Filter by:
Filter by category
Filter by Date
From
To
124638RECLASSIFY CONTINGENCY13/02/2025 07:33:46 PM
Reclassification of a Non-Credible Contingency Event: Yallourn - Rowville 7 220 kV line and Yallourn - Rowville 8 220 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: Yallourn - Rowville 7 220 kV and Yallourn - Rowville 8 220 kV
Duration: 13/02/2025 19:33 until further notice
Constraint set(s) invoked:
V-ROYP78_R_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
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: Yallourn - Rowville 7 220 kV and Yallourn - Rowville 8 220 kV
Duration: 13/02/2025 19:33 until further notice
Constraint set(s) invoked:
V-ROYP78_R_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
124637RECLASSIFY CONTINGENCY13/02/2025 07:17:02 PM
Reclassification 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
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: Tungatinah-Lake Echo-Waddamana 1 110kV and Tungatinah-Waddamana 2 110kV
Duration: 13/02/2025 19:16 until further notice
Constraint set(s) invoked:
T-TUWA12_110_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
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: Tungatinah-Lake Echo-Waddamana 1 110kV and Tungatinah-Waddamana 2 110kV
Duration: 13/02/2025 19:16 until further notice
Constraint set(s) invoked:
T-TUWA12_110_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
124628RECLASSIFY CONTINGENCY13/02/2025 06:28:22 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: 13/02/2025 18:28 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: QLD1
Lines: Chalumbin - Turkinje No.7165 132 kV and Chalumbin - Turkinje No.7166 132 kV
Duration: 13/02/2025 18:28 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
124627RECLASSIFY CONTINGENCY13/02/2025 06:28:21 PM
Reclassification 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
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: Tumoulin - Woree No.877 275 kV and Chalumbin - Turkinje No.7166 132 kV
Duration: 13/02/2025 18:28 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: QLD1
Lines: Tumoulin - Woree No.877 275 kV and Chalumbin - Turkinje No.7166 132 kV
Duration: 13/02/2025 18:28 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
124622INTER-REGIONAL TRANSFER13/02/2025 05:52:57 PM
Inter-regional transfer limit variation - Greenbank 275kV SVC - QLD region - 13/02/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Greenbank 275kV SVC - QLD region - 13/02/2025
At 1738 hrs 13/02/2025 there was an unplanned outage of the Greenbank 275kV SVC.
The following constraint set(s) invoked at 1745 hrs 13/02/2025
Q-GB_VC
This constraint set(s) contains equations with the following interconnectors on the LHS.
NSW1-QLD1,N-Q-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Greenbank 275kV SVC - QLD region - 13/02/2025
At 1738 hrs 13/02/2025 there was an unplanned outage of the Greenbank 275kV SVC.
The following constraint set(s) invoked at 1745 hrs 13/02/2025
Q-GB_VC
This constraint set(s) contains equations with the following interconnectors on the LHS.
NSW1-QLD1,N-Q-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
124617INTER-REGIONAL TRANSFER13/02/2025 02:53:56 PM
Inter-regional transfer limit variation - Directlink- NSW region - 13/02/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - No.2 Leg of Directlink - NSW region - 13/02/2025
A planned outage of the No.2 Leg of Directlink in the NSW region was scheduled from 1517 hrs 30/01/2025 to 1700 hrs 20/02/2025.
The outage has been completed and the No.2 Leg of Directlink returned to service at 1312 hrs 13/02/2025
Constraint set(s) revoked: N-X_MBTE_2
Manager NEM Real Time Operations
Inter-regional transfer limit variation - No.2 Leg of Directlink - NSW region - 13/02/2025
A planned outage of the No.2 Leg of Directlink in the NSW region was scheduled from 1517 hrs 30/01/2025 to 1700 hrs 20/02/2025.
The outage has been completed and the No.2 Leg of Directlink returned to service at 1312 hrs 13/02/2025
Constraint set(s) revoked: N-X_MBTE_2
Manager NEM Real Time Operations
124615GENERAL NOTICE13/02/2025 01:55:35 PM
Fast Frequency Response Market - Removal of R1 FCAS dispatch cap from 17th February 2025
AEMO ELECTRICITY MARKET NOTICE
Following review of the operation of the Very Fast FCAS market, from 1300 hrs AEST on Monday 17th February AEMO will remove the cap on dispatch of Very Fast Raise (R1) Contingency FCAS.
No other changes to the dispatch of Very Fast FCAS or FCAS constraint equations will be made on this date.
For information on the Fast Frequency Response (FFR) initiative please visit the website at: https://www.aemo.com.au/initiatives/major-programs/fast-frequency-response
Andrew Groom
AEMO Operations
Following review of the operation of the Very Fast FCAS market, from 1300 hrs AEST on Monday 17th February AEMO will remove the cap on dispatch of Very Fast Raise (R1) Contingency FCAS.
No other changes to the dispatch of Very Fast FCAS or FCAS constraint equations will be made on this date.
For information on the Fast Frequency Response (FFR) initiative please visit the website at: https://www.aemo.com.au/initiatives/major-programs/fast-frequency-response
Andrew Groom
AEMO Operations
124586RESERVE NOTICE13/02/2025 10:47:48 AM
PDPASA - Update of the suspect Lack Of Reserve Level 2 (LOR2) condition in the QLD Region on 13/02/2025
AEMO ELECTRICITY MARKET NOTICE
The suspect LOR2 condition advised in AEMO Electricity Market Notice No. 124585 has been reviewed.
AEMO considers this forecast LOR2 condition invalid
No LOR2 condition is currently forecast for the QLD region.
Manager NEM Real Time Operation
The suspect LOR2 condition advised in AEMO Electricity Market Notice No. 124585 has been reviewed.
AEMO considers this forecast LOR2 condition invalid
No LOR2 condition is currently forecast for the QLD region.
Manager NEM Real Time Operation
124585RESERVE NOTICE13/02/2025 06:45:48 AM
PDPASA - Suspect Lack Of Reserve Level 2 (LOR2) in the QLD Region on 13/02/2025
AEMO ELECTRICITY MARKET NOTICE
AEMO considers that there is a suspect Forecast LOR2 condition for the QLD region for the following period[s]:
[1.] From 1830 hrs 13/02/2025 to 1930 hrs 13/02/2025.
The forecast capacity reserve requirement is 639 MW.
The minimum capacity reserve available is 480 MW.
AEMO is currently investigating this LOR2 forecast condition to confirm whether they are valid.
Manager NEM Real Time Operations
AEMO considers that there is a suspect Forecast LOR2 condition for the QLD region for the following period[s]:
[1.] From 1830 hrs 13/02/2025 to 1930 hrs 13/02/2025.
The forecast capacity reserve requirement is 639 MW.
The minimum capacity reserve available is 480 MW.
AEMO is currently investigating this LOR2 forecast condition to confirm whether they are valid.
Manager NEM Real Time Operations