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117495RECLASSIFY CONTINGENCY27/07/2024 07:24:40 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: 27/07/2024 19:24
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 117494
Auto-generated on behalf of Manager NEM Real Time Operations
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: 27/07/2024 19:24
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 117494
Auto-generated on behalf of Manager NEM Real Time Operations
117494RECLASSIFY CONTINGENCY27/07/2024 04:20:23 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: 27/07/2024 16:20 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
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: 27/07/2024 16:20 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
117493RESERVE NOTICE27/07/2024 02:40:49 PM
STPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the TAS Region on 31/07/2024
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR1 condition in the TAS region advised in AEMO Electricity Market Notice No. 117443 has been updated at 1400 hrs 27/07/2024 to the following:
From 0800 hrs 31/07/2024 to 0930 hrs 31/07/2024.
The forecast capacity reserve requirement is 557 MW.
The minimum capacity reserve available is 485 MW.
AEMO Operations
The Forecast LOR1 condition in the TAS region advised in AEMO Electricity Market Notice No. 117443 has been updated at 1400 hrs 27/07/2024 to the following:
From 0800 hrs 31/07/2024 to 0930 hrs 31/07/2024.
The forecast capacity reserve requirement is 557 MW.
The minimum capacity reserve available is 485 MW.
AEMO Operations
117492RESERVE NOTICE27/07/2024 02:39:39 PM
STPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the TAS Region on 30/07/2024
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR1 condition in the TAS region advised in AEMO Electricity Market Notice No. 117468 has been updated at 1400 hrs 27/07/2024 to the following:
From 0730 hrs 30/07/2024 to 0930 hrs 30/07/2024.
The forecast capacity reserve requirement is 557 MW.
The minimum capacity reserve available is 501 MW.
AEMO Operations
The Forecast LOR1 condition in the TAS region advised in AEMO Electricity Market Notice No. 117468 has been updated at 1400 hrs 27/07/2024 to the following:
From 0730 hrs 30/07/2024 to 0930 hrs 30/07/2024.
The forecast capacity reserve requirement is 557 MW.
The minimum capacity reserve available is 501 MW.
AEMO Operations
117491RESERVE NOTICE27/07/2024 02:38:27 PM
STPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the TAS Region on 29/07/2024
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR1 condition in the TAS region advised in AEMO Electricity Market Notice No. 117467 has been updated at 1400 hrs 27/07/2024 to the following:
[1.] From 0700 hrs 29/07/2024 to 0930 hrs 29/07/2024.
The forecast capacity reserve requirement is 557 MW.
The minimum capacity reserve available is 470 MW.
[2.] From 1730 hrs 29/07/2024 to 1930 hrs 29/07/2024.
The forecast capacity reserve requirement is 557 MW.
The minimum capacity reserve available is 534 MW.
AEMO Operations
The Forecast LOR1 condition in the TAS region advised in AEMO Electricity Market Notice No. 117467 has been updated at 1400 hrs 27/07/2024 to the following:
[1.] From 0700 hrs 29/07/2024 to 0930 hrs 29/07/2024.
The forecast capacity reserve requirement is 557 MW.
The minimum capacity reserve available is 470 MW.
[2.] From 1730 hrs 29/07/2024 to 1930 hrs 29/07/2024.
The forecast capacity reserve requirement is 557 MW.
The minimum capacity reserve available is 534 MW.
AEMO Operations
117487POWER SYSTEM EVENTS27/07/2024 10:52:18 AM
Correction - Non-credible contingency event - QLD region - 27/07/2024
AEMO ELECTRICITY MARKET NOTICE.
Correction to Market Notice 117486
Non-credible contingency event - QLD region - 27/07/2024
At 0951 hrs the H38 Goodna No. 2 275kV Bus and the H38 Goodna No. 1 275/132kV transformer tripped.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
Correction to Market Notice 117486
Non-credible contingency event - QLD region - 27/07/2024
At 0951 hrs the H38 Goodna No. 2 275kV Bus and the H38 Goodna No. 1 275/132kV transformer tripped.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
117486POWER SYSTEM EVENTS27/07/2024 10:26:53 AM
Non-credible contingency event - QLD region - 27/07/2024
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - QLD region - 27/07/2024
At 0951 hrs the H3 Goodna No. 2 275kV Bus and the H3 Goodna No. 1 275/132kV transformer tripped.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
Non-credible contingency event - QLD region - 27/07/2024
At 0951 hrs the H3 Goodna No. 2 275kV Bus and the H3 Goodna No. 1 275/132kV transformer tripped.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
117484RECLASSIFY CONTINGENCY27/07/2024 06:14:40 AM
Cancellation 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.
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: Bayswater - Mt Piper No.5A3 500kV and Wollar - Mt Piper No.5A5 500kV
Cancellation time: 27/07/2024 06:14
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 117483
Auto-generated on behalf of Manager NEM Real Time Operations
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: Bayswater - Mt Piper No.5A3 500kV and Wollar - Mt Piper No.5A5 500kV
Cancellation time: 27/07/2024 06:14
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 117483
Auto-generated on behalf of Manager NEM Real Time Operations
117483RECLASSIFY CONTINGENCY27/07/2024 04:09:03 AM
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.
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: Bayswater - Mt Piper No.5A3 500kV and Wollar - Mt Piper No.5A5 500kV
Duration: 27/07/2024 04:08 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
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: 27/07/2024 04:08 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations