Market Notices

116793INTER-REGIONAL TRANSFER23/05/2024 11:42:37 PM

Inter-Regional Transfer limit variation - Directlink - NSW Region

AEMO ELECTRICITY MARKET NOTICE

Inter-Regional Transfer limit variation - Directlink - NSW Region

There has been an unplanned outage of the No 2 Leg of Directlink .

The following constraint set was invoked at 2340 hrs 23/05/2024

N-MBTE_1

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

N-Q-MNSP1

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

Manager NEM Real Time Operations
     
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
     
116739NON-CONFORMANCE21/05/2024 05:01:14 PM

NON-CONFORMANCE Region NSW1 Tuesday, 21 May 2024

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE NSW1 Region Tuesday, 21 May 2024

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:

Unit: BW04
Duration: 21/05/2024 16:30 to 21/05/2024 16:35
Amount: -19 MW
Constraint: NC-N_BW04

Auto-generated on behalf of Manager NEM Real Time Operations
     
116738NON-CONFORMANCE21/05/2024 05:00:17 PM

NON-CONFORMANCE Region NSW1 Tuesday, 21 May 2024

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE NSW1 Region Tuesday, 21 May 2024

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:

Unit: BW04
Duration: 21/05/2024 10:45 to 21/05/2024 10:50
Amount: -22 MW
Constraint: NC-N_BW04

Auto-generated on behalf of 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
     
116696NON-CONFORMANCE19/05/2024 07:40:16 AM

NON-CONFORMANCE Region QLD1 Sunday, 19 May 2024

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE QLD1 Region Sunday, 19 May 2024

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:

Unit: PUMP2
Duration: 19/05/2024 07:35 to 19/05/2024 07:40
Amount: 240 MW
Constraint: NC-Q_PUMP2

Auto-generated on behalf of 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
     
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