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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
127846RESERVE NOTICE25/06/2025 01:44:52 PM
PDPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 26/06/2025
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR1 condition in the SA region advised in AEMO Electricity Market Notice No. 127842 is cancelled at 1345 hrs 25/06/2025.
Manager NEM Real Time Operations
The Forecast LOR1 condition in the SA region advised in AEMO Electricity Market Notice No. 127842 is cancelled at 1345 hrs 25/06/2025.
Manager NEM Real Time Operations
127845RESERVE NOTICE25/06/2025 01:44:05 PM
PDPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 26/06/2025
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 127841 is cancelled at 1345 hrs 25/06/2025.
Manager NEM Real Time Operations
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 127841 is cancelled at 1345 hrs 25/06/2025.
Manager NEM Real Time Operations
127842RESERVE NOTICE25/06/2025 12:54:52 PM
PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 26/06/2025
AEMO ELECTRICITY MARKET NOTICE
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following Periods:
[1.] From 1000 hrs 26/06/2025 to 1030 hrs 26/06/2025.
The forecast capacity reserve requirement is 430 MW.
The minimum capacity reserve available is 416 MW.
[2.] From 1430 hrs 26/06/2025 to 1600 hrs 26/06/2025.
The forecast capacity reserve requirement is 437 MW.
The minimum capacity reserve available is 373 MW.
[3.] From 1730 hrs 26/06/2025 to 2200 hrs 26/06/2025.
The forecast capacity reserve requirement is 435 MW.
The minimum capacity reserve available is 354 MW.
Manager NEM Real Time Operations
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following Periods:
[1.] From 1000 hrs 26/06/2025 to 1030 hrs 26/06/2025.
The forecast capacity reserve requirement is 430 MW.
The minimum capacity reserve available is 416 MW.
[2.] From 1430 hrs 26/06/2025 to 1600 hrs 26/06/2025.
The forecast capacity reserve requirement is 437 MW.
The minimum capacity reserve available is 373 MW.
[3.] From 1730 hrs 26/06/2025 to 2200 hrs 26/06/2025.
The forecast capacity reserve requirement is 435 MW.
The minimum capacity reserve available is 354 MW.
Manager NEM Real Time Operations
127841RESERVE NOTICE25/06/2025 12:54:22 PM
PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 26/06/2025
AEMO ELECTRICITY MARKET NOTICE
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following Period:
[1.] From 1730 hrs 26/06/2025 to 1900 hrs 26/06/2025.
The forecast capacity reserve requirement is 1784 MW.
The minimum capacity reserve available is 1698 MW.
Manager NEM Real Time Operations
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following Period:
[1.] From 1730 hrs 26/06/2025 to 1900 hrs 26/06/2025.
The forecast capacity reserve requirement is 1784 MW.
The minimum capacity reserve available is 1698 MW.
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
127837RECLASSIFY CONTINGENCY25/06/2025 10:01:23 AM
Cancellation of the reclassification of a Non-Credible Contingency Event: Para-Templers West and Magill-Torrens Island A 275kV lines in SA due to severe weather warning.
AEMO ELECTRICITY MARKET NOTICE.
Cancellation of the reclassification of a non-credible contingency event as a credible contingency event due to severe weather warning.
AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any severe weather warning in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.
Region: SA
Lines: Para-Templers West and Magill-Torrens Island A 275kV lines
Cancellation time: 1000 hrs 25/06/2025
Constraint set(s) revoked: Nil
Refer AEMO Electricity Market Notice 127749
Manager NEM Real Time Operations
Cancellation of the reclassification of a non-credible contingency event as a credible contingency event due to severe weather warning.
AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any severe weather warning in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.
Region: SA
Lines: Para-Templers West and Magill-Torrens Island A 275kV lines
Cancellation time: 1000 hrs 25/06/2025
Constraint set(s) revoked: Nil
Refer AEMO Electricity Market Notice 127749
Manager NEM Real Time Operations