Market Notices

116741INTER-REGIONAL TRANSFER22/05/2024 12:42:59 PM

Inter-regional transfer limit variation - Para 275kV 1 and 2 275kV SVCs - SA region - 22/05/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Para 275kV 1 and 2 275kV SVCs - SA region - 22/05/2024

At 1300 hrs 22/05/2024 there was a short notice outage of Para 275kV 1 and 2 275kV SVCs.

The following constraint set(s) invoked at 1300 hrs 22/05/2024
S-X_PA_VC_2

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
     
116735INTER-REGIONAL TRANSFER21/05/2024 08:20:42 AM

Update Inter-Regional Transfer limit variation - Basslink 21/05/2024

AEMO ELECTRICITY MARKET NOTICE

Update Inter-Regional Transfer limit variation - Basslink

Refer AEMO Electricity Market Notice 116734

There was an unplanned outage of the Basslink interconnector at 0235 hrs. The Basslink interconnector has been returned to service.

The following constraint set was revoked at 0810 hrs 21/05/2024

I-BL_ZERO

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

T-V-MNSP1

Manager NEM Real Time Operations
     
116734INTER-REGIONAL TRANSFER21/05/2024 02:51:33 AM

Inter-Regional Transfer limit variation - Basslink 21/05/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-Regional Transfer limit variation - Basslink

There has been an unplanned outage of the Basslink interconnector at 0235 hrs

The following constraint set was invoked at 0240 hrs 21/05/2024

I-BL_ZERO

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

T-V-MNSP1

Manager NEM Real Time Operations
     
116733RESERVE NOTICE20/05/2024 07:13:45 PM

Cancellation of Actual (LOR1) condition in the NSW region - 20/05/2024

AEMO ELECTRICITY MARKET NOTICE

Cancellation of Actual (LOR1) condition in the NSW region - 20/05/2024

The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.116730 is cancelled at 1910 hrs 20/05/2024.

Manager NEM Real Time Operations
     
116730RESERVE NOTICE20/05/2024 05:17:20 PM

Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 20/05/2024

AEMO ELECTRICITY MARKET NOTICE

Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 20/05/2024

An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1700 hrs.
The Actual LOR1 condition is forecast to exist until 1930 hrs

The capacity reserve requirement is 1630 MW
The minimum capacity reserve available is 1028 MW

Manager NEM Real Time Operations
     
116691RECLASSIFY CONTINGENCY18/05/2024 08:09:51 PM

Cancellation of a Non-Credible Contingency Event: Bannaby - Mt Piper 5A6 500kV line and Bannaby - Mt Piper 5A7 500kV line in NSW1 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: NSW1

Lines: Bannaby - Mt Piper 5A6 500kV and Bannaby - Mt Piper 5A7 500kV

Cancellation time: 18/05/2024 20:09

Constraint set(s) revoked:
N-5A6+5A7_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
VIC1-NSW1


Refer AEMO Electricity Market Notice 116690

Auto-generated on behalf of Manager NEM Real Time Operations
     
116690RECLASSIFY CONTINGENCY18/05/2024 07:05:40 PM

Reclassification of a Non-Credible Contingency Event: Bannaby - Mt Piper 5A6 500kV line and Bannaby - Mt Piper 5A7 500kV line in NSW1 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: NSW1

Lines: Bannaby - Mt Piper 5A6 500kV and Bannaby - Mt Piper 5A7 500kV

Duration: 18/05/2024 19:05 until further notice

Constraint set(s) invoked:
N-5A6+5A7_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
VIC1-NSW1


Auto-generated on behalf of Manager NEM Real Time Operations
     
116689RESERVE NOTICE18/05/2024 06:42:10 PM

Cancellation of Actual (LOR1) condition in the NSW region - 18/05/2024

AEMO ELECTRICITY MARKET NOTICE

Cancellation of Actual (LOR1) condition in the NSW region - 18/05/2024

The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No. 116688 is cancelled at 1840 hrs 18/05/2024.

Manager NEM Real Time Operations
     
116688RESERVE NOTICE18/05/2024 05:58:11 PM

Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 18/05/2024

AEMO ELECTRICITY MARKET NOTICE

Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 18/05/2024

An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1730 hrs.
The Actual LOR1 condition is forecast to exist until 1830 hrs

The capacity reserve requirement is 1430 MW
The minimum capacity reserve available is 1314 MW

Manager NEM Real Time Operations
     
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