Market Notices

121629RECLASSIFY CONTINGENCY08/12/2024 05:19:21 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: 08/12/2024 17:19

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 121628

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121628RECLASSIFY CONTINGENCY08/12/2024 04:18:22 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: 08/12/2024 16:18 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
     
121624MARKET INTERVENTION08/12/2024 04:46:32 PM

Cancellation - AEMO Intervention Event - SA region 06/12/2024

AEMO ELECTRICITY MARKET NOTICE

Cancellation - AEMO Intervention Event - SA region 06/12/2024

Refer to Market Notice 121524

The AEMO Intervention Event and all associated directions are cancelled from 1630 hrs on 08/12/2024.


Manager NEM Real Time Operations
     
121623MARKET INTERVENTION08/12/2024 04:45:20 PM

Cancellation: Direction issued to: AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN

AEMO ELECTRICITY MARKET NOTICE

Cancellation: Direction issued to: AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN

Refer to Market Notice 121593

Direction is cancelled from: 1630 hrs 08/12/2024

Manager NEM Real Time Operations
     
121622RECLASSIFY CONTINGENCY08/12/2024 01:44:21 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: 08/12/2024 13:44

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 121619

Auto-generated on behalf of Manager NEM Real Time Operations
     
121619RECLASSIFY CONTINGENCY08/12/2024 11:41:04 AM

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: 08/12/2024 11:40 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
     
121618MINIMUM SYSTEM LOAD08/12/2024 12:40:09 PM

Cancellation - Forecast Minimum System Load 1 (MSL1) condition in the VIC Region on 08/12/2024

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Forecast MSL1 - VIC Region at 1230 hrs 08/12/2024.

Refer to Market Notice 121617 for Forecast MSL1.

Manager NEM Real Time Operations
     
121617MINIMUM SYSTEM LOAD08/12/2024 09:57:19 AM

Forecast Minimum System Load MSL1 condition in the VIC Region on 08/12/2024

AEMO ELECTRICITY MARKET NOTICE
Forecast Minimum System Load MSL1 condition in the VIC Region on 08/12/2024

Update to Market Notice 121508 - AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the VIC on 08/12/2024.

Minimum regional demand is forecast to be 1299 MW at 1300 hrs, and the advisory threshold is:
o MSL1 - 1560 MW
o MSL2 - 1060 MW
o MSL3 - 560 MW

The regional demand is forecast to be below the MSL1 threshold for the following period[s]:
From 1130 hrs 08/12/2024 to 1400 hrs 08/12/2024.

Manager NEM Real Time Operations
     
121616RECLASSIFY CONTINGENCY08/12/2024 06:29:20 AM

Cancellation of a Non-Credible Contingency Event: Ross - Tully South - Woree No.8905 275 kV line line and Cardwell - Tully No.7389 132kV line 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: Ross - Tully South - Woree No.8905 275 kV line and Cardwell - Tully No.7389 132kV line

Cancellation time: 08/12/2024 06:29

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 121615

Auto-generated on behalf of Manager NEM Real Time Operations
     
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