Market Notices

115663INTER-REGIONAL TRANSFER16/03/2024 05:12:33 PM

Inter-regional transfer limit variation - Red Cliffs - Buronga 0X1 220 kV Line - Vic region - 16/03/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Red Cliffs - Buronga 0X1 220 kV Line - Vic region - 16/03/2024

A planned outage of Red Cliffs - Buronga 0X1 220 kV Line in the Vic region was scheduled from 0500 hrs 16/03/2024 to 1900 hrs 16/03/2024.

The outage has been completed and returned to service at 1655 hrs 16/03/2024.

Constraint set(s) revoked:
I-BURC

This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1
NSW1-QLD1
V-S-MNSP1
V-SA
VIC1-NSW1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
115652INTER-REGIONAL TRANSFER15/03/2024 02:52:51 PM

Inter-Regional Transfer limit variation - Murraylink

AEMO ELECTRICITY MARKET NOTICE

Inter-Regional Transfer limit variation - Murraylink

There has been an unplanned outage of the Murraylink interconnector.

The following constraint set was invoked at 1445 hrs 15/03/2024

I-ML_ZERO

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

V-S-MNSP1

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

Manager NEM Real Time Operations
115627INTER-REGIONAL TRANSFER15/03/2024 06:31:39 AM

Inter-regional transfer limit variation - constraint automation to manage Power System Security in SA region - 15/03/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - constraint automation to manage Power System Security in SA region - 15/03/2024

At 0600 hrs 15/03/2024 there was a short notice outage of Robertstown - Tungkillo No. 2 275 kV Line.
At 0615 hrs 15/03/2024 there was a short notice outage of Tungkillo - Para No. 1 275 kV Line.

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

CA_SYDS_5505DC4C from 06:00 hrs until further notice

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

V-S-MNSP1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
115626INTER-REGIONAL TRANSFER15/03/2024 05:10:47 AM

Inter-regional transfer limit variation - constraint automation to manage Power System Security in SA region - 15/03/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - constraint automation to manage Power System Security in SA region - 15/03/2024

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

CA_SYDS_5505D0BC from 04:40 hrs to 05:10 hrs
CA_SYDS_5505D516 from 04:55 hrs to 05:10 hrs

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

V-S-MNSP1,V-SA

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
115625INTER-REGIONAL TRANSFER14/03/2024 11:49:03 PM

Inter-regional transfer limit variation - Robertstown - Tungkillo No. 1 275 kV Line - SA region - 14/03/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Robertstown - Tungkillo No. 1 275 kV Line - SA region - 14/03/2024

At 2307 hrs 14/03/2024 there was an unplanned outage of Robertstown - Tungkillo No. 1 275 kV Line.


The following constraint set(s) invoked at 2315 hrs 14/03/2024
S-RBTU

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

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
115618INTER-REGIONAL TRANSFER14/03/2024 07:32:14 AM

Inter-regional transfer limit variation - Lismore 132kV SVC - NSW region - 14/03/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Lismore 132kV SVC - NSW region - 14/03/2024

At 0800 hrs 14/03/2024 there was a short notice outage of Lismore 132kV SVC.

The following constraint set(s) invoked at 0800 hrs 14/03/2024
N-LS_VC1

This constraint set(s) 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
115611GENERAL NOTICE13/03/2024 11:54:44 AM

Fast Frequency Response Market - Increase in R1 FCAS dispatch cap from 18 March 2024.

AEMO ELECTRICITY MARKET NOTICE

Following review of the operation of the Very Fast FCAS market, from 1300 hrs AEST on Monday 18 March AEMO will:

Increase the cap on dispatch of Very Fast Raise (R1) Contingency FCAS from 225 MW to 250 MW

Retain the existing cap on dispatch of Very Fast Lower (L1) Contingency FCAS at 125 MW

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
115609RECLASSIFY CONTINGENCY12/03/2024 08:49:50 PM

Cancellation of a Non-Credible Contingency Event: Strathmore - Clare South No.7208 132 kV line and Strathmore - Clare South tee King Creek No.7128 132 kV line in QLD1 due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.

Region: QLD1

Lines: Strathmore - Clare South No.7208 132 kV and Strathmore - Clare South tee King Creek No.7128 132 kV

Cancellation time: 12/03/2024 20:49

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 115608

Auto-generated on behalf of Manager NEM Real Time Operations
115608RECLASSIFY CONTINGENCY12/03/2024 07:46:55 PM

Reclassification of a Non-Credible Contingency Event: Strathmore - Clare South No.7208 132 kV line and Strathmore - Clare South tee King Creek No.7128 132 kV line in QLD1 due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.

Region: QLD1

Lines: Strathmore - Clare South No.7208 132 kV and Strathmore - Clare South tee King Creek No.7128 132 kV

Duration: 12/03/2024 19:46 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
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