Market Notices

113473RECLASSIFY CONTINGENCY19/01/2024 01:21:51 PM

Reclassification 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

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: Ross - Chalumbin No.857 275 kV and Ross - Chalumbin No.858 275 kV

Duration: 19/01/2024 13:21 until further notice

Constraint set(s) invoked:
Q-RSCH_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
113472RECLASSIFY CONTINGENCY19/01/2024 01:21:50 PM

Reclassification of a Non-Credible Contingency Event: Chalumbin - Turkinje No.7165 132 kV line and Chalumbin - Turkinje No.7166 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: Chalumbin - Turkinje No.7165 132 kV and Chalumbin - Turkinje No.7166 132 kV

Duration: 19/01/2024 13:21 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
113468RESERVE NOTICE19/01/2024 10:53:52 AM

STPASA - Cancellation of the Forecast Lack Of Reserve Level 2 (LOR2) in the QLD Region on 22/01/2024

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR2 condition in the QLD region advised in AEMO Electricity Market Notice No. 113466 is cancelled at 1000 hrs 19/01/2024.

No LOR2 condition is currently forecast in the STPASA period.

AEMO Operations
113466RESERVE NOTICE19/01/2024 09:40:25 AM

STPASA - Update of the Forecast Lack Of Reserve Level 2 (LOR2) in the QLD Region on 22/01/2024

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR2 condition in the QLD region advised in AEMO Electricity Market Notice No. 113465 has been updated at 0900 hrs 19/01/2024 to the following:

From 1830 hrs to 1900 hrs 22/01/2024.
The forecast capacity reserve requirement is 714 MW.
The minimum capacity reserve available is 563 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
113465RESERVE NOTICE19/01/2024 08:16:01 AM

STPASA - Forecast Lack Of Reserve Level 2 (LOR2) in the QLD Region on 22/01/2024

AEMO ELECTRICITY MARKET NOTICE

AEMO declares a Forecast LOR2 condition under clause 4.8.4(b) of the National Electricity Rules for the QLD region for the following period:

From 1830 hrs to 1900 hrs 22/01/2024.
The forecast capacity reserve requirement is 720 MW.
The minimum capacity reserve available is 708 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
113463RECLASSIFY CONTINGENCY18/01/2024 10:13:35 PM

Cancellation of a Non-Credible Contingency Event: H14 Middle Ridge No. 2 and No. 3 275/110 kV transformers in Qld Region 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 elements is no longer reasonably possible. There is no longer any lightning activity in the vicinity of the following elements. Accordingly its classification has reverted to a non-credible contingency event.

Region: QLD

Elements: H14 Middle Ridge No. 2 and No. 3 275/110 kV transformers

Cancellation time : 2200 hrs 18/01/2024
Constraint set(s) revoked: Q-MR_TX2_3_N-2

Refer AEMO Electricity Market Notice 113418

Manager NEM Real Time Operations
113461RECLASSIFY CONTINGENCY18/01/2024 08:54:45 PM

Cancellation of a Non-Credible Contingency Event: Chalumbin - Turkinje No.7165 132 kV line and Chalumbin - Turkinje No.7166 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: Chalumbin - Turkinje No.7165 132 kV and Chalumbin - Turkinje No.7166 132 kV

Cancellation time: 18/01/2024 20:54

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 113427

Auto-generated on behalf of Manager NEM Real Time Operations
113458RECLASSIFY CONTINGENCY18/01/2024 08:24:45 PM

Cancellation of a Non-Credible Contingency Event: Tumoulin - Woree No.877 275 kV line and Chalumbin - Turkinje No.7166 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: Tumoulin - Woree No.877 275 kV and Chalumbin - Turkinje No.7166 132 kV

Cancellation time: 18/01/2024 20:24

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 113436

Auto-generated on behalf of Manager NEM Real Time Operations
113440RECLASSIFY CONTINGENCY18/01/2024 06:39:46 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: 18/01/2024 18:39

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 113405

Auto-generated on behalf of Manager NEM Real Time Operations
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