Market Notices

121900RECLASSIFY CONTINGENCY14/12/2024 03:18:05 PM

Reclassification of a Non-Credible Contingency Event: Collinsville - Stoney Creek 7306 132KV LINE line and Collinsville - Newlands 7121 132KV LINE line in QLD1 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: QLD1

Lines: Collinsville - Stoney Creek 7306 132KV LINE and Collinsville - Newlands 7121 132KV LINE

Duration: 14/12/2024 15:18 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
121897RECLASSIFY CONTINGENCY14/12/2024 02:24:21 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: 14/12/2024 14:24

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 121896

Auto-generated on behalf of Manager NEM Real Time Operations
     
121896RECLASSIFY CONTINGENCY14/12/2024 12:21:40 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: 14/12/2024 12:21 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
     
121895RECLASSIFY CONTINGENCY14/12/2024 12:19:48 PM

Reclassification of a Non-Credible Contingency Event: Collinsville North - Proserpine No.7125 132 kV line and Collinsville North - Proserpine No.7126 132 kV line in QLD1 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: QLD1

Lines: Collinsville North - Proserpine No.7125 132 kV and Collinsville North - Proserpine No.7126 132 kV

Duration: 14/12/2024 12:19 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
121894SETTLEMENTS RESIDUE14/12/2024 12:00:34 PM

[EventId:202412141200_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 14 December 2024 12:00

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1200 hrs on 14 December 2024

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 14 December 2024.

Refer to market notice: 121891

AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the NSW to VIC directional interconnector.

The negative residue constraint NRM_NSW1_VIC1 ceased operating at 1200 hrs on 14 December 2024.

This is an AEMO autogenerated Market Notice.
     
121893RESERVE NOTICE14/12/2024 11:32:43 AM

STPASA - Update of the Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 17/12/2024

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 121888 has been updated at 1120 hrs 14/12/2024 to the following:

From 1530 hrs 17/12/2024 to 2000 hrs 17/12/2024.
The forecast capacity reserve requirement is 894 MW.
The minimum capacity reserve available is 15 MW.

AEMO is seeking a market response.

AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.

AEMO Operations
     
121892RESERVE NOTICE14/12/2024 11:30:13 AM

STPASA - Update of the Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 16/12/2024

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 121889 has been updated at 1120 hrs 14/12/2024 to the following:

From 1630 hrs 16/12/2024 to 1830 hrs 16/12/2024.
The forecast capacity reserve requirement is 864 MW.
The minimum capacity reserve available is 710 MW.

AEMO is seeking a market response.

AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.

AEMO Operations
     
121891SETTLEMENTS RESIDUE14/12/2024 09:05:30 AM

[EventId:202412140905_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 14 December 2024 09:05

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 0905 hrs on 14 December 2024

ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 14 December 2024.

Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the NSW to VIC directional interconnector.

The negative residue constraint set NRM_NSW1_VIC1 commenced operating from 0905 hrs on 14 December 2024.

This constraint set contains an equation with the following interconnectors on the LHS:
VIC1-NSW1

The RHS of the constraint equation may be adjusted to manage residues.


This is an AEMO autogenerated Market Notice.
     
121889RESERVE NOTICE14/12/2024 05:20:56 AM

STPASA - Update of the Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 16/12/2024

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 121876 has been updated at 0510 hrs 14/12/2024 to the following:

From 1600 hrs to 2100 hrs 16/12/2024.
The forecast capacity reserve requirement is 1048 MW.
The minimum capacity reserve available is 517 MW.

AEMO is seeking a market response.

AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.

AEMO Operations
     
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