Market Notices

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Armidale SVC - NSW region - 26/04/2021

At 0614 hrs 26/04/2021 there was an unplanned outage of Armidale SVC.

The following constraint set was invoked from 0630 hrs 26/04/2021 to 0635 hrs 26/04/2021

N-AR_VC1

The constraint set 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

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Lismore 132kV SVC - NSW region - 23/04/2021

At 0732 hrs 23/04/2021 there was an unplanned outage of the Lismore 132kV SVC.

The following constraint set invoked at 0745 hrs 23/04/2021
N-LS_VC1

This constraint set 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

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - South Morang - Hazelwood No. 1 Line No. 2 Bus 500kV circuit breaker - Vic region - 22/04/2021

At 0720 hrs 22/04/2021 at South Morang there was a short notice outage of the Hazelwood No. 1 Line No. 2 Bus 500kV circuit breaker.

At 0720 hrs 22/04/2021 the South Morang No2 500 kV Busbar was returned to service.

The following constraint set remains invoked:

V-SMTS_BYPASS_HW_SY

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

NSW1 - QLD1
T-V-MNSP1
V-SA
V-S-MNSP1
VIC1- NSW1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - SMTS No2 500 kV Busbar - VIC region - 22/04/2021

At 0625 hrs 22/04/2021 there was a short notice outage of SMTS No2 500 kV Busbar.


The following constraint set(s) invoked at 0625 hrs 22/04/2021

V-SMTS_BYPASS_HW_SY

This constraint set contains equations with the following interconnectors on the LHS.
delete

NSW1 - QLD1
T-V-MNSP1
V-SA
V-S-MNSP1
VIC1- NSW1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

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

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 0145 hrs 22/04/2021.

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

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 0130 hrs 19/04/2021.

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

AEMO ELECTRICITY MARKET NOTICE

Inter-Regional Transfer limit variation - Directlink - NSW Region -17/04/2021

There has been an unplanned outage of the No 2 Leg of Directlink

The following constraint set was invoked at 1000 hrs 17/04/2021.

N-MBTE_1

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

N-Q-MNSP1

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

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Tamworth -Liddell 84 330 kV Line - NSW region - 17/04/2021

A planned outage of Tamworth -Liddell 84 330 kV Line was scheduled from 0700 hrs 17/04/2021 to 1700 hrs 17/04/2021.

The outage has been completed and returned to service at 0900 hrs 17/04/2021

Constraint set revoked: N-LDTW_84

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

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

Refer to AEMO Electricity Market Notice 84306

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

Constraint set I-CTRL_ISSUE_ML invoked from 1835 hrs to 2035 hrs 14/04/2021.
Constraint set I-ML_ZERO invoked at 2035 hrs 14/04/2021.

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

V-S-MNSP1

Refer to the AEMO Network Outage Schedule for further information.

Manager NEM Real Time Operations