Market Notices

79773INTER-REGIONAL TRANSFER10/11/2020 04:49:09 PM

Inter-Regional Transfer limit variation - Murraylink control unavailable (SA Region)

AEMO ELECTRICITY MARKET NOTICE

Inter-Regional Transfer limit variation - Murraylink control unavailable (SA Region)

AEMO has been notified that the controls to vary Murraylink output are unavailable until further notice.

Constraint set I-CTRL_ISSUE_ML invoked from 1650 hrs.

The constraint set contains equations with the following interconnector on the LHS:

V-S-MNSP1


Manager NEM Real Time Operations
79770INTER-REGIONAL TRANSFER10/11/2020 04:05:37 PM

Inter-regional transfer limit variation - constraint to manage Power System Security in SA region - 10/11/2020

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - constraint to manage Power System Security in SA region - 10/11/2020

In order to maintain the power system in a secure operating state in the SA region, AEMO has invoked constraint set I-SVML_120 from 1605 hrs until further notice.

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

V-S-MNSP1

Manager NEM Real Time Operations
79753INTER-REGIONAL TRANSFER10/11/2020 05:55:19 AM

Cancellation - Inter-regional transfer limit variation - constraint to manage Power System Security in SA region - 10/11/2020

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Inter-regional transfer limit variation - constraint to manage Power System Security in SA region - 10/11/2020

Refer to Market Notice 79748

AEMO revoked constraint set I-SVML_140 at 0555 hrs.

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

V-S-MNSP1

Manager NEM Real Time Operations
79752INTER-REGIONAL TRANSFER10/11/2020 05:48:24 AM

Cancellation - Inter-regional transfer limit variation: Hazelwood - South Morang No 1 500 kV Line (Vic) - Voltage Control

AEMO ELECTRICITY MARKET NOTICE


The Hazelwood - South Morang No 1 500 kV Line was de-energised to manage voltages in the Victoria region.

Refer to MN 79747

The following constraint set was invoked from 0140 hrs 10/11/2020 to 0550 hrs 10/11/2020

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
79750INTER-REGIONAL TRANSFER10/11/2020 05:46:09 AM

Cancellation - Inter-regional transfer limit variation - Tarong - Blackwall (875) 275kV Line (Qld) - Voltage Control

AEMO ELECTRICITY MARKET NOTICE

Refer to Market Notice 79745

The Tarong - Blackwall (875) 275kV Line has been returned to service.

The following constraint set was revoked at 0545 hrs.
Q-TRBK

The constraint set contains equations with the following interconnectors on the LHS.
N-Q-MNSP1
NSW1-QLD1

Refer to AEMO Network Outage Scheduler (NOS) for further details.

Manager NEM Real Time Operations
79749INTER-REGIONAL TRANSFER10/11/2020 05:45:15 AM

Cancellation - Inter-regional transfer limit variation - Greenbank - Middle Ridge (8848) 275kV Line (Qld) - Voltage Control

AEMO ELECTRICITY MARKET NOTICE

Refer to Market Notice 79746

The Greenbank - Middle Ridge (8848) 275kV Line has been returned to service.

The following constraint set was revoked at 0545 hrs.
Q-MRGB_8848_8849

The constraint set contains equations with the following interconnectors on the LHS.
NSW-QLD1
N-Q-MNSP1

Refer to AEMO Network Outage Scheduler (NOS) for further details.

Manager NEM Real Time Operations
79748INTER-REGIONAL TRANSFER10/11/2020 01:59:38 AM

Inter-regional transfer limit variation - constraint to manage Power System Security in SA region - 10/11/2020

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - constraint to manage Power System Security in SA region - 10/11/2020

In order to maintain the power system in a secure operating state in the SA region, AEMO has invoked constraint set I-SVML_140 from 0155 hrs until further notice.

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

V-S-MNSP1

Manager NEM Real Time Operations
79747INTER-REGIONAL TRANSFER10/11/2020 01:40:47 AM

Inter-regional transfer limit variation: Hazelwood - South Morang No 1 500 kV Line (Vic) - Voltage Control

AEMO ELECTRICITY MARKET NOTICE

The Hazelwood - South Morang No 1 500 kV Line has been de-energised to manage voltages in the Victoria region.

The following constraint set was invoked at 0140 hrs 10/11/2020

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
79746INTER-REGIONAL TRANSFER10/11/2020 01:38:57 AM

Inter-regional transfer limit variation - Greenbank to Middle Ridge (8848) 275kV Transmission Line (Qld) - Voltage Control

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Greenbank to Middle Ridge (8848) 275kV Transmission Line (Qld) - Voltage Control

The Greenbank to Middle Ridge (8848) 275kV Transmission Line has been de-energised to manage voltages in the Qld region.

Constraint set Q-MRGB_8848_8849 invoked at 0130 hrs 10/11/2020

The constraint set contains equations with the following interconnectors on the LHS.

NSW-QLD1
N-Q-MNSP1

Refer to AEMO Network Outage Schedule for further details.

Manager NEM Real Time Operations
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