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121806POWER SYSTEM EVENTS12/12/2024 08:52:19 PM
Non-credible contingency event - QLD region - 12/12/2024
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - QLD region - 12/12/2024
At 2026 hrs the Kamerunga to Barron George 132 kV Line 7184 and the Kamerunga to Barron George 132 kV Line 7141 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 - 12/12/2024
At 2026 hrs the Kamerunga to Barron George 132 kV Line 7184 and the Kamerunga to Barron George 132 kV Line 7141 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
121739INTER-REGIONAL TRANSFER12/12/2024 01:37:40 AM
Inter-Regional Transfer limit variation - Basslink
AEMO ELECTRICITY MARKET NOTICE
Inter-Regional Transfer limit variation - Basslink
There has been an unplanned outage of the Basslink interconnector.
The following constraint set was invoked at 0130 hrs 12/12/2024
I-BL_ZERO
The constraint set contains the following interconnector on the left hand side.
T-V-MNSP1
Manager NEM Real Time Operations
Inter-Regional Transfer limit variation - Basslink
There has been an unplanned outage of the Basslink interconnector.
The following constraint set was invoked at 0130 hrs 12/12/2024
I-BL_ZERO
The constraint set contains the following interconnector on the left hand side.
T-V-MNSP1
Manager NEM Real Time Operations
121695INTER-REGIONAL TRANSFER10/12/2024 03:31:22 PM
Update - Inter-regional transfer limit variation - constraint automation to manage Power System Security in QLD region - 10 Dec 2024
AEMO ELECTRICITY MARKET NOTICE
Refer to MN 121688
In order to maintain the power system in a secure operating state in the QLD region, AEMO has invoked automated constraint set CA_SYD_566A36E5 from 1245 hrs to 1510 hrs.
This constraint set contains equations with the following interconnector on the LHS;
NSW1-QLD1, N-Q_MNSP1
Refer to AEMO Network Outage Scheduler (NOS) for further information.
Manager NEM Real Time Operations
Refer to MN 121688
In order to maintain the power system in a secure operating state in the QLD region, AEMO has invoked automated constraint set CA_SYD_566A36E5 from 1245 hrs to 1510 hrs.
This constraint set contains equations with the following interconnector on the LHS;
NSW1-QLD1, N-Q_MNSP1
Refer to AEMO Network Outage Scheduler (NOS) for further information.
Manager NEM Real Time Operations
121688INTER-REGIONAL TRANSFER10/12/2024 01:00:33 PM
Inter-regional transfer limit variation - constraint automation to manage Power System Security in QLD region - 10 Dec 2024
AEMO ELECTRICITY MARKET NOTICE
In order to maintain the power system in a secure operating state in the QLD region, AEMO has invoked automated constraint set CA_SYD_566A36E5 from 1245 hrs until further notice.
This constraint set contains equations with the following interconnector on the LHS;
NSW1-QLD1, N-Q_MNSP1
Refer to AEMO Network Outage Scheduler (NOS) for further information.
Manager NEM Real Time Operations
In order to maintain the power system in a secure operating state in the QLD region, AEMO has invoked automated constraint set CA_SYD_566A36E5 from 1245 hrs until further notice.
This constraint set contains equations with the following interconnector on the LHS;
NSW1-QLD1, N-Q_MNSP1
Refer to AEMO Network Outage Scheduler (NOS) for further information.
Manager NEM Real Time Operations
121627INTER-REGIONAL TRANSFER08/12/2024 04:05:37 PM
Inter-regional transfer limit variation - constraint automation to manage Power System Security in NSW region - 08/12/2024
AEMO ELECTRICITY MARKET NOTICE
In order to maintain the power system in a secure operating state in the NSW region, AEMO has invoked automated constraint set CA_BRIS_5667C22F from 1600 hrs until further notice.
This constraint set contains equations with the following interconnector on the LHS;
N-Q-MNSP1
Refer to AEMO Network Outage Scheduler (NOS) for further information.
Manager NEM Real Time Operations
In order to maintain the power system in a secure operating state in the NSW region, AEMO has invoked automated constraint set CA_BRIS_5667C22F from 1600 hrs until further notice.
This constraint set contains equations with the following interconnector on the LHS;
N-Q-MNSP1
Refer to AEMO Network Outage Scheduler (NOS) for further information.
Manager NEM Real Time Operations
121618MINIMUM SYSTEM LOAD08/12/2024 12:40:09 PM
Cancellation - Forecast Minimum System Load 1 (MSL1) condition in the VIC Region on 08/12/2024
AEMO ELECTRICITY MARKET NOTICE
Cancellation - Forecast MSL1 - VIC Region at 1230 hrs 08/12/2024.
Refer to Market Notice 121617 for Forecast MSL1.
Manager NEM Real Time Operations
Cancellation - Forecast MSL1 - VIC Region at 1230 hrs 08/12/2024.
Refer to Market Notice 121617 for Forecast MSL1.
Manager NEM Real Time Operations
121617MINIMUM SYSTEM LOAD08/12/2024 09:57:19 AM
Forecast Minimum System Load MSL1 condition in the VIC Region on 08/12/2024
AEMO ELECTRICITY MARKET NOTICE
Forecast Minimum System Load MSL1 condition in the VIC Region on 08/12/2024
Update to Market Notice 121508 - AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the VIC on 08/12/2024.
Minimum regional demand is forecast to be 1299 MW at 1300 hrs, and the advisory threshold is:
o MSL1 - 1560 MW
o MSL2 - 1060 MW
o MSL3 - 560 MW
The regional demand is forecast to be below the MSL1 threshold for the following period[s]:
From 1130 hrs 08/12/2024 to 1400 hrs 08/12/2024.
Manager NEM Real Time Operations
Forecast Minimum System Load MSL1 condition in the VIC Region on 08/12/2024
Update to Market Notice 121508 - AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the VIC on 08/12/2024.
Minimum regional demand is forecast to be 1299 MW at 1300 hrs, and the advisory threshold is:
o MSL1 - 1560 MW
o MSL2 - 1060 MW
o MSL3 - 560 MW
The regional demand is forecast to be below the MSL1 threshold for the following period[s]:
From 1130 hrs 08/12/2024 to 1400 hrs 08/12/2024.
Manager NEM Real Time Operations
121614INTER-REGIONAL TRANSFER08/12/2024 04:00:08 AM
Inter-regional transfer limit variation - Glenn Innes to Tenterfield 96R 132kV line- NSW region - 08/12/2024
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation -Glenn Innes to Tenterfield 96R 132kV line - NSW region - 08/12/2024
At 0333 hrs 08/12/2024 there was an unplanned outage of Glenn Innes to Tenterfield 96R 132kV line.
The following constraint set(s) invoked at 0345 hrs 08/12/2024
N-96L_96R_CB4102
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 -Glenn Innes to Tenterfield 96R 132kV line - NSW region - 08/12/2024
At 0333 hrs 08/12/2024 there was an unplanned outage of Glenn Innes to Tenterfield 96R 132kV line.
The following constraint set(s) invoked at 0345 hrs 08/12/2024
N-96L_96R_CB4102
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
121508MINIMUM SYSTEM LOAD06/12/2024 02:43:31 PM
Forecast Minimum System Load (MSL1) condition in the VIC region on 08/12/2024
AEMO ELECTRICITY MARKET NOTICE
AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the VIC region on 08/12/2024.
Minimum System Load (MSL) conditions are forecast when regional demand is less than the relevant MSL threshold. The advisory MSL thresholds are:
o MSL1 - 1590 MW
o MSL2 - 1090 MW
o MSL3 - 590 MW
The regional demand is forecast to be below the MSL1 threshold for the following period:
1. From 1200 hrs 08/12/2024 to 1330 hrs 08/12/2024. Minimum regional demand is forecast to be 1496 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
AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the VIC region on 08/12/2024.
Minimum System Load (MSL) conditions are forecast when regional demand is less than the relevant MSL threshold. The advisory MSL thresholds are:
o MSL1 - 1590 MW
o MSL2 - 1090 MW
o MSL3 - 590 MW
The regional demand is forecast to be below the MSL1 threshold for the following period:
1. From 1200 hrs 08/12/2024 to 1330 hrs 08/12/2024. Minimum regional demand is forecast to be 1496 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