Market Notices

115503RECLASSIFY CONTINGENCY05/03/2024 04:42:05 PM

Reclassification of a Non-Credible Contingency Event: Collinsville North - Proserpine No.7125 132 kV line and Collinsville North - Proserpine No.7126 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: Collinsville North - Proserpine No.7125 132 kV and Collinsville North - Proserpine No.7126 132 kV

Duration: 05/03/2024 16:42 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
115502RECLASSIFY CONTINGENCY05/03/2024 03:50:55 PM

Reclassification of a Non-Credible Contingency Event: Strathmore - Clare South No.7208 132 kV line and Strathmore - Clare South tee King Creek No.7128 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: Strathmore - Clare South No.7208 132 kV and Strathmore - Clare South tee King Creek No.7128 132 kV

Duration: 05/03/2024 15:50 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
115498RECLASSIFY CONTINGENCY05/03/2024 01:27:24 PM

Reclassification of a Non-Credible Contingency Event: Tully - Cardwell No.7389 132 kV line and Ross - Woree No. 8905 275 kV line

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: Tully - Cardwell No.7389 132 kV line and Ross - Woree No. 8905 275 kV line

Duration: 05/03/2024 13:25 until further notice

Constraint set(s) invoked: NONE


Manager NEM Real Time Operations
115497MARKET SYSTEMS05/03/2024 01:19:27 PM

CHG0086057:EMS NEM - Network Outage Scheduler (NOS)

Change Number: CHG0086057
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: 06/03/2024 11:00:00 AEST
Change End Date & Time: 06/03/2024 11:30:00 AEST
Outage Start Date & Time: 06/03/2024 11:00:00 AEST
Outage End Date & Time: 06/03/2024 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 .
115495MARKET SYSTEMS05/03/2024 07:22:00 AM

CHG0086187 | Pre-Production | Maintenance activities to be performed on the Declared Wholesale Gas Market Systems Pre-Production

Change Number: CHG0086187
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal

Service/ Component: Declared Wholesale Gas Market

Change Title: Maintenance activities to be performed on the Declared Wholesale Gas Market Systems Pre-Production.

Change Start Date & Time: 07/03/2024 07:00:40 AEST
Change End Date & Time: 07/03/2024 17:30:51 AEST
Outage Start Date & Time:
Outage End Date & Time:

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.
115494RECLASSIFY CONTINGENCY04/03/2024 08:24:50 PM

Cancellation of a Non-Credible Contingency Event: Middle Ridge No.2 275/110 kV Transformer line and Middle Ridge No.3 275/110 kV Transformer line in QLD1 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: QLD1

Lines: Middle Ridge No.2 275/110 kV Transformer and Middle Ridge No.3 275/110 kV Transformer

Cancellation time: 04/03/2024 20:24

Constraint set(s) revoked:
Q-MR_TX2_3_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE


Refer AEMO Electricity Market Notice 115477

Auto-generated on behalf of Manager NEM Real Time Operations
115493RECLASSIFY CONTINGENCY04/03/2024 07:19:50 PM

Cancellation of a Non-Credible Contingency Event: Strathmore - Clare South No.7208 132 kV line and Strathmore - Clare South tee King Creek No.7128 132 kV line in QLD1 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: QLD1

Lines: Strathmore - Clare South No.7208 132 kV and Strathmore - Clare South tee King Creek No.7128 132 kV

Cancellation time: 04/03/2024 19:19

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 115488

Auto-generated on behalf of Manager NEM Real Time Operations
115492RECLASSIFY CONTINGENCY04/03/2024 07:14:50 PM

Cancellation 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

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: QLD1

Lines: Tumoulin - Woree No.877 275 kV and Chalumbin - Turkinje No.7166 132 kV

Cancellation time: 04/03/2024 19:14

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 115486

Auto-generated on behalf of Manager NEM Real Time Operations
115491RECLASSIFY CONTINGENCY04/03/2024 07:14:50 PM

Cancellation 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

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: QLD1

Lines: Chalumbin - Turkinje No.7165 132 kV and Chalumbin - Turkinje No.7166 132 kV

Cancellation time: 04/03/2024 19:14

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 115487

Auto-generated on behalf of Manager NEM Real Time Operations
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