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115424INTER-REGIONAL TRANSFER01/03/2024 05:37:17 PM
Cancellation - Inter-regional transfer limit variation - constraint automation to manage Power System Security in NSW region - 29/12/2023
AEMO ELECTRICITY MARKET NOTICE
Cancellation - Inter-regional transfer limit variation - constraint automation to manage Power System Security in NSW region - 29/12/2023
Refer AEMO Electricity Market Notice 115398.
Constraint set CA_BRIS_54F2D1C0 revoked 1710 hrs.
This constraint set contains equations with the following interconnector on the LHS;
VIC1-NSW1
Manager NEM Real Time Operations
Cancellation - Inter-regional transfer limit variation - constraint automation to manage Power System Security in NSW region - 29/12/2023
Refer AEMO Electricity Market Notice 115398.
Constraint set CA_BRIS_54F2D1C0 revoked 1710 hrs.
This constraint set contains equations with the following interconnector on the LHS;
VIC1-NSW1
Manager NEM Real Time Operations
115419INTER-REGIONAL TRANSFER01/03/2024 04:22:02 PM
Inter-regional transfer limit variation - Para - Roseworthy 132 kV Line - SA region - 01/03/2024
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Para - Roseworthy 132 kV Line - SA region - 01/03/2024
At 1515 hrs 01/03/2024 there was a short notice outage of Para - Roseworthy 132 kV Line.
The following constraint set was invoked at 1530 hrs 01/03/2024
S-PARS
This constraint set 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 - Para - Roseworthy 132 kV Line - SA region - 01/03/2024
At 1515 hrs 01/03/2024 there was a short notice outage of Para - Roseworthy 132 kV Line.
The following constraint set was invoked at 1530 hrs 01/03/2024
S-PARS
This constraint set 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
115413GENERAL NOTICE01/03/2024 02:45:46 PM
Update - Lightning vulnerable equipment in QLD region
AEMO ELECTRICITY MARKET NOTICE.
Update - Lightning vulnerable equipment in QLD region
Special Reclassification of Transmission Equipment during lightning
Refer to AEMO Electricity Market Notice 115270.
At 1029 hrs 28/02/2024 the Tully - Cardwell No.7389 132 kV Line tripped and auto reclosed and Ross - Woree No. 8905 275 kV Line tripped and auto reclosed.
The cause of the trip was identified as due to lightning.
In accordance with SO_OP_3715, AEMO now considers these lines to be vulnerable due to lightning.
Manager NEM Real Time Operations
Update - Lightning vulnerable equipment in QLD region
Special Reclassification of Transmission Equipment during lightning
Refer to AEMO Electricity Market Notice 115270.
At 1029 hrs 28/02/2024 the Tully - Cardwell No.7389 132 kV Line tripped and auto reclosed and Ross - Woree No. 8905 275 kV Line tripped and auto reclosed.
The cause of the trip was identified as due to lightning.
In accordance with SO_OP_3715, AEMO now considers these lines to be vulnerable due to lightning.
Manager NEM Real Time Operations
115408INTER-REGIONAL TRANSFER01/03/2024 08:15:32 AM
Inter-regional transfer limit variation - Mt Piper 500/330 kV TIE1 Transformer - NSW region - 01/03/2024
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Mt Piper 500/330 kV TIE1 Transformer - NSW region - 01/03/2024
At 0747 hrs 01/03/2024 there was an unplanned outage of Mt Piper 500/330 kV TIE1 Transformer.
Constraint set(s) invoked: N-MPTX
The following constraint set(s) invoked at 0755 hrs 01/03/2024
N-MPTX
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1,NSW1-QLD1,VIC1-NSW1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Mt Piper 500/330 kV TIE1 Transformer - NSW region - 01/03/2024
At 0747 hrs 01/03/2024 there was an unplanned outage of Mt Piper 500/330 kV TIE1 Transformer.
Constraint set(s) invoked: N-MPTX
The following constraint set(s) invoked at 0755 hrs 01/03/2024
N-MPTX
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1,NSW1-QLD1,VIC1-NSW1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
115398INTER-REGIONAL TRANSFER29/02/2024 07:06:55 PM
Inter-regional transfer limit variation - constraint automation to manage Power System Security in NSW region - 29/02/2024
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - constraint automation to manage Power System Security in NSW region - 29/02/2024
In order to maintain the power system in a secure operating state in the NSW region, AEMO has invoked automated constraint set CA_BRIS_54F2D1C0 from 1850 hrs until further notice.
This constraint set contains equations with the following interconnector on the LHS;
VIC1-NSW1
Manager NEM Real Time Operations
Inter-regional transfer limit variation - constraint automation to manage Power System Security in NSW region - 29/02/2024
In order to maintain the power system in a secure operating state in the NSW region, AEMO has invoked automated constraint set CA_BRIS_54F2D1C0 from 1850 hrs until further notice.
This constraint set contains equations with the following interconnector on the LHS;
VIC1-NSW1
Manager NEM Real Time Operations
115372INTER-REGIONAL TRANSFER29/02/2024 04:18:08 PM
Inter-regional transfer limit variation - constraint automation to manage Power System Security in NSW region - 29/02/2024
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - constraint automation to manage Power System Security in NSW region - 29/02/2024
In order to maintain the power system in a secure operating state in the NSW region, AEMO has invoked automated constraint set CA-BRIS_54F2ABFD_1 from 1610 hrs until further notice.
This constraint set contains equations with the following interconnector on the LHS;
VIC1-NSW1
Manager NEM Real Time Operations
Inter-regional transfer limit variation - constraint automation to manage Power System Security in NSW region - 29/02/2024
In order to maintain the power system in a secure operating state in the NSW region, AEMO has invoked automated constraint set CA-BRIS_54F2ABFD_1 from 1610 hrs until further notice.
This constraint set contains equations with the following interconnector on the LHS;
VIC1-NSW1
Manager NEM Real Time Operations
115296INTER-REGIONAL TRANSFER28/02/2024 03:25:40 PM
Inter-regional transfer limit variation - 275kV South Pine SVC - QLD region - 28/02/2024
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation -275kV South Pine SVC - QLD region - 28/02/2024
At 1425 hrs 28/02/2024 there was an unplanned outage of 275kV South Pine SVC.
Constraint set Q-SP_VC invoked from 1435 hrs.
The constraint set contains equations with the following interconnector 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 -275kV South Pine SVC - QLD region - 28/02/2024
At 1425 hrs 28/02/2024 there was an unplanned outage of 275kV South Pine SVC.
Constraint set Q-SP_VC invoked from 1435 hrs.
The constraint set contains equations with the following interconnector on the LHS:
N-Q-MNSP1
NSW1-QLD1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
115256INTER-REGIONAL TRANSFER28/02/2024 11:02:16 AM
Inter-regional transfer limit variation - constraint automation to manage Power System Security in VIC region - 28/02/2024
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - constraint automation to manage Power System Security in VIC region - 28/02/2024
In order to maintain the power system in a secure operating state in the VIC region, AEMO has invoked automated constraint set CA_SYDS_54F10C1F from 1035 hrs until further notice.
This constraint set contains equations with the following interconnector on the LHS;
V-S_MNSP1
V-SA
VIC1-NSW1
Refer to AEMO Network Outage Scheduler (NOS) for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - constraint automation to manage Power System Security in VIC region - 28/02/2024
In order to maintain the power system in a secure operating state in the VIC region, AEMO has invoked automated constraint set CA_SYDS_54F10C1F from 1035 hrs until further notice.
This constraint set contains equations with the following interconnector on the LHS;
V-S_MNSP1
V-SA
VIC1-NSW1
Refer to AEMO Network Outage Scheduler (NOS) for further information.
Manager NEM Real Time Operations
115131GENERAL NOTICE26/02/2024 10:14:26 AM
NEM Local Temperature Alerts for SA, VIC from 26 Feb 2024 to 01 Mar 2024
AEMO ELECTRICITY MARKET NOTICE
AEMO's weather service provider has issued forecast temperatures equal to or greater than the NEM Local Temperature Alert Levels for listed weather stations below.
SA
Port Augusta Ap (39+ Deg C): 27th Feb, 28th Feb
VIC
Mildura Ap (39+ Deg C): 28th Feb
The NEM Local Temperature Alert Levels are:
Launceston Ti Tree Bend: 33 Deg C, Dalby Airport: 37 Deg C, for all other selected weather stations: 39 Deg C.
AEMO requests Market Participants to:
1. review the weather forecast in the local area where their generating units / MNSP converter stations are located and,
2. if required, update the available capacity in their dispatch offers or availability submissions consistent with the forecast temperatures.
Further information is available at:
https://aemo.com.au/energy-systems/electricity/national-electricity-market-nem/nem-forecasting-and-planning/forecasting-and-reliability/projected-assessment-of-system-adequacy/nem-local-temperature-alerts
AEMO Operations Planning
AEMO's weather service provider has issued forecast temperatures equal to or greater than the NEM Local Temperature Alert Levels for listed weather stations below.
SA
Port Augusta Ap (39+ Deg C): 27th Feb, 28th Feb
VIC
Mildura Ap (39+ Deg C): 28th Feb
The NEM Local Temperature Alert Levels are:
Launceston Ti Tree Bend: 33 Deg C, Dalby Airport: 37 Deg C, for all other selected weather stations: 39 Deg C.
AEMO requests Market Participants to:
1. review the weather forecast in the local area where their generating units / MNSP converter stations are located and,
2. if required, update the available capacity in their dispatch offers or availability submissions consistent with the forecast temperatures.
Further information is available at:
https://aemo.com.au/energy-systems/electricity/national-electricity-market-nem/nem-forecasting-and-planning/forecasting-and-reliability/projected-assessment-of-system-adequacy/nem-local-temperature-alerts
AEMO Operations Planning