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NON-CONFORMANCE Region NSW1 Sunday, 1 December 2024
NON-CONFORMANCE NSW1 Region Sunday, 1 December 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: GOONSF1
Duration: 01/12/2024 09:55 to 01/12/2024 11:20
Amount: 35 MW
Constraint: NC-N_GOONSF1
Auto-generated on behalf of Manager NEM Real Time Operations
STPASA - Update of the Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 02/12/2024
The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 121302 has been updated at 1040 hrs 01/12/2024 to the following:
[1.] From 1630 hrs 02/12/2024 to 1700 hrs 02/12/2024.
The forecast capacity reserve requirement is 968 MW.
The minimum capacity reserve available is 732 MW.
[2.] From 1730 hrs 02/12/2024 to 1830 hrs 02/12/2024.
The forecast capacity reserve requirement is 978 MW.
The minimum capacity reserve available is 833 MW.
AEMO is seeking a market response.
AEMO Operations
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.
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: 01/12/2024 10:29 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
Reclassification of a Non-Credible Contingency Event: Bayswater - Mt Piper No.5A3 500kV line and Wollar - Mt Piper No.5A5 500kV line in NSW1 due to Lightning.
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: Bayswater - Mt Piper No.5A3 500kV and Wollar - Mt Piper No.5A5 500kV
Duration: 01/12/2024 10:23 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
STPASA - Update of the Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 02/12/2024
The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 121302 has been updated at 0900 hrs 01/12/2024 to the following:
[1.] From 1600 hrs 02/12/2024 to 1900 hrs 02/12/2024.
The forecast capacity reserve requirement is 1097 MW.
The minimum capacity reserve available is 762 MW.
AEMO is seeking a market response.
AEMO Operations
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.
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: 01/12/2024 02:54
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 121304
Auto-generated on behalf of Manager NEM Real Time Operations
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.
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: 01/12/2024 01:50 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
Cancellation of a Non-Credible Contingency Event: Guybal Munjan - Chalumbin 857 275kV line line and Guybal Munjan - Chalumbin 858 275kV line line in QLD1 due to Lightning.
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: Guybal Munjan - Chalumbin 857 275kV line and Guybal Munjan - Chalumbin 858 275kV line
Cancellation time: 30/11/2024 21:24
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 121291
Auto-generated on behalf of Manager NEM Real Time Operations
STPASA - Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 02/12/2024
AEMO declares a Forecast LOR2 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following period:
[1.] From 1700 hrs 02/12/2024 to 1730 hrs 02/12/2024.
The forecast capacity reserve requirement is 1330 MW.
The minimum capacity reserve available is 1071 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.
Manager NEM Real Time Operations