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130422RECLASSIFY CONTINGENCY04/11/2025 05:59:31 PM
Cancellation of a Non-Credible Contingency Event: Gordon - Chapel St No 1 220kV line and Gordon - Chapel St No 2 220kV line in TAS1 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: TAS1
Lines: Gordon - Chapel St No 1 220kV and Gordon - Chapel St No 2 220kV
Cancellation time: 04/11/2025 17:59
Constraint set(s) revoked:
F-T-CSGO Constraint set contains the following interconnector(s) on the left hand side:
T-V-MNSP1
T-CSGO_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE
Refer AEMO Electricity Market Notice 130417
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: TAS1
Lines: Gordon - Chapel St No 1 220kV and Gordon - Chapel St No 2 220kV
Cancellation time: 04/11/2025 17:59
Constraint set(s) revoked:
F-T-CSGO Constraint set contains the following interconnector(s) on the left hand side:
T-V-MNSP1
T-CSGO_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE
Refer AEMO Electricity Market Notice 130417
Auto-generated on behalf of Manager NEM Real Time Operations
130421GENERAL NOTICE04/11/2025 05:56:41 PM
SERVICE INTERRUPTION - Partial SCADA failure NSW
AEMO ELECTRICITY MARKET NOTICE
SERVICE INTERRUPTION
AEMO is experiencing a service interruption relating to: Partial SCADA failure NSW
AEMO is working on restoring the service. AEMO Support Hub will provide updates as more information becomes available.
Dispatch of market targets via SCADA / AGC has failed. Affected participants are requested to enable their backup systems in order to receive dispatch targets and manually follow dispatch targets until further notice. Affected participants are requested to contact the AEMO Electricity Control Room if unable to follow their dispatch targets.
For further enquiries please contact the AEMO Support Hub
Phone: 1300236600 Opt1
Email: [email protected]
Manager NEM Real Time Operations
SERVICE INTERRUPTION
AEMO is experiencing a service interruption relating to: Partial SCADA failure NSW
AEMO is working on restoring the service. AEMO Support Hub will provide updates as more information becomes available.
Dispatch of market targets via SCADA / AGC has failed. Affected participants are requested to enable their backup systems in order to receive dispatch targets and manually follow dispatch targets until further notice. Affected participants are requested to contact the AEMO Electricity Control Room if unable to follow their dispatch targets.
For further enquiries please contact the AEMO Support Hub
Phone: 1300236600 Opt1
Email: [email protected]
Manager NEM Real Time Operations
130420RECLASSIFY CONTINGENCY04/11/2025 05:14:55 PM
Reclassification of a Non-Credible Contingency Event: Tumoulin - Woree No.877 275 kV line and Chalumbin - Turkinje No.7166 132 kV line in QLD1 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: QLD1
Lines: Tumoulin - Woree No.877 275 kV and Chalumbin - Turkinje No.7166 132 kV
Duration: 04/11/2025 17:14 until further notice
Constraint set(s) invoked:
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: QLD1
Lines: Tumoulin - Woree No.877 275 kV and Chalumbin - Turkinje No.7166 132 kV
Duration: 04/11/2025 17:14 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
130419RECLASSIFY CONTINGENCY04/11/2025 04:24:31 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: 04/11/2025 16:24
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 130412
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: 04/11/2025 16:24
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 130412
Auto-generated on behalf of Manager NEM Real Time Operations
130418RECLASSIFY CONTINGENCY04/11/2025 04:15:35 PM
Reclassification of a Non-Credible Contingency Event: Chalumbin - Turkinje No.7165 132 kV line and Chalumbin - Turkinje No.7166 132 kV line in QLD1 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: QLD1
Lines: Chalumbin - Turkinje No.7165 132 kV and Chalumbin - Turkinje No.7166 132 kV
Duration: 04/11/2025 16:15 until further notice
Constraint set(s) invoked:
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: QLD1
Lines: Chalumbin - Turkinje No.7165 132 kV and Chalumbin - Turkinje No.7166 132 kV
Duration: 04/11/2025 16:15 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
130417RECLASSIFY CONTINGENCY04/11/2025 02:58:21 PM
Reclassification of a Non-Credible Contingency Event: Gordon - Chapel St No 1 220kV line and Gordon - Chapel St No 2 220kV line in TAS1 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: TAS1
Lines: Gordon - Chapel St No 1 220kV and Gordon - Chapel St No 2 220kV
Duration: 04/11/2025 14:58 until further notice
Constraint set(s) invoked:
F-T-CSGO Constraint set contains the following interconnector(s) on the left hand side:
T-V-MNSP1
T-CSGO_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: TAS1
Lines: Gordon - Chapel St No 1 220kV and Gordon - Chapel St No 2 220kV
Duration: 04/11/2025 14:58 until further notice
Constraint set(s) invoked:
F-T-CSGO Constraint set contains the following interconnector(s) on the left hand side:
T-V-MNSP1
T-CSGO_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
130416RECLASSIFY CONTINGENCY04/11/2025 02:58:20 PM
Reclassification of a Non-Credible Contingency Event: Lindisfarne - Mornington No.1 TEE line and Lindisfarne - Mornington No.2 TEE line in TAS1 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: TAS1
Lines: Lindisfarne - Mornington No.1 TEE and Lindisfarne - Mornington No.2 TEE
Duration: 04/11/2025 14:58 until further notice
Constraint set(s) invoked:
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: TAS1
Lines: Lindisfarne - Mornington No.1 TEE and Lindisfarne - Mornington No.2 TEE
Duration: 04/11/2025 14:58 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
130415RESERVE NOTICE04/11/2025 03:39:51 PM
STPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 07/11/2025
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 130374 has been updated at 1400 hrs 04/11/2025 to the following:
1. From 0000 hrs to 0130 hrs 07/11/2025.
The forecast capacity reserve requirement is 1430 MW.
The minimum capacity reserve available is 1039 MW.
2. From 1700 hrs to 1730 hrs 07/11/2025.
The forecast capacity reserve requirement is 1400 MW.
The minimum capacity reserve available is 1327 MW.
AEMO Operations
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 130374 has been updated at 1400 hrs 04/11/2025 to the following:
1. From 0000 hrs to 0130 hrs 07/11/2025.
The forecast capacity reserve requirement is 1430 MW.
The minimum capacity reserve available is 1039 MW.
2. From 1700 hrs to 1730 hrs 07/11/2025.
The forecast capacity reserve requirement is 1400 MW.
The minimum capacity reserve available is 1327 MW.
AEMO Operations
130414RESERVE NOTICE04/11/2025 03:39:31 PM
STPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 06/11/2025
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 130372 has been updated at 1400 hrs 04/11/2025 to the following:
1. From 0430 hrs to 0530 hrs 06/11/2025.
The forecast capacity reserve requirement is 1430 MW.
The minimum capacity reserve available is 1029 MW.
2. From 1730 hrs to 2359 hrs 06/11/2025.
The forecast capacity reserve requirement is 1430 MW.
The minimum capacity reserve available is 948 MW.
AEMO Operations
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 130372 has been updated at 1400 hrs 04/11/2025 to the following:
1. From 0430 hrs to 0530 hrs 06/11/2025.
The forecast capacity reserve requirement is 1430 MW.
The minimum capacity reserve available is 1029 MW.
2. From 1730 hrs to 2359 hrs 06/11/2025.
The forecast capacity reserve requirement is 1430 MW.
The minimum capacity reserve available is 948 MW.
AEMO Operations