Filter by:
Filter by category
Filter by Date
From
To
117210POWER SYSTEM EVENTS27/06/2024 09:01:59 AM
Non-credible contingency event - NSW region - 27/06/2024
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - NSW region - 27/06/2024
At 0845 hrs the Sydney West No.1 330 kV SVC tripped during switching for planned outage of Sydney West No.4 330/132 kV transformer.
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 - NSW region - 27/06/2024
At 0845 hrs the Sydney West No.1 330 kV SVC tripped during switching for planned outage of Sydney West No.4 330/132 kV transformer.
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
117209RECLASSIFY CONTINGENCY27/06/2024 08:17:30 AM
Reclassification of a Non-Credible Contingency Event: Farrell-John Butters line and Farrell-Rosebery-Newton-Queenstown line in TAS1 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: TAS1
Lines: Farrell-John Butters and Farrell-Rosebery-Newton-Queenstown
Duration: 27/06/2024 08:17 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: TAS1
Lines: Farrell-John Butters and Farrell-Rosebery-Newton-Queenstown
Duration: 27/06/2024 08:17 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
117203RESERVE NOTICE26/06/2024 03:32:26 PM
STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 03/07/2024
AEMO ELECTRICITY MARKET NOTICE
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following periods:
1. From 0800 hrs to 0900 hrs 03/07/2024.
The forecast capacity reserve requirement is 532 MW.
The minimum capacity reserve available is 505 MW.
2. From 1730 hrs to 2030 hrs 03/07/2024.
The forecast capacity reserve requirement is 526 MW.
The minimum capacity reserve available is 496 MW.
AEMO Operations
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following periods:
1. From 0800 hrs to 0900 hrs 03/07/2024.
The forecast capacity reserve requirement is 532 MW.
The minimum capacity reserve available is 505 MW.
2. From 1730 hrs to 2030 hrs 03/07/2024.
The forecast capacity reserve requirement is 526 MW.
The minimum capacity reserve available is 496 MW.
AEMO Operations
117202RESERVE NOTICE26/06/2024 03:31:30 PM
STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 02/07/2024
AEMO ELECTRICITY MARKET NOTICE
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following periods:
1. From 0800 hrs to 0900 hrs 02/07/2024.
The forecast capacity reserve requirement is 536 MW.
The minimum capacity reserve available is 454 MW.
2. From 1730 hrs to 2130 hrs 02/07/2024.
The forecast capacity reserve requirement is 546 MW.
The minimum capacity reserve available is 414 MW.
AEMO Operations
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following periods:
1. From 0800 hrs to 0900 hrs 02/07/2024.
The forecast capacity reserve requirement is 536 MW.
The minimum capacity reserve available is 454 MW.
2. From 1730 hrs to 2130 hrs 02/07/2024.
The forecast capacity reserve requirement is 546 MW.
The minimum capacity reserve available is 414 MW.
AEMO Operations
117201RESERVE NOTICE26/06/2024 03:30:07 PM
STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 01/07/2024
AEMO ELECTRICITY MARKET NOTICE
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following period:
From 1800 hrs to 2130 hrs 01/07/2024.
The forecast capacity reserve requirement is 514 MW.
The minimum capacity reserve available is 467 MW.
AEMO Operations
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following period:
From 1800 hrs to 2130 hrs 01/07/2024.
The forecast capacity reserve requirement is 514 MW.
The minimum capacity reserve available is 467 MW.
AEMO Operations
117199RECLASSIFY CONTINGENCY26/06/2024 12:39:05 PM
Cancellation of a Non-Credible Contingency Event: Norwood - Scottsdale 1 110kV line and Norwood-Derby-Scottsdale 110kV line in TAS1 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: TAS1
Lines: Norwood - Scottsdale 1 110kV and Norwood-Derby-Scottsdale 110kV
Cancellation time: 26/06/2024 12:39
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 117196
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: TAS1
Lines: Norwood - Scottsdale 1 110kV and Norwood-Derby-Scottsdale 110kV
Cancellation time: 26/06/2024 12:39
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 117196
Auto-generated on behalf of Manager NEM Real Time Operations
117198RECLASSIFY CONTINGENCY26/06/2024 12:24:06 PM
Cancellation of a Non-Credible Contingency Event: Palmerston - Hadspen 3 & 4 110kV line and line in TAS1 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: TAS1
Lines: Palmerston - Hadspen 3 & 4 110kV and
Cancellation time: 26/06/2024 12:24
Constraint set(s) revoked:
T-HAPM_110_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE
Refer AEMO Electricity Market Notice 117195
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: TAS1
Lines: Palmerston - Hadspen 3 & 4 110kV and
Cancellation time: 26/06/2024 12:24
Constraint set(s) revoked:
T-HAPM_110_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE
Refer AEMO Electricity Market Notice 117195
Auto-generated on behalf of Manager NEM Real Time Operations
117197RECLASSIFY CONTINGENCY26/06/2024 09:44:41 AM
Cancellation of a Non-Credible Contingency Event: Tungatinah-Lake Echo-Waddamana 1 110kV line and Tungatinah-Waddamana 2 110kV line in TAS1 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: TAS1
Lines: Tungatinah-Lake Echo-Waddamana 1 110kV and Tungatinah-Waddamana 2 110kV
Cancellation time: 26/06/2024 09:44
Constraint set(s) revoked:
T-TUWA12_110_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE
Refer AEMO Electricity Market Notice 117194
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: TAS1
Lines: Tungatinah-Lake Echo-Waddamana 1 110kV and Tungatinah-Waddamana 2 110kV
Cancellation time: 26/06/2024 09:44
Constraint set(s) revoked:
T-TUWA12_110_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE
Refer AEMO Electricity Market Notice 117194
Auto-generated on behalf of Manager NEM Real Time Operations
117196RECLASSIFY CONTINGENCY26/06/2024 09:35:19 AM
Reclassification of a Non-Credible Contingency Event: Norwood - Scottsdale 1 110kV line and Norwood-Derby-Scottsdale 110kV line in TAS1 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: TAS1
Lines: Norwood - Scottsdale 1 110kV and Norwood-Derby-Scottsdale 110kV
Duration: 26/06/2024 09:35 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: TAS1
Lines: Norwood - Scottsdale 1 110kV and Norwood-Derby-Scottsdale 110kV
Duration: 26/06/2024 09:35 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations