Market Notices

82306INTER-REGIONAL TRANSFER22/01/2021 01:18:05 PM

Inter-Regional Transfer limit variation - Murraylink power transfer limit reduction due to high temperature for 23, 24 and 25 January 2021

AEMO ELECTRICITY MARKET NOTICE

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
     
82228INTER-REGIONAL TRANSFER18/01/2021 05:43:50 PM

Cancellation - Inter-regional transfer limit variation - Chapel St to Gordon No 2 220 kV Line - TAS region - 18/01/2021

AEMO ELECTRICITY MARKET NOTICE

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

     
82226INTER-REGIONAL TRANSFER18/01/2021 05:33:31 PM

Inter-regional transfer limit variation - Chapel St to Gordon No 2 220 kV Line - TAS region - 18/01/2020

AEMO ELECTRICITY MARKET NOTICE

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
     
82213INTER-REGIONAL TRANSFER18/01/2021 04:54:57 AM

Cancellation - Inter-regional transfer limit variation: Hazelwood - South Morang No.2 500 kV Line (Vic) - Voltage Control

AEMO ELECTRICITY MARKET NOTICE

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

     
82205INTER-REGIONAL TRANSFER17/01/2021 03:14:36 PM

Inter-Regional Transfer limit variation Greenbank SVC (QLD)

AEMO ELECTRICITY MARKET NOTICE

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
     
82197INTER-REGIONAL TRANSFER17/01/2021 11:15:54 AM

Inter-regional transfer limit variation: Hazelwood - South Morang No 2 500 kV Line (VIC) - Voltage Control

AEMO ELECTRICITY MARKET NOTICE

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
     
82164INTER-REGIONAL TRANSFER15/01/2021 03:34:46 AM

Inter-regional transfer limit variation - constraint to manage Power System Security - Murraylink - 15/01/2021

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - constraint to manage Power System Security - Murraylink - 15/01/2021

In order to maintain the power system in a secure operating state, AEMO has invoked constraint set I-VSML_000 from 0320 hrs until further notice.

This constraint set contains equations with the following interconnector on the LHS;

V-S-MNSP1

Manager NEM Real Time Operations
     
82086INTER-REGIONAL TRANSFER12/01/2021 08:38:47 AM

Cancellation Inter-Regional Transfer limit variation - Basslink - 12/01/2021

AEMO ELECTRICITY MARKET NOTICE

Cancellation Inter-Regional Transfer limit variation - Basslink

Refer AEMO Electricity Market Notice 82082

The following constraint set was revoked at 0840 hrs 12/01/2021

I-BL_ZERO

The constraint set contains the following interconnector on the left hand side.

T-V-MNSP1

Manager NEM Real Time Operations
     
82082INTER-REGIONAL TRANSFER12/01/2021 08:24:08 AM

Inter-Regional Transfer limit variation - Basslink - 12/01/2021

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 0820 hrs 12/01/2021

I-BL_ZERO

The constraint set contains the following interconnector on the left hand side.

T-V-MNSP1

Manager NEM Real Time Operations
     
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