Market Notices

111979RECLASSIFY CONTINGENCY03/12/2023 07:26:30 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: 03/12/2023 19:26 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
111978RECLASSIFY CONTINGENCY03/12/2023 07:00:15 PM

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

Cancellation time: 03/12/2023 19:00

Constraint set(s) revoked: NONE

Refer AEMO Electricity Market Notice 111960

Manager NEM Real Time Operations
111977RECLASSIFY CONTINGENCY03/12/2023 06:48:55 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: 03/12/2023 18:48

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 111975

Auto-generated on behalf of Manager NEM Real Time Operations
111976RESERVE NOTICE03/12/2023 06:25:15 PM

PDPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 03/12/2023

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR1 condition in the QLD region advised in AEMO Electricity Market Notice No. 111973 is cancelled at 1820 hrs 03/12/2023.

Manager NEM Real Time Operations
111975RECLASSIFY CONTINGENCY03/12/2023 05:47:10 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: 03/12/2023 17:47 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
111974RECLASSIFY CONTINGENCY03/12/2023 05:30:10 PM

Reclassification of a Non-Credible Contingency Event: Bannaby - Mt Piper 5A6 500kV line and Bannaby - Mt Piper 5A7 500kV 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: Bannaby - Mt Piper 5A6 500kV and Bannaby - Mt Piper 5A7 500kV

Duration: 03/12/2023 17:30 until further notice

Constraint set(s) invoked:
N-5A6+5A7_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
VIC1-NSW1


Auto-generated on behalf of Manager NEM Real Time Operations
111973RESERVE NOTICE03/12/2023 05:17:45 PM

PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 03/12/2023

AEMO ELECTRICITY MARKET NOTICE

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

[1.] From 1800 hrs 03/12/2023 to 1930 hrs 03/12/2023.
The forecast capacity reserve requirement is 1293 MW.
The minimum capacity reserve available is 1168 MW.

[2.] From 2130 hrs 03/12/2023 to 2200 hrs 03/12/2023.
The forecast capacity reserve requirement is 1308 MW.
The minimum capacity reserve available is 1298 MW.


Manager NEM Real Time Operations
111972RECLASSIFY CONTINGENCY03/12/2023 05:08:55 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: 03/12/2023 17:08

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 111958

Auto-generated on behalf of Manager NEM Real Time Operations
111970RESERVE NOTICE03/12/2023 03:50:47 PM

PDPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region [beginning] on 03/12/2023

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR1 condition in the QLD region advised in AEMO Electricity Market Notice No. 111962 is cancelled at 1530 hrs 03/12/2023.

Manager NEM Real Time Operations
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