Region Wednesday, 27 May 2026
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: TALWA1
Duration: 27/05/2026 13:00 to 27/05/2026 13:05
Amount: -60 MW
Constraint: NC-N_TALWA1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE NSW1 Region Wednesday, 27 May 2026
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: TALWA1
Duration: 27/05/2026 13:00 to 27/05/2026 13:05
Amount: -60 MW
Constraint: NC-N_TALWA1
Auto-generated on behalf of Manager NEM Real Time Operations