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Cancellation - Inter-regional transfer limit variation - QNI (Qld to NSW transfer) - 23/01/2021
Cancellation - Inter-regional transfer limit variation - QNI (Qld to NSW transfer) - 23/01/2021
Refer to MN 82313 and 82314
To manage Power System Security, the following constraint set has been invoked.
Constraint I-QN_1000 invoked from 1245 hrs to 1630 hrs
Constraint CA_SYDS_4F1E1FC4_1 invoked from 1315 hrs to 1630 hrs
Constraint has the following interconnector on the LHS
NSW1-QLD1
N-Q_MNSP1
Manager NEM Real Time Operations
Update - Inter-regional transfer limit variation - QNI (Qld to NSW transfer) - 23/01/2021
Update - Inter-regional transfer limit variation - QNI (Qld to NSW transfer) - 23/01/2021
To manage Power System Security, the following constraint set has been invoked.
Constraint I-QN_1000 invoked from 1245 hrs until further notice
Constraint CA_SYDS_4F1E1FC4_1 invoked from 1315 hrs until further notice
Constraint has the following interconnector on the LHS
NSW1-QLD1
N-Q_MNSP1
Manager NEM Real Time Operations
Inter-regional transfer limit variation - QNI (Qld to NSW transfer) - 23/01/2021
Inter-regional transfer limit variation - QNI (Qld to NSW transfer) - 23/01/2021
To manage Power System Security, the following constraint set has been invoked.
Constraint I-QN_1000 invoked from 1245 hrs until further notice
Constraint has the following interconnector on the LHS
NSW1-QLD1
Manager NEM Real Time Operations
Inter-Regional Transfer limit variation - Murraylink power transfer limit reduction due to high temperature for 23, 24 and 25 January 2021
Inter-Regional Transfer limit variation - Murraylink power transfer limit reduction due to high temperature.
Murraylink power transfer limit advice has been reduced based on APA advice, consistent with the high forecast ambient temperatures in the vicinity of Murraylink (Berri and Redcliffe) for 23, 24 and 25 January 2021.
The following constraints have been invoked:
Constraint set I-SVML_180 23/1/2021 1300 - 1600 hrs
Constraint set I-VSML_180 23/1/2021 1300 - 1600 hrs
Constraint set I-SVML_160 23/1/2021 1600 - 1900 hrs
Constraint set I-VSML_160 23/1/2021 1600 - 1900 hrs
Constraint set I-SVML_190 23/1/2021 1900 - 2200 hrs
Constraint set I-VSML_190 23/1/2021 1900 - 2200 hrs
Constraint set I-SVML_190 24/1/2021 1100 - 1300 hrs
Constraint set I-VSML_190 24/1/2021 1100 - 1300 hrs
Constraint set I-SVML_80 24/1/2021 1300 - 1600 hrs
Constraint set I-VSML_80 24/1/2021 1300 - 1600 hrs
Constraint set I-SVML_30 24/1/2021 1600 - 1900 hrs
Constraint set I-VSML_30 24/1/2021 1600 - 1900 hrs
Constraint set I-SVML_105 24/1/2021 1900 - 2200 hrs
Constraint set I-VSML_105 24/1/2021 1900 - 2200 hrs
Constraint set I-SVML_145 25/1/2021 1100 - 1300 hrs
Constraint set I-VSML_145 25/1/2021 1100 - 1300 hrs
Constraint set I-SVML_80 25/1/2021 1300 - 1900 hrs
Constraint set I-VSML_80 25/1/2021 1300 - 1900 hrs
Constraint set I-SVML_190 25/1/2021 1900 - 2200 hrs
Constraint set I-VSML_190 25/1/2021 1900 - 2200 hrs
These constraints will be continually reviewed and adjusted as necessary.
Operations Planning
Cancellation - Inter-regional transfer limit variation - Chapel St to Gordon No 2 220 kV Line - TAS region - 18/01/2021
Cancellation - Inter-regional transfer limit variation - Chapel St to Gordon No 2 220 kV Line - TAS region - 18/01/2021
Refer AEMO Electricity Market Notice 82226
The Chapel St to Gordon No 2 220 kV Line has been returned to service.
The following constraint sets were revoked at 1740 hrs 18/01/2021
Constraint set(s) invoked: T-CSGO and F-T-CSGO
This constraint set(s) contains equations with the following interconnectors on the LHS.
T-V-MNSP1
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Chapel St to Gordon No 2 220 kV Line - TAS region - 18/01/2020
Inter-regional transfer limit variation - Chapel St to Gordon No 2 220 kV Line - TAS region - 18/01/2021
At 1717 hrs 18/01/2021 there was an unplanned outage of Chapel St to Gordon No 2 220 kV Line.
Constraint set(s) invoked: T-CSGO and F-T-CSGO
This constraint set(s) contains equations with the following interconnectors on the LHS.
T-V-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Cancellation - Inter-regional transfer limit variation: Hazelwood - South Morang No.2 500 kV Line (Vic) - Voltage Control
Cancellation - Inter-regional transfer limit variation: Hazelwood - South Morang No.2 500 kV Line (Vic) - Voltage Control
Refer AEMO Electricity Market Notice 82197
The Hazelwood - South Morang No.2 500 kV Line has been returned to service.
The following constraint set was revoked from 0450 hrs 18/01/2021
V-HWSM
The constraint set contains equations with the following interconnectors on the LHS.
T-V-MNSP1
V-S-MNSP1
V-SA
VIC1-NSW1
Manager NEM Real Time Operations
Inter-Regional Transfer limit variation Greenbank SVC (QLD)
Inter-Regional Transfer limit variation Greenbank SVC (QLD)
At 1503 hrs there was an unplanned outage of the Greenbank SVC in the Queensland region.
Constraint set Q-GB_VC invoked from 1510 hrs 17/01/2020 until further notice.
This constraint set contains equations with the following interconnectors on the LHS.
NSW1-QLD1
N-Q-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation: Hazelwood - South Morang No 2 500 kV Line (VIC) - Voltage Control
The Hazelwood - South Morang No 2 500 kV Line has been de-energised to manage voltages in the Victoria region.
The following constraint set was invoked at 1110 hrs 17/01/2021
V-HWSM
The constraint set contains equations with the following interconnectors on the LHS.
T-V-MNSP
V-S-MNSP1
V-SA
VIC1-NSW1
Refer to AEMO Network Outage Scheduler (NOS) for further details
Manager NEM Real Time Operations