Market Notices

120144RECLASSIFY CONTINGENCY08/11/2024 01:07:55 PM

Reclassification of a Non-Credible Contingency Event: Gordon - Chapel St No 1 220kV line and Gordon - Chapel St No 2 220kV line in TAS1 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: TAS1

Lines: Gordon - Chapel St No 1 220kV and Gordon - Chapel St No 2 220kV

Duration: 08/11/2024 13:07 until further notice

Constraint set(s) invoked:
F-T-CSGO Constraint set contains the following interconnector(s) on the left hand side:
T-V-MNSP1
T-CSGO_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE


Auto-generated on behalf of Manager NEM Real Time Operations
     
120143SETTLEMENTS RESIDUE08/11/2024 01:00:34 PM

[EventId:202411081300_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 08 November 2024 13:00

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1300 hrs on 8 November 2024

ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 8 November 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 1300 hrs on 8 November 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.
     
120141RECLASSIFY CONTINGENCY08/11/2024 12:29:27 PM

Cancellation of a Non-Credible Contingency Event: Gordon - Chapel St No 1 220kV line and Gordon - Chapel St No 2 220kV line in TAS1 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: TAS1

Lines: Gordon - Chapel St No 1 220kV and Gordon - Chapel St No 2 220kV

Cancellation time: 08/11/2024 12:29

Constraint set(s) revoked:
F-T-CSGO Constraint set contains the following interconnector(s) on the left hand side:
T-V-MNSP1
T-CSGO_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE


Refer AEMO Electricity Market Notice 120140

Auto-generated on behalf of Manager NEM Real Time Operations
     
120140RECLASSIFY CONTINGENCY08/11/2024 11:27:24 AM

Reclassification of a Non-Credible Contingency Event: Gordon - Chapel St No 1 220kV line and Gordon - Chapel St No 2 220kV line in TAS1 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: TAS1

Lines: Gordon - Chapel St No 1 220kV and Gordon - Chapel St No 2 220kV

Duration: 08/11/2024 11:27 until further notice

Constraint set(s) invoked:
F-T-CSGO Constraint set contains the following interconnector(s) on the left hand side:
T-V-MNSP1
T-CSGO_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE


Auto-generated on behalf of Manager NEM Real Time Operations
     
120139RESERVE NOTICE08/11/2024 10:45:34 AM

PDPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 08/11/2024

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR1 condition in the QLD region advised in AEMO Electricity Market Notice No. 120135 has been updated at 1040 hrs to the following:

[1.] From 1800 hrs 08/11/2024 to 1930 hrs 08/11/2024.
The forecast capacity reserve requirement is 1124 MW.
The minimum capacity reserve available is 951 MW.

Manager NEM Real Time Operations
     
120138RESERVE NOTICE08/11/2024 10:44:14 AM

PDPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 08/11/2024

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 120134 has been updated at 1040 hrs to the following:

[1.] From 1800 hrs 08/11/2024 to 1900 hrs 08/11/2024.
The forecast capacity reserve requirement is 1430 MW.
The minimum capacity reserve available is 1281 MW.


Manager NEM Real Time Operations
     
120136SETTLEMENTS RESIDUE08/11/2024 10:05:30 AM

[EventId:202411081005_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 08 November 2024 10:05

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1005 hrs on 8 November 2024

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 8 November 2024.

Refer to market notice: 120132

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 1005 hrs on 8 November 2024.

This is an AEMO autogenerated Market Notice.
     
120135RESERVE NOTICE08/11/2024 09:44:49 AM

PDPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 08/11/2024

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR1 condition in the QLD region advised in AEMO Electricity Market Notice No. 120133 has been updated at 0940 hrs to the following:

[1.] From 1730 hrs 08/11/2024 to 1930 hrs 08/11/2024.
The forecast capacity reserve requirement is 1124 MW.
The minimum capacity reserve available is 753 MW.

Manager NEM Real Time Operations
     
120134RESERVE NOTICE08/11/2024 09:17:27 AM

PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 08/11/2024

AEMO ELECTRICITY MARKET NOTICE

AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following Period:

[1.] From 1800 hrs 08/11/2024 to 1930 hrs 08/11/2024.
The forecast capacity reserve requirement is 1430 MW.
The minimum capacity reserve available is 1000 MW.

Manager NEM Real Time Operations
     
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