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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: 18/05/2024 02:20 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
Cancellation of a Non-Credible Contingency Event: Bannaby - Mt Piper 5A6 500kV line and Bannaby - Mt Piper 5A7 500kV line in NSW1 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: NSW1
Lines: Bannaby - Mt Piper 5A6 500kV and Bannaby - Mt Piper 5A7 500kV
Cancellation time: 18/05/2024 01:34
Constraint set(s) revoked:
N-5A6+5A7_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
VIC1-NSW1
Refer AEMO Electricity Market Notice 116661
Auto-generated on behalf of Manager NEM Real Time 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: 18/05/2024 00:33 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
STPASA - Update of the Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 20/05/2024
The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 116657 has been updated at 2100 hrs 17/05/2024 to the following:
[1.] From 0530 hrs 20/05/2024 to 0830 hrs 20/05/2024.
The forecast capacity reserve requirement is 1238 MW.
The minimum capacity reserve available is 730 MW.
[2.] From 1600 hrs 20/05/2024 to 2000 hrs 20/05/2024.
The forecast capacity reserve requirement is 1228 MW.
The minimum capacity reserve available is 538 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.
AEMO Operations
STPASA - Update of the Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 19/05/2024
The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 116658 has been updated at 2100 hrs 17/05/2024 to the following:
[1.] From 1700 hrs 19/05/2024 to 2230 hrs 19/05/2024.
The forecast capacity reserve requirement is 1114 MW.
The minimum capacity reserve available is 971 MW.
[2.] From 2330 hrs 19/05/2024 to 0000 hrs 20/05/2024.
The forecast capacity reserve requirement is 1147 MW.
The minimum capacity reserve available is 1145 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.
AEMO Operations
STPASA - Update of the Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 19/05/2024
The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 116654 has been updated at 2000 hrs 17/05/2024 to the following:
From 1700 hrs 19/05/2024 to 1900 hrs 19/05/2024.
The forecast capacity reserve requirement is 1190 MW.
The minimum capacity reserve available is 1164 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.
AEMO Operations
STPASA - Update of the Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 20/05/2024
The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 116642 has been updated at 2000 hrs 17/05/2024 to the following:
[1.] From 0600 hrs 20/05/2024 to 0830 hrs 20/05/2024.
The forecast capacity reserve requirement is 1162 MW.
The minimum capacity reserve available is 730 MW.
[2.] From 1600 hrs 20/05/2024 to 1900 hrs 20/05/2024.
The forecast capacity reserve requirement is 1164 MW.
The minimum capacity reserve available is 548 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.
AEMO Operations
STPASA - Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 19/05/2024
AEMO declares a Forecast LOR2 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following periods:
From 1630 hrs to 2200 hrs 19/05/2024.
The forecast capacity reserve requirement is 1204 MW.
The minimum capacity reserve available is 1168 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.
AEMO Operations
CHG0089703 | Production | Planned System Maintenance activity.
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: EMS NEM - Network Outage Scheduler (NOS)
Change Title: Planned System Maintenance activity.
Change Start Date & Time: 22/05/2024 11:00:00 AEST
Change End Date & Time: 22/05/2024 11:30:00 AEST
Outage Start Date & Time: 22/05/2024 11:00:00 AEST
Outage End Date & Time: 22/05/2024 11:30:00 AEST
Environment: Production
Participant Impact and Requirements: Network Outage Schedular (NOS) will be out of service during the maintenance activity. Please log off from NOS website during the outage. Users will have to log back in once the outage is completed. Please contact your NOS admin or AEMO support hub if your NOS account has been locked out after this change.
Support Information:
Report any impacts to the AEMO Information and Support Hub or call 1300 236 600.
Please refer to https://aemo.service-now.com/participantportal?id=pp_services_status for any
planned/unplanned maintenance activities .