Market Notices

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
115624POWER SYSTEM EVENTS14/03/2024 11:47:59 PM

Non-credible contingency event - SA region - 14/03/2024

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - SA region - 14/03/2024

At 2307 hrs the Tungkillo - Robertstown No. 1 275 kV Line and the Tungkillo East 275 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
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
115595POWER SYSTEM EVENTS12/03/2024 03:29:42 AM

Non-credible contingency event - QLD region - 12/03/2024

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - QLD region - 12/03/2024

At 0249 hrs the Strathmore - Clare South No 7208 132KV Line opened at Strathmore end only.

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
115547INTER-REGIONAL TRANSFER08/03/2024 04:16:46 PM

Inter-regional transfer limit variation - South Pine SVC - QLD region - 08/03/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - South Pine SVC - QLD region - 08/03/2024

At 1605 hrs 08/03/2024 there was an unplanned outage of South Pine SVC.

The following constraint set(s) invoked at 1610 hrs 08/03/2024
Q-SP_VC

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

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
115511INTER-REGIONAL TRANSFER06/03/2024 12:23:08 PM

Inter-regional transfer limit variation - Moorabool Sydenham No2 500 kV line - Vic region - 06/03/2024

AEMO ELECTRICITY MARKET NOTICE

At 1210 hrs 06/03/2024 in the Victoria region, the Moorabool Sydenham No2 500 kV line returned to service on temporary towers.

Constraint set changes.

Revoked:
V-MLSY_NOEMTT_R

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

Refer Market Notices 114577, 114768, 114686, 114770 and 115120.

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
115424INTER-REGIONAL TRANSFER01/03/2024 05:37:17 PM

Cancellation - Inter-regional transfer limit variation - constraint automation to manage Power System Security in NSW region - 29/12/2023

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Inter-regional transfer limit variation - constraint automation to manage Power System Security in NSW region - 29/12/2023

Refer AEMO Electricity Market Notice 115398.

Constraint set CA_BRIS_54F2D1C0 revoked 1710 hrs.

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

VIC1-NSW1


Manager NEM Real Time Operations
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