Market Notices

112043RECLASSIFY CONTINGENCY07/12/2023 04:08:51 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: 07/12/2023 16:08 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
112042RESERVE NOTICE07/12/2023 02:52:07 PM

STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region beginning on 14/12/2023

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 periods:

From 1530 hrs to 1900 hrs 14/12/2023.
The forecast capacity reserve requirement is 1400 MW.
The minimum capacity reserve available is 1051 MW.

AEMO Operations
112028RESERVE NOTICE06/12/2023 02:48:12 PM

STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 09/12/2023

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 1600 hrs to 1900 hrs 09/12/2023.
The forecast capacity reserve requirement is 1370 MW.
The minimum capacity reserve available is 904 MW.

AEMO Operations
112018RECLASSIFY CONTINGENCY05/12/2023 06:58:55 PM

Cancellation of a Non-Credible Contingency Event: Eildon PS - Mt Beauty No.1 220 kV line and Eildon PS - Mt Beauty No.2 220 kV line in VIC1 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: VIC1

Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV

Cancellation time: 05/12/2023 18:58

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 112015

Auto-generated on behalf of Manager NEM Real Time Operations
112015RECLASSIFY CONTINGENCY05/12/2023 05:56:21 PM

Reclassification of a Non-Credible Contingency Event: Eildon PS - Mt Beauty No.1 220 kV line and Eildon PS - Mt Beauty No.2 220 kV line in VIC1 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: VIC1

Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV

Duration: 05/12/2023 17:56 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
112012RESERVE NOTICE05/12/2023 03:46:03 PM

STPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 08/12/2023

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 111964 is cancelled at 1400 hrs 05/12/2023.

No LOR condition is currently forecast in NSW in the STPASA period.

AEMO Operations
112006RECLASSIFY CONTINGENCY04/12/2023 05:28:57 PM

Cancellation of a Non-Credible Contingency Event: Ross - Chalumbin No.857 275 kV line and Ross - Chalumbin No.858 275 kV 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 - Chalumbin No.857 275 kV and Ross - Chalumbin No.858 275 kV

Cancellation time: 04/12/2023 17:28

Constraint set(s) revoked:
Q-RSCH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE


Refer AEMO Electricity Market Notice 111990

Auto-generated on behalf of Manager NEM Real Time Operations
112005RECLASSIFY CONTINGENCY04/12/2023 05:23:55 PM

Cancellation 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

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

Cancellation time: 04/12/2023 17:23

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 111995

Auto-generated on behalf of Manager NEM Real Time Operations
112004SETTLEMENTS RESIDUE04/12/2023 05:00:19 PM

[EventId:202312041700_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 04 December 2023 17:00

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1700 hrs on 4 December 2023

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 4 December 2023.

Refer to market notice: 112001

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 1700 hrs on 4 December 2023.

This is an AEMO autogenerated Market Notice.
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