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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: 18/10/2024 12:16 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
CHG0099243 | Pre-Production | Maintenance activities to be performed on the Declared Wholesale Gas Market Systems Pre-Production
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Declared Wholesale Gas Market (DWGM)
Change Title: Maintenance activities to be performed on the Declared Wholesale Gas Market Systems Pre-Production.
Change Start Date & Time: 23/10/2024 07:00:23 AEST
Change End Date & Time: 23/10/2024 17:30:33 AEST
Outage Start Date & Time: 23/10/2024 08:00:00 AEST
Outage End Date & Time: 23/10/2024 12:30:00 AEST
Environment: Pre-Production
Participant Impact and Requirements: This is a regular procedure to allow routine maintenance. short service outages over the day for DWGM services, includiing MIBB and Web Exchanger.
Pre-Production Declared Wholesale Gas Market Systems (DWGM)
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 .
NON-CONFORMANCE Region VIC1 Friday, 18 October 2024
NON-CONFORMANCE VIC1 Region Friday, 18 October 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: BULBES1
Duration: 18/10/2024 11:05 to 18/10/2024 11:25
Amount: 20 MW
Constraint: NC-V_BULBES1
Auto-generated on behalf of Manager NEM Real Time Operations
PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 18/10/2024
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the QLD region for the following Period:
[1.] From 1730 hrs 18/10/2024 to 1830 hrs 18/10/2024.
The forecast capacity reserve requirement is 1190 MW.
The minimum capacity reserve available is 1091 MW.
Manager NEM Real Time Operations
CHG0098658 | Completed | Production | Planned System Maintenance - Declared Wholesale Gas Market (DWGM)
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: DWGM - Web Exchanger
Change Title: Planned System Maintenance - Declared Wholesale Gas Market (DWGM)
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
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.
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: 18/10/2024 06:09
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 119016
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: 18/10/2024 05:05 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
Cancellation of the reclassification of a Non-Credible Contingency Event: Para-Templers West and Magill-Torrens Island A 275kV lines in SA due to severe weather warning.
Cancellation of the reclassification of a non-credible contingency event as a credible contingency event due to severe weather warning.
AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any severe weather warning in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.
Region: SA
Lines: Para-Templers West and Magill-Torrens Island A 275kV lines
Cancellation time: 2230 hrs 17/10/2024
Constraint set(s) revoked: Nil
Refer AEMO Electricity Market Notice 119000
Manager NEM Real Time Operations
Cancellation of the reclassification of a Non-Credible Contingency Event: Brinkworth-Davenport, Brinkworth-Templers West and Para-Templers West 275kV lines in SA due to severe weather warning .
Cancellation of the reclassification of a non-credible contingency event as a credible contingency event due to severe weather warning.
AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any severe weather warning in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.
Region: SA
Lines: Brinkworth-Davenport, Brinkworth-Templers West and Para-Templers West 275kV lines
Cancellation time: 2230 hrs 17/10/2024
Constraint set(s) revoked: Nil
Refer AEMO Electricity Market Notice 118937
Manager NEM Real Time Operations