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120831INTER-REGIONAL TRANSFER22/11/2024 05:29:01 PM
Inter-Regional Transfer limit variation - Directlink - NSW Region
AEMO ELECTRICITY MARKET NOTICE
Inter-Regional Transfer limit variation - Directlink - NSW Region
There has been an unplanned outage of the No 2 Leg of Directlink .
The following constraint set was invoked at 1720 hrs 22/11/2024
N-X_MBTE_2
The constraint set contains the following interconnector on the left hand side.
N-Q-MNSP1
Refer AEMO Network Outage Scheduler (NOS) for further details.
Manager NEM Real Time Operations
Inter-Regional Transfer limit variation - Directlink - NSW Region
There has been an unplanned outage of the No 2 Leg of Directlink .
The following constraint set was invoked at 1720 hrs 22/11/2024
N-X_MBTE_2
The constraint set contains the following interconnector on the left hand side.
N-Q-MNSP1
Refer AEMO Network Outage Scheduler (NOS) for further details.
Manager NEM Real Time Operations
120682INTER-REGIONAL TRANSFER19/11/2024 04:44:40 PM
Inter-regional transfer limit variation - Moorabool - Sydenham No. 2 500 kV Line - VIC region - 19/11/2024
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Moorabool - Sydenham No. 2 500 kV Line - VIC region - 19/11/2024
A planned outage of Moorabool - Sydenham No. 2 500 kV Line in the VIC region was scheduled from 1130 hrs 13/11/2024 to 1900 hrs 20/11/2024.
The outage has been completed and Moorabool - Sydenham No. 2 500 kV Line returned to service at 1640 hrs 19/11/2024
Constraint set(s) revoked: V-MLSY_NOEMTT_R
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Moorabool - Sydenham No. 2 500 kV Line - VIC region - 19/11/2024
A planned outage of Moorabool - Sydenham No. 2 500 kV Line in the VIC region was scheduled from 1130 hrs 13/11/2024 to 1900 hrs 20/11/2024.
The outage has been completed and Moorabool - Sydenham No. 2 500 kV Line returned to service at 1640 hrs 19/11/2024
Constraint set(s) revoked: V-MLSY_NOEMTT_R
Manager NEM Real Time Operations
120616INTER-REGIONAL TRANSFER18/11/2024 04:02:01 PM
Inter-regional transfer limit variation - Southpine - Rocklea 809 275 kV Line - QLD region - 18/11/2024
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Southpine - Rocklea 809 275 kV Line - QLD region - 18/11/2024
At 1545 hrs 18/11/2024 there was an unplanned outage of Southpine - Rocklea 809 275 kV Line.
The following constraint set(s) invoked at 1545 hrs 18/11/2024
Q-RLSP_809
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1,NSW1-QLD1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Southpine - Rocklea 809 275 kV Line - QLD region - 18/11/2024
At 1545 hrs 18/11/2024 there was an unplanned outage of Southpine - Rocklea 809 275 kV Line.
The following constraint set(s) invoked at 1545 hrs 18/11/2024
Q-RLSP_809
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1,NSW1-QLD1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
120550INTER-REGIONAL TRANSFER17/11/2024 01:33:17 PM
Inter-regional transfer limit variation - Armidale to Dumaresq (8C) 330 kV line - NSW region - 17/11/2024
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Armidale to Dumaresq (8C) 330 kV line - NSW region - 17/11/2024
A planned outage of Armidale to Dumaresq (8C) 330 kV line in the NSW region was scheduled from 0500 hrs 17/11/2024 to 1700 hrs 17/11/2024.
The outage has been completed returned to service at 1330 hrs 17/11/2024
Constraint set(s) revoked:
N-ARDM_8C
N-DM_SVC
N-TW_SVC
N-X_8C+DM+TW_SVC
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Armidale to Dumaresq (8C) 330 kV line - NSW region - 17/11/2024
A planned outage of Armidale to Dumaresq (8C) 330 kV line in the NSW region was scheduled from 0500 hrs 17/11/2024 to 1700 hrs 17/11/2024.
The outage has been completed returned to service at 1330 hrs 17/11/2024
Constraint set(s) revoked:
N-ARDM_8C
N-DM_SVC
N-TW_SVC
N-X_8C+DM+TW_SVC
Manager NEM Real Time Operations
120306POWER SYSTEM EVENTS12/11/2024 11:43:52 AM
Update - Non-credible contingency event - VIC region - 12/11/2024
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - VIC region - 12/11/2024
Refer AEMO Electricity Market Notice 120305
At 1135 hrs the Yallourn No 1 220 kV 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 - VIC region - 12/11/2024
Refer AEMO Electricity Market Notice 120305
At 1135 hrs the Yallourn No 1 220 kV 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
120305POWER SYSTEM EVENTS12/11/2024 10:55:18 AM
Non-credible contingency event - VIC region - 12/11/2024
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - VIC region - 12/11/2024
At 1041 hrs the Yallourn No 1 220 kV bus and Yallourn Unit 4 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 - VIC region - 12/11/2024
At 1041 hrs the Yallourn No 1 220 kV bus and Yallourn Unit 4 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
120253INTER-REGIONAL TRANSFER11/11/2024 01:31:43 PM
Inter-regional transfer limit variation - Bungama - Davenport 275 kV line - SA region - 11/11/2024
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Bungama - Davenport 275 kV line - SA region - 11/11/2024
At 1307 hrs 11/11/2024 there was an unplanned outage of the Bungama - Davenport 275 kV line.
The following constraint set invoked at 1315 hrs 11/11/2024
S-BGDV
This constraint sets contains equations with the following interconnectors on the LHS.
V-S-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Bungama - Davenport 275 kV line - SA region - 11/11/2024
At 1307 hrs 11/11/2024 there was an unplanned outage of the Bungama - Davenport 275 kV line.
The following constraint set invoked at 1315 hrs 11/11/2024
S-BGDV
This constraint sets contains equations with the following interconnectors on the LHS.
V-S-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
120099MINIMUM SYSTEM LOAD07/11/2024 03:11:35 PM
Cancellation - Forecast Minimum System Load 1 (MSL1) condition in the VIC Region on 10/11/2024
AEMO ELECTRICITY MARKET NOTICE
Cancellation - Forecast MSL1 - VIC Region at 1400 hrs 07/11/2024.
Refer to Market Notice 119996 for Forecast MSL1.
AEMO Operations
Cancellation - Forecast MSL1 - VIC Region at 1400 hrs 07/11/2024.
Refer to Market Notice 119996 for Forecast MSL1.
AEMO Operations
119996MINIMUM SYSTEM LOAD06/11/2024 03:44:08 PM
Forecast Minimum System Load 1 (MSL1) condition in the VIC region on 10/11/2024
AEMO ELECTRICITY MARKET NOTICE
Update to Market Notice 119920 - AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the VIC region on 10/11/2024.
Minimum System Load (MSL) conditions are forecast when regional demand is less than the relevant MSL threshold. The advisory MSL thresholds are:
o MSL1 - 1745 MW
o MSL2 - 1245 MW
o MSL3 - 745 MW
The regional demand is forecast to be below the MSL1 threshold for the following period:
1. From 1230 hrs to 1330 hrs 10/11/2024. Minimum regional demand is forecast to be 1719 MW at 1300 hrs.
Forecast regional demand (DEMAND50) is published in Short Term and Pre-Dispatch PASA region solution reports available on Market Data NEMWEB: https://aemo.com.au/en/energy-systems/electricity/national-electricity-market-nem/data-nem/market-data-nemweb .
AEMO Operations
Update to Market Notice 119920 - AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the VIC region on 10/11/2024.
Minimum System Load (MSL) conditions are forecast when regional demand is less than the relevant MSL threshold. The advisory MSL thresholds are:
o MSL1 - 1745 MW
o MSL2 - 1245 MW
o MSL3 - 745 MW
The regional demand is forecast to be below the MSL1 threshold for the following period:
1. From 1230 hrs to 1330 hrs 10/11/2024. Minimum regional demand is forecast to be 1719 MW at 1300 hrs.
Forecast regional demand (DEMAND50) is published in Short Term and Pre-Dispatch PASA region solution reports available on Market Data NEMWEB: https://aemo.com.au/en/energy-systems/electricity/national-electricity-market-nem/data-nem/market-data-nemweb .
AEMO Operations