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127865NON-CONFORMANCE25/06/2025 05:05:12 PM
NON-CONFORMANCE Region VIC1 Wednesday, 25 June 2025
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE VIC1 Region Wednesday, 25 June 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: MRTLSWF1
Duration: 25/06/2025 16:05 to 25/06/2025 17:05
Amount: -67 MW
Constraint: NC-V_MRTLSWF1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE VIC1 Region Wednesday, 25 June 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: MRTLSWF1
Duration: 25/06/2025 16:05 to 25/06/2025 17:05
Amount: -67 MW
Constraint: NC-V_MRTLSWF1
Auto-generated on behalf of Manager NEM Real Time Operations
127863RECLASSIFY CONTINGENCY25/06/2025 04:34:25 PM
Cancellation of a Non-Credible Contingency Event: Yallourn - Rowville 7 220 kV line and Yallourn - Rowville 8 220 kV line in VIC1 due to Lightning.
AEMO ELECTRICITY MARKET NOTICE
Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.
Region: VIC1
Lines: Yallourn - Rowville 7 220 kV and Yallourn - Rowville 8 220 kV
Cancellation time: 25/06/2025 16:34
Constraint set(s) revoked:
V-ROYP78_R_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE
Refer AEMO Electricity Market Notice 127855
Auto-generated on behalf of Manager NEM Real Time Operations
Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.
Region: VIC1
Lines: Yallourn - Rowville 7 220 kV and Yallourn - Rowville 8 220 kV
Cancellation time: 25/06/2025 16:34
Constraint set(s) revoked:
V-ROYP78_R_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE
Refer AEMO Electricity Market Notice 127855
Auto-generated on behalf of Manager NEM Real Time Operations
127857NON-CONFORMANCE25/06/2025 03:45:12 PM
NON-CONFORMANCE Region QLD1 Wednesday, 25 June 2025
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE QLD1 Region Wednesday, 25 June 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: TARONG#4
Duration: 25/06/2025 15:35 to 25/06/2025 15:45
Amount: -50 MW
Constraint: NC-Q_TARONG#4
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE QLD1 Region Wednesday, 25 June 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: TARONG#4
Duration: 25/06/2025 15:35 to 25/06/2025 15:45
Amount: -50 MW
Constraint: NC-Q_TARONG#4
Auto-generated on behalf of Manager NEM Real Time Operations
127855RECLASSIFY CONTINGENCY25/06/2025 03:29:35 PM
Reclassification of a Non-Credible Contingency Event: Yallourn - Rowville 7 220 kV line and Yallourn - Rowville 8 220 kV line in VIC1 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: VIC1
Lines: Yallourn - Rowville 7 220 kV and Yallourn - Rowville 8 220 kV
Duration: 25/06/2025 15:29 until further notice
Constraint set(s) invoked:
V-ROYP78_R_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE
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: VIC1
Lines: Yallourn - Rowville 7 220 kV and Yallourn - Rowville 8 220 kV
Duration: 25/06/2025 15:29 until further notice
Constraint set(s) invoked:
V-ROYP78_R_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
127852NON-CONFORMANCE25/06/2025 02:45:13 PM
NON-CONFORMANCE Region VIC1 Wednesday, 25 June 2025
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE VIC1 Region Wednesday, 25 June 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: LVES1
Duration: 25/06/2025 14:25 to 25/06/2025 14:45
Amount: 63 MW
Constraint: NC-V_LVES1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE VIC1 Region Wednesday, 25 June 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: LVES1
Duration: 25/06/2025 14:25 to 25/06/2025 14:45
Amount: 63 MW
Constraint: NC-V_LVES1
Auto-generated on behalf of Manager NEM Real Time Operations
127851NON-CONFORMANCE25/06/2025 02:40:13 PM
NON-CONFORMANCE Region QLD1 Wednesday, 25 June 2025
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE QLD1 Region Wednesday, 25 June 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: ULPBESS1
Duration: 25/06/2025 14:25 to 25/06/2025 14:40
Amount: 6 MW
Constraint: NC-Q_ULPBESS1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE QLD1 Region Wednesday, 25 June 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: ULPBESS1
Duration: 25/06/2025 14:25 to 25/06/2025 14:40
Amount: 6 MW
Constraint: NC-Q_ULPBESS1
Auto-generated on behalf of Manager NEM Real Time Operations
127844MARKET INTERVENTION25/06/2025 02:02:08 PM
Cancellation - AEMO Intervention Event - SA region 21/06/2025
AEMO ELECTRICITY MARKET NOTICE
Cancellation - AEMO Intervention Event - SA region 21/06/2025
Refer to Market Notice 127682
The AEMO Intervention Event and all associated directions are cancelled from 1400 hrs on 25/06/2025.
Manager NEM Real Time Operations
Cancellation - AEMO Intervention Event - SA region 21/06/2025
Refer to Market Notice 127682
The AEMO Intervention Event and all associated directions are cancelled from 1400 hrs on 25/06/2025.
Manager NEM Real Time Operations
127843MARKET INTERVENTION25/06/2025 02:01:53 PM
Cancellation: Direction issued to: AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
AEMO ELECTRICITY MARKET NOTICE
Cancellation: Direction issued to: AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
Refer to Market Notice 127792
Direction is cancelled from: 1400 hrs 25/06/2025
Manager NEM Real Time Operations
Cancellation: Direction issued to: AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
Refer to Market Notice 127792
Direction is cancelled from: 1400 hrs 25/06/2025
Manager NEM Real Time Operations
127838RECLASSIFY CONTINGENCY25/06/2025 10:01:33 AM
Cancellation: Reclassification of non-credible contingency event due to existence of widespread abnormal condition/s - SA region.
AEMO ELECTRICITY MARKET NOTICE.
AEMO considers the occurrence of a non-credible contingency event due to the widespread abnormal conditions advised in AEMO Electricity Market Notice 127815 is no longer reasonably possible and accordingly its classification has reverted to non-credible.
Cancellation time: 1000 hrs 25/06/2025
Constraint set(s) revoked: I-VS_250
Manager NEM Real Time Operations
AEMO considers the occurrence of a non-credible contingency event due to the widespread abnormal conditions advised in AEMO Electricity Market Notice 127815 is no longer reasonably possible and accordingly its classification has reverted to non-credible.
Cancellation time: 1000 hrs 25/06/2025
Constraint set(s) revoked: I-VS_250
Manager NEM Real Time Operations