Market Notices

80022INTER-REGIONAL TRANSFER16/11/2020 01:39:08 PM

Inter-regional transfer limit variation - Upper Tumut - Stockdill 1 330 kV Line - NSW region - 16/11/2020

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Upper Tumut - Stockdill 1 330 kV Line - NSW region - 16/11/2020

An un-planned outage of Upper Tumut - Stockdill 1 330 kV Line in the NSW region occurred 1252 hrs 16/11/2020


Constraint sets invoked: N-SDUT_1 and N-CNSD_3C

This constraint sets contains equations with the following interconnectors on the LHS.

V-S-MNSP1
VIC1- NSW1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
79980INTER-REGIONAL TRANSFER16/11/2020 04:56:01 AM

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

AEMO ELECTRICITY MARKET NOTICE

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

Refer AEMO Electricity Market Notice 79899

The Hazelwood - South Morang No. 1 500 kV Line has been returned to service.

The following constraint set was revoked at 0455 hrs 16/11/2020.

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
79899INTER-REGIONAL TRANSFER14/11/2020 01:58:48 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 0155 hrs 14/11/2020

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
79821INTER-REGIONAL TRANSFER11/11/2020 12:29:09 PM

Cancellation - Inter-Regional Transfer limit variation - Unplanned Heywood CB 213 outage - Vic region - 11/11/2020

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Inter-Regional Transfer limit variation - Unplanned Heywood CB 213 outage - Vic region - 11/11/2020

Refer AEMO Electricity Market Notice 79795

The outage of the Heywood No. 2 bus MOPS 213 500 kV circuit breaker in the Victoria region has been returned to service.

The following constraint sets have been revoked at 1155 hrs

F-I-HYSE
S-X_BC_CP
V-HYCB_210_213

These constraint sets contain equations with the following interconnectors on the LHS.

V-SA
V-S-MNSP1
T-V-MNSP1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations

79795INTER-REGIONAL TRANSFER11/11/2020 03:55:56 AM

Inter-Regional Transfer limit variation - Unplanned Heywood CB 213 outage - Vic region - 11/11/2020

AEMO ELECTRICITY MARKET NOTICE

An unplanned outage of the Heywood No. 2 bus MOPS 213 500 kV circuit breaker in the Victoria region occurred at 0333 hrs.

The following constraint sets have been invoked at 0350 hrs
F-I-HYSE
S-X_BC_CP
V-HYCB_210_213

These constraint sets contain equations with the following interconnectors on the LHS.

V-SA
V-S-MNSP1
T-V-MNSP1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
79792INTER-REGIONAL TRANSFER11/11/2020 01:06:08 AM

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

AEMO ELECTRICITY MARKET NOTICE

Refer Market Notice 79777

In order to maintain the power system in a secure operating state in the SA region, AEMO has invoked the following constraint sets

CA_SYDS_4EBD234F from 0035 hrs 11/11/20 until further notice.
I-SVML_120 from 1700 hrs 10/11/20 until 0055 hrs 11/11/20

These constraint sets contain equations with the following interconnector on the LHS;

V-S-MNSP1

Manager NEM Real Time Operations
79777INTER-REGIONAL TRANSFER10/11/2020 05:34:59 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 1700 hrs until further notice.

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

V-S-MNSP1

Manager NEM Real Time Operations
79776INTER-REGIONAL TRANSFER10/11/2020 05:33:33 PM

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

AEMO ELECTRICITY MARKET NOTICE

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

Refer to MN 79773

AEMO has been notified that the controls to vary Murraylink output are now available.

Constraint set I-CTRL_ISSUE_ML invoked from 1650 hrs. to 1730 hrs

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

V-S-MNSP1


Manager NEM Real Time Operations
79774INTER-REGIONAL TRANSFER10/11/2020 04:52:26 PM

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

In order to maintain the power system in a secure operating state in the SA region, AEMO invoked constraint set I-SVML_120 from 1605 hrs until 1655 hrs.

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

V-S-MNSP1

Manager NEM Real Time Operations
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