Market Notices

116903RECLASSIFY CONTINGENCY06/06/2024 01:34:54 PM

Cancellation of a Non-Credible Contingency Event: Armidale - Dumaresq 8C 330kV line and Armidale - Sapphire WF 8E 330kV 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: Armidale - Dumaresq 8C 330kV and Armidale - Sapphire WF 8E 330kV

Cancellation time: 06/06/2024 13:34

Constraint set(s) revoked:
N-ARDM_ARSR_1PH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1


Refer AEMO Electricity Market Notice 116902

Auto-generated on behalf of Manager NEM Real Time Operations
116902RECLASSIFY CONTINGENCY06/06/2024 12:31:05 PM

Reclassification of a Non-Credible Contingency Event: Armidale - Dumaresq 8C 330kV line and Armidale - Sapphire WF 8E 330kV 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: Armidale - Dumaresq 8C 330kV and Armidale - Sapphire WF 8E 330kV

Duration: 06/06/2024 12:30 until further notice

Constraint set(s) invoked:
N-ARDM_ARSR_1PH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1


Auto-generated on behalf of Manager NEM Real Time Operations
116901INTER-REGIONAL TRANSFER06/06/2024 11:22:44 AM

Inter-regional transfer limit variation - Tarrone K1 500/132 kV Transformer - VIC region - 06/06/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Tarrone K1 500/132 kV Transformer - VIC region - 06/06/2024

At 1058 hrs 06/06/2024 there was an unplanned outage of Tarrone K1 500/132 kV Transformer.

The following constraint set(s) invoked at 1115 hrs 06/06/2024
V-TRTS_BUS_CB_500

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

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
116900INTER-REGIONAL TRANSFER06/06/2024 08:05:12 AM

Inter-Regional Transfer limit variation - Directlink control unavailable (NSW Region)

AEMO ELECTRICITY MARKET NOTICE

Inter-Regional Transfer limit variation - Directlink control unavailable (NSW Region)

AEMO has been notified that the controls to vary Directlink output are unavailable until further notice.

Constraint set I-CTRL_ISSUE_TE invoked from 0805 hrs.

The constraint set contains equations with the following interconnector on the LHS:

N-Q-MNSP1

Refer AEMO Network Outage Scheduler (NOS) for further details


Manager NEM Real Time Operations
116898INTER-REGIONAL TRANSFER04/06/2024 09:36:26 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 1 Leg of Directlink .

The following constraint set was invoked at 2135 hrs 04/06/2024

N-MBTE_2

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
116897INTER-REGIONAL TRANSFER04/06/2024 07:45:46 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 1 Leg of Directlink .

The following constraint set was invoked at 1945 hrs 04/06/2024

N-MBTE_2

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
116883NON-CONFORMANCE04/06/2024 06:00:20 AM

NON-CONFORMANCE Region VIC1 Tuesday, 4 June 2024

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE VIC1 Region Tuesday, 4 June 2024

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

Unit: MACARTH1
Duration: 04/06/2024 05:55 to 04/06/2024 06:00
Amount: 34 MW
Constraint: NC-V_MACARTH1

Auto-generated on behalf of Manager NEM Real Time Operations
116878RECLASSIFY CONTINGENCY02/06/2024 04:54:31 PM

Cancellation of a Non-Credible Contingency Event: Armidale - Dumaresq 8C 330kV line and Armidale - Sapphire WF 8E 330kV 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: Armidale - Dumaresq 8C 330kV and Armidale - Sapphire WF 8E 330kV

Cancellation time: 02/06/2024 16:54

Constraint set(s) revoked:
N-ARDM_ARSR_1PH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1


Refer AEMO Electricity Market Notice 116876

Auto-generated on behalf of Manager NEM Real Time Operations
116877NON-CONFORMANCE02/06/2024 04:10:19 PM

NON-CONFORMANCE Region NSW1 Sunday, 2 June 2024

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE NSW1 Region Sunday, 2 June 2024

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

Unit: BW02
Duration: 02/06/2024 16:00 to 02/06/2024 16:10
Amount: -83 MW
Constraint: NC-N_BW02

Auto-generated on behalf of Manager NEM Real Time Operations
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