Market Notices

118269INTER-REGIONAL TRANSFER13/09/2024 03:57:07 PM

Inter-regional transfer limit variation - Armidale - Sapphire 8E 330 KV Line - NSW region - 13/09/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Armidale - Sapphire 8E 330 KV Line - NSW region - 13/09/2024

A planned outage of Armidale - Sapphire 8E 330 KV Line in the NSW region was scheduled from 1630 hrs 11/09/2024 to 1330 hrs 14/09/2024.

The outage has been completed and Armidale - Sapphire 8E 330 KV Line returned to service at 1600 hrs 13/09/2024

Constraint set(s) revoked: N-ARSR_8E, N-TW_SVC

Manager NEM Real Time Operations
118261INTER-REGIONAL TRANSFER13/09/2024 11:39:13 AM

Inter-regional transfer limit variation - Armidale - Sapphire 8E 330 KV Line - NSW region - 13/09/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Armidale - Sapphire 8E 330 KV Line - NSW region - 13/09/2024


A planned outage of Armidale - Sapphire 8E 330 KV Line in the NSW region was scheduled from 1630 hrs 11/09/2024 to 1330 hrs 13/09/2024.

The outage has been rescheduled for 1630 hrs 11/09/2024 to 1330 hrs 14/09/2024.


Constraint sets invoked: N-ARSR_8E, N-TW_SVC, N-DM_SVC


This constraint set(s) contains equations with the following interconnectors on the LHS.
NSW1-QLD1,T-V-MNSP1,N-Q-MNSP1,V-S-MNSP1,V-SA

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
118252INTER-REGIONAL TRANSFER12/09/2024 12:40:03 PM

Inter-regional transfer limit variation - Murraylink - SA region - 12/09/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Murraylink - SA region - 12/09/2024

A planned outage of Murraylink in the SA region was scheduled from 1030 hrs 12/09/2024 to 1630 hrs 12/09/2024.

The outage has been completed and Murraylink returned to service at 1235 hrs 12/09/2024

Constraint set(s) revoked: I-MURRAYLINK

Manager NEM Real Time Operations
118251INTER-REGIONAL TRANSFER12/09/2024 12:33:53 PM

Inter-regional transfer limit variation - Armidale - Sapphire 8E 330 KV Line - NSW region - 12/09/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Armidale - Sapphire 8E 330 KV Line - NSW region - 12/09/2024


A planned outage of Armidale - Sapphire 8E 330 KV Line in the NSW region was scheduled from 1630 hrs 11/09/2024 to 0900 hrs 16/09/2024.

The outage has been rescheduled for 1630 hrs 11/09/2024 to 1330 hrs 13/09/2024.


Constraint sets invoked: N-ARSR_8E, N-TW_SVC, N-DM_SVC


This constraint set(s) contains equations with the following interconnectors on the LHS.
NSW1-QLD1,T-V-MNSP1,N-Q-MNSP1,V-S-MNSP1,V-SA

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
118242INTER-REGIONAL TRANSFER11/09/2024 04:15:47 PM

Inter-regional transfer limit variation - Armidale- Sapphire 8E 330kV line - NSW region - 11/09/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Armidale- Sapphire 8E 330kV line - NSW region - 11/09/2024

At 1610 hrs 11/09/2024 there was a short notice outage of Armidale- Sapphire 8E 330kV line.

The following constraint set(s) invoked at 1610 hrs 11/09/2024
N-ARSR_8E

This constraint set(s) contains equations with the following interconnectors on the LHS.
NSW1-QLD1,T-V-MNSP1,N-Q-MNSP1,V-S-MNSP1,V-SA

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
118226GENERAL NOTICE10/09/2024 05:55:51 PM

Network Augmentation Commissioned - NSW Region - 10/09/2024

AEMO ELECTRICITY MARKET NOTICE

Network Augmentation Commissioned - NSW Region - 10/09/2024

At 1750 hrs, the following equipment at Buronga 330 kV substation has been commissioned:

1) Buronga 330 kV A bus.
2) Buronga 330 kV B bus.
3) Buronga No 1 330 kV capacitor.
4) Buronga No 2 330 kV capacitor.
5) Buronga No 7 330/220 kV transformer.

Manager NEM Real Time Operations
118171POWER SYSTEM EVENTS06/09/2024 08:18:58 PM

Update - Non-credible contingency event - VIC region - 06/09/2024

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - VIC region - 06/09/2024

Refer AEMO Electricity Market Notice 118166

At 2005 hrs the Loy Yang PS No. 4 500 kV bus was returned to service.

The cause of this non-credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.

AEMO will not reclassify this event as a credible contingency event.

Manager NEM Real Time Operations
118166POWER SYSTEM EVENTS06/09/2024 12:38:00 PM

Non-credible contingency event - VIC region - 06/09/2024

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - VIC region - 06/09/2024

At 1222 hrs the Loy Yang PS No. 4 500 kV bus tripped.

AEMO did not instruct load shedding.

AEMO has not been advised of any disconnection of bulk electrical load.

The cause of this non credible contingency event is not known at this stage.


Manager NEM Real Time Operations
118145GENERAL NOTICE05/09/2024 10:06:25 AM

Fast Frequency Response Market - Removal of L1 FCAS dispatch cap from 9th September 2024

AEMO ELECTRICITY MARKET NOTICE

Following review of the operation of the Very Fast FCAS market, from 1300 hrs AEST on Monday 9th September AEMO will remove the 225 MW cap on dispatch of Very Fast Lower (L1) Contingency FCAS.

The 225 MW cap on dispatch of L1 FCAS sits well above typical disaptch volumes, and no immediate impact is expected from this change.

No other changes to the dispatch of Very Fast FCAS or FCAS constraint equation changes will be made on this date.

For information on the Fast Frequency Response (FFR) initiative please visit the website at: https://www.aemo.com.au/initiatives/major-programs/fast-frequency-response

Andrew Groom
AEMO Operations
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